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  • Other Sources  (1,904)
  • BIOTECHNOLOGY  (1,374)
  • Cell & Developmental Biology
  • Deutschland
  • EARTH RESOURCES AND REMOTE SENSING
  • Life Sciences (General)
  • 1970-1974  (1,904)
Collection
Source
Keywords
Years
Year
  • 1
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    Phänologie und Reife des Körnermaises in der Bundesrepublik Deutschland in Abhängigkeit von Witterung und Klima (1974)
    In:  Diss. Weihenstephan.
    Details
    Publication Date: 1974
    Description: Analyse des Klimas und der Witterung in Bezug zu den Maiserträgen des Versuchsfeldes KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Deutschland ; 1956-74 ; Ertrag ; Klima ; Korrelationsmethode ; Mais ; Niederschlag ; Temperatur
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    BIBLIOGRAPHY INKA BB
  • 2
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    Image data processing of earth resources management (1974)
    In:  CASI
    Details
    Publication Date: 2006-05-07
    Description: Various image processing and information extraction systems are described along with the design and operation of an interactive multispectral information system, IMAGE 100. Analyses of ERTS data, using IMAGE 100, over a number of U.S. sites are presented. The following analyses are included: investigations of crop inventory and management using remote sensing; and (2) land cover classification for environmental impact assessments. Results show that useful information is provided by IMAGE 100 analyses of ERTS data in digital form.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Chamber of Commerce Proc. of the 1st 1974 Technol. Transfer Conf.; p 201-218
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  • 3
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    Lunar microcosmos (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: A human habitat on the lunar surface requires energy recycling metabolites based on the utilization of vegetative plants that are good photosynthesizers. Selection criteria involve reactions to fertilization by human excrements, suitability as food for man (with or without fractionation), physiological effects of prolonged ingestion of these plants, and technical methods for returning inedible portions back into the cycle.
    Keywords: BIOTECHNOLOGY
    Type: Inhabited Space, Pt. 2 (NASA-TT-F-820); p 53-61
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  • 4
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    Data on the acoustic comfort of passengers in railroad cars and soundproofing recommendations (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Acoustic passenger comfort in railroad cars is represented by the following values: Total noise level in db, octave sound spectrum in db, and indices of intelligibility. The noise level perceived inside the car results from two components: one due to the penetration of air noise, and another due to the transmission of vibrations through solids. Measurement results show the necessity of improving bogie and bogie-body connections, intensification of soundproofing of the floor, adaption of windows with double panes, etc.
    Keywords: BIOTECHNOLOGY
    Type: The 4th Natl. Conf. on Acoustics, Vol. 1A (NASA-TT-F-15375); p 218-223
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  • 5
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    Some aspects of sound discomfort caused by streetcar traffic (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Streetcar noise was investigated on different lines and inside different types by sonometer measurements. The results showed variations of the total noise intensity between 88-97 db. In some squares with heavy traffic the total noise intensity reached 106 db. Noise intensity measurements inside different types of streetcars brought to light high values between 101-106 db, while in the case of the new silent type of streetcar the values were 86-87 db. The importance of the sound discomfort produced by streetcar traffic is emphasized, inasmuch as the noise intensity exceeds by far the values recommended by communal hygiene.
    Keywords: BIOTECHNOLOGY
    Type: The 4th Natl. Conf. on Acoustics, Vol. 1A (NASA-TT-F-15375); p 212-217
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  • 6
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    Level, peculiarities and effects of coal mine noise on pit workers (1974)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: There exists a correlation between noise intensity and spectrum and degree of hearing impairment in the different professional categories in the pit. Most affected are dross miners and drillers. In these, the first degree of hypoacusia sets in within the first five years of exposure. Deafness begins at a frequency of 4,000 Hz, but often enough (20%) at 2,000 Hz as well, progressively evolving through the classical stages if exposure to noise continues. In the coal bearing basins investigated, the noise level is, on the whole, 31.2%, but the conventional zone is not involved by more than 6.3%. Technological and medical measures are proposed for the purpose of avoiding these troubles in the future.
    Keywords: BIOTECHNOLOGY
    Type: The 4th Natl. Conf. on Acoustics, Vol. 1A (NASA-TT-F-15375); p 170-176
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  • 7
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    Application of advanced signal processing techniques to the rectification and registration of spaceborne imagery (1974)
    In:  CASI
    Details
    Publication Date: 2006-05-07
    Description: The development of an ERTS/MSS image processing system responsive to the needs of the user community is discussed. An overview of the TRW ERTS/MSS processor is presented, followed by a more detailed discussion of image processing functions satisfied by the system. The particular functions chosen for discussion are evolved from advanced signal processing techniques rooted in the areas of communication and control. These examples show how classical aerospace technology can be transferred to solve the more contemporary problems confronting the users of spaceborne imagery.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Chamber of Commerce Proc. of the 1st 1974 Technol. Transfer Conf.; p 245-255
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  • 8
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    The application of natural science data to land management decision-making (1974)
    In:  CASI
    Details
    Publication Date: 2006-05-07
    Description: A natural environmental analysis process which allows the decision maker to know the probable consequences of a decision prior to the act is developed. Emphasis is placed on the fit between the natural environment and the social, economic, and functional attributes of man's communities and the transition from nature in its present state to various forms and intensities of development. Applications of the analysis are examined. It is concluded that the analysis is a workable system for land use management.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Chamber of Commerce Proc. of the 1st 1974 Technol. Transfer Conf.; p 219-228
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  • 9
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    Comment on satellite altimeter data (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: SKYLAB mission SEASAT-B altimeter observations in combination with surface gravity measurements provide useful data on the marine geoid and expected ocean perturbations from analyses of seamount structures.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA, Washington Seasat-A Sci. Contrib.; p 38
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  • 10
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    Baring high-albedo soils by overgrazing - A hypothesized desertification mechanism (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Observations are reported of high-albedo soils denuded by overgrazing which appear bright, in high contrast to regions covered by natural vegetation. Measurements and modeling show that the denuded surfaces are cooler, when compared under sunlit conditions. This observed 'thermal depression' effect should, on theoretical grounds, result in a decreased lifting of air necessary for cloud formation and precipitation, and thus lead to regional climatic desertification.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Science; 186; Nov. 8
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  • 11
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    Oxygen utilization of the human left ventricle - An indirect method for its evaluation and clinical considerations (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: An analytical method is presented for determining the oxygen consumption rate of the intact heart working (as opposed to empty but beating) human left ventricle. Use is made of experimental recordings obtained for the chamber pressure and the associated dimensions of the LV. LV dimensions are determined by cineangiocardiography, and the chamber pressure is obtained by means of fluid-filled catheters during retrograde or transeptal catheterization. An analytical method incorporating these data is then employed for the evaluation of the LV coronary oxygen consumption in five subjects. Oxygen consumption for these subjects was also obtained by the conventional clinical method in order to evaluate the reliability of the proposed method.
    Keywords: BIOTECHNOLOGY
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  • 12
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    Angiocardiographic methods for determination of left ventricular geometry and volume (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Methods are described for calculating left ventricular (LV) dimensions and chamber volumes from radiographic films. The use of biplane films for the calculation of LV volume and volume change is based on the assumption of an ellipsoidal geometry. Calculation of LV volumes from biplane films usually overestimated known volumes in postmortem hearts regardless of the methods used for volume calculation. The reasons for this are probably best explained by the fact that a smooth-surface ellipse is used to represent the irregular cavity of the LV chamber. LV volume calculated from data in a single plane compared favorably and closely with volumes calculated from biplane films. A table of normal values of ventricular volume established by angiographic studies is presented.
    Keywords: BIOTECHNOLOGY
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  • 13
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    Cardiac mechanics: Physiological, clinical, and mathematical considerations (1974)
    In:  Other Sources
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    Publication Date: 2016-03-07
    Description: Recent studies concerning the basic physiological and biochemical principles underlying cardiac muscle contraction, methods for the assessment of cardiac function in the clinical situation, and mathematical approaches to cardiac mechanics are presented. Some of the topics covered include: cardiac ultrastructure and function in the normal and failing heart, myocardial energetics, clinical applications of angiocardiography, use of echocardiography for evaluating cardiac performance, systolic time intervals in the noninvasive assessment of left ventricular performance in man, evaluation of passive elastic stiffness for the left ventricle and isolated heart muscle, a conceptual model of myocardial infarction and cardiogenic shock, application of Huxley's sliding-filament theory to the mechanics of normal and hypertrophied cardiac muscle, and a rheological modeling of the intact left ventricle. Individual items are announced in this issue.
    Keywords: BIOTECHNOLOGY
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  • 14
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    A model of heat transfer in immersed man (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: An equation representing man's thermal balance under water is considered. The equation states that the body thermal loading from metabolic heat production and artificial heat input must be offset by respiratory and environmental heat exchange to maintain a constant body temperature. Critical body regions are affected by cold-water thermal stress. A model of the thermoregulatory system may be divided into the physical-controlled system and the dynamic controlling system. The thermal model is simulated by computer programs.
    Keywords: BIOTECHNOLOGY
    Type: Annals of Biomedical Engineering; 2; 1974
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  • 15
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    Analytic model for assessing the thermal performance of scuba divers (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: A biothermal model with a physically-controlled subsystem and a dynamically-controlled subsystem is developed to simulate the thermoregulatory system of man under immersed conditions. The model is consistent with experimental data for seminude subjects immersed to neck in cool to temperate water and for 'wet-suited' subjects immersed to neck in cold water. Equations are derived for predicting body temperatures under various dive conditions.
    Keywords: BIOTECHNOLOGY
    Type: Journal of Hydronautics; 8; July 197
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  • 16
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    Untoward effects of a sympathomimetic amine (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Presentation and discussion of a clinical report describing asymptomatic multifocal ventricular premature contractions in a professional pilot. He had been taking heavy doses of a systemic decongestant agent, pseudoephedrine, prescribed by a physician. He was taken off the medication, and over the next few days the PVCs became less frequent, then disappeared. It is pointed out that physician's instructions to pilots must be given with the realization that some airmen may follow the instructions too zealously in an attempt to remain on flying status.
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medicine; 45; May 1974
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  • 17
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    Orthostatic tolerance in dehydrated, heat-acclimated men following exercise in the heat (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medicine; 45; May 1974
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  • 18
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    Plasma volume and blood constituent shifts during +Gz acceleration after bedrest with exercise conditioning (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medicine; 45; Apr. 197
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  • 19
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    Effect of bed rest and exercise on body balance (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: A battery of 11 body balance tests was administered to 7 men before and after 14 days of bedrest. Seven men who had not undergone bed rest served as controls. During bed rest, each subject underwent daily either isotonic, isometric, or no leg exercise. The results showed that, for the bed-rested no exercise, isotonic exercise, and isometric exercise groups, 2 weeks of bed rest produces significant body balance decrements on 3, 4, and 5 of the 11 tests, respectively. Daily leg exercise did not prevent the debilitating effects of bed rest on body balance. After bed rest, balance skill was relearned rapidly so that in most tests, performance had reached prebed-rest levels by the third recovery day. These data suggest that balance impairment is not due to loss of muscular strength in the legs but, perhaps, to a bed-rest-related change in the neurally coded information to postural control centers.
    Keywords: BIOTECHNOLOGY
    Type: Journal of Applied Physiology; 36; Mar. 197
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  • 20
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    Dynamic optometer (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: A dynamic optometer that electronically records the position of the anterior surface of the human lens is described. The geometrical optics of the eye and optometer, and the scattering of light from the lens, are closely examined to determine the optimum conditions for adjustment of the instrument. The light detector and associated electronics are also considered, and the operating conditions for obtaining the best signal-to-noise ratio are determined.
    Keywords: BIOTECHNOLOGY
    Type: Optical Society of America; vol. 64
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  • 21
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    Internal tibial torsion correction study (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: A quantitative study of internal torsion in the entire tibial bone was performed by using strain gauges to measure the amount of deformation occuring at different locations. Comparison of strain measurements with physical dimensions of the bone produced the modulus of rigidity and its behavior under increased torque. Computerized analysis of the stress distribution shows that more strain occurs near the torqued ends of the bones where also most of the twisting and fracturing takes place.
    Keywords: BIOTECHNOLOGY
    Type: NASA. Goddard Space Flight Center Summer Inst. in Biomed. Eng., 1973; 23 p
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  • 22
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    Design of an automatic weight scale for an isolette (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: The design of an infant weight scale is reported that fits into an isolette without disturbing its controlled atmosphere. The scale platform uses strain gages to measure electronically deflections of cantilever beams positioned at its four corners. The weight of the infant is proportional to the sum of the output voltages produced by the gauges on each beam of the scale.
    Keywords: BIOTECHNOLOGY
    Type: NASA. Goddard Space Flight Center Summer Inst. in Biomed. Eng., 1973; 15 p
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  • 23
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    The design of an experiment for employing the hearer-feeler differentiation device, part B (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: An experimental test design is outlined to separate feelers from hearers in the evaluation of persons with varying degrees of hearing impairments. Speech envelope cues are derived from a white noise device containing filters for different frequencies that produce speech awareness thresholds.
    Keywords: BIOTECHNOLOGY
    Type: NASA. Goddard Space Flight Center Summer Inst. in Biomed. Eng., 1973; 6 p
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  • 24
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    The design of a device for hearer and feeler differentiation, part A (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: A speech modulated white noise device is reported that gives the rhythmic characteristics of a speech signal for intelligible reception by deaf persons. The signal is composed of random amplitudes and frequencies as modulated by the speech envelope characteristics of rhythm and stress. Time intensity parameters of speech are conveyed through the vibro-tactile sensation stimuli.
    Keywords: BIOTECHNOLOGY
    Type: NASA. Goddard Space Flight Center Summer Inst. in Biomed. Eng., 1973; 12 p
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  • 25
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    Surface potential profiles (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: The gathering of surface potential profiles by computerized processing of electrocardiogram data is projected. These profiles are concerned with the detail of localized potentials on the human body and are obtained by voltages plotted against electrode positions with time as the variable held constant. Sample and hold circuits are considered for processing the multiplexed signal and to digitize and code it for the tape recorder.
    Keywords: BIOTECHNOLOGY
    Type: NASA. Goddard Space Flight Center Summer Inst. in Biomed. Eng., 1973; 15 p
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  • 26
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    Surgical suite environmental control system (1974)
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    Publication Date: 2011-08-16
    Description: Theoretical and experimental work for a systems analysis approach to the problem of surgical suit exhaust systems centered on evaluation of halothane absorbing filters. An activated charcoal-alumina-charcoal combination proved to be the best filter for eliminating halothane through multilayer absorption of gas molecules.
    Keywords: BIOTECHNOLOGY
    Type: NASA. Goddard Space Flight Center Summer Inst. in Biomed. Eng., 1973; 24 p
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  • 27
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    Remote sensing and snowpack management (1974)
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    Publication Date: 2011-08-16
    Description: The present work describes the use of an airborne electromagnetic sensing system for measuring snowpack depth, density, and water content. A transmitter sends a sequence of pulses of stepped frequencies, and the reflections are measured by a sensitive receiver. The combination of the snowpack and the earth interacts with the electromagnetic wave so as to modify the characteristics of the reflected signals. The variation of the reflected intensity with frequency provides the desired data. A theoretical analysis of return signal and snowpack parameter relationships is given, and the results of experimental verification of the theory are discussed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: American Water Works Association; vol. 66
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  • 28
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    Wheat - Its growth and disease severity as deduced from ERTS-1 (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: The spectral reflectance of a cropped surface changes as the plant develops. An indicator of crop growth is leaf area index (ratio of green leaf area to soil area). The leaf area index, disease severity, and yield were determined for several winter wheat fields in Kansas during the 1973 growing season. Multispectral scanner (MSS) data from Earth Resources Technology Satellite-1 (ERTS-1) showed a high correlation (r greater than or equal to 0.90) between crop growth and MSS4/MSS5, and crop growth and MSS5/MSS6. Wheat disease severity and yields were significantly correlated at the 5% level with MSS4/MSS6 and with MSS4/MSS7. Further investigation is required before ERTS imagery can be routinely used detecting and estimating disease severity and yield reduction.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Remote Sensing of Environment; 3; 4, 19; 1974
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  • 29
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    Microwave maps of the polar ice of the earth (1974)
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    Publication Date: 2011-08-16
    Description: Synoptic views of the entire polar regions of earth have been obtained free of the usual persistent cloud cover using a scanning microwave radiometer operating at a wavelength of 1.55 cm on board the Nimbus-5 satellite. Three different views at each pole are presented utilizing data obtained at approximately one-month intervals from December 1972 to February 1973. Large discrepancies exist between the long-term ice cover depicted in various atlases and the actual extent of the canopies. The distribution of multiyear ice in the north polar region is markedly different from that predicted by existing ice dynamics models. Irregularities in the edge of the Antarctic sea ice pack occur that have neither been observed previously nor anticipated. The brightness temperatures of the Greenland and Antarctic glaciers show interesting contours probably related to the ice and snow morphologic structure.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: American Meteorological Society; vol. 55
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  • 30
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    Contribution of space platforms to a ground and airborne remote-sensing programme over active Italian volcanoes (1974)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: ERTS-1 imagery of the volcanic areas of southern Italy was used primarily for the evaluation of space platform capabilties in the domains of regional geology, soil and rock-type classification and, more generally, to study the environment of active volcanoes. The test sites were selected and equipped primarily to monitor thermal emission, but ground truth data was also collected in other domains (reflectance of rocks, soils and vegetation). The test areas were overflown with a two channel thermal scanner, while a thermo camera was used on the ground to monitor the hot spots. The primary goal of this survey was to plot the changes in thermal emission with time in the framework of a research program for the surveillance of active volcanoes. However, another task was an evaluation of emissivity changes by comparing the outputs of the two thermal channels. These results were compared with the reflectance changes observed on multispectral ERTS-1 imagery.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: ESRO European Earth-Resources Satellite Expts.; p 185-197
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  • 31
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    Infrared remote sounding (1974)
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    Publication Date: 2011-08-16
    Description: Atmospheric radiation was measured as a function of wavelength, position, angle, and time. Radiation was determined by temperature, cloud (aerosol), composition, and surface emissivity measurements. The theory of radiative transfer is reviewed, along with retrieval methods. Instruments onboard space probes for infrared remote sounding of planetary atmospheres are also described.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Calif. Univ. Proc. of the UCLA Intern. Conf. on Radiation and Remote Probing of the Atmosphere; p 471-506
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  • 32
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    Refinement of the Goloseyev catalog point coordinates in the limb zone and determination of point coordinates on the back side of the moon (1974)
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    Publication Date: 2011-08-16
    Description: Lunar photography from Zond 6 showed half the side of the moon which is not visible from the earth, and this made it possible to construct a photogrammetric grid encompassing the entire Western Hemisphere and referenced to points of the visible side, whose coordinates were taken from the Goloseyev catalog. The problem was solved using two pictures taken from approximately 9000 km above the lunar surface. The photogrammetric grid was constructed by joint statistical analysis of the measurements of both pictures and the selenographic coordinates of the catalog points. A special algorithm was developed and a program compiled realizing the maximum likelihood method which permitted working with up to 120 catalog points simultaneously.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 257-272
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  • 33
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    Determination of selenographic coordinates of lunar surface points from single pictures obtained from Zond 6 (1974)
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    Publication Date: 2011-08-16
    Description: Pictures of the lunar surface with an image of practically the entire lunar limb were obtained from the Zond 6 spacecraft. During the time of exposure, the entire lunar surface covered by these photographs was illuminated by the sun. Such single pictures were used to find the external orientation elements and selenographic coordinates of the photographed lunar surface points. The selenographic coordinate system was specified by the Goloseyev catalog and was realized by points of this catalog identified on the pictures and termed reference points. Craters located on the invisible side of the moon and also other points of the Goloseyev catalog, which could be used as control points, were taken as the points being determined. The technique used to compute the selenographic coordinates of the points is outlined.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 272-282
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  • 34
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    Determination of dynamic corrections to point coordinates of photographs obtained by the Zond 6 and Zond 8 spacecraft (1974)
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    Publication Date: 2011-08-16
    Description: The linear and angular motions of the Zond 6 and Zond 8 spacecraft imaging camera during the exposure cause displacements of the optical image points. In the case of instantaneous exposure of each individual point and the nonsimultaneous exposure of the complete frame, this leads to finite geometric shifts of the points without causing blurring of the photographic image. Therefore, when measuring the resulting photographic pictures, the problem arises of reducing the picture point positions to a common instant of time. This reduction is performed by means of dynamic corrections to the measured picture point coordinates. These corrections are found by using formulas of dynamic photogrammetry. Their use with the Zond space probe photographs is described.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 245-257
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    Evaluating the accuracy of selenodesic reference grids (1974)
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    Publication Date: 2011-08-16
    Description: Estimates were made of the accuracy of reference point grids using the technique of calculating the errors from theoretical analysis. Factors taken into consideration were: telescope accuracy, number of photographs, and libration amplitude. To solve the problem, formulas were used for the relationship between the coordinates of lunar surface points and their images on the photograph.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 231-245
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    Identification characteristics of certain lunar relief forms on pictures obtained from spacecraft (1974)
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    Publication Date: 2011-08-16
    Description: This investigation was restricted to the determination of recognitional characteristics of a single type of relief form, dimple craters on the surface of maria. These craters were arbitrarily considered as closed, negative relief forms, circular in plan-view, and symmetric relative to the center. Two techniques were used to determine the shadow configuration in the craters: (1) experimental determination of the shadow edge by illuminating the models of different profile shapes with a parallel light beam; and (2) geometric construction of the shadow edge using a vertical section of the formation in the direction of the solar rays. A morphological map of the surface which includes the following factors can be compiled using the proposed identification technique: crater profile nature, crater diameter, ratio of diameter and depth, sharpness of the lip, and distribution density of the forms.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 205-215
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    Use of TV pictures obtained from weather satellites to study the geological structure of the earth (1974)
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    Publication Date: 2011-08-16
    Description: Results are presented of Soviet investigations into the use of television imagery obtained from meteorological satellites for the interpretation of tectonics, lithology, and structural properties of the earth. The area investigated encompassed the eastern part of Iran, and the western regions of Afghanistan and Pakistan. Interpretation of the features identified during the analysis was accomplished by comparing these features with physical, geographic, geological, and tectonic maps. It was concluded that television pictures of the earth from space can be used for geological and structural analysis.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 190-194
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    On the determination of certain astronomical, selenodesic, and gravitational parameters of the moon (1974)
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    Publication Date: 2011-08-16
    Description: A method was examined for joint construction of a selenocentric fundamental system which can be realized by a coordinate catalog of reference contour points uniformly positioned over the entire lunar surface, and determination of the parameters characterizing the gravitational field, rotation, and orbital motion of the moon. Characteristic of the problem formulation is the introduction of a new complex of inconometric measurements which can be made using pictures obtained from an artificial lunar satellite. The proposed method can be used to solve similar problems on any other planet for which surface images can be obtained from a spacecraft. Characteristic of the proposed technique for solving the problem is the joint statistical analysis of all forms of measurements: orbital iconometric, earth-based trajectory, and also a priori information on the parameters in question which is known from earth-based astronomical studies.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 215-231
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  • 39
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    Experience in integrated geological and geographical interpretation of space photographs obtained in the USSR (1974)
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    Publication Date: 2011-08-16
    Description: Two examples of regional interpretation of imagery acquired from satellite photographic and television systems are discussed. The imagery was taken aboard the Zond 7 and Kosmos satellites, and depicted; (1) sand and dust storm activity in the eastern Mediterranean Sea area; and (2) landscape and structural properties of territory of southwestern United States and northwestern Mexico.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 182-189
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  • 40
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    Geological and geophysical studies from space and prospects for their development (1974)
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    Publication Date: 2011-08-16
    Description: The possibilities of using images obtained by devices which detect the reflected and self-radiation of the the earth's surface and atmosphere in other parts of the spectrum, other than visible, were analyzed. Considered were: (1) infrared; (2) radiothermal; and (3) magnetic field.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 174-181
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  • 41
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    System for electronic transformation and geographic correlation of satellite television information (1974)
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    Publication Date: 2011-08-16
    Description: An electronic transformation and correlation system has been developed for the Meteor space weather system which provides transformation and scaling of the original picture, accounts for satellite flight altitude and inclinations of the optical axes of the transmitting devices, and simultaneously superposes the geographical coordinate grid on the transformed picture.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 155-164
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  • 42
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    Geographical correlation of TV and IR images obtained from weather satellites (1974)
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    Publication Date: 2011-08-16
    Description: The requirements on the accuracy of geographical correlation of TV and IR cloud cover images are determined by the objective of the analysis of the weather information contained in these images. In the operational analysis case, the correlation accuracy need not be high. Errors of several tens of kilometers in determining the location of the cloud formation contours are considered acceptable in this case. Such correlation must be provided in real image reception time. Scientific studies require accurate correlation of the cloud formation contours. The errors in determining their position should be commensurate with the imaging system resolution. The geometric aspects of developing methods and equipment for geographical correlation of television and infrared images of cloud cover taken from Meteor satellites are discussed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 146-155
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  • 43
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    Geographic correlation of television pictures obtained from weather satellites (1974)
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    Publication Date: 2011-08-16
    Description: The geographical control of satellite pictures, using the terminology of aerial photography, can be treated as the problem of analysis of a single picture with the objective of obtaining a ground contour map. Studies have shown the possibility and capability of the method of composing photographic maps from transformed television pictures. Optico-mechanical transformation solves the problem of geographical correlation for operational purposes. However, this technique does not compensate for electronic distortion, and accounts for earth sphericity only approximately. However, for certain purposes (studying ice drift), the maximum possible accuracy is required. Analytic geographical correlation methods using digital computers should be considered promising.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 143-145
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  • 44
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    Geometric distortions of autocollimation type scanners (1974)
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    Publication Date: 2011-08-16
    Description: One criterion of image quality is its geometric similarity to the control test. The ability of television, phototelevision, phototelegraphic, and other systems to transmit geometrically similar images is characterized by the geometric distortion coefficient. Linear distortions result from the inaccuracy of scanning mechanism element assembly, and distortions can be minimized during adjustment operations or may be easily compensated during image reception. Brief descriptions are given of the possible sources of nonlinear distortions which arise in these devices due to the scanning mechanism, objective distortion, or the nodding mirror.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 48-51
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  • 45
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    Geometric distortions of opticommercial panoramic television systems (1974)
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    Publication Date: 2011-08-16
    Description: One of the problems solvable by the spaceborne television system, topographical surveying, makes high demands on image quality, particularly on the geometric distortions introduced by the television camera. It is the geometric distortions which determine measurement accuracy and, consequently, the possibility of creating reliable planetary surface maps. Comparative analysis of the different television systems capable of solving the problem showed that the requirements on quality of the transmitted images are best satisfied by television cameras with opticomechanical scanning. The design of panoramic television systems and the process of image construction by the opticomechanical camera are discussed. Results indicate that panoramic television cameras have the necessary instrumental accuracy and permit determination of the direction to objects with an error practically equal to the resolution.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 51-59
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  • 46
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    Determining iconometric parameters of imaging devices using a wide-angle collimator (1974)
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    Publication Date: 2011-08-16
    Description: The problem of determining the iconometric parameters of the imaging device can be solved if the camera being calibrated is used to obtain the image of a group of reference points, the directions to which are known. In order to specify the imaging device coordinate system, it is sufficient in principle to obtain on the picture the images of three reference points which do not lie on a single straight line. Many more such points are required in order to determine the distortion corrections, and they must be distributed uniformly over the entire field of view of the camera being calibrated. Experimental studies were made using this technique to calibrate photographic and phototelevision systems. Evaluation of the results of these experiments permits recommending collimators for calibrating television and phototelevision imaging systems, and also short-focus small-format photographic cameras.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 41-47
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  • 47
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    Future development of IR thermovision weather satellite equipment (1974)
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    Publication Date: 2011-08-16
    Description: The self radiation of the surface being viewed is used for image synthesis in IR thermovision equipment. The installation of such equipment aboard weather satellites makes it possible to obtain cloud cover pictures of the earth's surface in a complete orbit, regardless of the illumination conditions, and also provides quantitative information on the underlying surface temperature and cloud top height. Such equipment is used successfully aboard the Soviet satellites of the Meteor system, and experimentally on the American satellites of the Nimbus series. With regard to surface resolution, the present-day IR weather satellite equipment is inferior to the television equipment. This is due primarily to the comparatively low detectivity of the IR detectors used. While IR equipment has several fundamental advantages in comparison with the conventional television equipment, the problem arises of determining the possibility for future development of weather satellite IR thermovision equipment. Criteria are examined for evaluating the quality of IR.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 29-41
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  • 48
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    Iconics and iconology (1974)
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    Publication Date: 2011-08-16
    Description: The term iconics covers the complex of methods and equipment for obtaining images, integrated on a common methodological basis. The concept combines such methods and equipment for obtaining images as photography, television, phototelevision, thermovision, and radar. The term iconics has been used previously, but in a narrower sense, as the name for the theory of image reproduction systems, primarily in the sense of their optimization. Iconics must include two branches; theoretical and practical. The system optimization problem then takes its place in theoretical iconics along with other problems. The term iconology has been proposed to cover the complex of image interpretation methods and equipment.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 1-20
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  • 49
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    Prospects for the development of phototelevision methods in space studies (1974)
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    Publication Date: 2011-08-16
    Description: In-space imaging of the surface of celestial bodies can be carried out by both television and photographic equipment. Television equipment of various types has the important property of being capable of transmitting imagery in real time. Frequently this is not possible because of the nature of information transmission over the spacecraft-ground communication line. The inadequate energy handling capacity of the communication lines usually requires storage of the video information aboard the spacecraft for subsequent transmission at a definite time and rate. For this purpose, the television camera can be connected with a magnetic memory, or the television imagery may be stored on photographic film. The television/photographic film system has been termed phototelevision. The choice of a system of one type or the other is dictated by several considerations, the most important of which are the size and weight characteristics, other conditions being the same (power consumption, reliability, etc.). The advantages and disadvantages of the two systems are discussed and examples are given of types of satellites on which the two types have been employed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Space Iconics (NASA-TT-F-798); p 21-28
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    Mineral resources, geological structures, and landform surveys (1974)
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    Publication Date: 2011-08-16
    Description: Since March 1973 there has been a shift in ERTS results in geology from the initial show-and-tell stage to a period in which scientific studies predominated, and now to an emphasis on effective applications having economic benefits and clearcut relevance to national needs. Many years will be spent on geological tasks resulting from ERTS alone; reconnaissance mapping in inaccessible regions, map revisions, regional or synoptic analysis of crustal fractures, assessment of dynamic surficial processes, systematic search for mineral wealth, use of sophisticated enhancement techniques, recognition of potential geologic hazards, and many more applications that still need to be defined.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Third ERTS Symp., Vol. 2; p 147-167
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    Land use and mapping (1974)
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    Publication Date: 2011-08-16
    Description: The ERTS program provides data that can be used to derive information relative to the actual use of the land resource, in a practical and timely manner. ERTS data provide coverage of total land areas, and its repetitive nature enables the detection and monitoring of changes taking place in land use. Generally, the techniques and the procedures used to extract information from ERTS data may be categorized as pertaining to either the interpretations of ERTS imagery or to the use of digital data and computer techniques. Examples are given of the use of ERTS-1 data for land use classification in: (1) New England areas; (2) Chesapeake Bay and Washington, D.C.; (3) Mississippi Gulf Coast; (4) Los Angeles, California; (5) Houston, Texas; and (6) Phoenix, Arizona.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Third ERTS Symp., Vol. 2; p 138-146
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    Water resources (1974)
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    Publication Date: 2011-08-16
    Description: ERTS-1 applications in snow and ice monitoring, surface water monitoring, including monitoring of wetland areas and flood inundated area mapping, and also watershed monitoring for runoff prediction are discussed. Results also indicate that geological features can be noted which relate to ground water. ERTS-1 data can be used successfully in operational situations by water resources management agencies.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Third ERTS Symp., Vol. 2; p 126-137
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  • 53
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    Agriculture, forestry, range resources (1974)
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    Publication Date: 2011-08-16
    Description: The necessary elements to perform global inventories of agriculture, forestry, and range resources are being brought together through the use of satellites, sensors, computers, mathematics, and phenomenology. Results of ERTS-1 applications in these areas, as well as soil mapping, are described.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Third ERTS Symp., Vol. 2; p 116-125
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    Automated strip mine and reclamation mapping from ERTS (1974)
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    Publication Date: 2011-08-16
    Description: In response to the urgent need for a faster and more economical means of generating strip mine and reclamation maps, a study was conducted to evaluate the suitability of using ERTS computer compatible tape for automatic mapping. The procedure uses computer target spectral recognition techniques as a basis for classification. The area encompassed by this investigation includes five counties in eastern Ohio that comprise nearly 7,500 square kilometers (3,000 square miles). The counties have been disrupted by coal mining since the early 1800's, and strip mining has been practiced in all of them. The environmental effects of strip mining are also discussed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 87-101
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    A review of initial investigations to utilize ERTS-1 data in determining the availability and distribution of living marine resources (1974)
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    Publication Date: 2011-08-16
    Description: The National Marine Fisheries Service has been studying the application of aerospace remote sensing to fisheries management and utilization for many years. The 15-month ERTS study began in July 1972 to: (1) determine the reliability of satellite and high altitude sensors to provide oceanographic parameters in coastal waters; (2) demonstrate the use of remotely-sensed oceanographic information to predict the distribution and abundance of adult menhaden; and (3) demonstrate the potential use of satellites for acquiring information for improving the harvest and management of fisheries resources. The study focused on a coastal area in the north-central portion of the Gulf of Mexico, including parts of Alabama, Mississippi, and Louisiana. The test area used in the final analysis was the Mississippi Sound and the area outside the barrier islands to approximately the 18-meter (10-fathom) curve.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 76-86
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    ERTS program of the US Army Corps of Engineers (1974)
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    Publication Date: 2011-08-16
    Description: The Army Corps of Engineers research and development efforts associated with the ERTS Program are confined to applications of investigation, design, construction, operation, and maintenance of water resource projects. Problems investigated covered: (1) resource inventory; (2) environmental impact; (3) pollution monitoring; (4) water circulation; (5) sediment transport; (6) data collection systems; (7) engineering; and (8) model verification. These problem areas were investigated in relation to bays, reservoirs, lakes, rivers, coasts, and regions. ERTS-1 imagery has been extremely valuable in developing techniques and is now being used in everyday applications.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 62-75
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    An evaluation of the suitability of ERTS data for the purposes of petroleum exploration (1974)
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    Publication Date: 2011-08-16
    Description: This investigation was undertaken to determine the types and amounts of information valuable to petroleum exploration that are extractable from ERTS data and to determine the cost of obtaining the information from ERTS relative to costs using traditional or conventional means. In particular, it was desirable to evaluate this new petroleum exploration tool in a geologically well-known area in order to assess its potential usefulness in an unknown area. In light of the current energy situation, it is felt that such an evaluation is important in order to best utilize technical efforts with customary exploration tools, by rapidly focusing attention on the most promising areas in order to reduce the time required to go through the exploration cycle and to maximize cost savings. The Anadarko Basin lies in western Oklahoma and the panhandle of Texas (Figure 1). It was chosen as a test site because there is a great deal of published information available on the surface and subsurface geology of the area, there are many known structures that act as traps for hydrocarbons, and it is similar to several other large epicontinental sedimentary basins.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 50-61
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    Geologic evaluation and applications of ERTS-1 imagery over Georgia (1974)
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    Publication Date: 2011-08-16
    Description: Satellite imagery and other remote sensing tools and techniques have provided a powerful tool to assist geologic research; significantly increased the mapping efficiency of field geologists; shown new lineaments associated with known shear and fault zones; delineated new structural features; provided a tool to reevaluate tectonic history; helped to locate potential ground-water sources and areas of aquifer recharge; defined areas of geologic hazards; shown areas of heavy siltation in major reservoirs; and, by close interval repetition, aided in monitoring surface mine reclamation activities and the environmental protection of the intricate marshland system. The Georgia Geological Survey has been engaged in regional mapping for the new state geologic map. ERTS-1 images enlarged to compatible mapping scales have increased field geologic mapping efficiency by at least 25%. There are a number of areas where data from ERTS-1 imagery has allowed a notably higher level of precision than has been available with any amount of field work on the ground.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 41-49
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    Environmental surveys in Alaska based upon ERTS data (1974)
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    Publication Date: 2011-08-16
    Description: Alaskan applications of ERTS data are summarized. Areas discussed are: (1) land use; (2) archaeology; (3) vegetation mapping; (4) ice reporting and mapping; (5) permafrost; (6) mineral and oil exploration; (7) geological surveys; (8) seismology; (9) geological faults and structures; (10) hydrology and water resources; (11) glaciology; (12) water circulation in Cook Inlet; and (13) fish and mammal populations.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 12-40
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    The Canadian ERTS program (1974)
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    Publication Date: 2011-08-16
    Description: Under a four-year collaborative agreement between the United States and Canada, the Canada Centre for Remote Sensing (CCRS) reads out and distributes the ERTS data of Canada. The Canadian receiving station is at Prince Albert, Saskatchewan, and covers most of Canada except for the East Coast. Production statistics on Canadian ERTS imagery, a summary of several cost benefit case histories, and recommendations for the future of the international aspects of ERTS are discussed and evaluated.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 7-11
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    Civil and scientific applications of the geoid (1974)
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    Publication Date: 2011-08-16
    Description: SEASAT-A can be used for determining the geoid to much higher accuracy on a world wide basis and in a relatively short time. Two basic objectives can be considered: (1) determination of the geoid to at least 1 meter. This accuracy will satisfy most geodetic requirements for applications purposes; and (2) determination of the geoid to better than 1-meter an oceanographic objective required for measurement of sea surface topography and sea slope, quasi-stationary departure from the geoid, ocean circulation, air and sea interaction, etc. The geodesy objective in this case will be to define a reference equipotential surface as a means by which the oceanographic requirements can be achieved.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA, Washington Seasat-A Sci. Contrib.; p 79-84
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    Microwave profiling of snowpack free-water content (1974)
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    Publication Date: 2011-08-16
    Description: A microwave system is proposed to measure the amount of liquid-phase water in a snowpack operating in the range of 1 to 10 GHz. Attenuation of the beam between source and receivers is produced by the water in the snow. The relationships of frequency, distance, and volume percent of water are calculated for an assumed detector sensitivity, together with the estimated cost of a representative system. A laboratory test is described that shows the attenuation for snow at maximum wetness at 9.35 GHz. A configuration is proposed that involves a vertical tube containing microwave and radioactive sources and another vertical tube containing microwave and gamma-ray detectors, so that density and wetness profiles are obtained simultaneously over essentially the same path.
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  • 63
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    Simple device for automatically transferring broth cultures (1974)
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    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: Applied Microbiology; 27; Mar. 197
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    A wireless respiration failure detection system (1974)
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    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: Medical and Biological Engineering; 12; May 1974
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    Light flashes observed by astronauts on Apollo 11 through Apollo 17 (1974)
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    Details
    Publication Date: 2011-08-16
    Description: The crew members on the last seven Apollo flights observed light flashes that are tentatively attributed to cosmic ray nuclei (atomic number equal to or greater than 6) penetrating the head and eyes of the observers. Analyses of the event rates for all missions has revealed an anomalously low rate for transearth coast observations with respect to translunar coast observations.
    Keywords: BIOTECHNOLOGY
    Type: Science; 183; Mar. 8
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    Application of very long baseline interferometry to Astrometry and Geodesy: effects of frequency standard instability on accuracy (1974)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The accuracy of geodetic and astrometric information obtained from very long baseline interferometry (VLBI) observations is dependent upon the stability of the frequency standard, or clock, used at each site of VLBI array. The sensitivities of two hydrogen maser frequency standards of different design to pressure, temperature, and magnetic field variations were measured; and, for one of the standards, sensitivity was found to be severe enough to degrade the information content of VLBI measurements. However, the effect on the geometric and astrometric information of such clock instabilities, with time scales of hours or greater, can be sharply reduced through the use of differencing techniques.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Its Proc. of the Sixth Ann. Precise Time and Time Interval (PTTI) Planning Meeting; p 349-359
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  • 67
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    Data resolution versus forestry classification (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E80-10189 , NASA-CR-160610
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    Land use mapping in Erie County, Pennsylvania: A pilot study (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. A pilot study was conducted to determine the feasibility of mapping land use in the Great Lakes Basin area utilizing ERTS-1 data. Small streams were clearly defined by the presence of trees along their length in predominantly agricultural country. Field patterns were easily differentiated from forested areas; dairy and beef farms were differentiated from other farmlands, but no attempt was made to identify crops. Large railroad lines and major highway systems were identified. The city of Erie and several smaller towns were identified, as well as residential areas between these towns, and docks along the shoreline in Erie. Marshes, forests, and beaches within Presque Isle State Park were correctly identified, using the DCLUS program. Bay water was differentiated from lake water, with a small amount of misclassification.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10401 , NASA-CR-143394 , ORSER-SSEL-TR-24-74
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    TERSSE: Definition of the Total Earth Resources System for the Shuttle Era. Volume 5: Detailed system requirements: Two case studies (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Major resource management missions to be performed by the TERSSE are examined in order to develop an understanding of the form and function of a system designed to perform an operational mission. Factors discussed include: resource manager (user) functions, methods of performing their function, the information flows and information requirements embodied in their function, and the characteristics of the observation system which assists in the management of the resource involved. The missions selected for study are: world crop survey and land resources management. These missions are found to represent opposite ends of the TERSSE spectrum and to support the conclusion that different missions require different systems and must be analyzed in detail to permit proper system development decisions.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-141771
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    Skylab 4 photographic index and scene identification (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A quick reference guide to the photographic imagery obtained on Skylab 4 is presented. Place names and descriptors used give sufficient information to identify frames for discussion purposes and are not intended to be used for ground nadir or geographic coverage purposes.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-72440 , JL12-603
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  • 71
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    Power spectral density analysis of the electromyogram from a work task performed in a full pressure suit (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Surface electromyograms (EMG) taken from three upper torso muscles during a push-pull task were analyzed by a power spectral density technique to determine the utility of the spectral analysis for identifying changes in the EMG caused by muscular fatigue. The results confirmed the value of the frequency analysis for identifying fatigue producing muscular performance. Data revealed reliable differences between muscles in fatigue induced responses to various locations in the reach envelope at which the subjects were required to perform the push-pull exercise, and the differential sensitivity of individual muscles to the various reach positions; i.e., certain reach positions imposed more fatigue related shifts in EMG power than did others. It was found that a pressurized space suit changed the pattern of normal shirtsleeve muscle fatigue responses in all three of the muscles.
    Keywords: BIOTECHNOLOGY
    Type: NASA-TM-X-58136 , JSC-09004
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  • 72
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    Robot arm dynamics and control (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Variations in total inertia and gravity loads at the joint outputs are treated along with the relative importance of gravity and acceleration-generated reaction torques or forces versus inertia torques or forces. The relation between the dynamical state equations in explicit terms and servoing the manipulator is briefly discussed in the framework of state variable feedback control which also forms the basis of adaptive manipulator control. Exact state equations were determined for total inertia and gravity loads at the joint outputs as a function of joint variables, using the constant inertial and geometric parameters of the individual links defined in the respective link coordinate frames. The range of maximum variations in total inertia and gravity loads at the joint outputs was calculated for both no load and load in the hand. The main result is the construction of a set of greatly simplified state equations which describe the total inertia and gravity load variations at the output of the six joints with an average error of less than 5%.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-136935 , JPL-TM-33-669
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    Design development and test: Two-gas atmosphere control subsystem (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An atmosphere control subsystem (ACS) was developed for NASA-IBJSC which is designed to measure the major atmospheric constituents in the manned cabin of the space shuttle orbiter and control the addition of oxygen and nitrogen to maintain the partial pressures of these gases within very close limits. The ACS includes a mass spectrometer sensor (MSS) which analyzes the atmosphere of a shuttle vehicle pressurized cabin, and an electronic control assembly (ECA). The MSS was built and tested to meet the requirements for flight equipment for the M-171 Metabolic Analyzer experiment for the Skylab flight program. The instrument analyzes an atmospheric gas sample and produces continuous 0-5 vdc analog signals proportional to the partial pressures of H2, O2, N2, H2O, CO2 and total hydrocarbons having a m/e ratio between 50 and 120. It accepts signals from the MSS proportional to the partial pressures of N2 and O2 and controls the supply of these gases to the closed cabin.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-134190 , MDC-G4971
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  • 74
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    Development and fabrication of heat-sterilizable inhalation therapy equipment (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The development of a completely heat sterilizable intermittent positive pressure breathing (IPPB) ventilator in an effort to reduce the number of hospital acquired infections is reported. After appropriate changes in materials and design were made, six prototype units were fabricated and were successfully field tested in local hospitals. Most components of the modified ventilators are compatible with existing machines. In all but a few instances, such as installation of bacteria-retentive filters and a modified venturi, the change over from non-heat-sterilizable to sterilizable units was accomplished by replacement of heat labile materials with heat stable materials.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-136832 , JPL-TM-33-670
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  • 75
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    Mapping of the major structures of the African rift system (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10215 , NASA-CR-142401
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  • 76
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    Study to demonstrate the feasibility of and determine the optimum method for remote haze monitoring by satellite (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10226 , NASA-CR-142412
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  • 77
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    Application of ERTS-1 imagery to land use, forest density and soil investigations (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10222 , NASA-CR-142408
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  • 78
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    Correlation of ocean truth data with ERTS-1 imagery: California coastal sites in Monterey Bay, Santa Barbara Channel, and Santa Monica Bay (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10220 , NASA-CR-142406
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  • 79
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    Investigations using data in Alabama from ERTS-A, volume 3 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10225 , NASA-CR-142409
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    Investigations using data in Alabama from ERTS-A, volume 1 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10223 , NASA-CR-142411
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    The effects of soil moisture and plant morphology on the radar backscatter from vegetation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The results of experimental studies on the backscattering properties of corn, milo, soybeans and alfalfa are presented. The measurements were made during the summer of 1973 over the 8 to 18 GHz frequency band. The data indicate that soil moisture estimation is best accomplished at incidence angles near nadir with lower frequencies, while crop discrimination is best accomplished using two frequencies at incidence angles ranging from 30 deg to 65 deg. It is also shown that temporal plant morphology variations can cause extreme variations in the values of the scattering coefficients. These morphological changes can be caused by growth, heavy rain and in the case of alfalfa, harvesting.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-141684 , RSL-TR-177-51
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    Nineteen hundred seventy three significant accomplishments (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Data collected by the Skylab remote sensing satellites was used to develop applications techniques and to combine automatic data classification with statistical clustering methods. Continuing research was concentrated in the correlation and registration of data products and in the definition of the atmospheric effects on remote sensing. The causes of errors encountered in the automated classification of agricultural data are identified. Other applications in forestry, geography, environmental geology, and land use are discussed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-66863 , JSC-09244
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    Meteorological data collection via ERTS-A data retransmission facilities (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. Two meteorological data acquisition systems were built to support hydrometeorological programs related to flow forecasting. Data errors were detected in the stream level formation; these errors were caused by sensor difficulties.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10293 , NASA-CR-142837
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    The economic value of remote sensing of earth resources from space: An ERTS overview and the value of continuity of service. Volume 7: Nonreplenishable natural resources: Minerals, fossil fuels and geothermal energy sources (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The application of remotely-sensed information to the mineral, fossil fuel, and geothermal energy extraction industry is investigated. Public and private cost savings are documented in geologic mapping activities. Benefits and capabilities accruing to the ERS system are assessed. It is shown that remote sensing aids in resource extraction, as well as the monitoring of several dynamic phenomena, including disturbed lands, reclamation, erosion, glaciation, and volcanic and seismic activity.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-141264 , REPT-74-2002-10-VOL-7
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  • 85
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    The economic value of remote sensing of earth resources from space: An ERTS overview and the value of continuity of service. Volume 4: Forestry, wildlife and rangeland (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The economic value of ERS information in the resource management area of extensive use of living resources, forestry, wildlife, and rangeland, is determined. Timber and forage resources are quantitatively evaluated. It is shown that these resources have economic value in the tens of billions of dollars, but the economic benefits of improved management of the forests and rangelands are not limited to efficiency in the production of these commercial resources. Multiple-use values including watershed, wildlife, and recreation are also involved.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-141263 , REPT-74-2002-10-VOL-4
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  • 86
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    The economic value of remote sensing of earth resources from space: An ERTS overview and the value of continuity of service. Volume 3: Intensive use of living resources: Agriculture. Part 1: Overview (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Potential economic benefits obtainable from a state-of-the-art ERS system in the resource area of intensive use of living resources, agriculture, are studied. A spectrum of equal capability (cost saving), increased capability, and new capability benefits are quantified. These benefits are estimated via ECON developed models of the agricultural marketplace and include benefits of improved production and distribution of agricultural crops. It is shown that increased capability benefits and new capability benefits result from a reduction of losses due to disease and insect infestation given ERS's capability to distinguish crop vigor and from the improvement in world trade negotiations given ERS's worldwide surveying capability.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-141265 , REPT-74-2002-10-VOL-3-PT-1
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  • 87
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    Telemetry of left ventricular diameter and pressure measurements from unrestrained animals (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: BIOTECHNOLOGY
    Type: Journal of Applied Physiology; 37; Aug. 197
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  • 88
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    Tracking with head position using an electrooptical monitor (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: An electrooptical head-position monitoring system was designed and built and is used in single-axis and three-axis 'hands-off' control tasks. The monitor consists of a transparent plexiglass body-fixed helmet provided with a set of eight silicon photodetectors sensing pitch, roll, and yaw motions of the head. Two light-emitting diodes, attached to the pilot's helmet liner, provide the ac modulated near infrared radiation. Head control is compared with conventional manual control for single-axis and three-axis tracking tasks. Both performance curves and describing functions are presented.
    Keywords: BIOTECHNOLOGY
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    Development of a Korotkov sound processor for automatic identification of auscultatory events. I - Specification of preprocessing bandpass filters (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Frequency bands that best discriminate the Korotkov sounds at systole and at diastole from the sounds immediately preceding these events are defined. Korotkov sound data were recorded from five normotensive subjects during orthostatic stress (lower body negative pressure) and bicycle ergometry. A spectral analysis of the seven Korotkov sounds centered about the systolic and diastolic auscultatory events revealed that a maximum increase in amplitude at the systolic transition occurred in the 18-26-Hz band, while a maximum decrease in amplitude at the diastolic transition occurred in the 40-60-Hz band. These findings were remarkably consistent across subjects and test conditions. These passbands are included in the design specifications for an automatic blood pressure measuring system used in conjuction with medical experiments during NASA's Skylab program.
    Keywords: BIOTECHNOLOGY
    Type: IEEE Transactions on Biomedical Engineering; BME-21; Mar. 197
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  • 90
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    Development of a Korotkov sound processor for automatic identification of auscultatory events. II - Decision logic specifications and operational verification (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: BIOTECHNOLOGY
    Type: IEEE Transactions on Biomedical Engineering; BME-21; Mar. 197
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  • 91
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    Membrane water deaerator investigation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The purpose of the membrane water deaerator program was to develop data on a breadboard hollow fiber membrane unit that removes both dissolved and evolved gas from a water transfer system in order to: (1) assure a hard fill of the EVLSS expendable water tank; (2) prevent flow blockage by gas bubbles in circulating systems; and (3) prevent pump cavitation.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-140259 , AIRESEARCH-74-10072
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  • 92
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    Space shuttle/food system study. Volume 2, appendix E: Alternate flight systems analysis (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The functional requirements of stowage, preparation, serving, consumption, and cleanup were applied to each of the five food mixes selected for study in terms of the overall design of the space shuttle food system. The analysis led to a definition of performance requirements for each food mix, along with a definition of equipment to meet those requirements. Weight and volume data for all five systems, in terms of food and packaging, support equipment, and galley installation penalties, are presented.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-134377
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    Preliminary flight prototype waste collection subsystem (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The zero gravity test program demonstrated the feasibility and practicability of collecting urine from both male and female crew members in a zero gravity environment in an earthlike manner not requiring any manual handling of urine containers. In addition, the testing demonstrated that a seat which is comfortable in both regimes of operation could be designed for use on the ground and in zero-gravity. Further, the tests showed that the vortex liquid/air separator is an effective liquid/air separation method in zero gravity. Visual observations indicate essentially zero liquid carry over. The system also demonstrated its ability to handle post elimination wipes without difficulty. The designs utilized in the WCS were verified as acceptable for usage in the space shuttle or other space vehicles.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-104240 , SVHSER-6509
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  • 94
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    Space shuttle food system study. Volume 1: System design report (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Data were assembled which define the optimum food system to support the space shuttle program, and which provide sufficient engineering data to support necessary requests for proposals towards final development and installment of the system. The study approach used is outlined, along with technical data and sketches for each functional area. Logistic support analysis, system assurance, and recommendations and conclusions based on the study results are also presented.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-134374
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  • 95
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    Corrosion control and disinfection studies in spacecraft water systems (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Disinfection and corrosion control in the water systems of the Saturn 5 Orbital Workshop Program are considered. Within this framework, the problem areas of concern are classified into four general areas: disinfection; corrosion; membrane-associated problems of disinfectant uptake and diffusion; and taste and odor problems arising from membrane-disinfectant interaction.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-140197
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  • 96
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    Role of man in flight experiment payloads, phase 1 (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The identification of required data for studies of Spacelab experiment functional allocation, the development of an approach to collecting these data from the payload community, and the specification of analytical methods necessary to quantitatively determine the role of man in specific Spacelab experiments are presented. A generalized Spacelab experiment operation sequence was developed, and the parameters necessary to describe each signle function in the sequence were identified. A set of functional descriptor worksheets were also drawn up. The methodological approach to defining the role of man was defined as a series of trade studies using a digial simulation technique. The tradeoff variables identified include scientific crew size, skill mix, and location. An existing digital simulation program suitable for the required analyses was identified and obtained.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-120398
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  • 97
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    Earth orbital teleoperator system man-machine interface evaluation (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The teleoperator system man-machine interface evaluation develops and implements a program to determine human performance requirements in teleoperator systems.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-139598 , H-4-1
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  • 98
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    Firefighter's compressed air breathing system pressure vessel development program (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The research to design, fabricate, test, and deliver a pressure vessel for the main component in an improved high-performance firefighter's breathing system is reported. The principal physical and performance characteristics of the vessel which were required are: (1) maximum weight of 9.0 lb; (2) maximum operating pressure of 4500 psig (charge pressure of 4000 psig); (3) minimum contained volume of 280 in. 3; (4) proof pressure of 6750 psig; (5) minimum burst pressure of 9000 psig following operational and service life; and (6) a minimum service life of 15 years. The vessel developed to fulfill the requirements described was completely sucessful, i.e., every category of performence was satisfied. The average weight of the vessel was found to be about 8.3 lb, well below the 9.0 lb specification requirement.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-134384 , MCR-73-214
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  • 99
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    Space shuttle/food system study. Volume 2, Appendix G: Ground support system analysis. Appendix H: Galley functional details analysis (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The capabilities for preflight feeding of flight personnel and the supply and control of the space shuttle flight food system were investigated to determine ground support requirements; and the functional details of an onboard food system galley are shown in photographic mockups. The elements which were identified as necessary to the efficient accomplishment of ground support functions include the following: (1) administration; (2) dietetics; (3) analytical laboratories; (4) flight food warehouse; (5) stowage module assembly area; (6) launch site module storage area; (7) alert crew restaurant and disperse crew galleys; (8) ground food warehouse; (9) manufacturing facilities; (10) transport; and (11) computer support. Each element is discussed according to the design criteria of minimum cost, maximum flexibility, reliability, and efficiency consistent with space shuttle requirements. The galley mockup overview illustrates the initial operation configuration, food stowage locations, meal assembly and serving trays, meal preparation configuration, serving, trash management, and the logistics of handling and cleanup equipment.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-134379
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    Space shuttle/food system study. Volume 2, Appendix F: Flight food and primary packaging (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The analysis and selection of food items and primary packaging, the development of menus, the nutritional analysis of diet, and the analyses of alternate food mixes and contingency foods is reported in terms of the overall food system design for space shuttle flight. Stowage weights and cubic volumes associated with each alternate mix were also evaluated.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-134378
    Format: application/pdf
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