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  • Other Sources  (727)
  • BIOSCIENCES  (727)
  • 2015-2019
  • 1970-1974  (724)
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  • 2015
  • 1973  (307)
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  • 2015-2019
  • 1970-1974  (724)
  • 1955-1959  (3)
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  • 1
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    Auditory system (1973)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: The physical correlations of hearing, i.e. the acoustic stimuli, are reported. The auditory system, consisting of external ear, middle ear, inner ear, organ of Corti, basilar membrane, hair cells, inner hair cells, outer hair cells, innervation of hair cells, and transducer mechanisms, is discussed. Both conductive and sensorineural hearing losses are also examined.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 667-691
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  • 2
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    Toxicology (1973)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: Oxygen toxicity is examined, including the effects of oxygen partial pressure variations on toxicity and oxygen effects on ozone and nitrogen dioxide toxicity. Toxicity of fuels and oxidizers, such as hydrazines, are reported. Carbon monoxide, spacecraft threshold limit values, emergency exposure limits, spacecraft contaminants, and water quality standards for space missions are briefly summarized.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 455-487
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  • 3
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    Toxicology of spacecraft materials (1971)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: The procedures for determining the toxicity of products outgassed from spacecraft structures are discussed. The test equipment involved in the tests and the criteria for acceptability are described. The use of animals as the final step in determining toxicity of a spacecraft environment is explained.
    Keywords: BIOSCIENCES
    Type: Conf. on Mater. for Improved Fire Safety; p 207-210
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  • 4
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    The vestibular system (1973)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: The end organs, central nervous system connections, and static and dynamic characteristics of the vestibular system are presented. Vestibular servation in man and vestibular side effect prevention from space missions involving artificial gravity generation are also considered. Vestibular models and design criteria for rotating space vehicles are appended.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 533-609
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  • 5
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    Vision (1973)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: Some data on human vision, important in present and projected space activities, are presented. Visual environment and performance and structure of the visual system are also considered. Visual perception during stress is included.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 611-665
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  • 6
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    Respiratory system (1973)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: The general anatomy and function of the human respiratory system is summarized. Breathing movements, control of breathing, lung volumes and capacities, mechanical relations, and factors relevant to respiratory support and equipment design are discussed.
    Keywords: BIOSCIENCES
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 489-531
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  • 7
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    Electrical manifestations of cardiac activity (1971)
    In:  CASI
    Details
    Publication Date: 2009-11-16
    Description: Electrocardiography and vector cardiography of athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 106-149
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  • 8
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    Some comments on control of the microvascular system (1971)
    In:  CASI
    Details
    Publication Date: 2009-11-16
    Description: Dynamic model for microvascular system control of mammal body kinematics
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 76-112
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  • 9
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    Subjective and nystagmus reactions considered in relation to models of vestibular function (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Modelling will become increasingly important as more knowledge is accumulated, because it offers advantages in predicting reactions of individuals in a variety of situations, including novel aerospace environments, and in specifying a few parameters which should have considerable clinical significance. However, the need for continuing experimental crosschecks of these models has been illustrated by several sets of results which would not have been predicted by any existing models.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 211-219
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  • 10
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    Artifacts produced during electrical stimulation of the vestibular nerve in cats (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Evidence is presented to indicate that evoked potentials in the recurrent laryngeal, the cervical sympathetic, and the phrenic nerve, commonly reported as being elicited by vestibular nerve stimulation, may be due to stimulation of structures other than the vestibular nerve. Experiments carried out in decerebrated cats indicated that stimulation of the petrous bone and not that of the vestibular nerve is responsible for the genesis of evoked potentials in the recurrent laryngeal and the cervical sympathetic nerves. The phrenic response to electrical stimulation applied through bipolar straight electrodes appears to be the result of stimulation of the facial nerve in the facial canal by current spread along the petrous bone, since stimulation of the suspended facial nerve evoked potentials only in the phrenic nerve and not in the recurrent laryngeal nerve. These findings indicate that autonomic components of motion sickness represent the secondary reactions and not the primary responses to vestibular stimulation.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 115-123
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  • 11
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    Perception of the upright and susceptibility to motion sickness as functions of angle of tilt and angular velocity in off-vertical rotation (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Motion sickness susceptibility of four normal subjects was measured in terms of duration of exposure necessary to evoke moderate malaise (MIIA) as a function of velocity in a chair rotated about a central axis tilted 10 deg with respect to gravitational upright. The subjects had little or no susceptibility to this type of rotation at 2.5 and 5.0 rpm, but with further increases in rate, the MIIA endpoint was always reached and with ever shorter test durations. Minimal provocative periods for all subjects were found at 15 or 20 rpm. Higher rotational rates dramatically reversed the vestibular stressor effect, and the subjects as a group tended to reach a plateau of relatively low susceptibility at 40 and 45 rpm. At these higher velocities, furthermore, the subjects essentially lost their sensation of being tilted off vertical. In the second half of the study, the effect of tilt angle was varied while the rotation rate was maintained at a constant 17.5 rpm. Two subjects were completely resistant to symptoms of motion sickness when rotated at 2.5 deg off vertical; with greater off-vertical angles, the susceptibility of all subjects increased sharply at first, then tapered off in a manner reflecting a Fechnerian function.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 99-103
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  • 12
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    Crew microbiology (DTO 71-19) (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: States of microbial imbalance as a result of human altitude chamber confinement occurred, for the most part, only in those genera and species of bacteria, yeast, and fungi which are classified as transients and are not part of the true indigenous flora of the crewmembers. Inasmuch as no crew illness events occurred and only subtle changes in the indigenous flora were noted, it appears that confinement of 56-days in a Skylab simulated environment does not mediate toward shifts in bacterial populations which have obvious clinical significance.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 12 p
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  • 13
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    Use of Lorente de No's neuron circuit model for describing acceleratory nystagmus (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Results of a previous metric analysis and an electronic simulation of acceleratory nystagmus are given. On this basis, a tentative mathematical model for describing acceleratory nystagmus is reported. The essential content of the model is Lorente de No's neuron circuit, to which the two-factor theory of excitation has been applied.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 263-272
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  • 14
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    Systems analysis of the vestibulo-ocular system (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The vestibulo-ocular system is examined from the standpoint of system theory. The evolution of a mathematical model of the vestibulo-ocular system in an attempt to match more and more experimental data is followed step by step. The final model explains many characteristics of the eye movement in vestibularly induced nystagmus. The analysis of the dynamic behavior of the model at the different stages of its development is illustrated in time domain, mainly in a qualitative way.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 237-249
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  • 15
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    Use of Steinhausen's model for describing periodic Coriolis star nystagmus (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Phase lag, maximal slow phase velocity, and beat frequency were measured in periodic Coriolis star nystagmus. The results have been described by Steinhausen's model of the semicircular canal system. Estimates of the biophysical constants have been obtained. It is concluded that this model is a good functional approximation for describing, and also for interpreting, the behavior of the system.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 251-262
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  • 16
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    On visual-vestibular interaction (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Experimental evidence is presented regarding visual vestibular interaction, and the results of three studies on the subject are briefly noted. An attempt to put together some of these observations with elementary notions of a visual vestibular interaction program is shown in the form of a flow chart representation of a possible model. This is a nonlinear model in which visual and vestibular influences are linearly weighted when they are in relative agreement but switch to the more believable one when they are in disagreement. A solution to the human space orientation problem is depicted by a schema for optimal subjective orientation based on several sensory modalities.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 205-210
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  • 17
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    Responses to rotating linear acceleration vectors considered in relation to a model of the otolith organs (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Human subjects were exposed to a linear acceleration vector that rotated in the transverse plane of the skull without angular counterrotation. Lateral eye movements showed a sinusoidal change in slow phase velocity and an asymmetry or bias in the same direction as vector rotation. A model is developed that attributes the oculomotor response to otolithic mechanisms. It is suggested that the bias component is the manifestation of torsion of the statoconial plaque relative to the base of the utricular macula and that the sinusoidal component represents the translational oscillation of the statoconia. The model subsumes a hypothetical neural mechanism which allows x- and y-axis accelerations to be resolved. Derivation of equations of motion for the statoconial plaque in torsion and translation, which take into account forces acting in shear and normal to the macula, yield estimates of bias and sinusoidal components that are in qualitative agreement with the diverse experimental findings.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 221-236
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  • 18
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    Otolithic influences on extraocular and intraocular muscles (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Selective stimulation of utricular gravireceptors leads to gross activation of the bulbar reticular formation where a strong interaction with evoked spino-bulbo-spinal reflex activity occurs. The utricular neurons encountered by microelectrodes in the lateral vestibular nuclei show four types of elicited activity; two of these display an increased firing rate, and two exhibit pronounced inhibitory effects. Application of a stimulus of long duration and constant intensity to the utricle has shown that rapid adaptation of the peripheral receptors is a prominent feature. The effects of selective utricular stimulation upon eye movements, as recorded by the corneoretinal potential method, have been studied in experiments on cats and monkeys and it can be firmly stated that prolonged stimulation of the utricle can evoke strong primary nystagmus, followed by a secondary nystagmus at the cessation of stimulation. The action of utricular stimulation on ocular reflexes has been examined further, with particular attention to evoked pupillary reactions in both cats and monkeys: constriction during the fast phase of the brisk conjugate eye movement, and dilatation during the flow phase.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 195-201
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  • 19
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    Habituation of vestibular responses: An overview (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: An historical survey of vestibular habituation experiments has been undertaken. Methodological problems are presented briefly, and the influence of arousal on vestibular responses is detailed. Data obtained from animals and from man are treated separately. At least for man, the term habituation may be better defined by a dynamic change in the form of vestibular responses than by a simple response reduction.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 157-193
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  • 20
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    Scanning electron microscopy of the vestibular end organs (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The vestibular end organs, after chemical fixation, were freeze dried, coated with gold and palladium, and studied in the scanning microscope. Scanning microscopy gives a good three dimensional view of the sensory areas and allows study of both gross anatomy and microstructures. Cross anatomical features of the structure of the ampullae are demonstrated. The form of the statoconia in different species of animals is shown. New aspects of the structure of the sensory hairs are revealed. The hair bundles in the central areas of the cristae and in the striola of the maculae differ structurally from the hair bundles at the periphery of the sensory regions. Furthermore, some hair bundles consisting of very short stereocilia were observed. The relationship between the cupula and the statoconial membrane to the epithelial surface is discussed.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 145-156
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  • 21
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    Anti-motion-sickness therapy (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Neither alterations in environmental temperature nor moderate intake of alcohol was found to alter susceptibility to motion sickness in subjects exposed to rotation in the Pensacola slow rotation room. Scopolamine with d-amphetamine was found to be the most effective preparation for the prevention of motion sickness under the experimental conditions of the studies reported here. Promethazine in combination with d-amphetamine was in the same range of effectiveness. Drug actions suggest that acetylcholine and norepinephrine may be involved in motion sickness.
    Keywords: BIOSCIENCES
    Type: NASA, Washinton Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 109-114
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  • 22
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    The ferrioxalate actinometry system of the microbial response to space environment experiment (M191) (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: The fluid actinometry portion of the Microbial Response to Space Environment Experiment (M191) was designed for measurement of the solar energy that penetrates certain optical filter systems during exposure in space. Potassium ferrioxalate was used to measure energy at peak wavelengths of 254, 280, and 300 nanometers because of its high degree of sensitivity and its linear response to the middle ultraviolet regions.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Proc. of the Microbial Response to Space Environ. Symp.; p 169-178
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  • 23
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    Effects of space environment on T-7 bacteriophage and spores of Bacillus subtilis 168 (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Two strains of Bacillus subtilis were exposed to components of the ultraviolet spectrum in space. Both strains possess multiple genetic markers, and one of the strains is defective in the ability to repair ultraviolet damage. The T-7 bacteriophage of Escherichia coli was also exposed to selected wavelengths and energy levels of ultraviolet light in space. Preliminary findings do not reveal anomalies in survival rates. Data are not yet available on detailed genetic analyses.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Proc. of the Microbial Response to Space Environ. Symp.; p 65-85
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  • 24
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    Background and general design of the microbial response to space environment experiment (M191) system (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Nine different species of organisms were exposed to space flight conditions during the Apollo 16 mission. Each test system was selected because it provided a quantitative method of evaluating some medically important phenomenon. The experiment design and each of the test systems are discussed.
    Keywords: BIOSCIENCES
    Type: Proc. of the Microbial Response to Space Environ. Symp.; p 3-19
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  • 25
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    Infectivity and egg production of Nematospiroides dubius as affected by space flight and ultraviolet irradiation (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Nematospiroides dubius was tested to determine the infective potential of the third stage larvae and the egg-production and egg-viability rates of the resulting adults after they are exposed to space flight and solar ultraviolet irradiation. The results are indicative that space-flown larvae exposed to solar ultraviolet irradiation were rendered noninfective in C57 mice, whereas flight control larvae that received no solar ultraviolet irradiation matured at the same rate as the ground control larvae. However, depressed egg viability was evident in the flight control larvae.
    Keywords: BIOSCIENCES
    Type: Proc. of the Microbial Response to Space Environ. Symp.; p 51-64
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  • 26
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    The high energy multicharged particle exposure of the microbial ecology evaluation device on board the Apollo 16 spacecraft (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: The high energy multicharged cosmic-ray-particle exposure of the Microbial Ecology Evaluation Device package on board the Apollo 16 spacecraft was monitored using cellulose nitrate, Lexan polycarbonate, nuclear emulsion, and silver chloride crystal nuclear-track detectors. The results of the analysis of these detectors include the measured particle fluences, the linear energy transfer spectra, and the integral atomic number spectrum of stopping particle density. The linear energy transfer spectrum is used to compute the fractional cell loss in human kidney (T1) cells caused by heavy particles. Because the Microbial Ecology Evaluation Device was better shielded, the high-energy multicharged particle exposure was less than that measured on the crew passive dosimeters.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Proc. of the Microbial Response to Space Environ. Symp.; p 179-189
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  • 27
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    Thermoluminescent dosimetry for the Apollo 16 microbial response to space environment experiment (M191) (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Lithium fluoride thermoluminescent chips were used to provide an integrated dose from the broad spectrum of ionizing radiation to the Microbial Response to Space Environment Experiment (M191). The chips were positioned in the flight hardware to provide data on ionizing radiation within specific volume segments. A uniform radiation dose of 4.8 x 0.001 plus or minus 2 x 0.0001 joule/kg resulted.
    Keywords: BIOSCIENCES
    Type: Proc. of the Microbial Response to Space Environ. Symp.; p 191-197
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  • 28
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    Effect of solar irradiation on extracellular enzymes of Aeromonas proteolytica (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: The bacterium Aeromonas proteolytica was selected for studying the effects of solar irradiation on extracellular enzymes because it produces an endopeptidase that is capable of degrading proteins and a hemolysin that is active in lysing human erythrocytes. Possible alterations in the rate of enzyme production in response to the test conditions are currently underway and are not available for this preliminary report. Completed viability studies are indicative that little difference exists among the survival curves derived for cells exposed to various components of ultraviolet irradiation in space.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Proc. of the Microbial Response to Space Environ. Symp.; p 137-151
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  • 29
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    Postflight analyses of Bacillus thuringiensis organisms exposed to space flight conditions (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Cultures of B. thuringiensis returned from space flight appeared to be normal to slightly affected adversely in their ability to produce three toxins that affect insects. In addition, it can be stated that B. thuringiensis spores are very resistant to ultraviolet irradiation at the individual wavelengths and energy levels previously described. Full sunlight, however, does have a detrimental effect on the viability of B. thuringiensis spores.
    Keywords: BIOSCIENCES
    Type: Proc. of the Microbial Response to Space Environ. Symp.; p 105-120
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  • 30
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    Mycological studies housed in the Apollo 16 microbial ecology evaluation device (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Survival, death, and phenotype count have yielded variation in the number of fungi recovered from the controls and the flight exposed cuvettes during preliminary analysis of postflight first phase data. Also the preliminary analysis was indicative that fungi exposed to specific space flight conditions demonstrated variable survival rates and phenotype counts. Specific space flight conditions included full light space exposure for Chaetomium globosum, exposure at 300- and 254-nanometer wavelengths for Rhodotorula rubra, full light and 280-nanometer wavelength exposure for Trichophyton terrestre, and 254-nanometer wavelength exposure for Saccharomyces cerevisiae. In general, phenotype counts for flight cuvettes and survival rates for control cuvettes were higher compared with the remaining cuvettes.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Proc. of the Microbial Response to Space Environ. Symp.; p 121-135
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  • 31
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    Effects of space vacuum and solar ultraviolet irradiation (254 nanometers) on the colony forming ability of Bacillus subtilis spores (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-26
    Description: Bacillus subtilis spores are highly resistant to harsh environments. Therefore, in the Apollo 16 Microbial Response to Space Environment Experiment (M191), these spores were exposed to space vacuum or solar ultraviolet irradiation, or both, to estimate the change of survival for terrestrial organisms in space. The survival of the spores was determined in terms of colony-forming ability. Comparison of the flight results with results of simulation experiments on earth applying high vacuum or ultraviolet irradiation, or both, revealed no remarkable difference. Simultaneous exposure to both these space factors resulted in a synergistic effect (that is, an ultraviolet supersensitivity). Therefore, the change of survival in space is assumed to depend on the degree of protection against solar ultraviolet irradiation.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Proc. of the Microbial Response to Space Environ. Symp.; p 87-103
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  • 32
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    A physical view of metabolic systems - The biochemical transition from organ systems to the higher central nervous systems (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Biochemical molecular model for metabolic energy transition from mammalian organs to central nervous system
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 198-229
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  • 33
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    The cardiovascular system (1971)
    In:  CASI
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    Publication Date: 2006-04-20
    Description: Biological models for mammalian cardiovascular systems
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 130-197
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  • 34
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    An introduction to structures at the lower levels of organization (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Dynamic models for cell membrane functions in molecular biology
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 56-75
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  • 35
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    Organization of cardiological service in sports medicine (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Cardiological medical services for Soviet athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 460-464
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  • 36
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    Disruptions of the cardiac rhythm in athletes (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Cardiac rhythm disruptions in athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 385-402
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  • 37
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    Some clinical problems of sports medicine (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Clinical problems of cardiology of athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 351-362
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  • 38
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    X-ray methods of investigation of the cardiac activity of athletes (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: X ray methods for quantitative analysis of cardiac activity in athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 239-284
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  • 39
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    The role of the nervous system in the organization and integration of living systems (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Neurophysiological model for interactions between nervous system, cellular mechanisms, and human behavior synthesis
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 230-293
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  • 40
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    Summary of some of the abstract principles for a biosystems science (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Summary of design parameters for models of dynamic biological systems
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 50-55
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  • 41
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    Introduction to a biological systems science - Preliminaries (1971)
    In:  CASI
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    Publication Date: 2006-04-20
    Description: Biological systems analysis for developing dynamic physiological models
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 1-23
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  • 42
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    Systolic noises in athletes (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Phonocardiographic analysis of systolic noises in athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 439-459
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  • 43
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    Some methods of transmission analysis of cardiological information in sports (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Transmission and analysis of cardiological data on athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 315-349
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  • 44
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    Mechanical manifestations of cardiac activity and the functional state of the vessels (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Methods for measuring mechanical aspects of cardiac activity and vessel functional state
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 150-238
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  • 45
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    Investigation of certain parameters of cardio and hemodynamics (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Technology review on cardio and hemodynamics
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 74-105
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  • 46
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    The cardiac activity of athletes in the quiet state (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Cardiac activity of athletes in quiet state
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 2-34
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  • 47
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    Summary, overview, and discussion (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Biodynamic modelling of biosystems by physical and biological parameters
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 319-327
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  • 48
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    The chemical origins of mammalian behavior (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Biochemistry model for endocrine system effects on mammalian neurophysiology and human behavior
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 294-318
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  • 49
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    Thoughts concerning autonomic nervous system controlling influences (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Physical controls of autonomic nervous system by ganglia impulses
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 113-129
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  • 50
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    Hierarchical regulation in the complex biological organism (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Hierarchical regulation model for human biological systems
    Keywords: BIOSCIENCES
    Type: INTRODUCTION TO A BIOL. SYSTEMS SCI. FEB. 1971; P 37-49
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  • 51
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    Cardiac overstress in athletes (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Physical overstress effect on cardiac muscle in athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 403-438
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  • 52
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    Changes in the arterial pressure of athletes (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Arterial pressure characteristics of athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 363-384
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  • 53
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    Functional tests of the cardiovascular system (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Functional tests of cardiovascular system in athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 285-314
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  • 54
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    Cardiac activity during conditions of muscular work (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Cardiac activity under stress of physical work
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 35-57
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  • 55
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    Blood circulation and the state of training (1971)
    In:  CASI
    Details
    Publication Date: 2006-04-20
    Description: Blood circulation and state of physical training in athletes
    Keywords: BIOSCIENCES
    Type: HEART AND SPORTS- ESSAYS ON CARDIOLOGY IN SPORTS FEB. 1971; P 58-72
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  • 56
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    Fungi and bacteria (1973)
    In:  CASI
    Details
    Publication Date: 2006-04-02
    Description: Spacecraft equipment is usually protected from fungi and bacteria by incorporating a fungicide-bactericide in the material, by a fungicide-bactericide spray, or by reducing the relative humidity to a degree where growth will not take place. A unique method to protect delicate, expensive bearings in equipment was to maintain a pressure (with dry air or nitrogen) slightly above the outside atmosphere (few millibars) within the working parts of the equipment, thus preventing fungi from entering equipment.
    Keywords: BIOSCIENCES
    Type: Terrest. Environ. (Climatic) Criteria Guidelines for Use in Aerospace Vehicle Develop., 1973 Rev.; 2 p
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  • 57
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    Brain blood-flow changes during motion sickness (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The possibility of diminished blood flow in the brain is studied as one of the factors resulting from an increase in skeletal muscle blood volume concomitant with other characteristics of motion sickness. Thermistors are implanted in the thalamus of dogs and blood flow changes are recorded while they are subjected to sinusoidal movement on a two pole swing. Results of these initial steps in a proposed long term exploration of different areas of the brain are presented.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 105-107
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  • 58
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    Environmental noise experiment (DTO 71-22) (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Only general conclusions can be reached of the effect of Skylab simulation chamber noise on the crewmen. Two crewmen experienced a small hearing decrement in-chamber, but there was no pattern as to the ear and frequency affected. Temporary hearing threshold shifts were observed in all three crewmen postchamber. These postchamber threshold shifts were perhaps the most significant finding of the study. However, no lasting detrimental effects on the crew's hearing were found.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 8 p
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  • 59
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    Sleep-monitoring, experiment M133 (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The Skylab sleep-monitoring experiment simulated the timelines and environment expected during a 56-day Skylab mission. Two crewmembers utilized the data acquisition and analysis hardware, and their sleep characteristics were studied in an online fashion during a number of all night recording sessions. Comparison of the results of online automatic analysis with those of postmission visual data analysis was favorable, confirming the feasibility of obtaining reliable objective information concerning sleep characteristics during the Skylab missions. One crewmember exhibited definite changes in certain sleep characteristics (e.g., increased sleep latency, increased time Awake during first third of night, and decreased total sleep time) during the mission.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Skylab Med. Expt. Altitude Test (SMEAT); 21 p
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  • 60
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    Metabolic activity, experiment M171 (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The Skylab metabolic activity experiment determines if man's metabolic effectiveness in doing mechanical work is progressively altered by a simulated Skylab environment, including environmental factors such as slightly increased pCO2. This test identified several hardware/procedural anomalies. The most important of these were: (1) the metabolic analyzer measured carbon dioxide production and expired water too high; (2) the ergometer load module failed under continuous high workload conditions; (3) a higher than desirable number of erroneous blood pressure measurements were recorded; (4) vital capacity measurements were unreliable; and (5) anticipated crew personal exercise needs to be more structured.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 15 p
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  • 61
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    Mineral balance, experiment M071 (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Concern for the long term metabolic consequences of weightless flight was the basis for the conception of the Skylab medical experiment to measure mineral balance. Proper interpretation of obtained data that diminished atmospheric pressure has no appreciable effect, or at least no protective effect, on calcium metabolism. The absence of changes in calcium metabolism indicates that a stable baseline observation has been made for Skylab as far as the effects of atmosphere or calcium metabolism are concerned.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 12 p
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  • 62
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    Lower body negative pressure, experiment M092 (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Evaluation of orthostatic intolerance has been achieved by the use of lower body negative pressure (LBNP). The LBNP technique, though independent of gravity, simulates its effect by exposing the legs and the lower abdomen to reduced ambient pressures. This LBNP experiment, conducted during the 56-day simulation of the Skylab environment, was designed to supply baseline information on cardiovascular responses to periodic orthostatic stress. Impaired orthostatic tolerance, manifested by the increased heart rate, diminished systolic and pulse pressure, and increased tendency to syncope in the upright position, or during LBNP, was not observed in this experiment.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 6 p
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  • 63
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    Vestibular mechanisms underlying certain problems in a rotating spacecraft (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Vestibular side effects are discussed with the aid of a conceptual framework based on an analysis of vestibular input-output relations. These side effects tend to fall into two main categories: (1) Reflex phenomena, and (2) motion sickness, a delayed epiphenomenon. Although the symptomatology of motion sickness is similar wherever experienced, both the eliciting stimuli and the opportunity to adapt may differ in different motion environments. These differences not only are exemplified when motion sickness is compared in a weightless and in a rotating environment, but they also point to important differences in the problem of preventing (or treating) motion sickness in these two very different environments.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 35-39
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  • 64
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    Red blood cell metabolism (M114), part D (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Statistically significant differences were found between Skylab simulation crews and controls for glycolytic enzymes. The absence of simultaneous controls for the pre- and postchamber analyses leaves the significance of the findings in the crew during these periods indeterminate.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Skylab Med. Expt. Altitude Test (SMEAT); 2 p
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    Special hematologic effects (M115), part E (1973)
    In:  CASI
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    Publication Date: 2006-01-11
    Description: All routine hematological measurements for the Skylab simulation test were within normal astronaut population limits for the CDR, SPT, and PLT, with one exception: A significant lymphopenia was observed in the PLT during the post test period, possibly the reflection of increased adrenal corticoid secretion. No ultrastructural red cell membrane abnormalities were observed in any of the subjects, nor were any red corpuscle morphological abnormalities noted. Slight elevations in the PLT's red corpuscular potassium were observed in the younger corpuscles after chamber entrance and again upon egress. This probably represents newly released young red cells from hematopoietic tissue. Flame photometric analyses confirm the fact that potassium is indeed higher in the younger cells of all subjects examined.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 12 p
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    Investigation of man's immune system (M112), part B (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Fifty-six days of residence in a Skylab-type environment produce essentially no change in the reactivity of the human immune system, as typified by the rate of RNA or DNA synthesis in small lymphocytes. The one point of divergence between the Skylab simulation crew and previous Apollo crews, a marked depression in synthesis rates on the fourteenth day after the chamber study, may be due to some technical difficulty in the experiment. Lymphocyte morphology changes paralleled functional changes.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Skylab Med. Expt. Altitude Test (SMEAT); 6 p
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    Hematology/immunology (M110 series) (1973)
    In:  CASI
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    Publication Date: 2006-01-11
    Description: The hematology/immunology experiments in the Skylab mission study various aspects of the red blood cell, including its metabolism and life span, and blood volume changes under zero gravity conditions to determine the precise mechanism of the transient changes which have been seen on the relatively brief missions of the past.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 5 p
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  • 68
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    The role of perilymph in the response of the semicircular canals to angular acceleration (1973)
    In:  CASI
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    Publication Date: 2006-01-11
    Description: A new model for the response of the semicircular canals to angular motion is postulated. This model is based on evidence that the bony canal is not compartmentalized and assumes that the ampulla wall is highly flexible. It is shown that the perilymph induces a cupula displacement far greater than that produced by the endolymph alone. The predicted dynamic behavior of the canals on the basis of this model is found to be consistent with experimental observations.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 135-141
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  • 69
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    The vestibular system of the owl (1973)
    In:  CASI
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    Publication Date: 2006-01-11
    Description: Five owls were given vestibular examinations, and two of them were sacrificed to provide serial histological sections of the temporal bones. The owls exhibited a curious variability in the postrotatory head nystagmus following abrupt deceleration; sometimes a brisk nystagnus with direction opposite to that appropriate to the stimulus would occur promptly after deceleration. It was found also that owls can exhibit a remarkable head stability during angular movement of the body about any axis passing through the skull. The vestibular apparatus in the owl is larger than in man, and a prominent crista neglecta is present. The tectorial membrane, the cupula, and the otolithic membranes of the utricle, saccule, and lagena are all attached to surfaces in addition to the surfaces hearing hair cells. These attachments are very substantial in the utricular otolithic membrane and in the cupula.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 127-132
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  • 70
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    Medical operations: Crew surgeon's report (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: To assure the safety and well being of the Skylab environment simulation crewmembers it was necessary to develop a medical safety plan with emergency procedures. All medical and nonmedical test and operations personnel, except those specifically exempted, were required to meet the medical standards and proficiency levels as established. Implemented programs included health care of the test crew and their families, occupational medical services for chamber operating personnel, clinical laboratory support and hypobaric and other emergency support.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 15 p
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    Effects of SMEAT on the oral health of crewmen (DTO 71-2) (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The oral health status of three astronauts was monitored before, during and after a 56-day simulation of the Skylab mission. Laboratory and clinical parameters which are considered to be ultimately related to dental impairments were evaluated. The most notable changes were observed in increased counts of mycoplasma and S. mutans, decreased counts of enteric bacilli, decreased saliva flow rates, increased secretory IgA and salivary lysozyme levels, and increased clinical scores of dental plaque, calculus and inflammation.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Skylab Med. Expt. Altitude Test (SMEAT); 6 p
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  • 72
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    Bioassay of body fluids, experiment M073 (1973)
    In:  CASI
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    Publication Date: 2006-01-11
    Description: Body fluids were assayed in this experiment to demonstrate changes which might have occurred during the 56-day chamber study in fluid and electrolyte balance, in regulation of calcium metabolism, in overall physiological and emotional adaptation to the environment, and in regulation of metabolic processes.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 14 p
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  • 73
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    Bone mineral measurement, experiment M078 (1973)
    In:  CASI
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    Publication Date: 2006-01-11
    Description: Measurement tests revealed few deviations from baseline bone mineral measurements after 56 days in a Skylab-type environment. No mineral change was observed in the right radius. One individual, however, showed a possible mineral loss in the left os calcis and another gained mineral in the right ulna. The cause of the gain is unclear but may be attributable to the heavy exercise routines engaged in by the crewmember in question. Equipment problems were identified during the experiment and rectified.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 6 p
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  • 74
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    Blood volume and red cell life span (M113), part C (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: Prechamber, in-chamber, and postchamber blood samples taken from Skylab simulation crewmembers did not indicate significant shortening of the red cell life span during the mission. This does not suggest that the space simulation environment could not be associated with red cell enzyme changes. It does show that any changes in enzymes were not sufficiently great to significantly shorten red cell survival. There was no evidence of bone marrow erythropoetic suppression nor was there any evidence of increased red cell destruction.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Skylab Med. Expt. Altitude Test (SMEAT); 4 p
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  • 75
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    Cytogenetic studies of the blood (M111), part A (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The cytogenetic study of the crew appears to indicate that Skylab-type environmental conditions have no deleterious effect upon chromosomal material. The findings are, however, less clear-cut than might be desired, due in large measure to confounding of the experimental design by the administration of isotope injections for the purposes of other experiments and to the lack of control subjects.
    Keywords: BIOSCIENCES
    Type: NASA. Johnson Space Center Skylab Med. Altitude Test (SMEAT); 3 p
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    Program organization (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The Skylab medical experiments altitude test plan is outlined. Described are the scope and objectives of the program, the management system under which it would be conducted, requirements for configuration of the test facility, test control documentation, data processing, and detailed test objectives.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 5 p
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  • 77
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    Introduction (1973)
    In:  CASI
    Details
    Publication Date: 2006-01-11
    Description: The objective of the Skylab medical experiment altitude test was to provide a nearly full scale simulation of a 56-day Skylab mission for studying physiological changes produced in man by the long term exposure to space conditions. Evaluated in the altitude chamber tests were human cardiovascular/hemodynamic responses, musculoskeletal/metabolic effects, endocrine/electrode factors, and neurophysiological indices.
    Keywords: BIOSCIENCES
    Type: Skylab Med. Expt. Altitude Test (SMEAT); 6 p
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  • 78
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    Construction of a mathematical model of the human body, taking the nonlinear rigidity of the spine into account (1973)
    In:  CASI
    Details
    Publication Date: 2006-03-28
    Description: A mathematical model of the human body was constructed, under the action of harmonic vibrations, in the 2.5-7 Hz frequency range. In this frequency range, the model of the human body as a vibrating system, with concentrated parameters is considered. Vertical movements of the seat and vertical components of vibrations of the human body are investigated.
    Keywords: BIOSCIENCES
    Type: Cybernetic Diagnostics of Mech. Systems with Vibro-acoustic Phenomena (NASA-TT-F-14899); p 38-40
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  • 79
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    Studies of the electron transport chain of extremely halophilic bacteria. V (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Electron transport chain of extremely halophilic bacteria, investigating cytochrome oxidase activity dependence on pH
    Keywords: BIOSCIENCES
    Type: ; RO(
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  • 80
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    Survival of microorganisms in a simulated Martian environment (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Simulated Martian environment effects on terrestrial microorganisms survival
    Keywords: BIOSCIENCES
    Type: ; 104-111. (
    Format: text
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  • 81
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    Effects of hypobaric hyperoxia in vivo on lipid synthesis in rat liver and adipose tissue slices (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Stimulatory effects of hypobaric hyperoxia on lipid synthesis in rat liver and adipose tissues under free feeding
    Keywords: BIOSCIENCES
    Type: ; YAL SOCIETY (
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  • 82
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    Studies of the electron transport chain of extremely halophilic bacteria. VI (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Halophilic bacteria electron transport chain, studying protein, phospholipids, flavoproteins and cytochromes sedimentation properties by electron microscopy and light scattering technique
    Keywords: BIOSCIENCES
    Type: ; ADEMIE DES SCIENCES
    Format: text
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  • 83
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    Independence of evoked potentials and apparent size (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Visual evoked potential relationship to apparent size reduction of invariant retinal image
    Keywords: BIOSCIENCES
    Type: ; 251-289. (
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  • 84
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    Ribosome-catalyzed polyester formation (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Polyester formation by Escherichia coli ribosome catalyzed alpha-hydroxy acid incorporation into polymer chain
    Keywords: BIOSCIENCES
    Type: ; ADEMIE DES SCIENCES
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  • 85
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    Nonlinear analysis of flow pulses and shock waves in arteries. I (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Large amplitude wave propagation in arteries, deriving aorta mathematical model consistent with heart pressure and flow pulses and wavefront velocity
    Keywords: BIOSCIENCES
    Type: ; UG-REVUE(
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  • 86
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    Two inducers of rapid erythroblast multiplication in vitro (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Rapid erythroblast multiplication in vitro by incubation of rabbit blood buffy coat and marrow cells, giving autoradiographic results
    Keywords: BIOSCIENCES
    Type: ; YAL SOCIETY (
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  • 87
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    Configuration of amino-acids in carbonaceous chondrites and a Pre-Cambrian chert (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Carbonaceous chondrite and Precambrian chert amino acids detection, using simultaneous optical configuration determination and gas chromatography
    Keywords: BIOSCIENCES
    Type: ; 6-8, 10-16 (
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  • 88
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    Preliminary report on thermophilic blue-green algae and microorganisms in Iceland and Surtsey (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Biological effects of thermal environments on dispersal of blue green algae and microorganisms in Iceland and Surtsey
    Keywords: BIOSCIENCES
    Type: NASA. AMES RES. CENTER BOSTON COLL. ENVIRON. CENTER SUMMER INST. ON SURTSEY AND ICELAND FEB. 1971; P 92-93
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  • 89
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    Fungal leaching of titanium from rock. (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Penicillium simplicissimum is found to solubilize up to 80% of the titanium in granitic rocks but less than 2% of the titanium in basaltic rocks. These findings were made in investigating the interactions of microorganisms with rocks and minerals of the biosphere in studies aimed at developing experiments for the detection of extraterrestrial life.
    Keywords: BIOSCIENCES
    Type: Applied Microbiology; 22; Nov. 197
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  • 90
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    Photorecovery of gamma irradiated cultures of blue-green alga, Anacystis nidulans. (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Evidence is given for photorecovery of Anacystis nidulans after exposures to Co 60 gamma radiation. After irradiation the levels of viable cells were higher in cultures kept in white light than in cultures kept dark for 24 hr. The post-irradiation survival rate increase after 30-min exposures to visible light is demonstrated in cultures irradiated with 35 krad. An increase in survival rates was not observed after exposures to ?red' light.
    Keywords: BIOSCIENCES
    Type: Radiation Botany; 11; 1971
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  • 91
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    Radiological physics characteristics of the extracted heavy ion beams of the bevatron. (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Studies of the depth-ionization properties and the biological effects of heavy ion beams produced at the bevatron have extended work previously done with less energetic beams from other sources. Results indicate that heavy ion beams are suitable for tumor therapy, studies relating to space biology, and fundamental radiobiology.
    Keywords: BIOSCIENCES
    Type: Science; 174; Dec. 10
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  • 92
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    Experimental investigation on the origin of the genetic code. (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: A simple model of interacting complex systems of species is tested to assess the binding behavior of monomeric nucleic acid and protein components during evolution. Nine representative amino acids are immobilized by the formation of an amide linkage on a prepared chromatographic support. Selective binding of ribonucleoside 5-phosphates in these amino acids is achieved under standardized conditions, and a site-binding model is derived to characterize the binding. It is shown that the binding behavior of the reactants during nucleic acid-protein interactions depends on the nature of the base and the amino acid. The results of the study are assessed as useful for the interpretation of more complex nucleic acid-protein systems and of their role in the evolution of the cell.
    Keywords: BIOSCIENCES
    Type: Journal of Molecular Evolution; 1; 1, 19; 1971
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  • 93
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    Short term response of insulin, glucose, growth hormone and corticosterone to acute vibration in rats. (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Study carried out to obtain some notion of the initial phasing and interactive effects among some hormones known to be responsive to vibration stress. Sprague-Dawley derived rats were exposed to the acute effects of confinement and confinement with lateral (plus or minus G sub y) vibration. The coincident monitoring of glucose, insulin, growth hormone, and corticosterone plasma levels, during and immediately subsequent to exposure to brief low level vibration, exhibits the effects of inhibition of insulin release by epinephrine. The ability of insulin (IRI) to return rapidly to basal levels, from appreciably depressed levels during vibration, in the face of elevated levels of glucose is also shown. Corticosterone responds with almost equal rapidity, but in opposite phase to the IRI. The immuno-assayable growth hormone (IGH) dropped from a basal level of 32 ng/ml to 7.3 ng/ml immediately subsequent to vibration and remained at essentially that level throughout the experiment (60 min). Whether these levels represent a real fall in the rat or whether they merely follow the immuno-logically deficient form is still in question.
    Keywords: BIOSCIENCES
    Type: Aerospace Medicine; 42; July 197
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  • 94
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    Cortical responses of awake cat to narrow-band FM noise stimuli (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Cortical responses of awake cat to narrow-band FM noise stimuli, proposing neuronal model
    Keywords: BIOSCIENCES
    Type: ; 35 (
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  • 95
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    Exercise temperature regulation in man during hypohydration and hyperhydration (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Human body temperature regulation under various hydration regimes during exercise, noting changes related to sweating
    Keywords: BIOSCIENCES
    Type: ; YSICA STATUS SOLIDI
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  • 96
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    Nutritional and hormonal aspects of the oxygen toxicity syndrome (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Oxygen exposure effect on food consumption/ utilization efficiency, growth and biochemical parameters
    Keywords: BIOSCIENCES
    Type: ; ADEMIE DES SCIENCES
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  • 97
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    Radiation-induced light flashes observed by human subjects in fast neutron, X-ray and positive pion beams (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Radiation induced visual phosphenes observed by dark adapted human subjects in fast neutron, X ray and positive pion beams at Berkeley comparative to primary cosmic ray effects
    Keywords: BIOSCIENCES
    Type: ; YSICA STATUS SOLIDI
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  • 98
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    Space station RF hazards (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Harmful biological effects caused by exposure to microwave radiation including radio frequency power density in vicinity of space station antennas
    Keywords: BIOSCIENCES
    Type: INSTRUMENTATION AND COMMUN. RES. AT MSFC, VOL. 4 MAY 1971; P 51-55
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  • 99
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    Effects of desalivation on behavioral thermoregulation against heat (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Desalivation effects on behavioral thermoregulation against heat in rats
    Keywords: BIOSCIENCES
    Type: P. DISCRIMINATION, BEHAVIORAL THERMOREGULATION AND RELATED MEAS. IN THE RAT 1971 (SEE N71-22976 11-04) 11-04/
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  • 100
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    Dwarfing, lignification, and land plant evolution (1971)
    In:  Other Sources
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    Publication Date: 2011-08-16
    Description: Investigating relationship of lignin content to height in dwarf and regular-sized alpine plants of Iceland
    Keywords: BIOSCIENCES
    Type: NASA. AMES RES. CENTER BOSTON COLL. ENVIRON. CENTER SUMMER INST. ON SURTSEY AND ICELAND FEB. 1971; P 116
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