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  • 1
    ISSN: 1573-0603
    Keywords: immunofluorescence ; enzyme immunosorbant assays ; micro cell culture methods ; microscope slide cell culture methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A technique for culturing small quantities of mammalian cells on modified microscope slides is described. The modified microscope slides were Bellco Glass, Inc., toxoplasmosis slides and the cell cultures used were early passage bovine embryonic lung cells and continuous cell lines of porcine and canine origins. The slide cell cultures were either uninfected or infected with selected viruses or the obligate intracellular protozoanEncephalitozoon caniculi for utilization in direct and indirect fluorescent antibody testing or in peroxidase antiperoxidase immunosorbant assays.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 1974-10-01
    Print ISSN: 0047-2425
    Electronic ISSN: 1537-2537
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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  • 3
    Publication Date: 2019-06-27
    Description: The identification and classification of urban and suburban phenomena through analysis of remotely-acquired sensor data can provide information of great potential value to many regional analysts. Such classifications, particularly those using spectral data obtained from satellites such as the first Earth Resources Technology Satellite (ERTS-1) orbited by NASA, allow rapid frequent and accurate general land use inventories that are of value in many types of spatial analyses. In this study, Milwaukee County, Wisconsin was classified into several broad land use categories on the basis of computer analysis of four bands of ERTS spectral data (ERTS Frame Number E1017-16093). Categories identified were: (1) road-central business district, (2) grass (green vegetation), (3) suburban, (4) wooded suburb, (5) heavy industry, (6) inner city, and (7) water. Overall, 90 percent accuracy was attained in classification of these urban land use categories.
    Keywords: GEOPHYSICS
    Type: NASA-CR-133643 , LARS-INFORM-NOTE-022773
    Format: application/pdf
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  • 4
    Publication Date: 2019-06-27
    Description: Machine processing techniques were applied to multispectral data obtained from airborne scanners at an elevation of 600 meters over central Indianapolis in August, 1972. Computer analysis of these spectral data indicate that roads (two types), roof tops (three types), dense grass (two types), sparse grass (two types), trees, bare soil, and water (two types) can be accurately identified. Using computers, it is possible to determine land uses from analysis of type, size, shape, and spatial associations of earth surface images identified from multispectral data. Land use data developed through machine processing techniques can be programmed to monitor land use changes, simulate land use conditions, and provide impact statistics that are required to analyze stresses placed on spatial systems.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-147789 , LARS-IN-032576
    Format: application/pdf
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  • 5
    Publication Date: 2019-06-27
    Description: A successful application of state-of-the-art remote sensing technology in classifying an urban area into its broad land use classes is reported. This research proves that numerous urban features are amenable to classification using ERTS multispectral data automatically processed by computer. Furthermore, such automatic data processing (ADP) techniques permit areal analysis on an unprecedented scale with a minimum expenditure of time. Also, classification results obtained using ADP procedures are consistent, comparable, and replicable. The results of classification are compared with the proposed U. S. G. S. land use classification system in order to determine the level of classification that is feasible to obtain through ERTS analysis of metropolitan areas.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-147788 , LARS-INFORM-NOTE-031276
    Format: application/pdf
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  • 6
    Publication Date: 2019-06-27
    Description: The surface water resources of a large metropolitan area, Marion County (Indianapolis), Indiana, are studied in order to assess the potential value of ERTS spectral analysis to water resources problems. The results of the research indicate that all surface water bodies over 0.5 ha were identified accurately from ERTS multispectral analysis. Five distinct classes of water were identified and correlated with parameters which included: degree of water siltiness; depth of water; presence of macro and micro biotic forms in the water; and presence of various chemical concentrations in the water. The machine processing of ERTS spectral data used alone or in conjunction with conventional sources of hydrological information can lead to the monitoring of area of surface water bodies; estimated volume of selected surface water bodies; differences in degree of silt and clay suspended in water and degree of water eutrophication related to chemical concentrations.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-147787 , LARS-INFORM-NOTE-030576
    Format: application/pdf
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  • 7
    Publication Date: 2019-06-27
    Description: Remote sensing technology can satisfy or make significant contributions toward satisfying many of the information needs of governmental natural resource planners and policy makers. Recognizing this potential, the South Dakota State Planning Bureau and the EROS Data Center together formulated the framework for an ongoing Land Use and Natural Resource Inventory and Information System Program. Statewide land use/land cover information is generated from LANDSAT digital data and high altitude photography. Many applications of the system are anticipated as it evolves and data are added from more conventional sources. The conceptualization, design, and implementation of the program are discussed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: L-1 , NASA. Lyndon B. Johnson Space Center NASA Earth Resources Surv. Symp., Vol. 1-C; p 1499-1523
    Format: application/pdf
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  • 8
    Publication Date: 2019-06-27
    Description: The evaluation of population exposure to air pollution through the computer processing of Landsat digital land use data, along with total suspended particulate estimates and population data by census tracts, is demonstrated. Digital image processing was employed to analyze simultaneously data from Landsat MSS bands 4 through 7 in order to extract land use and land cover information. The three data sets were spatially registered in a digital format, compatible with integrated computer processing, and cross-tabulated. A map illustrating relative air quality by 2-sq km cells for the residential population in the Portland, Oregon area is obtained.
    Keywords: ENVIRONMENT POLLUTION
    Type: Environmental Science and Technology; 13; Aug. 197
    Format: text
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  • 9
    Publication Date: 2019-06-27
    Description: Preparation of urban land use inventories by machine processing of ERTS-1 MSS data of Milwaukee County, Wisconsin and Marion County, Indiana and Chicago, Illinois
    Keywords: GEOPHYSICS
    Type: E73-10217 , PAPER-L19 , NASA. Goddard Space Flight Center Land Use and Mapping; p 112
    Format: text
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  • 10
    Publication Date: 2019-07-13
    Keywords: GEOPHYSICS
    Type: Conference on Machine processing of remotely sensed data; Oct 16, 1973 - Oct 18, 1973; West Lafayette, IN
    Format: text
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