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  • 1985-1989  (4)
  • 1
    Publication Date: 2013-08-31
    Description: The timing and flow of detector and ancillary data for the Airborne Visible/Infrared imaging spectrometer (AVIRIS) are controlled within the instrument by its digital electronics assembly. In addition to providing detector and signal chain timing, the digital electronics receives, formats, and rate-buffers digitized science data; collects and formats ancillary (calibration and engineering) data; and merges both into a single tape record. Overall AVIRIS data handling is effected by a combination of dedicated digital electronics to control instrument timing, image data flow, and data rate buffering and a microcomputer programmed to handle real-time control of instrument mechanisms and the coordinated preparation of ancillary data.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Airborne Visible/Infrared Imaging Spectrometer (AVIRIS). A Description of the Sensor, Ground Data Processing Facility, Laboratory Calibration, and First Results; Airborne Visible(Inf
    Format: application/pdf
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  • 2
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    In:  Other Sources
    Publication Date: 2019-07-13
    Description: The timing and flow of detector and ancillary data for the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) are controlled within the instrument by its digital electronics assembly. In addition to providing detector and signal chain timing, the digital electronics receives, formats, and rate-buffers digitized science data; collects and formats ancillary (calibration and engineering) data; and merges both into a single tape record. Overall AVIRIS data handling is effected by a combination of dedicated digital electronics to control instrument timing, image data flow, and data rate buffering and a microcomputer programmed to handle real-time control of instrument mechanisms and the coordinated preparation of ancillary data.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Imaging Spectroscopy II; Aug 20, 1987 - Aug 21, 1987; San Diego, CA; United States
    Format: text
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  • 3
    ISSN: 1573-0832
    Keywords: Diptera ; Entomophthora muscae ; infection ; post-mortem growth ; susceptibility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Sixteen species of Diptera from eight families were inoculated with conidia ofEntomophthora muscae (Zygomycetes: Entomophthorales). The following species were susceptible and became infected at the rates indicated:Musca domestica (100%),Sarcophaga haemorrhoidalis (86%),Phaenicia sericata (44%),Scatophaga stercoraria (30%),Drosophila melanogaster (11%),Aedes aegypti (3%), andStomoxys calcitrans (2%). The following species were not susceptible under the conditions of this study:Phormia regina, Calliphora vicina, Rhagoletis pomonella, Eristalis arbustorum, Eristalis tenax, Toxomerus geminatus, Sphaerophoria scripta, Syrphus sp. andAllograpta oblique. Differences in susceptibility were not related to the taxonomic affinities of the taxa tested; however, susceptibility may be related to interspecific morphological differences of hosts, such as, scales and hairs on the host or the degree of sclerotization of host integument. Each host-pathogen interaction was examined. Characteristics of the post-mortem growth of the fungus were similar within a host species but differed between host species. These differences in post-mortem growth of the fungus were related to the suitability of host species as a substrate for the pathogen. The incubation period of the mycosis was related to host species and not to host size, it varied from seven days for the relatively largeS. haemorrhoidalis to 17 days for the relatively smallA. aegypti.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé Saccharomyces rouxii est un micro-organisme essentiel dans la fermentation des sauces de soja japonaises (shoyu, miso). Son activité optimale nécessite des concentrations en NaCl élevées, allant jusqu' à 18% (poids/volume), ou même davantage lorsque le pH du substrat est inférieur à 5,0. A pH 7,0 ou 4,5,S. rouxii se développe beaucoup plus rapidement et abondamment en présence qu'en l'absence de sel. Les cellules cultivées en présence de NaCl sont plus petites que celles cultivées sans sel. Du fait à la fois de leur surface moindre et de leur membrane plus épaisse, leur perméabilité passive est diminuée. Leurs teneurs en protéine brute, lipides totaux et glycérol sont sensiblement plus élevées. La teneur des cellules en lipides est déterminée par la pression osmotique, que celle-ci dépende de la concentration du milieu en NaCl ou en sucre. D'autre part, les cellules cultivées avec 18% de NaCl contiennent beaucoup moins de K+ et retiennent moins bien le potassium et le sodium que les cellules cultivées sans sel. L'activité triose-phosphate isomérase des cellules cultivées avec 18% de NaCl est supérieure à celle des cellules cultivées sans addition de sel.
    Abstract: Resumen Saccharomyces rouxii es un microorganismo esencial en los procesos fermentativos japoneses shoyu miso y de obtención de salsa de soja. La parte más importante de la actividad de esta levadura se desarrolla en medios con una elevada concentración de sal (hasta más de 18%) y pH inferiores a 5.0.Saccharomyces rouxii creció más rapidamente y alcanzó concentraciones celulares mayores en un medio sin sal que en un medio con 18% de sal, tanto a pH 7.0 como a pH 4.5. Las células desarrolladas en el medio con sal fueron de tamaño inferior que las obtenidas en el medio sin sal. La menor superficie de estas últimas combinada con un mayor espesor de su membrana celular resultan en una disminución del transporte pasivo. El contenido proteíco de las células desarrolladas en el medio sin sal fue de 36.0% contra 49.5% en las células obtenidas en el medio con 18% de NaCl y 43% en células desarrolladas en medios con un contenido en sal entre 6 y 12%. Las células obtenidas en un medio sin sal retuvieron de forma similar su contenido en Na+ y K+ independientemente de la solución de lavado y de la temperatura empleadas. El contenido de Na+ fue de 0.04–0.06 mg Na/g de materia seca y el de K+ 7.78–10.04 mg K/g de materia seca. Las células desarrolladas en un medio con adición de sal contenían menor cantidad de K+ (0.48–4.77 mg/g de materia seca) variando con las condiciones de lavado. Se observó que las células obtenidas en el medio con 18% de NaCl contenían más lípidos totales (10.13%) comparadas con las células desarrolladas sin sal (6.22%). La cantidad total de fosfatidilcolina y sus liso derivados fue de 72% para las células del medio salado contra 58% en las células sin sal. El contenido lipídico de las células refleja la presión osmótica, ya sea esta producto de la concentración de NaCl o de azucar. Al incrementar el contenido en sal de el medio desde 0–6% hasta 12–18% el contenido intracelular de glicerol aumentó proporcionalmente de 0.429–1.014 hasta 1.107–1.668 mg%. El contenido en triosafosfatoisomerasa de las células crecidas en el medio con 18% NaCl fue de 66.94 unidades/mg de proteína comparado con 42.82 unidades/mg de proteína en las células obtenidas en el medio sin adición de sal.
    Notes: Summary Saccharomyces rouxii is an essential micro-organism in the soy sauce/Japanese shoyu/Japanese miso fermentations. Its major activity occurs under conditions of high NaCl content, up to 18% or higher when the pH of the substrate is below 5.0.Saccharomyces rouxii grew much more rapidly and to higher cell population levels in the absence of added salt than with 18% (w/v) NaCl at either pH 7.0 or 4.5. Cells grown with 18% salt were smaller than those grown without added salt. Lower surface area combined with a thicker membrane decreased passive permeability. Growth in the presence of salt resulted in higher content of crude protein, total lipids, phosphatidyl choline and glycerol. The lipid content of the cells reflected the osmotic pressure whether it was caused by NaCl or sugar concentration in the medium. On the other hand, the cells grown in the presence of 18% NaCl contained much less K+ and retained potassium and sodium less efficiently. The triosephosphate isomerase (TPI) activity of cells grown in 18% NaCl medium was consistently higher than that of cells grown without added salt.
    Type of Medium: Electronic Resource
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