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  • 1
    Electronic Resource
    Electronic Resource
    FILTRATION EQUIPMENT - Theory (1961)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 53 (1961), S. 529-537 
    Details
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ie50619a021
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    Paper (German National Licenses)
    Fulltext
  • 2
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    FILTRATION EQUIPMENT - Theory (1961)
    American Chemical Society
    Details
    Publication Date: 1961-07-01
    Print ISSN: 0019-7866
    Electronic ISSN: 1541-5724
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Published by American Chemical Society
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    PAPER CURRENT
  • 3
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    Applications of hybrid and digital computation methods in aerospace-related sciences and engineering (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The computing equipment in the engineering systems simulation laboratory of the Houston University Cullen College of Engineering is described and its advantages are summarized. The application of computer techniques in aerospace-related research psychology and in chemical, civil, electrical, industrial, and mechanical engineering is described in abstracts of 84 individual projects and in reprints of published reports. Research supports programs in acoustics, energy technology, systems engineering, and environment management as well as aerospace engineering.
    Keywords: NUMERICAL ANALYSIS
    Type: NASA-CR-157364
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Cargo transportation by airships: A systems study (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A systems engineering study of a lighter than air airship transportation system was conducted. The feasibility of the use of airships in hauling cargo was demonstrated. Social, legal, environmental and political factors were considered as well as the technical factors necessary to design an effective airship transportation system. In order to accomplish an effective airship transportation program two phases of implementation were recommended. Phase I would involve a fleet of rigid airships of 3.5 million cubic feet displacement capable of carrying 25 tons of cargo internal to the helium-filled gas bag. The Phase I fleet would demonstrate the economic and technical feasibility of modern-day airships while providing a training capability for the construction and operation of larger airships. The Phase II portion would be a fleet of rigid airships of 12 million cubic feet displacement capable of carrying a cargo of 100 tons a distance of 2,000 miles at a cruising speed of 60 mph. An economic analysis is given for a variety of missions for both Phase I and Phase II airships.
    Keywords: AERONAUTICS (GENERAL)
    Type: NASA-CR-2636 , S-452 , JSC-10655
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Energy recovery from solid waste. Volume 2: Technical report (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A systems analysis of energy recovery from solid waste demonstrates the feasibility of several current processes for converting solid waste to an energy form. The social, legal, environmental, and political factors are considered in depth with recommendations made in regard to new legislation and policy. Biodegradation and thermal decomposition are the two areas of disposal that are considered with emphasis on thermal decomposition. A technical and economic evaluation of a number of available and developing energy-recovery processes is given. Based on present technical capabilities, use of prepared solid waste as a fuel supplemental to coal seems to be the most economic process by which to recover energy from solid waste. Markets are considered in detail with suggestions given for improving market conditions and for developing market stability. A decision procedure is given to aid a community in deciding on its options in dealing with solid waste, and a new pyrolysis process is suggested. An application of the methods of this study are applied to Houston, Texas.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-CR-2526 , S-443-VOL-2
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Solar power satellite: Analysis of alternatives for transporting material to geosynchronous orbit (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A systems design study of the alternative methods and relative merits of various approaches to transporting and assembling a solar power satellite in geosynchronous orbit was conducted. State of the art alternatives for chemical and electrical interorbital propulsion were studied, and several possible scenarios for construction were proposed.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: NASA-TM-X-74680
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Electrochemical generation of oxygen. 1: The effects of anions and cations on hydrogen chemisorption and anodic oxide film formation on platinum electrode. 2: The effects of anions and cations on oxygen generation on platinum electrode (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The effects were studied of anions and cations on hydrogen chemisorption and anodic oxide film formation on Pt by linear sweep voltammetry, and on oxygen generation on Pt by potentiostatic overpotential measurement. The hydrogen chemisorption and anodic oxide film formation regions are greatly influenced by anion adsorption. In acids, the strongly bound hydrogen occurs at more cathodic potential when chloride and sulfate are present. Sulfate affects the initial phase of oxide film formation by produced fine structure while chloride retards the oxide-film formation. In alkaline solutions, both strongly and weakly bound hydrogen are influenced by iodide, cyanide, and barium and calcium cations. These ions also influence the oxide film formation. Factors considered to explain these effects are discussed. The Tafel slope for oxygen generation was found to be independent on the oxide thickness and the presence of cations or anions. The catalytic activity indicated by the exchange current density was observed decreasing with increasing oxide layer thickness, only a minor dependence on the addition of certain cations and anions was found.
    Keywords: INORGANIC AND PHYSICAL CHEMISTRY
    Type: NASA-CR-148138
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Demand and supply of hydrogen as chemical feedstock in USA (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Projections are made for the demand and supply of hydrogen as chemical feedstock in USA. Industrial sectors considered are petroleum refining, ammonia synthesis, methanol production, isocyanate manufacture, edible oil processing, coal liquefaction, fuel cell electricity generation, and direct iron reduction. Presently, almost all the hydrogen required is produced by reforming of natural gas or petroleum fractions. Specific needs and emphases are recommended for future research and development to produce hydrogen from other sources to meet the requirements of these industrial sectors. The data and the recommendations summarized in this paper are based on the Workshop 'Supply and Demand of Hydrogen as Chemical Feedstock' held at the University of Houston on December 12-14, 1977.
    Keywords: ECONOMICS AND COST ANALYSIS
    Type: Hydrogen for energy distribution; Symposium; Jul 24, 1978 - Jul 28, 1978; Chicago, IL
    Format: text
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    NASA TECHNICAL REPORTS
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