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  • 1
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    Unknown
    Construction of an advanced software tool for planetary atmospheric modeling (1992)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Scientific model-building can be a time intensive and painstaking process, often involving the development of large complex computer programs. Despite the effort involved, scientific models cannot be distributed easily and shared with other scientists. In general, implemented scientific models are complicated, idiosyncratic, and difficult for anyone but the original scientist/programmer to understand. We propose to construct a scientific modeling software tool that serves as an aid to the scientist in developing, using and sharing models. The proposed tool will include an interactive intelligent graphical interface and a high-level domain-specific modeling language. As a test bed for this research, we propose to develop a software prototype in the domain of planetary atmospheric modeling.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: Colorado Univ., Applied Information Systems Research Program (AISRP). Workshop 2: Meeting Proceedings; 2 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Construction of an advanced software tool for planetary atmospheric modeling (1993)
    In:  Other Sources
    Details
    Publication Date: 2019-01-25
    Description: Scientific model-building can be a time intensive and painstaking process, often involving the development of large complex computer programs. Despite the effort involved, scientific models cannot be distributed easily and shared with other scientists. In general, implemented scientific models are complicated, idiosyncratic, and difficult for anyone but the original scientist/programmer to understand. We propose to construct a scientific modeling software tool that serves as an aid to the scientist in developing, using and sharing models. The proposed tool will include an interactive intelligent graphical interface and a high-level domain-specific modeling language. As a testbed for this research, we propose to develop a software prototype in the domain of planetary atmospheric modeling.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: Colorado Univ., Applied Information Systems Research Program (AISRP) Workshop 3 Meeting Proceedings; 1 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Reflective Silvered Polyimide Films Via In Situ Thermal Reduction Silver (I) Complexes (2000)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: Self-metallizing. flexible polyimide films with highly reflective surfaces are prepared by an in situ self-metallization procedure involving thermally initiated reduction of polymer-soluble silver(I) complexes. Polyamic acid solutions are doped with silver(I) acetate and solubilizing agents. Thermally curing the silver(I) doped resins leads to flexible. metallized films which have reflectivities as high as 100%. abrasion-resistant surfaces. thermal stability and, in some cases, electrical conductivity, rendering them useful for space applications.
    Keywords: Nonmetallic Materials
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Formation of Metallic Nanophases in Polymeric Matrices for Space Applications (1999)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: There are a select number of polyimides which are soluble in organic media. Incorporation of hexafluoroisopropylidene groups is a route to achieving solubility. Such fluorinated polyimides have desirable properties for processing and electronic purposes; however, they often have linear coefficients of thermal expansion (CTE) which are well above those for metals and inorganic oxides or ceramics with which they might be bonded. We have developed a synthesis of composite inorganic-polyimide films using diaquotris(2,4-pentane-dionato)lanthanam(III) as the inorganic precursor and two soluble polyimides formed from 2,2-bis(3,4- dicarboxyphenyl)hexafluoro-propane (6FDA) and 1,3-bis(3-aminophenoxy)benzene (APB) or 2,2-bis[4-(4-aminophenoxy)phenyllhexafluoropropane (4-BDAF). A primary goal of our work was to control the linear CTE in these fluorinated polymer composites without adversely affecting mechanical or other thermal properties.
    Keywords: Nonmetallic Materials
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Reflective Self-Metallizing Polyimide Films (1997)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: A silver organic complex, such as silver acetate, is solubilized in a polyamic acid resin or soluble polyimide solution using a suitable solvent such as hexafluoroacetyl acetone. The mixture is stable and can be applied to both flat and contoured surfaces. Application can be performed by casting, dip-coating, spraying, or other suitable techniques. In addition, the mixture can be cast or extruded as a polyimide film which is not applied to an underlying substrate. Upon curing, a flexible silver coated polyimide film is produced.
    Keywords: Nonmetallic Materials
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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