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  • COMPUTER PROGRAMMING AND SOFTWARE  (2)
  • Periplaneta americana  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Electrically excitable nerve cell bodies in the central ganglia of two insect species Periplaneta americana and Schistocerca gregaria. Investigation of cell geometry and morphology by intracellular dye injection
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part A: Physiology 40 (1971), S. 579-582+IN1-IN2+583-594 
    Details
    ISSN: 0300-9629
    Keywords: Electrical excitability ; Periplaneta americana ; Procion dye ; Schistocerca gregaria ; cell geometry ; cell morphology ; cockroach ; insect central nervous system ; intracellular dye injection ; locust ; marking cells ; nerve cell bodies ; neuroanatomy
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0300-9629(71)90242-8
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    The pharmacology of α-bungarotoxin-resistant acetylcholine receptors on an identified cockroach motoneurone (1993)
    Springer
    Journal of comparative physiology 172 (1993), S. 359-368 
    Details
    ISSN: 1432-1351
    Keywords: Acetylcholine receptors ; Muscarinic ; Nicotinic ; Cockroach ; Periplaneta americana
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The effects of a number of cholinergic agonists and antagonists have been examined on the cell body of the fast coxal depressor (Df) of the cockroach Periplaneta americana using voltage-clamp techniques. Acetylcholine (ACh), when applied to this neurone voltage-clamped at its normal resting potential, results in the generation of an inward current through the activation of receptors which are blocked by α-bungarotoxin (α-bgt). At more depolarized membrane potentials acetylcholine induces an inward current which is strongly voltage-dependent and which is insensitive to α-bgt. An α-bgt-resistant current is also induced by the application of a number of cholinergic agonists. In order of potency these are: decamethonium〉oxotremorine = McN-A-343 = (+)-muscarine = arecaidine propargyl ester 〉nicotine 〉ACh. This α-bgt-resistant response to cholinergic agonists is blocked by a range of antagonists. In order of potency these are : decamethonium 〉pirenzipine 〉quinuclidinyl benzilate = atropine = p-f-hexahydro-sila-difenidol = dexetimide 〉scopolamine = methoctramine. The receptors mediating this response have been termed ‘mixed cholinergic’ due to their sensitivity to both nicotinic and muscarinic ligands. Pharmacological similarities between these ‘mixed’ receptors and binding components found in high speed supernatant fractions of insect nervous tissue are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216618
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    Paper (German National Licenses)
    Fulltext
  • 3
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    The advanced software development workstation project (1991)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The Advanced Software Development Workstation (ASDW) task is researching and developing the technologies required to support Computer Aided Software Engineering (CASE) with the emphasis on those advanced methods, tools, and processes that will be of benefit to support all NASA programs. Immediate goals are to provide research and prototype tools that will increase productivity, in the near term, in projects such as the Software Support Environment (SSE), the Space Station Control Center (SSCC), and the Flight Analysis and Design System (FADS) which will be used to support the Space Shuttle and Space Station Freedom. Goals also include providing technology for development, evolution, maintenance, and operations. The technologies under research and development in the ASDW project are targeted to provide productivity enhancements during the software life cycle phase of enterprise and information system modeling, requirements generation and analysis, system design and coding, and system use and maintenance. On-line user's guides will assist users in operating the developed information system with knowledge base expert assistance.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: Fourth Annual Workshop on Space Operations Applications and Research (SOAR 90); p 477-480
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    The development and technology transfer of software engineering technology at NASA. Johnson Space Center (1992)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The United State's big space projects of the next decades, such as Space Station and the Human Exploration Initiative, will need the development of many millions of lines of mission critical software. NASA-Johnson (JSC) is identifying and developing some of the Computer Aided Software Engineering (CASE) technology that NASA will need to build these future software systems. The goal is to improve the quality and the productivity of large software development projects. New trends are outlined in CASE technology and how the Software Technology Branch (STB) at JSC is endeavoring to provide some of these CASE solutions for NASA is described. Key software technology components include knowledge-based systems, software reusability, user interface technology, reengineering environments, management systems for the software development process, software cost models, repository technology, and open, integrated CASE environment frameworks. The paper presents the status and long-term expectations for CASE products. The STB's Reengineering Application Project (REAP), Advanced Software Development Workstation (ASDW) project, and software development cost model (COSTMODL) project are then discussed. Some of the general difficulties of technology transfer are introduced, and a process developed by STB for CASE technology insertion is described.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: Fifth Annual Workshop on Space Operations Applications and Research (SOAR 1991), Volume 1; p 152-162
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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