NASA Thesaurus

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National Aeronautics and Space Administration, Office of Technology Utilization, Scientific and Technical Information Division, 1976 - Aeronautics
 

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Page 73 - The energy required to break chemical, atomic, or molecular bonds. bioastronautics. The study of biological, behavioral, and medical problems pertaining to astronautics. This includes systems functioning in the environments expected to be found in space, vehicles designed to travel in space, and the conditions on celestial bodies other than on earth. biochemistry. Chemistry dealing with the chemical processes and compounds of living organisms. bioclimatology.
Page viii - The definitions and conventions employed in the development of this listing follow. Term Selection. Subject terms have been chosen on the basis of their significance and use in aerospace literature and their effectiveness in incorporating productive retrieval concepts. Particular consideration has been given to frequency of use in earlier NASA indexing and search vocabularies, to relationships with other terms in the vocabulary, and to precise scientific and technical usage. Grammatical Form. Subject...
Page 577 - RADIO WAVES . . . RADIO BURSTS .... SOLAR RADIO BURSTS TYPE 2 BURSTS TYPE 3 BURSTS TYPE 4 BURSTS TYPE 5 BURSTS . . . SOLAR RADIO EMISSION .... SOLAR RADIO BURSTS TYPE 2 BURSTS TYPE 3 BURSTS TYPE 4 BURSTS TYPE 5 BURSTS . . LONG WAVE...
Page vii - ... terms. The Access Vocabulary contains postable terms, nonpostable terms, pseudoterms, and other entry terms to provide multiple access to the NASA Thesaurus terminology. The Access Vocabulary contains 35,801 entry terms. The terminology of the NASA Thesaurus is based in large part on the actual indexing vocabulary developed by NASA during the sixties. Other thesauri, notably the DOD Thesaurus oj Engineering and Scientific Terms, (AD-672000), have provided additional candidate terms. The general...
Page viii - S (USE OF SPECTROSCOPIC TOOLS IN CHEMICAL ANALYSIS) Direct Entry. Subject terms that consist of more than one word are listed for direct entry, ie,, in their natural word order rather than in the inverted form. For example: ANALYTICAL CHEMI STRY. not CHEMI STRY, ANALYTICAL. Abbreviations and Acronyms. Abbreviations and acronyms that are in common use in the aerospace community are employed in this Thesaurus. In most cases USE cross references are made from the unabbreviated forms. For example: ORBITING...

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