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VOLUME 29 1991 ACC. NOS. N91-10001 TO N91-33053 STAR AN ABSTRACT JOURNAL i ie ; ey S - . i ib ae ae - { ~ : = _ foaegel l ie Scientific and Technical Aerospace Reports (STAR) is an abstract journal that pro- vides comprehensive coverage of worldwide aerospace-related reports. It is a major product of the International Aerospace Database managed by the NASA Scientific and Technical Information (ST1) Program. The coverage includes reports on aeronautics, space, and supporting disciplines. STAR lists current, publicly available reports entered into the NASA STI Database during the 2-week period preceding publication. A typical citation and abstract appear on page viii. They explain how to read the items that are announced in this journal. NASA sponsors a companicn journal, /nternational Aerospace Abstracts (IAA), that lists abstracts of the open literature on aerospace subjects available worldwide. /AA is available through the American institute of Aeronautics and Astronautics. Entries found in STAR and JAA are available through NASA‘s online service, RECON, as the International Aerospace Database and through DIALOG as the Aerospace Database. Information on aerospace and related subjects is gathered by the NASA STI Program through national and international agreements and exchanges and is made available to the NASA community as well as to the public in many forms through various outlets. The section on NASA STI Program Products and Services contains additional information. US ISSN 0036-8741 For sale by the U.S. Government Printing Office Superintendent of Documents, Mail Stop: SSOP, Washington, DC 20402-9328 ISBN 0-16-037889-3 SPECIAL NOTICE The abstract sections of the semimonthly STAA journals can be bound separately. Individual abstracts can be located readily by means of the page numbers given at each entry, e.g., p 2401. To assist the user in binding STAR Volume 29, four (4) title pages are included in the back of Part 1 of the Annual Index. VOLUME 29 NUMBERS 1-24 Scientific and Technical Aerospace Reports Annual Index (Part 1) January—December 1991 TABLE OF CONTENTS PART | Introduction Subject Index PART II Introduction Personal Author Index Corporate Source Index Contract Number Index Report/Accession Number Index INTRODUCTION WHAT STAR ANNUAL INDEXES ARE This Annual Index is an edited consolidation of the indexes to the individual issues of Scientific and Technical Aerospace Reports (STAR) for the calendar year 1991 (Volume 29 Numbers 1 through 24). For the convenience of the user, it is divided into two parts, each bound separately. Part 1 contains the Subject Index. Part Il contains the Personal Author Index, Corporate Source Index, Contract Number Index, and Report/Accession Number Index. The Annual Index supersedes the semimonthly indexes previously issued during 1991. Each entry in this index includes a group of identifying numbers in the following form: 15 p. 2401 N91-23297. The first two digits (15) identify the issue in which the document was announced. The “p” and the four digits that follow (2401) refer to the page number, in the designated issue, on which the abstract of the document appears. The next group of numbers (N91-23297) is the NASA Accession Number, a unique identification number assigned by NASA to each document that was acquired, indexed, and announce in STAR during the year. In addition to these identifying numbers each entry in the Subject Index contains a title, or title and title extension. Each entry in the Personal Author was Corporate Source Indexes contains the title. At the beginning of each index in this cumulation, a typical listing is illustrated with each of its elements identified to assist the reader in using the different types of index entries. HOW TO USE THE SUBJECT INDEX Subject terms in this cumulative index are arranged alphebetically, and are supplemented with cross- references which are intended to serve as directions that will enable the user to modify, enlarge, or narrow his search in accordance with his specific interest. The subject headings have been selected from the latest revision of the NASA Thesaurus. Two types of cross-references are used: 1. Use (U) references direct the user to alternate headings under which materials on the subject may be found. For example: ANNULAR JETS U ANNULAR FLOW U JET FLOW COLUMBIUM U NIOBIUM 2. Narrower Term (NT) references refer the user to more specific headings in the same subject area, under which additional material on the subjects may be found. For example: EMISSION NT ELECTRON EMISSION NT NEUTRON EMISSION NT THERMAL EMISSION Finally, a searcher should use the titles and title extensions in the index to narrow further his quest for particular items. This is because subject terms can readily refer to more than one class of document. For example: CATHODES Cesium plasma cathodes as sources of high intensity electron beams Cathode material testing in electrochemical half cells This illustrates a case where two references on different topics are listed under the same subject term. HOW TO USE THE PERSONAL AUTHOR INDEX All personal authors identified in the abstract-section citations in the individual STAR issues appear in this index. Differences in transliteration schemes may require multiple searching of the index for variants of an author’s name. For example: EMELIANOV, M. D. YEMELYANOV, M. D. HOW TO USE THE CORPORATE SOURCE INDEX The corporate source index entries are abridged versions of the corporate sources used in the abstract-section citations in the individual issue supplements. The corporate source supplementary (organizational component) does not appear in the index. For example: PRINCETON UNIV., N.J. DEPT. OF CHEMICAL ENGINEERING. (Corporate source at citation) PRINCETON UNIV., N.J. (Corporate source index entry) HOW TO USE THE CONTRACT NUMBER INDEX All contract numbers that are identified in the abstract-section citations in the individual STAR issues appear in this index. Changes by agencies in the style in which contract numbers are presented may require multiple searching for variants. For example: AF 33(615)-67-C-1758 F33615-67-C-1758 HOW TO USE THE REPORT/ACCESSION NUMBER INDEX All report numbers that have been assigned by the corporate source, monitoring activity, or cataloging activity appear in this index. Variations in initial input may result in different report number series. For example: TP-924 ONERA-TP-924 A COMPREHENSIVE INFORMATION SERVICE The National Aeronautics and Space Administration makes the results of worldwide research and development activities in aeronautics, space, and supporting disciplines promptly available to partici- pants in its program. NASA’s scientific and technical information system now contains over three million documents, which are abstracted, indexed, and obtained through retrieval and -issemination services. These services which include the abstract journal, Scientific and Technical Aerospace Reports (STAR), are described fully in a bulletin, The NASA Scientific and Technical Information System... and How to Use It, available at no charge from the NASA Center for AeroSpace information, P.O. Box 8757, Baltimore, MD 21240-0757. AVAILABILITY OF DOCUMENTS Information concerning the availability of documents announced in the STAR issues covered in this index is found in the introduction to the most currently issued semimonthly issue.