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Author : Ethel C. Marden
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Survey of Computer Programs for Chemical Information Searching written by Ethel C. Marden and published by . This book was released on 1961 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ethel C. Marden
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Survey of Computer Programs for Chemical Information Searching written by Ethel C. Marden and published by . This book was released on 1961 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors describe twelve computer systems for searching chemical literature. Preceding discussion of the computer systems, a brief description is given of different chemical notation systems, indexing and abstracting procedures, punched card systems (which were the forerunners of the computer systems), and special purpose literature searching machines. A short discussion of the difficulties (linguistic and other) attendant to literature searching terminates the paper.
Author : Ethel C Koller Herbert R Marden
Publisher : Hassell Street Press
ISBN 13 : 9781019364710
Total Pages : 0 pages
Book Rating : 4.3/5 (647 download)
Download or read book A Survey of Computer Programs for Chemical Information Searching; NBS Technical Note 85 written by Ethel C Koller Herbert R Marden and published by Hassell Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive survey provides a detailed review of the computer programs that are used for chemical information searching. Featuring in-depth analyses of the most popular programs, this book is an invaluable resource for researchers and scientists who need to stay up-to-date with the latest tools and techniques. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author :
Publisher :
ISBN 13 :
Total Pages : 470 pages
Book Rating : 4.:/5 (31 download)
Download or read book Science Information News written by and published by . This book was released on 1961 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.F/5 ( download)
Download or read book Scientific Information Notes written by and published by . This book was released on 1960 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. Senate. Committee on the Judiciary
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.A/5 ( download)
Download or read book U.S. Patent Office Research and Development Program written by United States. Congress. Senate. Committee on the Judiciary and published by . This book was released on 1963 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ethel C. Marden
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (31 download)
Download or read book HAYSTAQ written by Ethel C. Marden and published by . This book was released on 1965 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: HAYSTAQ is a comprehensive computer system for searching chemical information and is particularly directed toward the stringent requirements of the U. S. Patent Office. The greatest activity to date has been in the design of a satisfactory method to search for chemical structures. A structure diagram is considered as a network, where the atoms or functional groups are the nodes and the bonds between them the links. The search algorithm consists of attempting to match, via a topological tracing, a question network (structure) against each structure in the file of chemical compounds stored on magnetic tape. The structure search includes provision for Markush structures and other generic concepts. Each of 385 questions was matched against a file of 2,400 entries containing (because of the Markush feature) effectively 162,000 compounds. The continuation of this work includes the use of the Hayward linear notation as input and extension of the search routines to other kinds of information associated with chemical structures. (Author).
Author : United States. Congress. Senate. Committee on Government Operations
Publisher :
ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.E/5 ( download)
Download or read book Interagency Coordination in Drug Research and Regulation written by United States. Congress. Senate. Committee on Government Operations and published by . This book was released on 1963 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (3 download)
Download or read book NBS Technical Note written by and published by . This book was released on 1965 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. Senate. Committee on Government Operations. Subcommittee on Reorganization and International Organizations
Publisher :
ISBN 13 :
Total Pages : 1320 pages
Book Rating : 4.:/5 (319 download)
Download or read book Interagency Coordination in Drug Research and Regulation written by United States. Congress. Senate. Committee on Government Operations. Subcommittee on Reorganization and International Organizations and published by . This book was released on 1963 with total page 1320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews cooperative efforts among Federal and international agencies responsible for medical research on experimental drugs and regulation of pharmaceutical industry marketing practices. Includes review of thalidomide marketing and use.
Author : United States. Department of the Interior. Library
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mechanized Bibliography of Documentation and Information Sciences Supplement Number 1 written by United States. Department of the Interior. Library and published by . This book was released on 1967 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard Conger Powell
Publisher :
ISBN 13 :
Total Pages : 734 pages
Book Rating : 4.F/5 ( download)
Download or read book Accuracy in Electrical and Radio Measurements and Calibrations, 1965 written by Richard Conger Powell and published by . This book was released on 1965 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.F/5 ( download)
Download or read book Current Research and Development in Scientific Documentation written by and published by . This book was released on 1962 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William A. Wildhack
Publisher :
ISBN 13 :
Total Pages : 720 pages
Book Rating : 4.3/5 (91 download)
Download or read book Accuracy in Measurements and Calibrations, 1965 written by William A. Wildhack and published by . This book was released on 1965 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: NBS estimates of uncertainties associated with physical measurements, and with some NBS calibration services, are shown by 66 provisional 'accuracy charts.'Each chart is accompanied by a facing page giving a brief statement of the state of the art and tentative plans for NBS * work in areas where improvement is needed. (Author).
Author : United States. Congress. Senate. Committee on the Judiciary
Publisher :
ISBN 13 :
Total Pages : 1512 pages
Book Rating : 4.:/5 (36 download)
Download or read book Hearings, Reports and Prints of the Senate Committee on the Judiciary written by United States. Congress. Senate. Committee on the Judiciary and published by . This book was released on 1964 with total page 1512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House
Publisher :
ISBN 13 :
Total Pages : 1260 pages
Book Rating : 4.3/5 (511 download)
Download or read book Hearings written by United States. Congress. House and published by . This book was released on 1962 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Science and Astronautics
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.0/5 (5 download)
Download or read book National Science Foundation Briefing written by United States. Congress. House. Committee on Science and Astronautics and published by . This book was released on 1962 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
