A New Sequential Enumeration and Line Formula Notation System for Organic Compounds

A New Sequential Enumeration and Line Formula Notation System for Organic Compounds PDF Author: H. Winston Hayward
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages : 120

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A New Sequential Enumeration and Line Formula Notation System for Organic Compounds

A New Sequential Enumeration and Line Formula Notation System for Organic Compounds PDF Author: H. Winston Hayward
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages : 120

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Journal of Research of the National Bureau of Standards

Journal of Research of the National Bureau of Standards PDF Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 700

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Psychotropic Durgs and Related Compounds

Psychotropic Durgs and Related Compounds PDF Author: National Institute of Mental Health (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 808

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Psychotropic Drugs and Related Compounds

Psychotropic Drugs and Related Compounds PDF Author: Earl Usdin
Publisher:
ISBN:
Category : Psychopharmacology
Languages : en
Pages : 812

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Official Gazette of the United States Patent Office

Official Gazette of the United States Patent Office PDF Author: United States. Patent Office
Publisher:
ISBN:
Category : Patents
Languages : en
Pages : 1594

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Encyclopedia of Library and Information Science

Encyclopedia of Library and Information Science PDF Author: Allen Kent
Publisher: CRC Press
ISBN: 9780824722777
Category : Language Arts & Disciplines
Languages : en
Pages : 404

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"The Encyclopedia of Library and Information Science provides an outstanding resource in 33 published volumes with 2 helpful indexes. This thorough reference set--written by 1300 eminent, international experts--offers librarians, information/computer scientists, bibliographers, documentalists, systems analysts, and students, convenient access to the techniques and tools of both library and information science. Impeccably researched, cross referenced, alphabetized by subject, and generously illustrated, the Encyclopedia of Library and Information Science integrates the essential theoretical and practical information accumulating in this rapidly growing field."

Current Research and Development in Scientific Documentation

Current Research and Development in Scientific Documentation PDF Author:
Publisher:
ISBN:
Category : Documentation
Languages : en
Pages : 934

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Current Research and Development in Scientific Documentation

Current Research and Development in Scientific Documentation PDF Author: National Science Foundation (U.S.). Office of Scientific Information
Publisher:
ISBN:
Category :
Languages : en
Pages : 956

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HAYSTAQ

HAYSTAQ PDF Author: Ethel C. Marden
Publisher:
ISBN:
Category : Information storage and retrieval systems
Languages : en
Pages : 64

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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).

NBS Technical Note

NBS Technical Note PDF Author:
Publisher:
ISBN:
Category : Physical instruments
Languages : en
Pages : 66

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