Computer Representation Of The Stereochemistry Of Organic Molecules
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Computer Representation Of The Stereochemistry Of Organic Molecules
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Author : DAVIS
language : en
Publisher: Birkhäuser
Release Date : 2014-03-12
Computer Representation Of The Stereochemistry Of Organic Molecules written by DAVIS and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-12 with Science categories.
The role of the computer in the practice of organic chemistry has been firmly established over the past decade. Its uses as a large scale information storage and retrieval device in chemistry have been too numerous to mention. More recently, the applicability of computers to the problem of discovering valid and reasonable synthesis routes for organic molecules has been demonstrated. This has been both as an adjunct to the 1 chemist in the on-line interactive mode ,2,3 and also as a wholly computer-directed system seeking to simulate the intelligent prob- 4 lem-solving activity of the human organic synthetic chemist. ,5 In all of these computer applications to organic chemistry, it has been necessary to devise some computer-compatible repres- tation of an organic molecule that is both canonical and c- venient for table look-ups. This is in order that entities that have been constructed at different times under different circumstances can be identified and classified, with identical molecules being recognized as such even if their connection matrices list the elements of the molecule in different orders. E. J. Corey and W. T. Wipke, Science, 166, 178 (1969). 2 E. J. Corey, W. T. Wipke, R. D. Cramer III and W. J. Howe, J. Americ. Chern. Soc. , 94, 421 (1972) and 431 (1972). 3 E. J. Corey, R. D. Cramer III and W. J. Howe, ~. Americ. Chern. Soc. , 94, 440 (1972). 4 H. L. Gelernter, N. S. Sridharan and A. J.
Computer Representation Of The Stereochemistry Of Organic Molecules
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Author : Henry W. Davis
language : en
Publisher:
Release Date : 1976
Computer Representation Of The Stereochemistry Of Organic Molecules written by Henry W. Davis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
Seriation By Children
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Author : YOUNG
language : en
Publisher: Birkhäuser
Release Date : 1976-01-01
Seriation By Children written by YOUNG and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976-01-01 with Science categories.
A four year old child sits in front of a heap of wooden blocks and tries to stand them in a straight line in order of size. There is no doubt that he understands the task, for he can distinguish between correct and incorrect solutions. Yet no matter how he arranges and rearranges the blocks, they seem obstinately to refuse to be aligned into the desired staircase like pattern. A year later he does much better: he can seriate six blocks differing in length by about an inch. But faced with eight of the blocks, or with six blocks differing by only half an inch, he is again unable to complete the task. He manages to build an ordered line, but leaves out one or two of the blocks: or perhaps he organises the blocks into two distinct lines and then finds himself unable to combine them. A year later still and he is now an accomplished performer. Presented with any seriation task involving the wooden blocks he carries it out smoothly, confidently, and correctly [1].
Computer Representation Of The Stereochemical Features Of Organic Molecules
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Author : Henry W. Davis
language : en
Publisher:
Release Date : 1974
Computer Representation Of The Stereochemical Features Of Organic Molecules written by Henry W. Davis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Chemistry, Organic categories.
Computer Representation Of The Stereochemistry Of Organic Molecules
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Author : DAVIS
language : en
Publisher: Birkhäuser
Release Date : 2013-11-11
Computer Representation Of The Stereochemistry Of Organic Molecules written by DAVIS and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
The role of the computer in the practice of organic chemistry has been firmly established over the past decade. Its uses as a large scale information storage and retrieval device in chemistry have been too numerous to mention. More recently, the applicability of computers to the problem of discovering valid and reasonable synthesis routes for organic molecules has been demonstrated. This has been both as an adjunct to the 1 chemist in the on-line interactive mode ,2,3 and also as a wholly computer-directed system seeking to simulate the intelligent prob- 4 lem-solving activity of the human organic synthetic chemist. ,5 In all of these computer applications to organic chemistry, it has been necessary to devise some computer-compatible repres- tation of an organic molecule that is both canonical and c- venient for table look-ups. This is in order that entities that have been constructed at different times under different circumstances can be identified and classified, with identical molecules being recognized as such even if their connection matrices list the elements of the molecule in different orders. E. J. Corey and W. T. Wipke, Science, 166, 178 (1969). 2 E. J. Corey, W. T. Wipke, R. D. Cramer III and W. J. Howe, J. Americ. Chern. Soc. , 94, 421 (1972) and 431 (1972). 3 E. J. Corey, R. D. Cramer III and W. J. Howe, ~. Americ. Chern. Soc. , 94, 440 (1972). 4 H. L. Gelernter, N. S. Sridharan and A. J.
Mathematical Stereochemistry
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Author : Shinsaku Fujita
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2021-09-20
Mathematical Stereochemistry written by Shinsaku Fujita and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-20 with Science categories.
Chirality and stereogenicity are closely related concepts and their differentiation and description is still a challenge in chemoinformatics. In his 2015 book, Fujita developed a new stereoisogram approach that provided theoretical framework for mathematical aspects of modern stereochemistry. This new edition includes a new chapter on Computer-Oriented Representations developed by the author based on Groups, Algorithms, Programming (GAP) system.
Stereochemistry Of Organic Compounds
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Author : Ernest L. Eliel
language : en
Publisher: John Wiley & Sons
Release Date : 1994-09-28
Stereochemistry Of Organic Compounds written by Ernest L. Eliel and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-09-28 with Science categories.
Stereochemistry of Organic Compounds The first fully referenced, comprehensive book on this subject in more than thirty years, Stereochemistry of Organic Compounds contains up-to-date coverage and insightful exposition of all important new concepts, developments, and tools in the rapidly advancing field of stereochemistry, including: * Asymmetric and diastereoselective synthesis * Conformational analysis * Properties of enantiomers and racemates * Separation and analysis of enantiomers and diastereoisomers * Developments in spectroscopy (including NMR), chromatography, and molecular mechanics as applied to stereochemistry * Prostereoisomerism * Conceptual foundations of stereochemistry, including terminology and symmetry concepts * Chiroptical properties Written by the leading authorities in the field, the text includes more than 4,000 references, 1,000 illustrations, and a glossary of stereochemical terms.
Topics In Inorganic And Organometallic Stereochemistry
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Author : Gregory L. Geoffroy
language : en
Publisher: John Wiley & Sons
Release Date : 2009-09-17
Topics In Inorganic And Organometallic Stereochemistry written by Gregory L. Geoffroy and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-17 with Science categories.
This volume is devoted entirely to inorganic and organometallic stereochemical subjects. Discusses the systematic notations that have been developed to satisfy the needs for a rational and systematic stereochemical nomenclature. Reviews the stereochemical aspects of the changes of bonding at carbon centers induced by metals, either catalytically or stoiciometrically. Also reviews the major achievements in current stereochemical research—the synthesis of asymmetric compounds mediated by transition metals. Discusses the structures of transition metal carbonyl clusters, summarizing recent progress in this expanding area and providing a semiquantitative rationalization of the structures for these clusters.
Computer Recognition Of Human Faces
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Author : KANADE
language : en
Publisher: Birkhäuser
Release Date : 2013-12-01
Computer Recognition Of Human Faces written by KANADE and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-01 with Science categories.
Picture processing by computer has found its application in various fields. Character recognition has shown the most practical success. Furthermore, the techniques span much more sophisticated applications such as interpretation of biomedical images and X-ray films, measurement of images in nuclear physics, processing of a large volume of pictorial data sent from the satellites, etc. The particular problem attacked in this thesis is computer analysis and identification of human faces. Pictures of human faces are successfully analyzed by a computer program which extracts face feature points, such as nose, mouth, eyes, and so on. The program was tested with more than 800 photographs The research has been done with main emphasis on the method of how to incorporate the picture structures into the picture anlysis program. The success of the program is due to the employment of a flexible picture analysis scheme with feedbacks, which will be described in the next chapter. An experiment on face identification of 20 people was also conducted. I-1. Picture Analysis and Recognition- New Aspects When shown the pictures of the human face of Fig. 1-1, we can immediately tell the positions of the nose, mouth and eyes; and more- over, we can say that both pictures surely portray the same person. Picture analysis and recognition by computer concerns itself with this type of two-dimensional image processing. In this thesis, I selected human-face pictures as objects of processing.
Motivation And Intentionality In A Computer Simulation Model Of Paranoia
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Author : FAUGHT
language : en
Publisher: Birkhäuser
Release Date : 2013-12-01
Motivation And Intentionality In A Computer Simulation Model Of Paranoia written by FAUGHT and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-01 with Science categories.