Aromaticity Pseudo Aromaticity Anti Aromaticity Proceedings Of An International Symposium Held In Jerusalem 31 March 3 April 1970

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Aromaticity and Antiaromaticity

Author : Miquel Solà
Publisher : John Wiley & Sons
ISBN 13 : 1119085918
Total Pages : 324 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Aromaticity and Antiaromaticity by : Miquel Solà

Download or read book Aromaticity and Antiaromaticity written by Miquel Solà and published by John Wiley & Sons. This book was released on 2022-10-14 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aromaticity and Antiaromaticity A comprehensive review of the science of aromaticity, as well as its evolution, from benzene to atomic clusters In Aromaticity and Antiaromaticity: Concepts and Applications, a team of accomplished chemists delivers a comprehensive exploration of the evolution and critical aspects of aromaticity. The book examines the new global criteria used to evaluate aromaticity, including the Nucleus Independent Chemical Shift (NICS) index and the electronic indices based on electronic properties. Additional discussions of inorganic aromatic compounds developed in this century, which give rise to new concepts like multifold aromaticity, are included. Three-dimensional aromaticity found in fullerenes and nanotubes, Möbius aromaticity present in some annulenes, and excited state aromaticity are explored as well. This volume explores the geometrical, electronic, magnetic, and thermodynamic characteristics of aromatic and antiaromatic compounds and their reactivity properties. It also provides: A thorough historical overview of aromaticity, as well as simple electronic and structural models Comprehensive explorations of organic and inorganic aromatic compounds, concepts of stability and reactivity, and geometric, energetic, magnetic, and electronic criteria of descriptors of aromaticity Practical discussions of heteroaromaticity, as well as Möbius aromaticity and excited state aromaticity In-depth examinations of sigma, pi, delta, and phi aromaticity Perfect for graduate students, researchers, and academics interested in aromaticity, organometallic chemistry, and computational chemistry, Aromaticity and Antiaromaticity: Concepts and Applications will also earn a place in the libraries of professionals and researchers working in organic, inorganic, and physical chemistry.

"Aromaticity, Pseudo-aromaticity, Anti-aromaticity"

Author : Ernst David Bergmann
Publisher : Israel Academy of Sciences and Humanities
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis "Aromaticity, Pseudo-aromaticity, Anti-aromaticity" by : Ernst David Bergmann

Download or read book "Aromaticity, Pseudo-aromaticity, Anti-aromaticity" written by Ernst David Bergmann and published by Israel Academy of Sciences and Humanities. This book was released on 1971 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Making 20th Century Science

Author : Stephen G. Brush
Publisher : Oxford University Press, USA
ISBN 13 : 0199978158
Total Pages : 553 pages
Book Rating : 4.1/5 (999 download)

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Book Synopsis Making 20th Century Science by : Stephen G. Brush

Download or read book Making 20th Century Science written by Stephen G. Brush and published by Oxford University Press, USA. This book was released on 2015 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, the scientific method has been said to require proposing a theory, making a prediction of something not already known, testing the prediction, and giving up the theory (or substantially changing it) if it fails the test. A theory that leads to several successful predictions is more likely to be accepted than one that only explains what is already known but not understood. This process is widely treated as the conventional method of achieving scientific progress, and was used throughout the twentieth century as the standard route to discovery and experimentation. But does science really work this way? In Making 20th Century Science, Stephen G. Brush discusses this question, as it relates to the development of science throughout the last century. Answering this question requires both a philosophically and historically scientific approach, and Brush blends the two in order to take a close look at how scientific methodology has developed. Several cases from the history of modern physical and biological science are examined, including Mendeleev's Periodic Law, Kekule's structure for benzene, the light-quantum hypothesis, quantum mechanics, chromosome theory, and natural selection. In general it is found that theories are accepted for a combination of successful predictions and better explanations of old facts. Making 20th Century Science is a large-scale historical look at the implementation of the scientific method, and how scientific theories come to be accepted.

国立国会図書館所蔵科学技術関係欧文会議錄目錄

Author : 国立国会図書館 (Japan)
Publisher :
ISBN 13 :
Total Pages : 662 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis 国立国会図書館所蔵科学技術関係欧文会議錄目錄 by : 国立国会図書館 (Japan)

Download or read book 国立国会図書館所蔵科学技術関係欧文会議錄目錄 written by 国立国会図書館 (Japan) and published by . This book was released on 1983 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Magnetic Resonance

Author : Leonidas Petrakis
Publisher : Springer Science & Business Media
ISBN 13 : 9400963785
Total Pages : 800 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Magnetic Resonance by : Leonidas Petrakis

Download or read book Magnetic Resonance written by Leonidas Petrakis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the lectures presented at an Advanced Study Institute on "Magnetic Resonance Techniques in Fossil Energy Problems," which was held at the village of Maleme, Crete, in July of 1983. As of this writing, a different popular attitude prevails from that when the ASI was proposed as far as how critical the world energy picture is. In the popular press, a panglossian attitude (the "petroleum glut" of the 80's) has replaced the jeremiads of the 70's ( a catastrophic "energy crisis"). Yet, there are certain important constants: (a) for the foreseeable future, fossil energy sources (petroleum, coal, oil shale, etc. ) will continue to be of paramount importance; and (b) science and technology of the highest order are needed to extend the fossil ener~y resource base and to utilize it in a cost-effective manner that is also environmentally acceptable. It is precisely this second item that this volume addresses. The volume introduces the phenomenology of magnetic resonance ~n a unified and detailed manner, starting from the behavior of spins in a magnetic field and proceeding to a density matrix consideration of the phenomena involved. The various important parameters of NMR and EPR are discussed in detail, as well as their significance and the information that may be obtained from their proper consideration. Advanced topics are then considered, including line-broadening interactions, coherent averaging and multiple quantum methods in NMR, ENDOR, electron spin echoes, dynamic nuclear polarization. problems of quantifi cation, 2-Dimensional N}1R, Mossbauer, and instrumentation.

Library of Congress Catalog

Author : Library of Congress
Publisher :
ISBN 13 :
Total Pages : 650 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Library of Congress Catalog by : Library of Congress

Download or read book Library of Congress Catalog written by Library of Congress and published by . This book was released on 1970 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Library of Congress Catalogs

Author : Library of Congress
Publisher :
ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Library of Congress Catalogs by : Library of Congress

Download or read book Library of Congress Catalogs written by Library of Congress and published by . This book was released on 1976 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Grants and Awards for the Fiscal Year Ended ...

Author : National Science Foundation (U.S.)
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Grants and Awards for the Fiscal Year Ended ... by : National Science Foundation (U.S.)

Download or read book Grants and Awards for the Fiscal Year Ended ... written by National Science Foundation (U.S.) and published by . This book was released on 1968 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:

新收洋書総合目錄

Author :
Publisher :
ISBN 13 :
Total Pages : 1404 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis 新收洋書総合目錄 by :

Download or read book 新收洋書総合目錄 written by and published by . This book was released on 1976 with total page 1404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NSF Factbook

Author : Alvin Renetzky
Publisher :
ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.X/5 (2 download)

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Book Synopsis NSF Factbook by : Alvin Renetzky

Download or read book NSF Factbook written by Alvin Renetzky and published by . This book was released on 1971 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains data about National Science Foundation grants and awards, personnel and committees, support programs, legislation, and career opportunities. Subject index.

Quantum Aspects of Heterocyclic Compounds in Chemistry and Biochemistry

Author : Ernst David Bergmann
Publisher : Israel Academy of Sciences and Humanities
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Quantum Aspects of Heterocyclic Compounds in Chemistry and Biochemistry by : Ernst David Bergmann

Download or read book Quantum Aspects of Heterocyclic Compounds in Chemistry and Biochemistry written by Ernst David Bergmann and published by Israel Academy of Sciences and Humanities. This book was released on 1970 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cosmetic and Pharmaceutical Applications of Polymers

Author : T. Cheng
Publisher : Springer Science & Business Media
ISBN 13 : 1461538580
Total Pages : 409 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Cosmetic and Pharmaceutical Applications of Polymers by : T. Cheng

Download or read book Cosmetic and Pharmaceutical Applications of Polymers written by T. Cheng and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymers continue to show almost amazing versatility. We have always known that polymers could be used for trinkets, toys and dishes. Now, however, we are no longer surprised to encounter these adaptable mate rials in almost every place we look. We find them in our cars, tools, electronic devices, building materials, etc. The use of polymeric mate rials in medicine is also well documented in previous books by one of the Editors (Gebelein) and by others. Likewise, the use of polymeric mate rials in pharmaceutical applications, especially in controlled release systems, is also well established. Nevertheless, the use of these ubiquitous chemicals is far less ob vious in the field of cosmetics, although modern cosmetic preparations rely heavily on polymers and this trend is certain to increase. This book brings together much of the basic information on polymers in cosmetics and compares this usage with similar applications in pharmaceutical and medical applications. Cosmetics, like medicine and pharmacy, dates back to antiquity. We can find uses of perfumes, balms and ointments in various old books, such as the Bible. For example, the use of ointments and balms is noted more than thirty eight times, and perfumes and related materials are cited at least twenty nine times in the Bible.

Recent Progress in Slow Sand and Alternative Biofiltration Processes

Author : Rolf Gimbel
Publisher : IWA Publishing
ISBN 13 : 1843391201
Total Pages : 580 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis Recent Progress in Slow Sand and Alternative Biofiltration Processes by : Rolf Gimbel

Download or read book Recent Progress in Slow Sand and Alternative Biofiltration Processes written by Rolf Gimbel and published by IWA Publishing. This book was released on 2006-03-31 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Slow sand filtration is typically cited as being the first "engineered" process in drinking-water treatment. Proven modifications to the conventional slow sand filtration process, the awareness of induced biological activity in riverbank filtration systems, and the growth of oxidant-induced biological removals in more rapid-rate filters (e.g. biological activated carbon) demonstrate the renaissance of biofiltration as a treatment process that remains viable for both small, rural communities and major cities. Biofiltration is expected to become even more common in the future as efforts intensify to decrease the presence of disease-causing microorganisms and disinfection by-products in drinking water, to minimize microbial regrowth potential in distribution systems, and where operator skill levels are emphasized. Recent Progress in Slow Sand and Alternative Biofiltration Processes provides a state-of-the-art assessment on a variety of biofiltration systems from studies conducted around the world. The authors collectively represent a perspective from 23 countries and include academics, biofiltration system users, designers, and manufacturers. It provides an up-to-date perspective on the physical, chemical, biological, and operational factors affecting the performance of slow sand filtration (SSF), riverbank filtration (RBF), soil-aquifer treatment (SAT), and biological activated carbon (BAC) processes. The main themes are: comparable overviews of biofiltration systems; slow sand filtration process behavior, treatment performance and process developments; and alternative biofiltration process behaviors, treatment performances, and process developments.

Applications of Electronic Structure Theory

Author : Henry Schaefer
Publisher : Springer Science & Business Media
ISBN 13 : 1468485415
Total Pages : 470 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Applications of Electronic Structure Theory by : Henry Schaefer

Download or read book Applications of Electronic Structure Theory written by Henry Schaefer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: These two volumes deal with the quantum theory of the electronic structure of ab initio is the notion that approximate solutions molecules. Implicit in the term of Schrodinger's equation are sought "from the beginning," i. e. , without recourse to experimental data. From a more pragmatic viewpoint, the distin guishing feature of ab initio theory is usually the fact that no approximations are involved in the evaluation of the required molecular integrals. Consistent with current activity in the field, the first of these two volumes contains chapters dealing with methods per se, while the second concerns the application of these methods to problems of chemical interest. In a sense, the motivation for these volumes has been the spectacular recent success of ab initio theory in resolving important chemical questions. However, these applications have only become possible through the less visible but equally important efforts of those developing new theoretical and computational methods and models. Henry F. Schaefer vii Contents Contents of Volume 3 xv Chapter 1. A Priori Geometry Predictions 1. A. Pople 1. Introduction . . . . . . . . . . . . . . . . . . . 1 2. Equilibrium Geometries by Hartree-Fock Theory 2 2. 1. Restricted and Unrestricted Hartree-Fock Theories 2 2. 2. Basis Sets for Hartree-Fock Studies . . . . . 4 2. 3. Hartree-Fock Structures for Small Molecules . 6 2. 4. Hartree-Fock Structures for Larger Molecules 12 3. Equilibrium Geometries with Correlation . . 18 4. Predictive Structures for Radicals and Cations 20 5. Conclusions 23 References 24 Chapter 2. Barriers to Rotation and Inversion Philip W. Payne and Leland C.

From Chemical Topology to Three-Dimensional Geometry

Author : Alexandru T. Balaban
Publisher : Springer Science & Business Media
ISBN 13 : 0306469073
Total Pages : 436 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis From Chemical Topology to Three-Dimensional Geometry by : Alexandru T. Balaban

Download or read book From Chemical Topology to Three-Dimensional Geometry written by Alexandru T. Balaban and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Even high-speed supercomputers cannot easily convert traditional two-dimensional databases from chemical topology into the three-dimensional ones demanded by today's chemists, particularly those working in drug design. This fascinating volume resolves this problem by positing mathematical and topological models which greatly expand the capabilities of chemical graph theory. The authors examine QSAR and molecular similarity studies, the relationship between the sequence of amino acids and the less familiar secondary and tertiary protein structures, and new topological methods.

Reverse Micelles

Author : P.L. Luisi
Publisher : Springer
ISBN 13 : 9781475764260
Total Pages : 354 pages
Book Rating : 4.7/5 (642 download)

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Book Synopsis Reverse Micelles by : P.L. Luisi

Download or read book Reverse Micelles written by P.L. Luisi and published by Springer. This book was released on 2014-01-18 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biofuels in Brazil

Author : Silvio Silvério da Silva
Publisher : Springer Science & Business Media
ISBN 13 : 3319050206
Total Pages : 441 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Biofuels in Brazil by : Silvio Silvério da Silva

Download or read book Biofuels in Brazil written by Silvio Silvério da Silva and published by Springer Science & Business Media. This book was released on 2014-04-02 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the commercialization of biofuels and the Brazilian government policies for the promotion of renewable energy program in Brazil, which could be a learning module for several countries for implementing biofuels policy to improve their socioeconomic status and make them energy independent. Researchers in academia and industries, policy makers, and economic analysts will be assisted by important source of information in their ongoing research and future perspectives. This book will benefit graduate and postgraduate students of chemical and biochemical engineering, forestry, microbiology, biochemistry, biotechnology, applied chemistry, environmental science, sustainable energy, and biotech business disciplines by signifying the applied aspects of bioenergy production from various natural sources and their implications. Graduate and postgraduate students as well as postdoctoral researchers will find clear concepts of feedstock analysis, feedstock degradation, microbial fermentation, genetic engineering, renewable energy generation and storage, climate changes, and techno-economic analysis of biofuels production technologies.