Mol Culas Em Exposi O

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Mol Culas Em Exposi O

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Author : John Emsley
language : pt-BR
Publisher: Editora Blucher
Release Date : 2009

Mol Culas Em Exposi O written by John Emsley and has been published by Editora Blucher this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Juvenile Nonfiction categories.

" Um público amplo, independente de ter ou não conhecimentos de química,gostará de ler trechos avulsos deste livro e, também, de lê-lo na íntegra." Revista Nature " Um refinado exemplo de como se pode escrever da melhor maneira sobre divulgação científica. É um livro educativo, interessante e que nos inspira; portanto, merece encontrar um número muito amplo de leitores." THES " Leitura altamente interessante e que é também um entretenimento." New Scientist O que tem o chocolate que faz com que nos sintamos bem quando o comemos? Qual é a molécula que atiça os homens? Neste fascinante livro, John Emsley conduz-nos numa visita guiada ao longo de uma galeria em que estão expostos quadros de moléculas, algumas prejudiciais, outras agradáveis, mostrando como as moléculas afetam nossas vidas. Fique sabendo como Mozart encontrou a morte, o que há por trás do problema das vacas loucas, a verdade sobre substâncias há muito conhecidas mas só hoje empregadas em escala industrial e muitos outros bocadinhos neste livro que distrai muito e muitas vezes nos surpreende. O bom humor do autor: " A experiência nos diz que nem todos os amigos, parentes, carros, refeições de gourmets e feriados são bons, e que nem todos os vizinhos, sogras fast food e aeroportos são ruins."

Optimization In Computational Chemistry And Molecular Biology

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Author : Christodoulos A. Floudas
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-02-29

Optimization In Computational Chemistry And Molecular Biology written by Christodoulos A. Floudas and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-02-29 with Computers categories.

Optimization in Computational Chemistry and Molecular Biology: Local and Global Approaches covers recent developments in optimization techniques for addressing several computational chemistry and biology problems. A tantalizing problem that cuts across the fields of computational chemistry, biology, medicine, engineering and applied mathematics is how proteins fold. Global and local optimization provide a systematic framework of conformational searches for the prediction of three-dimensional protein structures that represent the global minimum free energy, as well as low-energy biomolecular conformations. Each contribution in the book is essentially expository in nature, but of scholarly treatment. The topics covered include advances in local and global optimization approaches for molecular dynamics and modeling, distance geometry, protein folding, molecular structure refinement, protein and drug design, and molecular and peptide docking. Audience: The book is addressed not only to researchers in mathematical programming, but to all scientists in various disciplines who use optimization methods in solving problems in computational chemistry and biology.

The Molecular Basis Of Plant Genetic Diversity

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Author : Mahmut Caliskan
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-03-30

The Molecular Basis Of Plant Genetic Diversity written by Mahmut Caliskan and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-30 with Science categories.

The Molecular Basis of Plant Genetic Diversity presents chapters revealing the magnitude of genetic variations existing in plant populations. Natural populations contain a considerable genetic variability which provides a genomic flexibility that can be used as a raw material for adaptation to changing environmental conditions. The analysis of genetic diversity provides information about allelic variation at a given locus. The increasing availability of PCR-based molecular markers allows the detailed analyses and evaluation of genetic diversity in plants and also, the detection of genes influencing economically important traits. The purpose of the book is to provide a glimpse into the dynamic process of genetic variation by presenting the thoughts of scientists who are engaged in the generation of new ideas and techniques employed for the assessment of genetic diversity, often from very different perspectives. The book should prove useful to students, researchers, and experts in the area of conservation biology, genetic diversity, and molecular biology.

Metal Organic And Organic Molecular Magnets

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Author : Peter Day
language : en
Publisher: Royal Society of Chemistry
Release Date : 2007-10-31

Metal Organic And Organic Molecular Magnets written by Peter Day and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-10-31 with Science categories.

Traditionally, magnetic materials have been metals or, if inorganic compounds such as oxides, of continuous lattice type. However, in recent years chemists have synthesized increasing numbers of crystalline solids based on molecular building blocks in the form of coordination and organometallic complexes or purely organic molecules, which exhibit spontaneous magnetization. In striking contrast to conventional magnets, these materials are made from solutions close to room temperature rather than by metallurgical or ceramic methods. This book, which originates from contributions to a Discussion Meeting of The Royal Society of London, brings together many of the leading international practitioners in the field, who survey their own recent work and place it in the context of the wider fields of magnetism and supramolecular chemistry. All aspects of molecular-based magnets are addressed, including synthesis, structure-property relations and physical properties. Contents include details of the characterization of the first purely organic ferromagnet, the synthesis of high coercivity materials and a unique description of new materials with Curie temperatures well above ambient. A coherent survey of this rapidly developing field for the more general reader, Metal-Organic and Organic Molecular Magnets will also be welcomed by researchers and lecturers in materials science and inorganic or solid state chemistry.

Progress In Nucleic Acid Research And Molecular Biology

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Author :
language : en
Publisher: Academic Press
Release Date : 1989-07-17

Progress In Nucleic Acid Research And Molecular Biology written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-07-17 with Medical categories.

Progress in Nucleic Acid Research and Molecular Biology

Symmetry Principles In Solid State And Molecular Physics

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Author : Melvin Lax
language : en
Publisher: Courier Corporation
Release Date : 2001-01-01

Symmetry Principles In Solid State And Molecular Physics written by Melvin Lax and has been published by Courier Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-01 with Science categories.

High-level text applies group theory to physics problems, develops methods for solving molecular vibration problems and for determining the form of crystal tensors, develops translational properties of crystals, more. 1974 edition.

Molecular Beam Epitaxy

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Author : Hajime Asahi
language : en
Publisher: John Wiley & Sons
Release Date : 2019-04-15

Molecular Beam Epitaxy written by Hajime Asahi 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 2019-04-15 with Science categories.

Covers both the fundamentals and the state-of-the-art technology used for MBE Written by expert researchers working on the frontlines of the field, this book covers fundamentals of Molecular Beam Epitaxy (MBE) technology and science, as well as state-of-the-art MBE technology for electronic and optoelectronic device applications. MBE applications to magnetic semiconductor materials are also included for future magnetic and spintronic device applications. Molecular Beam Epitaxy: Materials and Applications for Electronics and Optoelectronics is presented in five parts: Fundamentals of MBE; MBE technology for electronic devices application; MBE for optoelectronic devices; Magnetic semiconductors and spintronics devices; and Challenge of MBE to new materials and new researches. The book offers chapters covering the history of MBE; principles of MBE and fundamental mechanism of MBE growth; migration enhanced epitaxy and its application; quantum dot formation and selective area growth by MBE; MBE of III-nitride semiconductors for electronic devices; MBE for Tunnel-FETs; applications of III-V semiconductor quantum dots in optoelectronic devices; MBE of III-V and III-nitride heterostructures for optoelectronic devices with emission wavelengths from THz to ultraviolet; MBE of III-V semiconductors for mid-infrared photodetectors and solar cells; dilute magnetic semiconductor materials and ferromagnet/semiconductor heterostructures and their application to spintronic devices; applications of bismuth-containing III–V semiconductors in devices; MBE growth and device applications of Ga2O3; Heterovalent semiconductor structures and their device applications; and more. Includes chapters on the fundamentals of MBE Covers new challenging researches in MBE and new technologies Edited by two pioneers in the field of MBE with contributions from well-known MBE authors including three Al Cho MBE Award winners Part of the Materials for Electronic and Optoelectronic Applications series Molecular Beam Epitaxy: Materials and Applications for Electronics and Optoelectronics will appeal to graduate students, researchers in academia and industry, and others interested in the area of epitaxial growth.

The Potential Distribution Theorem And Models Of Molecular Solutions

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Author : Tom L. Beck
language : en
Publisher: Cambridge University Press
Release Date : 2006-08-31

The Potential Distribution Theorem And Models Of Molecular Solutions written by Tom L. Beck and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-31 with Technology & Engineering categories.

An understanding of statistical thermodynamic molecular theory is fundamental to the appreciation of molecular solutions. This complex subject has been simplified by the authors with down-to-earth presentations of molecular theory. Using the potential distribution theorem (PDT) as the basis, the text provides a discussion of practical theories in conjunction with simulation results. The authors discuss the field in a concise and simple manner, illustrating the text with useful models of solution thermodynamics and numerous exercises. Modern quasi-chemical theories that permit statistical thermodynamic properties to be studied on the basis of electronic structure calculations are given extended development, as is the testing of those theoretical results with ab initio molecular dynamics simulations. The book is intended for students taking up research problems of molecular science in chemistry, chemical engineering, biochemistry, pharmaceutical chemistry, nanotechnology and biotechnology.

Dissociative Recombination Of Molecular Ions With Electrons

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Author : Steven L. Guberman
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Dissociative Recombination Of Molecular Ions With Electrons written by Steven L. Guberman and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Dissociative Recombination of Molecular Ions with Electrons is a comprehensive collection of refereed papers describing the latest developments in dissociative recombination research. The papers are written by the leading researchers in the field. The topics covered include the use of microwave afterglows, merged beams and storage rings to measure rate coefficients and to identify the products and their yields. The molecules studied range in size from the smallest, H2+, to bovine insulin ions. The theoretical papers cover the important role of Rydberg states and the use of wave packets and quantum defect theory to deduce cross sections, rate constants and quantum yields. Several theoretical and experimental papers address the controversial topic of H3+ dissociative recombination and its importance in the interstellar medium. Dissociative recombination studies of other molecular ions in the interstellar medium and in cometary and planetary atmospheres are covered. Ionization is an important competitive process to dissociative recombination and its competition with predissociation and its role in the reverse process of the association of neutral species is presented. Dissociative attachment, in which an electron attaches to a neutral molecule, has many similarities to dissociative recombination. The topics covered include the accurate calculation of electron affinities, attachment to molecules, clusters, and to species absorbed on solid surfaces and electron scattering by a molecular anion.

Molecular Mechanisms And Genetics Of Plant Resistance To Abiotic Stress

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Author : Jill M. Farrant
language : en
Publisher: MDPI
Release Date : 2020-03-05

Molecular Mechanisms And Genetics Of Plant Resistance To Abiotic Stress written by Jill M. Farrant and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-05 with Science categories.

We are currently experiencing a climate crisis that is associated with extreme weather events worldwide. Some of its most noticeable effects are increases in temperatures, droughts, and desertification. These effects are already making whole regions unsuitable for agriculture. Therefore, we urgently need global measures to mitigate the effects of climate breakdown as well as crop alternatives that are more stress-resilient. These crop alternatives can come from breeding new varieties of well-established crops, such as wheat and barley. They can also come from promoting underutilized crop species that are naturally tolerant to some stresses, such as quinoa. Either way, we need to gather more knowledge on how plants respond to stresses related to climate breakdown, such as heat, water-deficit, flooding high salinity, nitrogen, and heavy metal stress. This Special Issue provides a timely collection of recent advances in the understanding of plant responses to these stresses. This information will definitely be useful to the design of new strategies to prevent the loss of more cultivable land and to reclaim the land that has already been declared unsuitable.