Molecular Motions in Liquids

Molecular Motions in Liquids PDF Author: J. Lascombe
Publisher: Springer Science & Business Media
ISBN: 9401021775
Category : Science
Languages : en
Pages : 645

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Book Description
When, in my capacity as President of the Societe de Chimie physique, I opened the 24th Annual Meeting of this Society, devoted this year to 'molecular motions in liquids', I was stirred by a particular emotion. This had two reasons, one general and the other rather personal. I would like to give an explanation in the Foreword to this volume of communications to the Meeting and their ensuing discussions. An essential characteristic of science is its international nature. It is like a symphony composed of contributions by all the countries playing together as an orchestra in unison. Just as a melody has different 'colours' when played by strings or woodwinds, so there exist similar 'colour' differences, subtle ones, between scientific contributions from different countries, rooted as they are in their own cultural history and liable to impoverish the ensemble if they should cease to participate. I have always had an impression of marked 'colour' differences prevailing among American, Russian, Japanese and European contributions, although within the latter group the timbre is very much the same. This is why I have dreamed of a European 'chamber orchestra' in addition to the great world orchestra.

Molecular Motions in Liquids

Molecular Motions in Liquids PDF Author: J. Lascombe
Publisher: Springer Science & Business Media
ISBN: 9401021775
Category : Science
Languages : en
Pages : 645

Get Book Here

Book Description
When, in my capacity as President of the Societe de Chimie physique, I opened the 24th Annual Meeting of this Society, devoted this year to 'molecular motions in liquids', I was stirred by a particular emotion. This had two reasons, one general and the other rather personal. I would like to give an explanation in the Foreword to this volume of communications to the Meeting and their ensuing discussions. An essential characteristic of science is its international nature. It is like a symphony composed of contributions by all the countries playing together as an orchestra in unison. Just as a melody has different 'colours' when played by strings or woodwinds, so there exist similar 'colour' differences, subtle ones, between scientific contributions from different countries, rooted as they are in their own cultural history and liable to impoverish the ensemble if they should cease to participate. I have always had an impression of marked 'colour' differences prevailing among American, Russian, Japanese and European contributions, although within the latter group the timbre is very much the same. This is why I have dreamed of a European 'chamber orchestra' in addition to the great world orchestra.

Water in Biological and Chemical Processes

Water in Biological and Chemical Processes PDF Author: Biman Bagchi
Publisher: Cambridge University Press
ISBN: 1107037298
Category : Medical
Languages : en
Pages : 383

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Book Description
A unified overview of the dynamical properties of water and its unique and diverse role in biological and chemical processes.

The Molecular Dynamics of Liquid Crystals

The Molecular Dynamics of Liquid Crystals PDF Author: G.R. Luckhurst
Publisher: Springer Science & Business Media
ISBN: 9780792328094
Category : Science
Languages : en
Pages : 634

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Book Description
Liquid-crystalline phases are now known to be formed by an ever growing range of quite diverse materials, these include those of low molecular weight as well as the novel liquid-crystalline polymers, such phases can also be induced by the addition of a solvent to amphiphilic systems leading to lyotropic liquid crystals. Irrespective of the structure of the constituent molecules these numerous liquid-cl)'Stailine phases are characterised by their long range orientational order. In addition certain phases exhibit elements of long range positional order. Our understanding, both experimental and theoretical, at the molecular level of the static behaviour of these fascinating and important materials is now well advanced. In contrast the influence of the long range order; both orientational and positional, on the molecular dynamics in liquid Cl)'Stais is less well understood. In an attempt to address this situation a NATO Advanced Study Institute devoted to liquid ctystal dynamics was held at n Ciocco, Barga, Italy in September 1989. This brought together experimentalists and theoreticians concerned with the various dynamical processes occurring in all liquid crystals. The skills of the participants was impressively wide ranging; they spanned the experimental techniques used in the study of molecular dynamics, the nature of the systems investigated and the theoretical models employed to understand the results. While much was learnt it was also recognised that much more needed to be done in order to advance our understanding of molecular dynamics in liquid Cl)'Stais.

Thermal Properties of Matter

Thermal Properties of Matter PDF Author: Joe Khachan
Publisher: Morgan & Claypool Publishers
ISBN: 1681745860
Category : Science
Languages : en
Pages : 63

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Book Description
The ancient Greeks believed that all matter was composed of four elements: earth, water, air, and fire. By a remarkable coincidence (or perhaps not), today we know that there are four states of matter: solids (e.g. earth), liquids (e.g. water), gasses (e.g. air) and plasma (e.g. ionized gas produced by fire). The plasma state is beyond the scope of this book and we will only look at the first three states. Although on the microscopic level all matter is made from atoms or molecules, everyday experience tells us that the three states have very different properties. The aim of this book is to examine some of these properties and the underlying physics.

Experimental Methods in Polymer Science

Experimental Methods in Polymer Science PDF Author: Toyoichi Tanaka
Publisher: Elsevier
ISBN: 0080506127
Category : Technology & Engineering
Languages : en
Pages : 619

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Book Description
Successful characterization of polymer systems is one of the most important objectives of today's experimental research of polymers. Considering the tremendous scientific, technological, and economic importance of polymeric materials, not only for today's applications but for the industry of the 21st century, it is impossible to overestimate the usefulness of experimental techniques in this field. Since the chemical, pharmaceutical, medical, and agricultural industries, as well as many others, depend on this progress to an enormous degree, it is critical to be as efficient, precise, and cost-effective in our empirical understanding of the performance of polymer systems as possible. This presupposes our proficiency with, and understanding of, the most widely used experimental methods and techniques.This book is designed to fulfill the requirements of scientists and engineers who wish to be able to carry out experimental research in polymers using modern methods. Each chapter describes the principle of the respective method, as well as the detailed procedures of experiments with examples of actual applications. Thus, readers will be able to apply the concepts as described in the book to their own experiments. - Addresses the most important practical techniques for experimental research in the growing field of polymer science - The first well-documented presentation of the experimental methods in one consolidated source - Covers principles, practical techniques, and actual examples - Can be used as a handbook or lab manual for both students and researchers - Presents ideas and methods from an international perspective - Techniques addressed in this volume include: - Light Scattering - Neutron Scattering and X-Ray Scattering - Fluorescence Spectroscopy - NMR on Polymers - Rheology - Gel Experiments

The Molecular Dynamics of Liquid Crystals

The Molecular Dynamics of Liquid Crystals PDF Author: G.R. Luckhurst
Publisher: Springer Science & Business Media
ISBN: 9401111685
Category : Science
Languages : en
Pages : 612

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Book Description
Liquid-crystalline phases are now known to be formed by an ever growing range of quite diverse materials, these include those of low molecular weight as well as the novel liquid-crystalline polymers, such phases can also be induced by the addition of a solvent to amphiphilic systems leading to lyotropic liquid crystals. Irrespective of the structure of the constituent molecules these numerous liquid-cl)'Stailine phases are characterised by their long range orientational order. In addition certain phases exhibit elements of long range positional order. Our understanding, both experimental and theoretical, at the molecular level of the static behaviour of these fascinating and important materials is now well advanced. In contrast the influence of the long range order; both orientational and positional, on the molecular dynamics in liquid Cl)'Stais is less well understood. In an attempt to address this situation a NATO Advanced Study Institute devoted to liquid ctystal dynamics was held at n Ciocco, Barga, Italy in September 1989. This brought together experimentalists and theoreticians concerned with the various dynamical processes occurring in all liquid crystals. The skills of the participants was impressively wide ranging; they spanned the experimental techniques used in the study of molecular dynamics, the nature of the systems investigated and the theoretical models employed to understand the results. While much was learnt it was also recognised that much more needed to be done in order to advance our understanding of molecular dynamics in liquid Cl)'Stais.

Chemistry 2e

Chemistry 2e PDF Author: Paul Flowers
Publisher:
ISBN: 9781947172623
Category : Chemistry
Languages : en
Pages : 0

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Book Description
Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition.

A First course in physics

A First course in physics PDF Author: Robert Andrews Millikan
Publisher:
ISBN:
Category :
Languages : en
Pages : 530

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Book Description


Rheology

Rheology PDF Author: Frederick R. Eirich
Publisher: Academic Press
ISBN: 1483272974
Category : Technology & Engineering
Languages : en
Pages : 541

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Book Description
Rheology: Theory and Applications, Volume 4 focuses on the characteristics and reactions of materials of more fluid nature, including viscosity, dispersions, kinetics, and molecular structure. The selection first elaborates on viscosity and molecular structure and microrheology of dispersions. Discussions focus on applications to hemorheology and suspension viscosity, kinetics of flowing dispersions, inertial effects, stresses on particles in laminar shear, molecular motions in liquids, effect of molecular structure on viscosity of nonassociated liquids, and viscosity of mixtures and solutions. The manuscript then takes a look at high-shear viscometry and thixotropy and dilatancy, as well as polymer degradation under high-shear conditions, occurrence of thixotropy and dilatancy, structural turbulence, and analysis of flow behavior at high shear rates. The text examines the rheological aspects of the mixing of plastics compounds, rheology of liquid crystals, and nonlinear steady-flow behavior. Topics include normal stress functions, cholesteric mesophase, nematic mesophase and systems of rods, experimental evaluation of laminar-flow mixing theory, and mixers in the plastics industry. The selection is a dependable source material for researchers interested in the theories and applications of rheology.

Microscopic Structure and Dynamics of Liquids

Microscopic Structure and Dynamics of Liquids PDF Author: J. Dupuy
Publisher: Springer Science & Business Media
ISBN: 1468408593
Category : Science
Languages : en
Pages : 520

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Book Description
What did we have in mind when in May, 1976, we (Professor de Gennes, Dr. Tourand and ourselves) thought of a Summer School in the field of liquids? First, we wanted to present and discuss the new results that have been obtained recently, in particular at the high flux reactor of the Institut Laue-Langevin in Grenoble since it became operational in 1972. In order to achieve this goal, the major part of this Summer School was devoted to an ex tensive presentation of the gen~ra1 concepts and methods of study ing this state of matter (time-dependent correlation functions, molecular dynamics, intermolecular forces, spectroscopic tech niques ••• ) and concentrated on a few specific systems which have seen significant development in the last few years, both theoret ically and experimentally. These systems are the different classes of simple liquids: metallic liquids, ionic liquids, simple molecu lar liquids and the new field of superionic conductors (solid electrolytes). Furthermore, we wanted to put some emphasis on a particular research area in the field of liquids, namely critical phenomena in fluids. This was chosen both because of our personal interest in this field and the major theoretical advances which have occurred in the last ten years. We also wished that some new powerful techniques or new theo retical approaches be presented at this School. Thus, picosecond laser techniques, theoretical calculations on dipolar fluids, and angular correlations in molecular liquids were the subject of specific seminars.