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Books > Science & Mathematics > Chemistry > Physical chemistry > General
Corrosion is a degrading material process frequently encountered in
engineering structures and components, which may lead to costly and
catastrophic failures if not properly and timely addressed. This
volume describes a wide spectrum of experimental and analytical
studies, which provide a fairly comprehensive account of corrosion
manifestations and methodologies for addressing them in structural
and industrial design. As such, it is expected to make a valuable
reference publication for engineers and scientists interested in
the protection of structures and components from harmful and
potentially ruinous corrosive action.The collected articles
comprising this volume address issues which can be categorised into
two main areas. The first is concerned with material science
approaches to corrosion, that is, visual or instrumental means of
assessing existing behaviour or effectiveness of corrective
measures and techniques. The second part of the volume comprises
boundary element simulations of cathodic protection schemes for the
purpose of predicting and optimising their performance.A number of
practical problems are analysed such as: the coating condition on a
ballast tank wall; the impressed current cathodic protection of an
offshore platform and minimizing a ship's electric and magnetic
signature. Topics covered include: Elemental identification;
Material loss; Strain fields; Stress corrosion cracking; Corrosion
resistance; Fretting corrosion; Contact surface damage;
Electrochemical testing; Coating conditions; Cathodic protection;
Current density distribution; Pipelines and deep well casings;
Electric and magnetic signatures; Coating damage effects; Galvanic
corrosion.
This thesis uses a systems-level approach to study the cellular
metabolism, unveiling new mechanisms and responses that were
impossible to reach with traditional reductionists procedures. The
results reported here have a potential application in areas like
metabolic engineering and disease treatment. They could also be
used in determining the accuracy of the gene essentiality of new
genome-scale reconstructions. Different methods and techniques,
within the contexts of Systems Biology and the field known as
Complex Networks Analysis have been applied in this work to show
different features of the robustness of metabolic networks. The
specific issues addressed here range from pure topological aspec ts
of the networks themselves to the balance of biochemical fluxes.
This book presents the fundamentals and the state of the art of the
photophysics of molecular oxygen. The author examines optical
transitions between the lowest-lying electronic states in molecular
oxygen and how these transitions respond to perturbation, either
from an organic molecule or from the plasmon field of a metal
nanoparticle. We live on a planet filled with light and oxygen. The
interaction between these two components forms the basis of excited
state chemistry spanning the fields of synthetic organic chemistry,
materials chemistry, molecular biology, and photodynamic treatment
of cancer. Still, the fundamental ways in which oxygen is affected
by light is an active subject of research and is continually being
developed and rationalized. In this book, readers will learn that
singlet oxygen, the excited state of oxygen that exhibits unique
chemical reactivity, can be selectively made via direct optical
excitation of oxygen in a sensitizer-free system. Readers will also
discover that this approach can perturb living cells differently
depending on the singlet oxygen "dose".
This thesis offers a unique guide to the development and
application of ultrasensitive optical microscopy based on light
scattering. Divided into eight chapters, it covers an impressive
range of scientific fields, from basic optical physics to molecular
biology and synthetic organic chemistry. Especially the detailed
information provided on how to design, build and implement an
interferometric scattering microscope, as well as the descriptions
of all instrumentation, hardware interfacing and image processing
necessary to achieve the highest levels of performance, will be of
interest to researchers now entering the field.
As the title suggests, we introduce a novel differential approach
to solution thermodynamics and use it for the study of aqueous
solutions. We evaluate the quantities of higher order derivative
than the normal thermodynamic functions. We allow these higher
derivative data speak for themselves without resorting to any model
system. We thus elucidate the molecular processes in solution,
(referred to in this book "mixing scheme"), to the depth equal to,
if not deeper, than that gained by spectroscopic and other methods.
We show that there are three composition regions in aqueous
solutions of non-electrolytes, each of which has a qualitatively
distinct mixing scheme. The boundary between the adjacent regions
is associated with an anomaly in the third derivatives of G. The
loci of the anomalies in the temperature-composition field form the
line sometimes referred as "Koga line." We then take advantage of
the anomaly of a third derivative quantity of 1-propanol in the
ternary aqueous solution, 1-propanol - sample species - H2O. We use
its induced change as a probe of the effect of a sample species on
H2O. In this way, we clarified what a hydrophobe, or a hydrophile,
and in turn, an amphiphile, does to H2O. We also apply the same
methodology to ions that have been ranked by the Hofmeister series.
We show that the kosmotropes (salting out, or stabilizing agents)
are either hydrophobes or hydration centres, and that chaotropes
(salting in, or destablizing agents) are hydrophiles.
- A new differential approach to solution thermodynamics
- A particularly clear elucidation of the mixing schemes in aqueous
solutions
- A clear understandings on the effects of hydrophobes,
hydrophiles, andamphiphiles to H2O
- A clear understandings on the effects of ions on H2O in relation
to the Hofmeister effect
- A new differential approach to studies in muti-component aqueous
solutions
There is currently significant interest in exploring and
identifying new inorganic solar energy conversion systems based on
Earth-abundant non-toxic materials for future sustainable energy
applications and technologies. Developments in emergent inorganic
absorbers are closely tied to the ability of researchers to
correlate and predict device performance from structural and
optical properties. The understanding of material structure and
bonding and their effect on performance are key to developing
guiding principles for design and screening of inorganic
photovoltaic materials. Progress toward such understanding is
facilitated by state-of-the-art tools for structural and electronic
characterisation of semiconductor materials and interfaces, as well
as device design and performance analysis. Further insight is
provided by computer modelling and simulations. This volume brings
together internationally leading scientists working in areas of
material design and modelling, structural and electronic
characterisation, and device design and performance analysis, to
explore and exchange ideas on emerging inorganic thin-film
photovoltaics based on Earth abundant non-toxic materials. In this
volume, the topics covered include: Indium-free CIGS analogues Bulk
and surface characterisation techniques of solar absorbers Novel
chalcogenides, pnictides and defect-tolerant semiconductors
Materials design and bonding
Due to its interdisciplinary nature, crystallography is of major
importance to a wide range of scientific disciplines including
physics, chemistry, molecular biology, materials science and
mineralogy. However, information is currently divided amongst
traditional physics, chemistry and materials science books. This
book collates previously disparate literature into one
comprehensive and practical source, providing a thorough
understanding of the information contained in crystallographic data
files and the application of x-ray diffraction methods. The book
has been written for final year and postgraduate students.
An Introduction to the Gas Phase is adapted from a set of lecture
notes for a core first year lecture course in physical chemistry
taught at the University of Oxford. The book is intended to give a
relatively concise introduction to the gas phase at a level
suitable for any undergraduate scientist. After defining the gas
phase, properties of gases such as temperature, pressure, and
volume are discussed. The relationships between these properties
are explained at a molecular level, and simple models are
introduced that allow the various gas laws to be derived from first
principles. Finally, the collisional behavior of gases is used to
explain a number of gas-phase phenomena, such as effusion,
diffusion, and thermal conductivity.
Features twenty-five chapter contributions from an international
array of distinguished academics based in Asia, Eastern and Western
Europe, Russia, and the USA. This multi-author contributed volume
provides an up-to-date and authoritative overview of cutting-edge
themes involving the thermal analysis, applied solid-state physics,
micro- and nano-crystallinity of selected solids and their macro-
and microscopic thermal properties. Distinctive chapters featured
in the book include, among others, calorimetry time scales from
days to microseconds, glass transition phenomena, kinetics of
non-isothermal processes, thermal inertia and temperature
gradients, thermodynamics of nanomaterials, self-organization,
significance of temperature and entropy. Advanced undergraduates,
postgraduates and researchers working in the field of thermal
analysis, thermophysical measurements and calorimetry will find
this contributed volume invaluable. This is the third volume of the
triptych volumes on thermal behaviour of materials; the previous
two receiving thousand of downloads guaranteeing their worldwide
impact.
Volume 6 Reviews in Computational Chemistry Kenny B. Lipkowitz and
Donald B. Boyd This Series Brings together Respected Experts in the
Field of Computer-Aided Molecular Research. Computational Chemistry
is Increasingly used in Conjunction with Organic, Inorganic,
Medicinal, Biological, Physical, and Analytical Chemistry,
Biotechnology, Materials Science, and Chemical Physics. This Volume
Examines Quantum Chemistry of Solvated Molecules, Molecular
Mechanics of Inorganics and Organometallics, Modeling of Polymers,
Technology of Massively Parallel Computing, and Productivity of
Modeling Software. A Guide to Force Field Parameters and a New
Software Compendium Round out This Volume. -From Reviews of the
Series The Book Transfers a Working Knowledge of Existing
Computational Methods and Programs to an Interested Reader and
Potential user. Structural Chemistry It Can Be Recommended for
Everyone Who Wants to Learn About the Present State of Development
in Computational Chemistry. Angewandte Chemie, International
Edition in English
The series Topics in Current Chemistry Collections presents
critical reviews from the journal Topics in Current Chemistry
organized in topical volumes. The scope of coverage is all areas of
chemical science including the interfaces with related disciplines
such as biology, medicine and materials science. The goal of each
thematic volume is to give the non-specialist reader, whether in
academia or industry, a comprehensive insight into an area where
new research is emerging which is of interest to a larger
scientific audience. Each review within the volume critically
surveys one aspect of that topic and places it within the context
of the volume as a whole. The most significant developments of the
last 5 to 10 years are presented using selected examples to
illustrate the principles discussed. The coverage is not intended
to be an exhaustive summary of the field or include large
quantities of data, but should rather be conceptual, concentrating
on the methodological thinking that will allow the non-specialist
reader to understand the information presented. Contributions also
offer an outlook on potential future developments in the field.
This book provides deep insight into the physical quantity known as
chemical activity. The author probes deep into classical
thermodynamics in Part I, and then into statistical thermodynamics
in Part II, to provide the necessary background. The treatment has
been streamlined by placing some background material in appendices.
Chemical Activity is of interest not only to those in chemical
thermodynamics, but also to chemical engineers working with mass
transfer and its applications - for example, separation methods.
This book describes advanced research on the structures and
photochemical properties of polyatomic molecules and molecular
clusters having various functionalities under cold gas-phase
conditions. Target molecules are crown ethers, polypeptides, large
size protonated clusters, metal clusters, and other complex
polyatomic molecules of special interest. A variety of advanced
frequency and time-domain laser spectroscopic methods are applied.
The book begins with the principle of an experimental setup for
cold gas-phase molecules and various laser spectroscopic methods,
followed by chapters on investigation of specific molecular
systems. Through a molecular-level approach and analysis by quantum
chemical calculation, it is possible to learn how atomic and
molecular-level interactions (van der Waals, hydrogen-bonding, and
others) control the specific properties of molecules and clusters.
Those properties include molecular recognition, induced fitting,
chirality, proton and hydrogen transfer, isomerization, and
catalytic reaction. The information will be applicable to the
design of new types of functional molecules and nanoparticles in
the broad area that includes applied chemistry, drug delivery
systems, and catalysts.
Imaging by Nuclear Magnetic Resonance (NMR) has been established in clinical diagnosis and is conquering materials science with a rapidly expanding number of applications in basic research as well as product and quality control for fluid flow, elastomers, and polymer materials. This book will provide graduate students, scientists and engineers with an introduction to the field. It is the first book on the subject and is likely to become the standard text for years to come.
This book summarizes the main advances in the mechanisms of
combustion processes. It focuses on the analysis of kinetic
mechanisms of gas combustion processes and experimental
investigation into the interrelation of kinetics and gas dynamics
in gas combustion. The book is complimentary to the one previously
published, The Modes of Gaseous Combustion.
This textbook provides an accessible introduction to physics for
undergraduate students in the life sciences, including those
majoring in all branches of biology, biochemistry, and psychology
and students working on pre-professional programs such as
pre-medical, pre-dental, and physical therapy. The text is geared
for the algebra-based physics course, often named College Physics
in the United States. The order of topics studied are such that
most of the problems in the text can be solved with the methods of
Statics or Dynamics. That is, they require a free body diagram, the
application of Newton’s Laws, and any necessary kinematics.
Constructing the text with a standardized problem-solving
methodology, simplifies this aspect of the course and allows
students to focus on the application of physics to the study of
biological systems. Along the way, students apply these techniques
to find the tension in a tendon, the sedimentation rate of red
blood cells in haemoglobin, the torques and forces on a bacterium
employing a flagellum to propel itself through a viscous fluid, and
the terminal velocity of a protein moving in a Gel Electrophoresis
device. This is part one of a two-volume set; volume 2 introduces
students to the conserved-quantities and applies these
problem-solving techniques to topics in Thermodynamics, Electrical
Circuits, Optics, and Atomic and Nuclear Physics always with
continued focus on biological applications.
This book details the rigorous requirements for refractories
designed for aluminium metallurgical processes: reduction, cast
house, and anode production. The author describes requirements
specific to the properties and structure of refractory materials
that differentiate it from materials used for ferrous metallurgy,
among others. A comparison is drawn between the properties and
structure of refractories and carbon cathode materials from
different points of view: from the perspective of physical
chemistry and chemical interactions during the metallurgical
process and from the aspect of designing reduction pots and
furnaces to accommodate the lifetime of metallurgical aggregates
that are a part of aluminum refractory processes.
This book is intended to provide a course of infrared spectroscopy
for quantitative analysis, covering both bulk matter and
surface/interface analyses. Although the technology of Fourier
transform infrared (FT-IR) spectroscopy was established many years
ago, the full potential of infrared spectroscopy has not been
properly recognized, and its intrinsic potential is still put
aside. FT-IR has outstandingly useful characteristics, however,
represented by the high sensitivity for monolayer analysis, highly
reliable quantitativity, and reproducibility, which are quite
suitable for surface and interface analysis. Because infrared
spectroscopy provides rich chemical information-for example,
hydrogen bonding, molecular conformation, orientation, aggregation,
and crystallinity-FT-IR should be the first choice of chemical
analysis in a laboratory. In this book, various analytical
techniques and basic knowledge of infrared spectroscopy are
described in a uniform manner. In particular, techniques for
quantitative understanding are particularly focused for the
reader's convenience.
Handbook of Flotation Reagents: Chemistry, Theory and Practice:
Flotation of Gold, PGM and Oxide Minerals, Volume 2 focuses on the
theory, practice, and chemistry of flotation of gold, platinum
group minerals (PGMs), and the major oxide minerals, along with
rare earths. It examines separation methods whose effectiveness is
limited when using conventional treatment processes and considers
commercial plant practices for most oxide minerals, such as
pyrochlore-containing ores, copper cobalt ores, zinc ores, tin
ores, and tantalum/niobium ores. It discusses the geology and
mineralogy of gold, PGMs, and oxide minerals, as well as reagent
and flotation practices in beneficiation. The book also looks at
the factors affecting the floatability of gold minerals and
describes PGM-dominated deposits such as Morensky-type deposits,
hydrothermal deposits, and placer deposits. In addition, case
studies of flotation and beneficiation in countries such as Canada,
Africa, Russia, Chile, and Saudi Arabia are presented. This book
will be useful to researchers, university students, and professors,
as well as mineral processors faced with the problem of
beneficiation of difficult-to-treat ores.
The aim of this book is to show how supramolecular complexity of
cell organization can dramatically alter the functions of
individual macromolecules within a cell. The emergence of new
functions which appear as a consequence of supramolecular
complexity, is explained in terms of physical chemistry.
The book is interdisciplinary, at the border between cell
biochemistry, physics and physical chemistry. This
interdisciplinarity does not result in the use of physical
techniques but from the use of physical concepts to study
biological problems.
In the domain of complexity studies, most works are purely
theoretical or based on computer simulation. The present book is
partly theoretical, partly experimental and theory is always based
on experimental results. Moreover, the book encompasses in a
unified manner the dynamic aspects of many different biological
fields ranging from dynamics to pattern emergence in a young
embryo.
The volume puts emphasis on dynamic physical studies of biological
events. It also develops, in a unified perspective, this new
interdisciplinary approach of various important problems of cell
biology and chemistry, ranging from enzyme dynamics to pattern
formation during embryo development, thus paving the way to what
may become a central issue of future biology.
Glass Nanocomposites: Synthesis, Properties and Applications
provides the latest information on a rapidly growing field of
specialized materials, bringing light to new research findings that
include a growing number of technologies and applications. With
this growth, a new need for deep understanding of the synthesis
methods, composite structure, processing and application of glass
nanocomposites has emerged. In the book, world renowned experts in
the field, Professors Karmakar, Rademann, and Stepanov, fill the
knowledge gap, building a bridge between the areas of nanoscience,
photonics, and glass technology. The book covers the fundamentals,
synthesis, processing, material properties, structure property
correlation, interpretation thereof, characterization, and a wide
range of applications of glass nanocomposites in many different
devices and branches of technology. Recent developments and future
directions of all types of glass nanocomposites, such as
metal-glasses (e.g., metal nanowire composites,
nanoglass-mesoporous silica composites), semiconductor-glass and
ceramic-glass nanocomposites, as well as oxide and non-oxide
glasses, are also covered in great depth. Each chapter is logically
structured in order to increase coherence, with each including
question sets as exercises for a deeper understanding of the text.
This thesis proposes a novel way to catch light energy using an
ultrasmall nanostructure. The author has developed photon-materials
systems to open the way for novel photoexcitation processes based
on the findings obtained from in-situ observation of the systems in
which localized surface plasmon (LSP) and molecules interact
strongly. The highly ordered metal nanostructure provided the
opportunity for anisotropic photoexcitation of materials in an
eccentric way. The optimization of the systems via nanostructuring
and electrochemical potential control resulted in the novel
excitation process using LSP to realize the additional transition
for photoexcitation. Furthermore, excited electronic states formed
the strong coupling between LSP and excitons of molecules. This
thesis will provide readers with an idea for achieving very
effective processes for photon absorption, scattering, and emission
beyond the present limits of photodevices.
Modeling of Chemical Reactions covers detailed chemical kinetics
models for chemical reactions. Including a comprehensive treatment
of pressure dependent reactions, which are frequently not
incorporated into detailed chemical kinetic models, and the use of
modern computational quantum chemistry, which has recently become
an extraordinarily useful component of the reaction kinetics
toolkit.
It is intended both for those who need to model complex chemical
reaction processes but have little background in the area, and
those who are already have experience and would benefit from having
a wide range of useful material gathered in one volume. The range
of subject matter is wider than that found in many previous
treatments of this subject. The technical level of the material is
also quite wide, so that non-experts can gain a grasp of
fundamentals, and experts also can find the book useful.
* A solid introduction to kinetics
* Material on computational quantum chemistry, an important new
area for kinetics
* Contains a chapter on construction of mechanisms, an approach
only found in this book
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