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Books > Science & Mathematics
The American Chemical Society (ACS) Committee on Analytical
Reagents sets the specifications for most chemicals used in
analytical testing. Currently, the ACS is the only organization in
the world that sets requirements and develops validated methods for
determining the purity of reagent chemicals. These specifications
have also become the de facto standards for chemicals used in many
high-purity applications. Publications and organizations that set
specifications or promulgate analytical testing methods-such as the
United States Pharmacopeia and the U.S. Environmental Protection
Agency-specify that ACS reagent-grade purity be used in their test
procedures. The Eleventh Edition incorporates the "supplements"
accumulated over the past eight years, removes some obsolete test
methods, improves instructions for many existing ones, and also
introduces some new methods. Overall, the safety, accuracy, or ease
of use in specifications for about 70 of the 430 listed reagents
has been improved, and seven new reagents have been added.
These worksheets provide extra practice exercises for every section
of the text with ample space for students to show their work on the
practice exercises and Math Coach problems. Additionally, the
workbook is correlated to the new Guided Learning Videos and the
Math Coach Videos so that students can follow along, take notes,
and practice as they go.
Consumers, regulators, and the food industry increasingly require
that foods comply not only with label descriptions of food content,
but also with information regarding the food's origin. For example,
the wine industry has a long history of labeling wines based on
varietal, regional, or age (vintage)-related properties. However,
regulatory agencies are now beginning to require methods to confirm
this label information. Food retailers are also facing voluntary or
mandatory labeling requirements that will indicate regional or
country-of-origin, species and/or varietal information. As a
result, development of reliable analytical methods to confirm the
authenticity of the label information is needed. This book presents
the latest research on food and wine authentication. The chapters
are authored by leading international scientists whose research
focuses on the development and application of analytical
methodologies used for the authentication of food and beverages.
Developed for the new International A Level specification, these
new resources are specifically designed for international students,
with a strong focus on progression, recognition and transferable
skills, allowing learning in a local context to a global standard.
Recognised by universities worldwide and fully comparable to UK
reformed GCE A levels. Supports a modular approach, in line with
the specification. Appropriate international content puts learning
in a real-world context, to a global standard, making it engaging
and relevant for all learners. Reviewed by a language specialist to
ensure materials are written in a clear and accessible style. The
embedded transferable skills, needed for progression to higher
education and employment, are signposted so students understand
what skills they are developing and therefore go on to use these
skills more effectively in the future. Exam practice provides
opportunities to assess understanding and progress, so students can
make the best progress they can.
Nanoscale Materials in Chemistry describes research on the
development of catalysts and adsorbents based on nanoscale
materials. It includes new fundamental research and applications,
beginning with a review of research on the development of nanoscale
metal oxides that have environmental applications. Information on
product development is described for selected products that have
been developed and commercialized.
This book is for scientists and engineers who are engaged in
research, development, and commercialization of nanoscale materials
for environmental applications. Those interested in the pathway
from idea to product will find this book valuable to them. Those
interested in sustainable indoor environments will find new
information on in room devices that may be able to reduce energy
use in buildings. Toxicology and product safety are included as
well.
This book is targeted for chemists and environmental scientists and
engineers who are engaged in understanding the chemistry of
high-valent iron (Ferrate) and in applications of chemical oxidants
to treat contaminants in water, wastewater, and industrial
effluents. This book will be of interest to biochemical engineers
and microbiologists who want to understand Ferrate's disinfection
performance. Additionally, the book will be of tremendous interest
to graduate students who are performing research on the
understanding of the mechanism of higher oxidation states of iron
and in developing innovative drinking water and wastewater
treatment technologies.
This book addresses synthesis and properties of Ferrate(VI), which
is an environmentally friendly chemical for oxidation, coagulation,
and disinfection for the multipurpose treatment of water and
wastewater. It provides information on using different approaches
to synthesize ferrate(VI). New processes to synthesize ferrate(VI)
are detailed. Properties and generations of high oxidation states
of iron including ferrate(IV) and ferrate(V) are discussed.
Interestingly, possible formations of iron in unusual oxidation
states, +7 and +8 are also discussed. The potential use of
ferrate(VI) in high energy density rechargeable batteries is
thoroughly reviewed. Chapters of the book demonstrate development
of new technology for removing emerging pollutants without forming
toxic side reactions or by-products. Examples include endocrine
disruptors (EDs) and pharmaceuticals, which are of a great concern
because of their possible toxic effects on humans and the ecology
of the environment. Ferrate(VI) is an emerging water-treatment
disinfectant, whichcan address the concerns raised by the currently
used oxidants and disinfectants. Interestingly, ferrate(VI) does
not react with the bromide ion; carcinogenic bromate ion would thus
not be produced in the treatment of bromide-containing water.
Ferrate(VI) can inactivate chlorine resistant bacteria. This book
also provides information on the means to oxidize highly resistant
organics and microorganisms in order to design appropriate
remediation and water treatment technology which is cleaner and
greener.
Emerging technologies present a challenging but fascinating set of
ethical, legal and regulatory issues. The articles selected for
this volume provide a broad overview of the most influential
historical and current thinking in this area and show that existing
frameworks are often inadequate to address new technologies - such
as biotechnology, nanotechnology, synthetic biology and robotics -
and innovative new models are needed. This collection brings
together invaluable, innovative and often complementary approaches
for overcoming the unique challenges of emerging technology ethics
and governance.
Measuring metabolic rates is central to important questions in many
areas of scientific research. Unfortunately these measurements are
anything but straightforward, and numerous pitfalls await the
novice and even the experienced investigator.
Measuring Metabolic Rates de-mystifies the field, explaining every
common variation of metabolic rate measurement, from century-old
manometric methods through ingenious syringe-based techniques,
direct calorimetry, aquatic respirometry, stable-isotope metabolic
measurement and every type of flow-through respirometry. Each
variation is described in enough detail to allow it to be applied
in practice. Background information on different analyzer and
equipment types allows users to choose the best instruments for
their application. Respirometry equations - normally a topic of
terror and confusion to researchers - are derived and described in
enough detail to make their selection and use effortless.
Vital topics such as manual and automated baselining, implementing
multi-animal systems, and the correct analysis and presentation of
metabolic data are covered in enough detail to turn a respirometry
neophyte into a hardened metabolic warrior, ready to take on the
task of publication in peer-reviewed journals.
In 1687 Isaac Newton ushered in a new scientific era in which laws
of nature could be used to predict the movements of matter with
almost perfect precision. Newton's physics also posed a profound
challenge to our self-understanding, however, for the very same
laws that keep airplanes in the air and rivers flowing downhill
tell us that it is in principle possible to predict what each of us
will do every second of our entire lives, given the early
conditions of the universe. Can it really be that even while you
toss and turn late at night in the throes of an important decision
and it seems like the scales of fate hang in the balance, that your
decision is a foregone conclusion? Can it really be that everything
you have done and everything you ever will do is determined by
facts that were in place long before you were born? This problem is
one of the staples of philosophical discussion. It is discussed by
everyone from freshman in their first philosophy class, to
theoretical physicists in bars after conferences. And yet there is
no topic that remains more unsettling, and less well understood. If
you want to get behind the facade, past the bare statement of
determinism, and really try to understand what physics is telling
us in its own terms, read this book. The problem of free will
raises all kinds of questions. What does it mean to make a
decision, and what does it mean to say that our actions are
determined? What are laws of nature? What are causes? What sorts of
things are we, when viewed through the lenses of physics, and how
do we fit into the natural order? Ismael provides a deeply informed
account of what physics tells us about ourselves. The result is a
vision that is abstract, alien, illuminating, and-Ismael
argues-affirmative of most of what we all believe about our own
freedom. Written in a jargon-free style, How Physics Makes Us Free
provides an accessible and innovative take on a central question of
human existence.
These popular and proven workbooks help students build confidence
before attempting end-of-chapter problems. They provide short
exercises that focus on developing a particular skill, mostly
requiring students to draw or interpret sketches and graphs. New to
the Fourth Edition are exercises that provide guided practice for
the textbook's Model boxes.
In this stimulating work, Graham Richards provides general readers and students with an authoritative introduction to the central problems currently faced by chemistry. In clear, down-to-earth language he explains how atoms join to form molecules, and explores the major challenges preoccupying chemists, including the synthesis of new substances such as drugs, plastics, detergents and dyes. The book also examines the spectacular advances that have been made in the chemical understanding of genetics and the mechanisms of living organisms-- a necessary prelude to genetic engineering--and considers the various ethical and social problems spawned by the new chemistry. Richards is a widely published author of many books and articles on chemistry.
Assuming no previous study in logic, this informal yet rigorous
text covers the material of a standard undergraduate first course
in mathematical logic, using natural deduction and leading up to
the completeness theorem for first-order logic. At each stage of
the text, the reader is given an intuition based on standard
mathematical practice, which is subsequently developed with clean
formal mathematics. Alongside the practical examples, readers learn
what can and can't be calculated; for example the correctness of a
derivation proving a given sequent can be tested mechanically, but
there is no general mechanical test for the existence of a
derivation proving the given sequent. The undecidability results
are proved rigorously in an optional final chapter, assuming
Matiyasevich's theorem characterising the computably enumerable
relations. Rigorous proofs of the adequacy and completeness proofs
of the relevant logics are provided, with careful attention to the
languages involved. Optional sections discuss the classification of
mathematical structures by first-order theories; the required
theory of cardinality is developed from scratch. Throughout the
book there are notes on historical aspects of the material, and
connections with linguistics and computer science, and the
discussion of syntax and semantics is influenced by modern
linguistic approaches. Two basic themes in recent cognitive science
studies of actual human reasoning are also introduced. Including
extensive exercises and selected solutions, this text is ideal for
students in logic, mathematics, philosophy, and computer science.
This book presents the SPH method (Smoothed-Particle Hydrodynamics)
for fluid modelling from a theoretical and applied viewpoint. It
comprises two parts that refer to each other. The first one,
dealing with the fundamentals of Hydraulics, is based on the
elementary principles of Lagrangian and Hamiltonian Mechanics. The
specific laws governing a system of macroscopic particles are
built, before large systems involving dissipative processes are
explained. The continua are discussed, and a fairly exhaustive
account of turbulence is given. The second part discloses the bases
of the SPH Lagrangian numerical method from the continuous
equations, as well as from discrete variational principles, setting
out the method's specific properties of conservativity and
invariance. Various numerical schemes are compared, permanently
referring to the physics as dealt with in the first part.
Applications to schematic instances are discussed, and, ultimately,
practical applications to the dimensioning of coastal and fluvial
structures are considered.
Despite the rapid growth in the SPH field, this book is the first
to present the method in a comprehensive way for fluids. It should
serve as a rigorous introduction to SPH and a reference for
fundamental mathematical fluid dynamics. This book is intended for
scientists, doctoral students, teachers, and engineers, who want to
enjoy a rather unified approach to the theoretical bases of
Hydraulics or who want to improve their skills using the SPH
method. It will inspire the reader with a feeling of unity,
answering many questions without any detrimental formalism.
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