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Powder technology is a subject in its own right, and powder
characterization is central to an understanding of this discipline.
In the eight years since the printing of the third edition of
Particle Size Measurement there have been two big changes in my
life. After thirty years of academia I have returned to industry,
and after a lifetime in Great Britain I have emigrated to the
United States. In industry the initial demand is to relate powder
properties to product performance and then to maintain powder
consistency. This requires on-line or rapid off-line analysis
which, in turn, has led to the demand for a whole range of new
instruments whose primary function is process monitoring.
Historically, chemical engineering courses have concentrated on the
be haviour of fluids, and engineers enter industry relatively
unschooled in the subject of powder behaviour . Yet, when my
colleagues Reg Davies and John Boughton surveyed three thousand
Dupont products, they discovered that 80% involved powder at some
stage of their manufacture. The results of this survey illustrate
the need for more training in this key subject. This edition
reflects the changing image of powder characterization towards
in-process size analysis. Hence the chapter covering on-line
analysis has been largely re-written. Apart from this, I have
expanded certain sections and describe the new instruments that
have been introduced since the last edition."
This is the fifth edition of the highly successful work first
published in 1968, comprising two definitive volumes on particle
characterisation. The first volume is devoted to sampling and
particle size measurement, while surface area and pore size
determination are reviewed in volume 2. Particle size and
characterisation are central to understanding powder properties and
behaviour. This book describes numerous potential measuring
devices, how they operate and their advantages and disadvantages.
It comprise a fully comprehensive treatise on the wide range of
available equipment with an extensive literature survey, and a list
of manufacturers and suppliers. The author's blend of academic and
industrial experience results in a readable technical book with
information on how to analyse, present, and extract useful
information from data. This is an essential reference book for both
industrial and academic research workers in a variety of areas
including: pharmaceuticals, food science, pollution analysis and
control, electronic materials, agricultural products, polymers,
pigments and chemicals.
This is the fifth edition of the highly successful work first
published in 1968, comprising two definitive volumes on particle
characterisation. The first volume is devoted to sampling and
particle size measurement, while surface area and pore size
determination are reviewed in volume 2. Particle size and
characterisation are central to understanding powder properties and
behaviour. This book describes numerous potential measuring
devices, how they operate and their advantages and disadvantages.
It comprise a fully comprehensive treatise on the wide range of
available equipment with an extensive literature survey, and a list
of manufacturers and suppliers. The author's blend of academic and
industrial experience results in a readable technical book with
information on how to analyse, present, and extract useful
information from data. This is an essential reference book for both
industrial and academic research workers in a variety of areas
including: pharmaceuticals, food science, pollution analysis and
control, electronic materials, agricultural products, polymers,
pigments and chemicals.
All living things on Earth are composed of cells. A cell is the
simplest unit of a self-contained living organism, and the vast
majority of life on Earth consists of single-celled microbes,
mostly bacteria. These consist of a simple 'prokaryotic' cell, with
no nucleus. The bodies of more complex plants and animals consist
of billions of 'eukaryotic' cells, of varying kinds, adapted to
fill different roles - red blood cells, muscle cells, branched
neurons. Each cell is an astonishingly complex chemical factory,
the activities of which we have only begun to unravel in the past
fifty years or so through modern techniques of microscopy,
biochemistry, and molecular biology. In this Very Short
Introduction, Terence Allen and Graham Cowling describe the nature
of cells - their basic structure, their varying forms, their
division, their differentiation from initially highly flexible stem
cells, their signalling, and programmed death. Cells are the basic
constituent of life, and understanding cells and how they work is
central to all biology and medicine. ABOUT THE SERIES: The Very
Short Introductions series from Oxford University Press contains
hundreds of titles in almost every subject area. These pocket-sized
books are the perfect way to get ahead in a new subject quickly.
Our expert authors combine facts, analysis, perspective, new ideas,
and enthusiasm to make interesting and challenging topics highly
readable.
Microscopy is a dynamic area of science, incorporating both basic
classroom microscopes and sophisticated research style instruments
that can be driven by light, electrons, or X-rays. The rate of
advance in the area over the last 50 years has led to a number of
technological advances. In this Very Short Introduction Terence
Allen, an established expert on microscope techniques, describes
the scientific principles behind the main forms of microscopy, and
the exciting new developments in the field. Focusing on the main
underlying principles, and introducing the power of what is
achievable today using microscopes, Allen demonstrates how
microscopy impinges on almost every aspect of our daily lives; from
medical diagnosis to quality control in manufacture. Beginning with
a brief history of the early stages of microscopy development,
Allen then concludes with a comprehensive account of the diverse
spectrum of microscopy available today. ABOUT THE SERIES: The Very
Short Introductions series from Oxford University Press contains
hundreds of titles in almost every subject area. These pocket-sized
books are the perfect way to get ahead in a new subject quickly.
Our expert authors combine facts, analysis, perspective, new ideas,
and enthusiasm to make interesting and challenging topics highly
readable.
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