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Genre: Technology & Engineering
Author: M. Ben-Yami
Publisher: Food & Agriculture Org.
Release: 1988
File: 72 Pages
ISBN-13: 9251024111

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Genre: Science
Author: G. P. Konnen
Publisher: CUP Archive
Release: 1985-09-05
File: 172 Pages
ISBN-13: 0521258626

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The dialectic of light and darkness studied in this collection of essays reveals itself as a primal factor of life as well as the essential element of the specifically human world. From its borderline position between physis and psyche, natural growth and techne, bios and ethos, it functions as the essential factor in all the sectors of life at large. We see its crucial role in all sectors of life while, prompted by man's creative imagination, it enhances and spurs his vital as well as societal and spiritual life. This rare collection contains studies by Thomas Ryba, Krystina Górniak-Kocikowska, Lois Oppenheim, Sydney Feshback, Eldon van Lieve, Sitansu Ray, Theodore Litman, Peter Morgan, Colette Michael, Christopher Lalonde, L. Findlay, Christopher Eykman, Beverly Schlack Randles, Jorge García-Gómez, William Haney, Sherilyn Abdoo, David Brottman, Alan Pratt, Hans Rudnick, George Scheper, Freema Gottlieb, Marlies Kronegger.

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Genre: Philosophy
Author: Anna-Teresa Tymieniecka
Publisher: Springer Science & Business Media
Release: 1992-07-31
File: 387 Pages
ISBN-13: 0792316010

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Optical and electron microscopes are often used effectively despite little knowledge of the relevant theory or even of how a particular type of microscope functions. Eventually however proper use interpretation of images and choices of specific applications demand an understanding of fundamental principles. This book describes the principles of operation of each type of microscope currently available and of use to biomedical and materials scientists explains the mechanisms of image formation (contrast and its enhancement) accounts for ultimate limits on the size of observable details (resolving power and resolution) and finally provides an account of Fourier optical theory. Principles behind the photographic methods used in microscopy are described and there is some discussion of image processing methods. Throughout the text emphasises the underlying similarity of all microscope systems and recognising that biologists may often be uncomfortable with mathematical approaches every effort has been made to present concepts verbally. Where mathematical treatment is indispensible the nature of its contribution is made explicit.

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Genre: Medical
Author: Elizabeth M. Slayter
Publisher: Cambridge University Press
Release: 1992-10-30
File: 312 Pages
ISBN-13: 0521339480

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This book provides a detailed description of light absorption and absorbents in seawaters with respect to provenance, region of the sea, depth of the occurrence and trophicity. The text is based on a substantial body of contemporary research results taken from the subject literature (over 400 references) and the work of the authors over a period of 30 years.

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Genre: Science
Author: Bogdian Wozniak
Publisher: Springer Science & Business Media
Release: 2007-05-11
File: 452 Pages
ISBN-13: 9780387495606

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This fourth volume of Light Scattering Reviews is composed of three parts. The ?rstpartisconcernedwiththeoreticalandexperimentalstudiesofsinglelightsc- tering by small nonspherical particles. Light scattering by small particles such as, for instance, droplets in the terrestrial clouds is a well understood area of physical optics. On the other hand, exact theoretical calculations of light scattering p- terns for most of nonspherical and irregularly shaped particles can be performed only for the restricted values of the size parameter, which is proportional to the ratio of the characteristic size of the particle to the wavelength?. For the large nonspherical particles, approximations are used (e. g. , ray optics). The exact th- retical techniques such as the T-matrix method cannot be used for extremely large particles, such as those in ice clouds, because then the size parameter in the v- iblex=2?a/???,wherea is the characteristic size (radius for spheres), and the associated numerical codes become unstable and produce wrong answers. Yet another problem is due to the fact that particles in many turbid media (e. g. , dust clouds) cannot be characterized by a single shape. Often, refractive indices also vary. Because of problems with theoretical calculations, experimental (i. e. , la- ratory) investigations are important for the characterization and understanding of the optical properties of such types of particles. The ?rst paper in this volume, written by B. Gustafson, is aimed at the descr- tionofscaledanalogueexperimentsinelectromagneticscattering.

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Genre: Science
Author: Alexander A. Kokhanovsky
Publisher: Springer Science & Business Media
Release: 2009-07-25
File: 516 Pages
ISBN-13: 9783540742760

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Polarized Light, Second Edition explores polarized light, its production, and its use, facilitating self-study without prior knowledge of Maxwell's equations. This comprehensive second edition includes more than 2500 thoroughly updated figures and equations for easier understanding and application across various industries. It features new chapters on polarization by refraction and reflection, polarization elements, anisotropic materials, Stokes polarimetry, Mueller matrix polarimetry, the mathematics of the Mueller matrix. This edition also offers updated and expanded material on the derivation of the Fresnel equations with plots of the magnitude and phase of the reflection coefficients.

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Genre: Technology & Engineering
Author: Dennis Goldstein
Publisher: CRC Press
Release: 2003-06-13
File: 680 Pages
ISBN-13: 020391158X

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The production of environmentally friendly, sustainable, chemical-free food continues to challenge the food industry, spurring on investigations into alternative food processing techniques that are more sophisticated and diverse than current practices. Exploring one of these emerging solutions, Ultraviolet Light in Food Technology: Principles and Applications incorporates the fundamentals of continuous and pulsed UV light generation and propagation; current food regulations; recommendations for optimal UV reactor design, selection, and validation; information on both commercially available and under-development UV sources; and the outlook for future food applications. After reviewing essential terms, definitions, and current applications, the book emphasizes the need to properly assess the physical and chemical properties in foods that influence the effectiveness of UV treatment and impact inactivation kinetics. It also addresses the effects of UV processing on food quality, before considering the engineering aspects of UV light treatment, such as transport phenomena, process calculations, and continuous-flow reactor geometries. The book then describes the principles of validating UV reactors as well as the principles and applications of UV pulsed light, including microbial inactivation in water, meat, fruits, vegetables, and packaging materials. For anyone working in food research, development, and operations, this resource provides broad, accessible information on the science and applications of UV light technology. It shows how UV light irradiation can be used as a physical preservation method in food processing.

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Genre: Technology & Engineering
Author: Larry J. Forney
Publisher: CRC Press
Release: 2009-03-06
File: 296 Pages
ISBN-13: 1420059513

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Plants utilize light not only for photosynthesis but also as environmental signals. They are capable of perceiving wavelength, intensity, direction, duration, and other attributes of light to perform appropriate physiological and developmental changes. This volume presents overviews of and the latest findings in many of the interconnected aspects of plant photomorphogenesis, including photoreceptors (phytochromes, cryptochromes, and phototropins), signal transduction, photoperiodism, and circadian rhythms, in 42 chapters. Also included, is a prologue by Prof. Masaki Furuya that gives an overview of the historical background. With contributions from preeminent researchers in specific subjects from around the world, this book will be a valuable source for a range of scientists from undergraduate to professional levels.

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Genre: Science
Author: M. Wada
Publisher: Springer Science & Business Media
Release: 2005-04-01
File: 370 Pages
ISBN-13: 4431240020

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While the human eye can practically cope only with two aspects of light, brightness and colour, many animals use polarization as a further source of visual information. The text starts with an introduction into imaging polarimetry, an efficient technique for measuring light polarization, and moves onto a description of the various polarization patterns occurring in nature, such as celestial polarization. The major part of the book is dedicated to the fascinating question: How do animals use polarization patterns? Following a compendium of the physiology of polarization sensitivity, several case studies are presented, such as honeybees or ants using polarized light as a compass or aquatic animals orientating by the underwater polarization. Further, it is explained how man-made objects affecting the natural optical environment may disorientate animals. For instance, as in the case where oil or glass surfaces can be more attractive for water-seeking polarotactic insects than the water surface.

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Genre: Medical
Author: Gabor Horvath
Publisher: Springer Science & Business Media
Release: 2004-01-12
File: 447 Pages
ISBN-13: 3540404570

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