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El ojo funciona como un instrumento óptico y en este libro se estudia el funcionamiento del ojo como un sistema óptico muy sencillo. Aquí se aclaran muchas cuestiones relacionadas con la optometría: la nitidez de las imágenes, la visión de los ojos miopes e hipermétropes, algunas ventajas de las lentes de contacto sobre las gafas, los efectos limitadores de una gafa sobre el campo visual, etc. Estas y otras muchas cuestiones pueden explicarse de manera muy simple a partir de un modelo de ojo paraxial. Se trata de un texto básico de óptica fisiológica enfocado a los alumnos de Óptica y Optometría, aunque también es un libro útil para otros estudios relacionados con la visión humana. El texto incluye al final de cada capítulo una serie de cuestiones y problemas básicos destinados a una mejor comprensión de los contenidos teóricos.
Provides: over 26,000 academic institutions, 150,000 staff and officials; extensive coverage of universities, colleges and other centres of learning; and detailed information on over 400 international cultural, scientific and educational organizations.
The measurement of colour is important in many commercial operations and professions, such as bleaching and colouration of textiles, applications of paints, dentistry and colouration of food products. This book will discuss colour measurement theories, the latest technological and scientific developments of measuring colour and the applications of colour measurement.Part one reviews the underlying theories, principles and methods of how to measure colour. It includes topics such as expressing colours numerically, camera based colour measurement, colour shade sorting and determining and improving the accuracy of colour measurement. Part two presents a selection of industrial applications illu...
Contains information on international organizations and individual chapters on academic institutions in countries from Afghanistan to Zimbabwe. A comprehensive index is included in both volumes.
This book is a printed edition of the Special Issue "Fungal Pigments" that was published in JoF
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Natural Dyes for Textiles: Sources, Chemistry and Applications is an in-depth guide to natural dyes, offering complete and practical coverage of the whole dyeing process from source selection to post-treatments. The book identifies plants with high dye content that are viable for commercial use, and provides valuable quantitative information regarding extraction and fastness properties, to aid dye selection. The book presents newer natural dyes in detail, according to their suitability for cotton fabrics, silk fabrics, and wool yarn, before describing the application of each dye. Extraction of plant parts for isolation of colorants, chromatographic techniques for separation, spectroscopic an...