identification of vegetable fibres

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Identification Of Vegetable Fibres

Author : D. Catling
ISBN : 9789401180702
Genre : Juvenile Nonfiction
File Size : 64. 74 MB
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It is often possible to identify fragments of plants by studying their microscopical characteristics. The recognition of a single feature very rarely establishes the plant's identity; more often, it is necessary to recognize a unique combination of characteris tics. For plant identification, the most valuable characteristics are those least likely to be affected by changes in environment; if the feature is uncommon as well as stable, it is even more useful. Good descriptions of the anatomy of plants are invaluable. For example, The Identifi cation of Hardwoods (Brazier and Franklin, 1961), together with its punched card key, is an excellent book which is useful in practice. Characters describing the sc1erenchyma account for only three places in this key. Using only these characters, it would be impossible to identify a timber. Is it possible then, to identify a species given only sc1erenchyma in the form of a commercial fibre? If it is possible, it is not easy. Although, for many purposes, plant fibres are being replaced by man-made fibres, vegetable fibres are still used, particularly in sacking and cordage and in some indus trial materials. Articles which must be examined in a forensic science laboratory are not always of recent manufacture and archaeologists and historians are interested in older materials. Therefore, it is still necessary for many workers to identify the plant species from which fibres have been extracted.

Handbook Of Natural Fibres

Author : Ryszard M Kozłowski
ISBN : 9780857095503
Genre : Technology & Engineering
File Size : 54. 85 MB
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Growing awareness of environmental issues has led to increasing demand for goods produced from natural products, including natural fibres. The two-volume Handbook of natural fibres is an indispensible tool in understanding the diverse properties and applications of these important materials. Volume 1: Types, properties and factors affecting breeding and cultivation is an essential guide to a wide range of natural fibres, and highlights key techniques for their improvement. Part one reviews key types and fundamental properties of natural textile fibres. The production, identification and testing of a range of cotton, bast, silk and wool fibres are discussed, alongside bioengineered natural textile fibres. Part two goes on to explore the improvement of natural fibre properties and production through breeding and cultivation, beginning with a discussion of fibrous flax and cotton. Improved natural fibre production through the prevention of fungal growth is explored, along with the use of genetic engineering and biotechnology to enhance desirable characteristics. Finally, the wider impact of natural textile production is discussed, using wild silk enterprise programs as an example. With its distinguished editor and international team of expert contributors, the two volumes of the Handbook of natural fibres are essential texts for professionals and academics in textile science and technology. Provides an essential guide to a wide range of natural fibres and highlights key techniques for their improvement Reviews key types and fundamental properties of natural textile fibres, addressing the production, identification and testing of a range of cotton, bast, silk and wool fibres Explores the improvement of natural fibre properties and production through breeding and cultivation, beginning with a discussion of fibrous flax and cotton

Forensic Examination Of Fibres Third Edition

Author : James Robertson
ISBN : 9781439830710
Genre : Law
File Size : 56. 84 MB
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In order for forensic fibre examiners to fully utilize fibre and textile evidence during their analysis, they require not only specialised forensic knowledge but also in-depth knowledge of fibres, yarns and fabrics themselves. Production, both the chemical and physical structure, and the properties of these materials is required in order to determine the value of fibre evidence. This includes knowing production figures, fashion changes, sudden arrivals of new materials, dye variability, and numerous other factors that may have a bearing on the information obtained. Fully updated with the latest advances, Forensic Examination of Fibres, Third Edition continues in the tradition of the First (1992) and Second Editions (1999) as the premier text on the subject of forensic fibre analysis. The international team of contributing authors detail the recovery of the evidence—through the different stages of laboratory examination—to the evaluation of the meaning of findings. The coverage has been considerably expanded, and all material, has been revised and wholly updated. Topics covered include examining damaged textiles, infrared microspectroscopy and thin layer chomatography, and colour analyses.? This edition also highlights the critical role of quality assurance in ensuring the reliability of the technical observations and results, and, in doing so, looks at the implications of supervisory managers and labs in the accurate and responsible analysis of such evidence. Features include: Outlining evidentiary process from collecting and preserving the evidence at the crime scene through the laboratory analysis of fibres Detailing the latest developments and emerging technologies including Kevlar and other such advances in fibre technology Coverage of a broad array of fibres both, natural (cellulose, protein, and mineral) and man-made fibres including synthetic, inorganic and regenerated Forensic Examination of Fibres, Third Edition is a much-needed update to the classic book, serving as an indispensable reference to crime scene technicians, laboratory forensic scientists and microscopists, students in police, forensic, and justice science programs.

Identification Of Textile Fibers

Author : M M Houck
ISBN : 9781845695651
Genre : Technology & Engineering
File Size : 82. 37 MB
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The identification of fibers is important to the textile industry, forensic science, fashion designers and historians among others. Identifying fibers involves observing the physical and chemical properties of the fiber for which there are a wide diversity of instruments available. This book provides a comprehensive review of fiber structure, the diversity of instruments available to identify fibers and applicications for a range of industries. The first part of the book examines the main fibers, their structure and characteristics. Part two focuses on methods of fiber identification, ranging from microscopic to DNA analysis. Specific applications, including how textiles are identified in forensic investigations. Identification of textile fibers is an important text for forensic scientists, police and lawyers who may be involved with the use of textile fibers to provide evidence in criminal cases. It will also be relevant for textile designers, technologists and inspectors wishing to assess fiber quality and understand fiber damage. Provides a comprehensive review of the main types of fibre together with their structure, characteristics and identification Assesses methods of fibre identification from optical microscopy to DNA analysis as well as instruments available to identify fibres

Microscopy Of Textile Fibres

Author : P. H. Greaves
ISBN : UOM:39015034011026
Genre : Science
File Size : 63. 91 MB
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This practical guide provides an up-to-date description of the properties and characteristics of textile fibres which may be investigated using different forms of microscopy. The book offers clear guidance on sampling, specimen preparation and examination procedures, including identification and measurement of fibres, analysis of speciality fibres, polarized light microscopy, scanning and transmission electron microscopy, and confocal and infrared microscopy. Microscopy of Textile Fibres is written with current technological and commercial requirements in mind, and is essential reading for textile technologists, fibre scientists, and any microscopists called upon to examine textile materials. It will also be of interest to forensic scientists, materials analysts and textile historians.

Handbook Of Fiber Chemistry Second Edition Revised And Expanded

Author : Menachem Lewin
ISBN : 0824794710
Genre : Science
File Size : 36. 19 MB
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"Offers comprehensive coverage of the most important natural and synthetic fibers used in consumer goods, agriculture, industry, medicine, and engineering. Second Edition provides entirely new coverage of topics such as vinyl fibers; mammalian fibers related to wool; cotton, jute, silk, and kenaf fibers; and acrylic fibers."

A Text Book Of Fibre Science And Technology

Author :
ISBN : 8122412505
Genre : Fibers
File Size : 37. 18 MB
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Focussing On The Fundamentals Of Natural And Manmade Fibres, This Book Systematically Explains Fibre Extraction/Production, Structure, Properties And Uses.Recent Developments Like Different Aliphatic And Aromatic Polyamides, Ployimides, Novoloids, Polycarbonates, Carbon, High Performance Polyethylenes, Etc. Have Also Been Explained In A Simplified Manner. Diverse Applications Of Fibres Have Been Included To Illustrate Their Use And Utility.This Book Will Serve As A Basic Text For Both Diploma And Degree Students Of All Textile Disciplines. It Would Also Serve As A Useful Reference For Researchers And Professionals Engaged In This Area.

Small Scale Fishing With Driftnets

Author : Ludvik Karlsen
ISBN : 9251025258
Genre : Drift net fishing
File Size : 30. 9 MB
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Chemical Age Of India

Author : J.P. De Sousa
ISBN : UOM:39015022411832
Genre : Chemical industry
File Size : 30. 15 MB
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Review Of Textile Progress

Author :
ISBN : WISC:89034756254
Genre : Textile chemistry
File Size : 62. 30 MB
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