Xem 1-11 trên 11 kết quả Cotton fibers
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Analysis of gene expression in cotton fiber initials

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  • Cotton bamboo fiber was prepared by steam explosion or mechanical method. Both methods included treated step in NaOH 1 N solution and the treated time was studied. The parameters of cotton fiber have been studied. The results of morphology and mechanical properties showed that the optimum treated time was 2.5 hours for the explosion-cotton fiber and 2 hours for the mechanical-cotton one.

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  • Cotton bamboo fibers were prepared by mechanical method and their diameter were about 9- 26 µm. Surface composition and morphology of fibers were studied. The analytic result shown that most of hemicellulose and lignin were removed. There is a strong and sharp peak in the untreated bamboo spectra at about 1736 cm-1 corresponding to carbonyl group (C=O), but this peak disappeared in alkaline treated bamboo spectra. Epoxy composites reinforced cotton bamboo fiber have been developed with varying fiber contents.

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  • Inventions in steam engines, cotton mills, and iron works converged in the eighteenth century to propel the First Industrial Revolution. Inventions in internal combustion engines, electrification, and steelmaking in the nineteenth century ushered in the Second Industrial Revolution. Today, twentieth-century inventions in digital technology are being conjoined with twenty-first-century innovations in software, materials and advanced manufacturing processes, robotics, and web-based services to inaugurate the Third Industrial Revolution.

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  • Nearly all textile materials are colored after fabrication and before final finishing. The coloration of fibers and fabrics through dyeing is an integral part of textile manufacturing. This book discusses in detail several emerging topics on textile dyeing. The pretreatment of textiles prior to dyeing is addressed by several authors. Menezes and Choudhari present chemical alternatives to traditional pretreatment, while Tavcer discusses enzyme pretreatment procedures.

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  • New analytical strategies and techniques are necessary to meet requirements of modern technologies and new materials. In this sense, this book provides a thorough review of current analytical approaches, industrial practices, and strategies in Fourier transform application.

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  • Agriculture and forestry are poised on the brink of a quantum leap forward through the further application of exciting new tools such as genomics and transgenic plants. In the near future, it will be possible to produce a higher quantity of improved quality crops than even imagined just a few years ago. In addition to feed and food, it will be possible to provide raw materials for industrial uses. For example, cotton fibers, wood ligno-celluloses, corn carbohydrates, soybean oils, and other plant constituents will be altered via designed changes in metabolic pathways.

    pdf102p loixinloi 08-05-2013 23 7   Download

  • Agriculture and forestry are poised on the brink of a quantum leap forward through the further application of exciting new tools such as genomics and transgenic plants. In the near future, it will be possible to produce a higher quantity of improved quality crops than even imagined just a few years ago.  In addition to feed and food, it will be possible to provide raw materials for industrial uses. For example, cotton fibers, wood ligno-celluloses, corn  carbohydrates, soybean oils, and other plant constituents will be altered via designed changes in metabolic pathways.

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  • The goat is an animal truly remarkable, is one of the earliest ruminant domestication people, and offers a wonderful array of products for their use. The rare fiber, cashmere and mohair, cotton royal favorite and has the reputation for goat milk is healthy milk substitute for infants. Goat meat is a dish in all parts of world, and are prized for low-fat and juicy tenderness from children using animals.

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  • Central retinal artery occlusion combined with ischemic optic neuropathy in a 19-year-old woman with an elevated titer of anticardiolipin antibodies. Note the orange dot (rather than cherry red) corresponding to the fovea and the spared patch of retina just temporal to the optic disc. Figure 29-7 Hypertensive retinopathy with scattered flame (splinter) hemorrhages and cotton-wool spots (nerve fiber layer infarcts) in a patient with headache and a blood pressure of 234/120.

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  • The durability of the fabric is determined by the type of fiber used in the construction of the fabric. Each fiber has unique properties such as color retention, luster, sturdiness, cleanability, and pleasing touch qualities. Ask the sales person if you can see the fabric sample of the upholstery fabric you want to purchase. This fabric sample should be labeled with the fiber content. Fibers most often used in upholstery fabrics are acetate, cotton, flax, nylon, olefin, polyester, and rayon.

    pdf5p connhobinh 10-12-2012 26 2   Download

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