Weaving: interlacing yarns Fabric Face: smoother and more lustrous; clearer and brighter print or design; more pronounced finish; floats are on the face Fabric Back: imperfections and knots; print or design duller and less distinctive; more noticeable tentering marks Warp Yarns: parallel to the salvage; thinner; stronger; more twist; usually greater in number (in unbalances weaves); straighter and more parallel; usually filament yarns (depending on fabric content) Filling Yarns: perpendicular
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Whatman Paper f) Distilled H2O Background Rayon is a synthetic fiber produced from cellulose. Developed in an attempt to produce silk chemically‚ it was originally called artificial silk or wood silk. Rayon is a regenerated fiber‚ because cellulose is converted to a liquid compound and then back to cellulose in the form of fiber. For example‚ cuprammonium rayon is made by dissolving cellulose in an ammoniacal copper sulphate solution. The characteristics of rayon fibers are:
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effect that it did on the pole bean plants. I would also weigh the plants to find out their overall mass. I would also find out how much sugar is being produced by photosynthesis Cellophane is a thin‚ transparent sheet made of regenerated cellulose. Its low permeability to air‚ oils‚ greases and bacteria makes it useful for food packaging. It’s clear‚ it’s handy‚ and it’s wrapped around my candy. The cellophane wrap is one of the most versatile discoveries of the 1900s. Intended to be a protective
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of cellulose :- The kraft process is used to separate cellulose from lignin‚ another major component of plant matter. Cellulose is the major constituent of paper‚ paperboard‚ and card stock and of textiles made from cotton‚ linen‚ and other plant fibers. Cellulose can be converted into cellophane‚ a thin transparent film‚ and into rayon‚ an important fiber that has been used for textiles since the beginning of the 20th century. Both cellophane and rayon are known as "regenerated cellulose fibers";
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composed 94% cellulose. Chemical composition of cotton fiber: Constituents Percent Cellulose 94.0% Protein 1.3 Paretic substances 1.2 Ash 1.2 Fat and was 0.6 Organic acid‚ sugar and others 1.7 Although cellulose is the chief component
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J Polym Environ (2007) 15:25–33 DOI 10.1007/s10924-006-0042-3 ORIGINAL PAPER Chemical Treatments of Natural Fiber for Use in Natural Fiber-Reinforced Composites: A Review Xue Li Æ Lope G. Tabil Æ Satyanarayan Panigrahi Published online: 4 January 2007 Ó Springer Science+Business Media‚ LLC 2006 Abstract Studies on the use of natural fibers as replacement to man-made fiber in fiber-reinforced composites have increased and opened up further industrial possibilities. Natural fibers have
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Summer Training Report On ANALYSIS ON RAYON PRODUCTION & SALES Submitted in Partial Fulfillment for the Award of the Diploma of Post Graduate Diploma in Management (Session 2009-11) Submitted to: Examination controller Submitted By: SUMIT Kr. GUPTA Internal Guide: ASHISH JHA Roll No: PGD09151 PGDM: I yr Department of Management Institute of MANAGEMENT STUDIES‚ NOIDA A UGC Recognized Institute A-8B‚ Plot –C‚ Sector-62‚ Noida DECLARATION I
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Acknowledgements First of all‚ we would like to express our deepest appreciation to our Biology Semester2 lecturer and supervisor who provided us the possibility to complete this proposal. A special gratitude we would like to give to Mr. Shawn K. Nithianantham‚ whose provided us a lot of valuable advice and suggestions‚ and helped us to coordinate our project proposal. We would also like to express our gratitude towards him for showing us useful examples that related to this proposal
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example‚ horn‚ which becomes transparent and pale yellow when heated‚ was used to replace glass in the 18th century. The original breakthrough for the first semi-synthetic plastics material – cellulose nitrate occurred in the late 1850s and involved the modification of cellulose fibers with nitric acid. Cellulose nitrate had many false starts and financial failures following its invention by a Briton‚ Alexander Parkes‚ who exhibited it as the world’s first plastic in 1862. Firstly known as Parkesine
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planet is cellulose. While cellulase is the enzyme to degrade this carbon and it is a key enzyme in the bio refinery process of producing green chemicals (Ponnambalam et al.‚ 2011). In screening for the cellulolytic fungi‚ several qualitative display of cellulolytic such congo red clearing zone assay‚ gel diffusion assay and dyed congo red filter paper clearing zone assay can be used. In this screening‚ congo red clearing zone assay is performed on 9 unknown fungi isolates on CMC media. Cellulose degradation
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