transportation without increasing environmental hazard( ganguly‚ Chattejee‚ Dey‚2011). Eichhornia crassipes‚ water hyacinth is a lignocellulosic material which is considered as a good source of biomass. water hyacinth is compose of different fiber s: lignin‚ cellulose‚ and hemicelluloses. INTRODUCTION Water lilies also known as water hyacinth
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Coimisiún na Scrúduithe Stáit Scrúduithe Stáit State Examinations Commission State Examinations Commission Leaving Certificate 2012 Certificate 2012 Marking Scheme Scheme Biology Design and Communication Graphics Higher Level Introduction The marking scheme is a guide to awarding marks to candidates‟ answers. It is a concise and summarised guide and is constructed in a way to minimise its word content. Examiners must conform to this scheme and may not allow marks for answering outside
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Improved nutrition The GM oilseed crops on the market today offer improved oil profiles for processing or healthier edible oils.[58] The GM crops in development offer a wider array of environmental and consumer benefits such as nutritional enhancement and drought and stress tolerance. GM plants are being developed by both private companies and public research institutions such as CIMMYT‚ the International Maize and Wheat Improvement Centre.[59] Other examples include a genetically modified cassava
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with thick walls made of cellulose. They are pale when immature but later become hardened and yellowed as a layer of lignin is deposited on their walls. There are two varieties of coir. Brown coir is harvested from fully ripened coconuts. It is thick‚ strong and has high abrasion resistance. It is typically used in mats‚ brushes and sacking. Mature brown coir fibres contain more lignin and less cellulose than fibres such as flax and cotton and so are stronger but less flexible. They are made up of small
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6. [pic] 5. In boreal coniferous forests‚ polypores are the most important decomposers of dead trees. Brown-rot fungi decompose only carbohydrate components of wood‚ leaving most of the lignin unaltered. White-rot fungi that decompose all major components of wood equally and eventually decay the wood completely. 7. No people live in the boreal forest of Russia 8. Perhaps the biggest
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sugar molecule which is an essential need for the bacteria to survive. Plant cell walls contain cellulose‚ pectin and hemicellulose and have two cell walls‚ a primary wall that is thin and flexible‚ and a secondary wall that is thick and contains lignin. Both the bacterial and plant cell wall are there to surround and protect them from the environment. Cytoskeleton The cytoskeleton is composed of three different types of fibers‚ microtubules‚ microfilaments and intermediate filaments. Microtubules
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Properties and applications of Materials Assignment 2 Task 1 (P1) I. Describe the structure including the atomic structure of the element copper. Copper has a symbol Cu. It is a metal with a very high thermal and electrical conductivity. Pure copper is soft and malleable when it is freshly exposed the surface has a reddish-orange colour. It has an atomic mass of 63.546 g.mol -1 and an atomic number of 29. The electrons per energy level for copper go 2‚8‚18‚1. Copper has an atomic number of 29‚ thus
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primary cell walls of adjacent plant cells‚ lies a pectic middle lamella. There can be a secondary cell wall which would be located just to the inside of the primary wall. Both walls consist mainly of cellulose‚ but the secondary cell wall may contain lignin and other substances. The outer boundary of the protoplasm (cytoplasm and nucleus) is a sandwich-like‚ flexible plasma membrane. This membrane regulates what enters and leaves the plant cell. Plant cell organelles include: endoplasmic reticulum‚ with
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Experimental Investigation and Analysis of Mercerized and Citric Acid Surface Treated Bamboo Fiber Reinforced Composite Abstract: Mercerization or NaOH fiber surface treatment is one of the most popular surface treatment processes to make the natural fibers such as bamboo fibers compatible for use as reinforcing material in composites. But NaOH being a chemical is hazardous and polluting to the nature. This paper explores the possibility of use of naturally derived citric acid for bamboo fiber
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Indian Paint Fungus Echinodontium tinctorium NR-11 Silviculture Raoul Salas Title & Introduction The forest disease I have chosen to report on is the Indian Paint Fungus. The scientific name is Echinodontium tinctorium. The nomenclature goes as follows: Kingdom: Fungi Division: Basidiomycota Class: Agaricomycetes Order: Russulales Family: Echinodontiaceae Genus: Echinodontium Species: E. tinctorium The Indian Paint Fungus is a fungi or a mushroom as some call them. It is considered a pathogen
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