Black cotton soils and oher expansive soils have typical characteristics of shrinkage and swelling due to moisture movement through them. During rainy season, moisture penetrates into these soils, due to which they swell. Most of the fine grained clays, including black cotton soils have their grains which are more or less in the form of platelets or sheets (just like leafs of a book), and their grains are not round. When moisture enter betwecn the platelets under some hydrostatic pressure, the particles separare out, resulting in increase in th ....etc

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A cotton mill is a factory housing powered spinning or weaving machinery for the production of yarn or cloth from cotton,an important product during the Industrial Revolution when the early mills were important in the development of the factory system.

Although some were driven by animal power, most early mills were built in rural locations near to fast-flowing rivers and streams and had water wheels to power them.The development of viable rotative steam engines by Boulton and Watt led from 1781 to the growth of larger, steam-powered mills and ....etc

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Black cotton soils are highly clayey soils
grayish to blackish in color. They contain montmorillonite
clay mineral which has high expansive characteristics. Black
Cotton soils have low shrinkage limit and high optimum
moisture content. It is highly sensitive to moisture changes.
While laying roads or constructing foundations, the sub grade
and its undesirable characteristics need to be modified using a
suitable stabilization technique. Stabilization involves the
methods used for modifying the properties of a soil to improve
its enginee ....etc

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free download ppt on electronic cotton

Electronic Cotton
Several university laboratories are developing transistors the building blocks of all computers that are literally woven from cotton fibers. In a recent project led by Cornell University s Textiles Nanotechnology Laboratory, engineers coated cotton with gold nano particles and a conductive polymer layer. So far, they ve only created simple circuits as a proof of concept. The first applications will likely be, say, clothing with chemical sensors for firefighters or shirts that measure ....etc

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To get full information or details of ppt on cotton transistor please have a look on the pages

http://seminarsprojects.net/Thread-spin-valve-transistor-ppt-download

http://seminarsprojects.net/Thread-tri-gate-transistors--4756?pid=16968&mode=threaded

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Black cotton soils and oher expansive soils have typical characteristics of shrinkage and swelling due to moisture movement through them. During rainy season, moisture penetrates into these soils, due to which they swell. Most of the fine grained clays, including black cotton soils have their grains which are more or less in the form of platelets or sheets (just like leafs of a book), and their grains are not round. When moisture enter betwecn the platelets under some hydrostatic pressure, the particles separare out, resulting in increase in th ....etc

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