A process for the preparation of carbon layers on powdered supports comprising dissolving a hydrophilic polymer (PH) at the level of 85 do 99.9% by weight in water, adding pyromellitic acid (PMA) or pyromellitic dianhydride (PMDA) at the level of 0.1-15% by weight, then introducing to the mixture th.....
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The device has two shell elements (1, 2) and lock (3), which concluded lockers for strong rigid connection of shell elements (1, 2), where enclose at least part of the handle (4) Button (6), especially in automatic transmissions. Shell element (1), on the location of the (6) has an internal shape co.....
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An actuator varies a focal length of the mirror depending on the distance of an object in front of the mirror by changing its radius of curvature.
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dairy or cattle or horse farms1 cow = 1000 watts, 1000 cows = 1MW. As a good side-effect, the herd dressed in sexy colorful thermal coat will also stimulate higher reproduction and more milk production. Water jack can also relieve the animal heat stress.
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A labyrinth seal includes a first disc and a second disc spaced axially from the first disc such that an axial intermediate chamber is formed between the first and the second discs. A first ring connected with the first disc so as to extend generally toward the second disc and into the axial chamber.....
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