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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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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This sensor system is mainly composed of a laser and charge couplded device. The laser hologram contains information regarding complex interactions between laser and externally supplied particles passing through matter surface. The system is based on new concepts of light. No existing sensors can do.....
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