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isolate |
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isolate [′ī·sə‚lāt] (chemical engineering) To separate two portions of a process system by means of valving or line blanks; used as safety measure during maintenance or repair, or to redirect process flows. (electricity) To disconnect a circuit or piece of equipment from an electric supply system. (genetics) A population so cut off from others that mating occurs only within the group. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| However, due to technical difficulties in fulfilling this RoHS Directive for some components and processes, including optical isolators, which are indispensable components for optical fiber communication systems, an accommodation was made in the RoHS regulations to allow exemptions for such cases and a less absolute standard of regulating lead content to below 1,000 ppm has been planned to be adopted, although it was expected that completely lead-free optical isolators would be developed soon. With its extra measure of ozone resistance and low gas permeability, Hydrin is said to serve well in gaskets, oil field specialties, hoses, diaphragms, pump and valve parts, belting, vibration isolators, etc. The company was founded 20 years ago by three former Jet Propulsion Lab engineers and generates $5 million a year in revenues, with most of its sales coming from isolators sold to the military, cellular phone companies and other communications companies. |
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