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The rolling element is a radial rolling bearing of cylindrical rollers. The internal structure of the cylindrical roller bearing adopts the parallel arrangement of the rollers, and the spacers or spacers are installed between the rollers, wh…

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High Purity Iron powder Fe Powder CAS 7439-89-6, 99%

Nano-iron is a superfine iron ion laser beam through variable current equipment fumed, product powder uniform particle size, narrow particle size distribution, high purity, low carbon, sulfur, phosphorus and other harmful elements.Purity>99.9% Abo…

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Why calcium hydride is used as a reducing agent in organic synthesis

What does calcium hydride mean? Calcium hydride, a common chemical agent with a chemical composition of CaH2 (molecular weight 42.10). A grayish-white block or crystal that is easily deliquescent can be used to reduce, desiccant and chemical analysis…

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