magnesium phosphate

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• 英语翻译119.0 g of cyclopentyl bromide and 19.4 g of magnesium are reacted in ether or THF to give a cyclopentyl Grignard reagent.The best yields are obtained if the ether solvent is distilled from the Grignard under vacuum and replaced with hydrocarbon solvent,such as benzene.55.2 g of o-chlorobenzonitrile is then added to the reaction mixture and stirred for three days.The reaction is then hydrolyzed by pouring it onto a mixture of crushed ice and ammon
• 求人给我翻译下这篇英语文章!急! 高分啊!Magnesium is another mineral we now obtain by collecting huge volumes of ocean water and treating it with chemicals, although originally it was derived only from brines or from the treatment of such magnesium-containing rocks as dolomite of which whole mountain ranges are composed. In a cubic mile of seawater there are about four million tons of magnesium. Since the direct extraction method was developed about 1941. Produ
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• CHEMISTRY-RELATIVE ATOMIC MASSthe mass of a hydrogen atom 1/1H is equal to 1/12 of the mass of a carbon-12 atom,so its relative isotopic mass is 1.A magnesium atom 24/12Mg is twice as heavy as a carbon-12 atom,so its relative isotopic mass is 24再给另一个例子不要用英文角度解释
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• 请高手帮忙翻译下这是什么意思,谢谢Binder : epoxy resin hardened with polyamidePigment: titanium dioxide, zinc oxide, zinc phosphate, tinting additives
• 英语翻译To validate the LNB hypothesis,it may be necessary to develop a practical method for the production of LNB on a large scale.Should LNB become easily available,the enduring enigma of the bifidus factor of human milk may be solved.Recently Nishimoto and Kitaoka(2007b) succeeded in the production of this disaccharide on a large scale using four different enzymes that were incubated in a medium containing sucrose,GlcNAc,phosphate,UDP-Glc and MgCl2.
• magnesium phosphate
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