This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细
学品的开发及生产进展,包括
甲酮类、氯代甲
类、异氰酸类、酰氯类、碳酸类合物。
]联；[
]基]醚This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细学品的开发及生产进展,包括甲酮类、氯代甲类、异氰酸类、酰氯类、碳酸类合物。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催下的
缩合反应,是合成乙烯(烷)类合物的重要途径.
Methods Using the assay system of peroxide value (POV), diphenyl picryl-hydrazyl (DPPH), the antioxidative activities of various extracts were studied and comparedwith VE and VC.
方法以过值(POV)法和DPPH法对提取物进行抗
性的测定,以维生素E(VE)和维生素C(VC)作抗性能对照。
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