Carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.
一种碳酸二酯的合成方法，通过一氧化碳和亚硝酸酯在催化剂存在下，用较低的压力和较低的温度偶联合成碳酸二酯。
Diphenyl carbonate shows a typical vinyl ester effect.
碳酸二苯酯表现典型的乙烯的酯类的效应。
The effects of the contents of activated light calcium carbonate, PE wax and acrylic ester(ACR) on the surface gloss of plastics profile shapes were studied.
研究了活性轻质碳酸钙（活性钙）、聚乙烯蜡（PE蜡）、丙烯酸酯（ACR）用量对型材表面光亮度的影响。结果表明活性钙用量越多，型材表面光亮度越差；
The residual pesticide degrading agent is nano size titania powder, nano size zinc oxide powder, peroxide, sucrose ester of fatty acid, carbonate or alkali.
一种残留农药降解剂，其特征所述的降解剂是纳米粒径的二氧化钛粉体或纳米粒径的氧化锌粉体或过氧化物或脂肪酸蔗糖脂或碳酸盐或碱。
The residual pesticide degrading agent is nano size titania powder, nano size zinc oxide powder, peroxide, sucrose ester of fatty acid, carbonate or alkali.
一种残留农药降解剂，其特征所述的降解剂是纳米粒径的二氧化钛粉体或纳米粒径的氧化锌粉体或过氧化物或脂肪酸蔗糖脂或碳酸盐或碱。
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