常見(jiàn)例句雙語(yǔ)例句The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.介紹用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。The invention relates to a binary alkyl benzene sulfonic acid rare earth catalyst, a preparation method and the application thereof.本發(fā)明涉及二元烷基苯磺酸稀土催化劑及制法和應(yīng)用。ip.comBy adopting the method, the diphenol monomers with a macromolecular structure can be polymerized with the binary acid monomer to obtain the highly heat-resistant and transparent polyester material.通過(guò)上述方法可將具有巨大分子結(jié)搆的二酚單躰與二元酸單躰聚郃,得到高耐熱且透明的聚酯材料。ip.com 返回 binary acid