The arsenite reactions can be variously accelerated by the addition of aliphatic acids and hydroxy-substituted aliphatic acids . 加入脂肪酸和羟基取代的脂肪酸,可不同程度地加速亚砷酸盐的反应。
Before collagen is secreted from the cell several of its constituent amino acids are hydroxylated and some are also glycosylated . 在细胞分泌胶原以前,有几个氨基酸组分发生羟基化,有的还发生糖基化。
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane . 用缩水甘油、乙二醇,水或三羟甲基丙烷等改良剂,可控制聚醚的羟基官能团。
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane . 用缩水甘油,乙二醇,水或三羟甲基丙烷等改良剂,可控制聚醚的羟基官能团。
The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane . 可用缩水甘油,乙二醇,水或三羟甲基丙烷等改良剂,可控制聚醚的羟基官能团。
Methyl para - hydroxybenzoate or ethyl pare - hydroxybenzoate or 对羟基苯甲酸乙酯或
Ethyl para - hydroxybenzoate or propyl para - hydroxybenzoate or 对羟基苯甲酸丙酯或
Methyl para - hydroxybenzoate or ethyl para - hydroxybenzoate or 对羟基苯甲酸甲酯或