The acid ewolises nearly as well as the ester.此酸的烯醇化几乎象酯一样良好.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.Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一....
Sell christmas balls ester eggs and all kind acryl.圣诞舞会卖鸡蛋和各种丙烯酯.Said crystallite is prepared through dissolvant crystallization, and said dissolvant is non - toxic acetic ester.该微晶采用溶剂结晶方法制备, 只需无毒的乙酸乙酯一种溶剂即可.This method...
Pockets of affluence coexist with poverty...少数富裕地区与贫困地区并存。Love and hate coexist in every trivial affair.每一件细碎琐事都充塞着这般爱恨和矛盾交缠.Two or more biosynthetic pathways may coexist in a single cell.在同一细胞中可能同时存在两条或更多条生物合成途径.A viole...
这种特殊形态的维生素D天然存在于母乳中。This special form of vitamin D is naturally present in breast milk.母乳喂养有许多益处。There are many advantages to breast-feeding.主流科学家宣称母乳喂养的婴儿更聪明。Leading scientists claim breast-fed babies are intellectually...