以对氨基水杨酸为原料,经酯化 、 酰化和烃化反应得乙氧苯酯,总收率为87.Ethopabate is prepared via esterification, acylation and alkylation from p - aminosalicylic acid in 87.在阀杆孔内的后座上镀镍,可应用在严酷的烃化环境.Nickel plated overlay on backseat in stem hole to combat...
The 3-metre-square slabs are on a tilt.3平方米的厚板倾斜放置着。The patio was made of stone slabs.这天井是用石板铺砌而成的.Slabs of rock had slipped sideways in the remote past, and formed this hole.在久远的过去，岩石板滑落到周边，从而形成了这个洞。...
她叫希拉，是一位长腿的金发女郎。Her name was Sheila, a long-legged blonde.他的新女友是一位长腿的时装模特儿.His new girlfriend is a leggy fashion model.他是这样做的:训练这种长腿的鸟停在地上的垫子上.He did this by training the leggy birds to land on mats on the ground....
在136名健康的成年人身上评价了羟钴胺素的安全性 、 代谢和排泄.The safety, metabolism and excretion of Cyanokit were evaluated in 136 healthy adult humans.芦荟含有十种维生素, 包括一种稀罕的 、 从植物中提炼出来的B12维生素源头, 叫做氰钴胺素.Aloe contains ten vitamins, including an uncommo...
A couple of plain-clothes men had been sniffing round his apartment.几名便衣男子一直在他的公寓周边打探。They all had colds and were sniffing and sneezing.他们都伤风了,呼呼喘气而且打喷嚏....those who like sniffing out bargains.喜欢淘便宜货的人He crawled from pri...