双烯 meaning in English

dienes
diolefin

Study on synthetic process of 16 - dehydropregnenolone acetate
妊娠双烯醇酮醋酸酯的合成工艺研究
Development of dithiolene metal complexes as nir absorbing dyes
硫代双烯型金属配合物近红外染料研究进展
Tetrabromobis phenol a - diallyl oxide with higher yield was synthesized in water by using phase transferring catalyst
摘要主要研究了在相转移催化剂存在下，水作溶剂，合成四溴双酚a -双烯丙基醚的新工艺。
In 1984 , dr . chou began the study of deprotonation substitution reaction of 3 - sulfolene and developed the reaction to an ideal methodology of using 3 - sulfolene as the precursor for butadienyl - 1 - anion
在合成上的应用，成功的验证它们可当成共轭双烯的亲核性，或亲电性的对等物
Diosgenin , 16 dehydropregneninolone , acetate ( 16 - dpa ) are exacted from plant through high - tech , and used to produce steroid hormone intermediates and steroid intermediate , can be used to make cortisone , flcocinonidum , prednisone , progesterone , testosterone and similar hormones
皂素、双烯产品是从薯蓣科植物中提取的，分别甾体激素药主要起始原料和中间体，可用来制造肤的松、强的松、黄体酮、睾丸素等激素药物。