Environmental concerns will elbow their way right to the top of the agenda.环境问题将挤到议事日程之首。However, some experts have raised environmental concerns over plan.然而一些专家对这项方案提出了环境方面的担忧.Environmental concerns are both intensely ...
The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....
New York City has had several London - type smogs since 1950.自1950年以来,纽约市发生过几次伦敦 式 的烟雾.Killer smogs don't happen very often, fortunately.幸亏致人死命的烟雾不常出现....
本品制剂多为其二盐酸盐.This product is more than preparation for the second hydrochloride.医药工业中用于生产双环己哌啶 、 苯甲托品氢溴酸盐,苯海拉明盐酸盐等.Pharmaceutical Industry for the production of Bicyclohexane Piperidine BENZTROPINE Dihydrobrohide, diphenh...
Fairway's words were the result of independent reflection.费伟这番话完全是他个人捉摸出来的.Lights of ships moved in the fairway - a great stir of Lights going up and going down.船火在航道上漂动 -- 只只亮光点点,纷纭繁乱,上下穿行.I met with a small fishin...
I clacked one ski against the other and almost tripped.我的一个雪橇板咔嗒一声撞在另一个上面，差点把我绊倒。The windshield wipers clacked back and forth.挡风玻璃上的雨刷咔嗒咔嗒来回摆动。Her heels clacked on the marble floor.她的鞋后跟在大理石地面上发出咔嗒咔嗒的响声。The merry film cl...