英德
有道
百度
谷歌
图片
维基
百科
HBR
abbr. 溴化氢；哈佛商业评论（Harvard Business Review，杂志名）
- HBR is a publication of Harvard Business School Publishing (hence “HBSP”), a globally reputable top-notch commercial publisher.
哈佛商学院出版社（简称HBSP）是全球顶尖且拥有高度权威地位的商业出版社，HBR是其出版发行的重要刊物之一。 - Bromotuluene was obtained through the sandmyer-reaction on the prepared CuBr-HBr solvent with diazosalt.The major raw materials are industrial.
采用桑德迈尔反应路径,选用工业原料制备对溴甲苯,实验的目的在于探索工厂生产中降低成本提高质量的方案。 - The heterogeneous catalytic synthesis of 1 bromododecane from ROH and HBr is studied .The experiment is carried out with 717 anion exchange resin as catalyst .
实验研究了溴代十二烷的异相催化合成（反应是以十二醇和氢溴酸为原料，在预处理后的717阴离子交换树脂催化剂作用下进行的）。
Hydrobromic \Hy`dro*bro"mic\, a. [Hydro-, 2 + bromic.] (Chem.)
Composed of hydrogen and bromine; as, hydrobromic acid.
{Hydrobromic acid} (Chem.), a colorless, pungent, corrosive
gas, {HBr}, usually collected as a solution in water. It
resembles hydrochloric acid, but is weaker and less
stable. Called also {hydrogen bromide}.
Composed of hydrogen and bromine; as, hydrobromic acid.
{Hydrobromic acid} (Chem.), a colorless, pungent, corrosive
gas, {HBr}, usually collected as a solution in water. It
resembles hydrochloric acid, but is weaker and less
stable. Called also {hydrogen bromide}.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
