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- With half-trace law instead of constant law,bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether. 以半微量法代替常量法,用溴乙烷代替碘乙烷与苯酚钠反应制取苯乙醚。
- Keywords benzene ether;bromine ethane;half-trace law;greenization; 苯乙醚;溴乙烷;半微量法;绿色化;
- Keywords organic experiment;synthesis the bromine ethane;safe catalyst;improvement; 有机实验;合成溴乙烷;安全催化剂;改进;
- bromine ethane 溴乙烷
- The yield was higher using bromine than chlorine. 正确的表达法:用溴比用氯时产出率高。
- For ethane, the critical pressure is 707.8 psia. 乙烷的临界压力为707.;8磅/平方英寸(绝对)。
- To analyze the market demand of bromine retardant. 分析溴系阻燃剂市场需求。
- The new reactive flame retardant 2,4,6 tribromo N,N bis (2 hydroxylethyl) aniline was prepared with aniline, epoxy ethane and bromine as the raw materials. 以苯胺、环氧乙烷和溴素为原料,研究了新反应型阻燃剂N,N-二(2-羟乙基)-2,4,6-三溴苯胺的合成方法,用红外光谱和元素分析等方法确认了其化学结构。
- I love Ethan Zohn so much! I love THE AMAZING RACE! 世上还有像Ethan这么完美的人吗?我太喜欢他了!
- Wrath and dismay contended in Ethan. 伊坦是又愤恨又着急。
- Pictures of Liam and Ethan are both up here. 我是女性且已名花有主。
- Ethan: Have you got a few minutes? 伊森:你能抽出几分钟的时间吗?
- Ethan:You just flew over my head, true or false? 伊桑:你刚才飞过我的头顶,真的假的?
- Ethan: I really need your help with this report. 伊森:我真的很需要妳帮我做这份报告。
- Ethan Mondor, however, is not confused. 不过,EthanMondor却一点儿也不疑惑。
- To combine(a substance) with bromine or a bromine compound. 用(一物质)与溴或溴化物化合
- Ethan: Can't you just go out by yourself? 伊森:你不能自己外出吗?
- I'm showing my friend Ethan where to find a word. 我正在告诉我的朋友伊森哪去找一个字。
- A binary compound of bromine with another element, such as silver. 溴化物由溴和另一元素构成的二元化合物,如银
- Ethan: What are you talking about? 伊森:你在说什么呀?