查询词典 ethylene bromide
- 与 ethylene bromide 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Ethylene dibromide and methyl bromide,liquid mixture, see
二溴化乙烯和溴甲烷的液态混合物，见
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The experimental result showed that three byproducts was formed and the optimal condition was as follows: the molar ratio of ethylene glycol, hydrogen bromide, and acetic acid was 1:1:1.3, when ethylene glycol was 1 mol, refluxed 5 h under the action of 100 mL toluene.
结果表明：较适宜的合成条件为乙二醇1 mol， n：n：n=1：1：1.3，在带水剂甲苯(100 mL)的作用下，回流反应5 h，约4 h后分两次追加0.12×2 mol醋酸酐，合成效果最好，产率可达到95%，反应副产2-溴乙醇及少量的1， 2-二溴乙烷、乙二醇二乙酸酯和二乙二醇二乙酸酯。
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Bromoethyl acetate was synthesized by reacting ethylene glycol with an aqueous solution of hydrogen bromide(47%) and acetic acid(1:1:1.3) in the water-carrying agent, which formed an azeotrope with water but not with 2-bromoethyl acetate.
以乙二醇、w=47%和冰醋酸为原料，在带水剂的作用下合成了2-溴乙基乙酸酯。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候，老师解释《圣经》用两种不同的方法。