英语人>网络例句>溴 相关的搜索结果
网络例句

与 溴 相关的网络例句 [注:此内容来源于网络,仅供参考]

PH of filtrate is kept below 0.65 in order to avoid the reaction between sodium formate and iodine bromide. Then iodine bromide halogenation method is used to determine quantitatively the content of the third monomer, i.

控制滤液pH在0.65以下,以防止甲酸钠和化碘起反应,然后用化碘卤化法定量测定滤液中的第三单体甲基丙烯磺酸钠的含量。

The activated Br - and Cl - is released and it will forms HBrO and HClO in further when we put the bormochloro hydantoin in the water, and thus the HBrO and HClO will oxidate the enzymes such as a enzymes with SH so as to sterilize and purify the polluted air.

采用氯海因消毒剂在水中能够通过不断释放出活性 Br -和 Cl -,形成次酸和次氯酸,将微生物体内的生物酶氧化而达到杀菌的目的。

Bromopropane is produced from hydrogen bromide and propene in the presence of catalyst by free radical addition process.

丙烯与化氢在催化剂作用下,进行自由基加成反应生产1-丙烷。

But the one step method that taking propene and hydrogen bromide as material synthesized 1-bromopropane was low cost, obtaining high-purity product ,and it's production process has no pollution to environment. One step method be deemed to the optimum method.

而以丙烯和HBr气体一步直接合成1-丙烷的方法成本较低,所得产物纯度较高,且其生产过程对环境是绿色的,可以说是生产1-丙烷的最佳方法。

Bromoethyl benzene was synthesized by anti-Markovnikov addition of hydrogen bromide to styrene under ultraviolet light irradiation.

在紫外线的照射下,苯乙烯与化氢气体发生反马氏规则自由基加成反应,可合成β-乙苯。

Bromoethyl benzene was synthesized by anti-Markovnikov addition of hydrogen bromide to styrene.

通过苯乙烯与化氢气体发生反马氏规则自由基加成反应,合成了β-乙苯。

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-乙醇及少量的1, 2-二乙烷、乙二醇二乙酸酯和二乙二醇二乙酸酯。

We successfully improved the methods of departing O-methyl using boron tribromide, of isolating hydrogen bromide byα-chloro-ethyl chloroformate, and of related in synthesis of natrexone, new medicine, using boron tribromide. This resulted in generation of hydrogen cyanide becoming impossible.

改进了以氯甲酸-α-氯乙酯脱代替化氰以及改进的三化硼法作为新药纳曲酮合成中相应的方法,去除了合成过程中产生氰化氢气体的可能性。

This wor k deals with the effects ten of bromides and iodobenzene in catalytic hydrogenolysis debenzylation of 2,4,6,8,10,12-Hexabenzyl-2,4,6,8,10,12-hexaazaisowurtzitane.

研究了苯等10种化物及碘苯在六苄基六氮杂异伍兹烷催化氢解脱苄中的作用。

Results:Keep the hyoscine butylbromide peak separate from the related substances and determine the limit of the main i mpurity.

结果:丁东莨菪碱与其他莨菪碱峰完全分离,从而对主要的杂质氢酸东莨菪碱进行了限量检查。

第18/100页 首页 < ... 14 15 16 17 18 19 20 21 22 ... > 尾页
推荐网络例句

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新

Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。