查询词典 sulfur chloride

Triphenylmethyl chloride can react selectively with the 30-hydroxil group of glycyrrhetol under the catalyzing effects of three ethyl amine and dimethyl amino-pyridine.This condition of the reaction has an important value for the selective protection of 30-hydroxil group of glycyrrhetol.

三苯氯甲烷在三乙胺和二甲氨基吡啶等碱性催化下与甘草萜醇的C30-位羟基进行选择性缩合反应，此反应产率较与C3-位羟基化反应的要高，此种反应条件在甘草萜醇C30-位羟基的选择性保护中具有重要的价值。

Following resolution, the following steps are performed: reduce the isomer to an alcohol, react the alcohol with triphenylmethyl chloride, ozonalyze the resulting reaction product, reduce the ozonalyzed product to yield a diol and react the diol with a methane sulfonyl compound to form-3-2-{(methylsulfonyloxy}ethoxy-4--1-butanol methane sulfonate.

拆分后，进行下一步：将异构体还原为醇，使醇与三苯基甲基氯反应，臭氧化所得反应产物，还原臭氧化产物以得到一种二醇并使所述二醇与甲烷磺酰基化合物反应以形成-3-2-{(甲基磺酰基氧}乙氧基-4--1-丁醇甲烷磺酸酯。

Objective: To establish a turbidimetric method for the determination of tyrothricin buccal tablets of compound dequalinum chloride.

目的：建立比浊法测定复方地喹氯胺含片中短杆菌素的效价的方法。

Potassium chloride also keeps the lungs and bronchial tubes unclogged.

如果这种矿物质充足的话，能保持肺和支气管畅通。

Based on the solubility data, the phase diagram of the system was plotted, which consists of three univariant curves E1E, E2E and E3E, one invariant point E and three crystallization fields: KCl, K2B4O74H2O and K2SO4 The experimental result s show that potassium chloride had the salting-out effect on potassium borate (K2B4O74H2O), and potassium sulphate (K2SO4) Meanwhile, the law of density was discussed briefly.

根据实验数据绘制了相应的相图。相图中有一个共饱点E，三条单变曲线E1E，E2E和E3E；三个结晶区平衡固相分别为：K2B4O74H2O，K2SO4和KCl。实验结果表明KCl对K2B4O74H2O和K2SO4有盐析作用，并简要讨论了密度变化规律。

A benzene solution of di-methyl oxalate, as an oil phase, and calcium chloride solution, as an aqueous phase, were mixed together at the same volume under both unstirred and stirred conditions.

以二甲基草酸於苯液中之溶液为油相，而以氯化钙溶液为水相，以相同体积比例混合，於无搅拌及有搅拌条件下操作。

The results are showed as follow:During the birds were exposed to low temperature,the concentrations of blood calcium,blood chloride and urinous nitrogen ch...

产蛋率与血清总蛋白、无机磷呈弱负相关，与钙离子、镁离子呈弱正相关，与尿素氮、血糖呈中等正相关，与钠离子呈强正相关，与其它指标无明显相关性。

The activities of superoxide dismutase, catalase, peroxidase and malonyldialdehyde were determined in hepatopancreas in oriental weatherfish Misgurnus anguillicaudatus exposed to different concentrations 0.025mg Cd(Ⅱ/L, 0.25 mg Cd/L and 2.5 mg Cd/L of Cadmium chloride Cd(Ⅱ to evaluate the effects of cadmium stress on xanthine oxidase and antionxidant enzyme activities.

研究了不同浓度的cd对泥鳅肝脏内抗氧化酶包括超氧化物岐化酶、过氧化氢酶、过氧化物酶活性的影响以及对脂质过氧化指标－丙二醛含量的影响，探讨了在Cd胁迫下，泥鳅肝组织内抗氧化酶活性以及脂质过氧化的变化趋势及其关系。

The wrappage placed with a specific temperature and fog sodium chloride solution of laboratory, evaluation of wrappage's ability to withstand atmospheric corrosion and packaging ccultured mounted object protective ability test.

将包装件置于具有特定温度充以雾状氯化钠溶液的试验室内，评定包装件承受大气腐蚀的能力和包装对内装物保护能力的试验。

Fly ash and slag can increase the resistance of concrete to chlorid e ion penetration,and silica fume,metakaolin,rice husk ash and some content s lag can increase significantly the resistance of concrete to chloride ion penetr ation.

粉煤灰和矿渣能提高混凝土的抗氯离子渗透扩散能力，硅粉、偏高岭土、稻壳灰和适当掺量的矿渣能大幅度提高混凝土的抗氯离子渗透扩散能力。

The Porsche Owner: But it's my car!

可，这是我的车呀。

LOX_83}{Oh, another bunch of wackos.

{LOX_83}{呃，又一群怪人。