查询词典 hindered

The effect of reaction temperature,reaction time,materials ratio on the synthesis of piperidine alcohol benzoate ,hindered amine light stabilizer,from piperidine alcohol and benzoyl chloride by direct condensation were studied,and the proper technological conditions were given as follows:the reaction temperature is 95℃;reaction time is 4 h; the mole ratio of reactants,n∶n is 1∶1.4,the amounts of solvent is 40 mL(based 0.1mol piperidine alcohol),the arerage yield ...

王树清，高崇，苯甲酸哌啶醇酯HALS的合成工艺研究研究了以苯甲酰氯和哌啶醇为原料直接缩合合成苯甲酸哌啶醇酯受阻胺光稳定剂时反应温度、反应时间、原料配比等条件对合成反应的影响，确定了最佳工艺条件。最适宜的工艺条件是：反应温度95℃、反应时间6h、原料摩尔比n∶n为1∶1.4，溶剂用量为70mL(相对于0.1mol哌啶醇)，苯甲酸哌啶醇酯的收率为91.05%，产品纯度98.5%。

Meanwhile, it demonstrates that sterical hindered amines are a kind of fine acidic gas absorption solvents.

实验同时证明了空间位阻胺是一种优良的酸性气体吸收剂。

Helped by his friend Father Brennan Burke, and hindered by his femme fatale law partner Felicia Morgan, Monty explores the dark side of Halifax society: hookers, drug addicts, boozers, gamblers, and people desperate to cover up a series of parties that got way out of hand.

在好友法兹·布伦南·伯克的帮助下，以及他的搭档---蛇蝎美人费利西娅·摩根的阻挠之下，蒙蒂深入到哈利法克斯市的黑暗面：妓女，吸毒者，酒馆，赌徒，以及人们不顾一切的掩饰和寻找出路。

In 1773 Clement XIV attached the same indulgence, under certain conditions, to crucifixes duly blessed for the purpose, for the use of the sick, those at sea or in prison, and others lawfully hindered from making the Stations in a church.

克莱门特在1773年第十四重视同放纵，在一定条件下，适当向十字架祝福为目的，使用的病人，那些在海上或在监狱里，和其他合法阻碍使监测站在一所教堂。

This actually hindered the dissemination of the form into English because many associated the Decadents with homosexuality, hence any form used by the Decadents was suspect.

这实际上阻碍了传播的形式成英文，因为许多相关的Decadents与同性恋，因此任何形式使用的Decadents被怀疑。

His perception must not be hindered by covering the smells and environment with perfumes and deodorants.

他的知觉不可透过用香水和除臭剂包括气味和环境被妨碍。

The DSO is hindered to apply widely in our production and test by high price.

目前，国内具有自主知识产权的数字存储示波器还非常少，高昂的价格阻碍了数字存储示波器在生产试验中的广泛应用。

At present, domestic DSO products type, which has our own independent property right, is too few. The DSO is hindered to apply wildly in our production and test by high price.

目前，国内具有自主知识产权的数字存储示波器产品还非常少，高昂的价格阻碍了数字存储示波器在生产和试验中广泛的应用。

The Friars Preachers preached alone in every section of Thuringia and in the town of Erfurt and no one hindered them" Koch,"Graf Elger von Holmstein, Gotha, 1865, pp.

friars传教士鼓吹仅在每节的图林根和在城市爱尔福特的，没有人阻碍了他们&（科赫，&格拉夫elger冯holmstein ，哥达， 1865年，第70 ， 72 ）。

The worsening properties might be attributed to the introduction of the kaoline, which hindered the forming of SEBS continuous phase.

随着聚乙烯广泛应用于道路沥青，采用等密度方法制备的高温贮存稳定的聚乙烯改性沥青有着很好的应用前景。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。