查询词典 by water

Based on the perdurable performance of the asphalt pavement are influenced by water, heating, ultraviolet radiation, this paper studies the water stability, heating ageing and ultraviolet radiation ageing of bituminous mixtures.

基于水、热和紫外线对沥青路面耐久性的影响，针对沥青混合料浸水、受热老化和紫外线老化三个方面进行研究。

After the water produced in the synthesis of oxazolidine was removed with different solvents by water segregator, triethylamine was added and dichloroacetyl chloride was dropped.

并采用三因素三水平正交实验设计，得出合成化合物Ⅰ和Ⅱ的较佳反应条件。

When the catalyst was triethylamine, the water produced in condensation of isopropanolamine or ethanolamine and butanone was removed with benzene by water segregator, then the dichloroacetyl chloride was dropped.

利用异丙醇胺、乙醇胺、丁酮和二氯乙酰氯为原料，分别合成了两种除草剂安全剂Ⅰ∶3-二氯乙酰基-2，5-二甲基-2-乙基-1，3-噁唑烷和Ⅱ∶3-二氯乙酰基-2-甲基-2-乙基-1，3-噁唑烷。

During the reaction,the bromide component has been converted to catalytically inactive benzylic bromide.In pure acetic acid medium,the "catalyst failure" occurs owing to the formation of benzylic bromide while in acetic acid-water medium,the solvolysis of benzylic bromide by water maintains the catalytic activity to some extent.

反应过程中溴组分会转变为无活性的苄溴，在纯醋酸溶剂中，催化剂会因苄溴的形成而发生催化剂失活现象；在醋酸-水混合溶剂中，由于水对苄溴的溶剂化作用会使苄溴还原为溴离子，一定程度上保持了催化剂活性；并且在一定范围内，含水量的提高有益于生成醛选择性的提高，研究表明，将混合溶剂的初始含水量控制在5-10wt。

DF- 138 advanced water base rust inhibitor was replied and mixed by water soluble rust inhibitor, surface-active agent and other auxiliary.

DF – 138高级水基防锈剂是由水溶性防锈剂、表面活性剂及其它助剂复配而成。

This paper pointed out the area on which unconfined water can be used for irrigation by water quality evaluation of comparat...

本文通过大面积的水质评价，给出了可供利用的潜水面积；阐述了不同水资源合埋利用的途径；估算了合埋利用潜水资源和引黄水资源的节水潜力。

The subjects are mainly the organization or individuals who transfer the usufruct of water resources by water rights transactions.

水权的法律性质决定了水权转让的范围：水权转让的主体主要是在水权流转中通过水权交易移转水资源使用权的单位或者个人。

For example, in the financial analysis water use is costed at the rate charged by Water Supplies Department.

例如，在财务分析中，用水成本是根据水务署的收费标准计算的。

It is characterized by: water-soluble, can be water-opening.

它的特点是：水溶性，可以用水化开。

Using a variety of water-soluble additives and modulation by water.

采用多种水溶性添加剂和水调制而成。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。