查询词典 ether

Effects of 2, 2', 4, 4'-tetrabrominated biphenyl ether (BDE-47) on photosynthetic characteristics of two marine microalgae were comprehensively investigated.

研究了不同浓度的2，2'，4，4'-四溴联苯醚(BDE-47)对2种海洋微藻的光合特性的影响。

The proposed method is simple, rapid and sensitive, and can meet the requirements of determination of multiple biphenyl ether herbicides simultaneously in natural waters.

本法简便、快速、准确、灵敏度高，能满足环境水样中多种二苯醚类除草剂残留分析要求。

The betrayers who followed Blackthorn will not again venture forth from their dark castle, and our greatest wizards have studied the magical ether to see that Exodus' evil presence is now waning.

那些追随黑刺的背叛者们已经不能再从他们的黑城堡中向外侵掠了。我们伟大的巫师用魔法在空气中看到了"Exodus"黑势力的存在。

However, the surplus residual chlorine can affect people's taste and smell, destroy the quality of water. Moreover, in the process of disinfection, chlorine can react with organic matter and produce a series of hydrochloric ether such as chloroform, bromoform, bromodichloromethane, chlorodibromomethane and so on, these matters can cause to some extent cancer to human body.

但是，水中过量的余氯会影响水的口感和气味，破坏水的品质；此外，在消毒过程中，氯与水中残余的有机物产生化学作用，生成一系列氯代烃如三氯甲烷、溴仿、溴二氯甲烷、氯二溴甲烷等，这些物质会对人体产生一定程度的致癌作用；对于以自然水源作为生活用水来源的城市必然要对水加氯消毒后才可使用。

Neurosurgical Grand Rounds at MGH are presented in the Ether Dome Ampitheater located in the dome of the Bulfinch Building each Thursday from 8-9 am .

神经外科大发MGH 提出的甲醚圆顶Ampitheater位于圆顶布尔芬奇大厦每星期四从 8月9日上午。

The new synthetic technology of propandiol butyl ether and its comparison with the traditional production process are given in this article.

介绍了合成丙二醇丁醚的新工艺并和传统生产方法进行了比较，阐明了丙二醇丁醚作为溶剂和化学反应中间体的应用和发展前

Cannabinol and its tetrahydro derivatives; their3-alkyl homologues; any ester or ether of any

大麻酚及其四氢衍生物；它们的3-烷基同系物；任何属此项范围内的物质的酯类及醚类 PP-S1

Cannabinol and its tetrahydro derivatives; their 3-alkyl homologues; any ester or ether of any substance

falling within this item 大麻酚及其四氢衍生物；它们的3-烷基同系物；任何属此项范围内的物质的酯类及醚类 PP

With half-trace law instead of constant law,bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether.

以半微量法代替常量法，用溴乙烷代替碘乙烷与苯酚钠反应制取苯乙醚。

It hardly dissolves in water, glycol, and does not dissolve in ether, benzene and carbon tetrachloride.

难溶于水、乙二醇，不溶于乙醚、苯和四氯化碳等。

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。

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。