查询词典 trace

A spec-trophotometric method of the determination of trace tin was developed based on the reaction of tin with Pyrocatechol Violet in the presence of Cety Trimethylammonium Bromide in high alloy steel.

通过对干扰离子的影响及其消除方法的研究，提出了适用于高合金钢中的以邻苯二酚紫-溴化十六烷基三甲基胺光度法测定微量锡的分析方法。

The highly sensitive chromogenic reaction of a ternary complex of 4-(2-benzothiazolylazo) pyrocatechol with Mo-, W-diphenyl guanidine and the application of partial least squares method in simultaneous spectrophotometric determination of trace Mo and W have been studied.

本文研究了新显色剂4-(2-苯并噻唑偶氮)邻苯二酚-Mo、W-二苯胍三元配合物的高灵敏显色反应以及偏最小二乘法在同时分光光度测定痕量钼和钨中的应用。

The detection methods of high level and trace level lead content,the status quo and technology such as pyrometallurgy and hydrometallurgy of the recycling of lead from spent lead-acid battery worldwide were introduced.

对高含量和痕量铅的检测方法、国内外从废旧铅酸电池中回收铅的现状和工艺，如火法冶金和湿法冶金进行了介绍；对废旧铅酸电池中铅回收的发展趋势进行了分析。

It is for this reason, many types of quartzite jade are out of the mold pressure, there is no trace of the hand-carved.

正是由于这个原因，许多石英岩类玉石都是用模子压出来的，没有手工雕刻的痕迹。

A radioactive isotope that is used in a compound in order to trace the mechanism of a chemical reaction.

使化合物中化学反应的机制显踪的放射性同位素。

Results The radioisotope trace results showed that 70%r...

该研究结果将为进一步探讨MCLR的损伤机制提供理论依据。

Flora birds of Zhao Mi brightens the hall with there raffish patterns in red and green. The implication of a real woman in self-consolation and the provocation of cracked blood trace make the peony under his brush a strong metaphor of sex.

而赵弥的花鸟画，更是以大红大绿的艳俗图案，在展场中让人眼前一亮，真女人自慰形象的暗示性与冰裂纹血痕的挑衅性，使他笔下的牡丹花成为关于情色的暗喻。

One of my first acts of escape was to trace my boyhood hero Kenneth Anderson to his ramshackle house in the suburb of White Field.

我的第一次"逃跑"行动是追随我孩童时候的英雄肯尼思·安德森到了他位于怀特·菲尔德郊区摇摇欲坠的住所。

All the better, it proves the movement of différance, dissemination,trace and complement of presence.

在此，非主题不强调或证明意义的在场，在场就是不在场，反之，越是强调不在场，越是强调解构，反而证明了在场的分延、播散、踪迹、替补的运动。

All trace of her fatigue vanished and she tapped a rapid-fire message on her keyboard, and then replied.

她所有的疲劳迹象都消失了，她一边开火一样在她的键盘上输入，一边汇报。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了