查询词典 potassium

Commonly used method is: EDTA titration method, atomic absorption spectrometry and potassium permanganate titration.

常用的方法有：EDTA滴定法、原子吸收分光光度法和高锰酸钾滴定法。

Evaluation of the effect on determination of COD in drinking water by Acidic potassium permanganate titration .

评估酸性高锰酸钾滴定法[1]对生活饮用水中耗氧量检测结果的影响。

Light oil, ferrocene, EPA light hydrocarbon, dimethyl ether, xylene, acetone, hydroquinone, potassium permanganate, petroleum ether, naphtha, thiol, butane, sodium hydroxide , synthesis gas reactor

轻质油，二茂铁，轻烃碳五，二甲醚，二甲苯，丙酮，对苯二酚，高锰酸钾，石油醚，石脑油，硫醇，丁烷，氢氧化钠，合成液化气反应罐

In the second part of the paper , oxidation of phenanthrene for the preparation of phenanthrenequinone by using halogen compound was studied . The chief factors of this method was discussed , and the optimum processing condition was obtained . The mechanism of the reaction by potassium hydroxide-precipitated was discussed , and the reaction kinetic parameters was measured .

论文第二部分研究了卤素化合物作为氧化剂氧化菲合成菲醌的方法，探讨了这种氧化方法的主要影响因素，从中找出较佳的工艺条件，并对其反应机理进行了初步探讨，测定了氧化反应的一些动力学参数。

Keywords diethyl carbonate;phenol;phenetole;potassium carbonate;active carbon;ethylation;solid base catalyst

碳酸二乙酯；苯酚；苯乙醚；碳酸钾；活性炭；乙基化；固体碱催化剂

Part 1 : 4-(Biphenylyl-4-oxy)aniline was synthesized by the nucleophilic chloro-displacement of 4-chloronitrobenzene with the potassium phenolate of 4-phenylphenol, followed by palladium-catalyzed hydrazine reduction.

摘要 第ㄧ部份： 4-Chloronitrobenzene 与 4-phenylphenol进行芳香亲核置换反应，再用钯催化联胺还原法合成出 4-(Biphenylyl-4-oxy)aniline。

The current inhibited by phenothiazine had the same characteristics of the rapidly activating component of the delayed rectifier potassium current.

这一抑制作用可部分洗脱。受酚噻嗪抑制的电流与I〓中快速激活成份I〓具有相似的通道动力学特性。

Through analysis of the experimental data about ultrapotassic rocks, typeI ultrapotassic rocks came from the source region of phlogopite harzburgite that had undergone metasomatism of fluid enriched in silica and potassium; while the source region of typeⅢ potassicultrapotassic volcanics is carbonated peridotite mantle bearing potassic amphibole.

综合超钾质岩石的实验资料，可知区内I型超钾质岩的源区以富硅、富钾流体交代形成的金云母方辉橄榄岩为主；Ⅲ型钾质超钾质岩浆源区则以斜辉橄榄岩地幔为主。

Level of fasting blood sugar, total protein, albumin, alkaline phosphatase and potassium significantly increased, respectively.

快速血糖水平，总蛋白，白蛋白，碱性磷酸酶和钾的水平都有相应的显著上升。

The phosphatide also participates the sodium ion and the potassium ion activity activates some nervous tissues.

磷脂还参与钠离子和钾离子的活动来激活一些神经组织。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。