Mainly discuss fluorborate terne electroplating solution in use for PCB fabrication.

主要论述印制线路板生产中所的氟硼盐镀锡铅溶液。

This article reports a method of preparation of metal-copper-powder with cuprammonia by directIy chemical method.

本文报导了一种化学方法直接从铜氨溶液中制取金属铜粉的方法。

Using a solution of tanbark, the tanner treated the cowhide, transforming it into supple leather.

那位制革工人树皮的溶液处理了一下母牛皮，把它做成了柔韧的皮革。

Tartrate solution and zirconyl chloride were used as the matrix modifier for coating graphite tube.

采酒石-锆复合溶液作基体改进剂，锆涂层热解石墨管为原子化器。

The solid particles were filtered from the solution.

固体微粒是从溶液中过滤出来的。

Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.

核能.核循环技术.分子吸收分光光度法测定硝溶液中的镎Nuclear energy.

Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.

冰点法，在苯溶液中对纯的物质进行了分子量测定。

A gas in solution diffuses from region of greater to one of less concentration.

溶液中的气体由浓度较高的区域向浓度较低的区域扩散。

N-oleoyl alanine was prepared by the reaction of alanine with chlorides under alkali solution.

酰氯和丙氨在碱性溶液中反应制备N-酰基丙氨。

By using phenylfluorone photometer analysis,solution of germanium content in 2-octanol and petroleum was measured.

本文采苯基荧光酮分光光度法测定仲辛醇/石醚溶液中锗的含量。

Soak the affected area in iced 0.24%Hyamine 1662 (benzethonium chloride)solution.

冰冻的0.24%的季铵盐1662溶液浸泡患处。

Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.

阐述了钨钠溶液中除硅、磷、砷的原理,并提出了具体的操作工艺。

Putting the solid chitosan into ethylic acid solution can be used as potentiator.

壳聚糖固体溶于醋溶液中,作造纸增强剂。

The antiacid ability is improved greatly when DCPD hydrolyzes in 1% CeCl3 solution.

经 1%CeCl3溶液单独处理后的DCPD的抗能力已有显著提高。

A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.

阐述了采液碱(苛性钠溶液)代替氨水生产对氨基-N,N-二甲基苯胺的方法。

Conclusion Infectious soft verraca vulgres can effectively treated with both dibai liquid and Bromo-Geramine.

结论地白液和新洁尔灭溶液外治疗传染性软疣均有很好疗效。

The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.

实验结果表明，偶氮基团的引入改善了8-羟基喹啉的生色能力，并且在乙腈溶液中随着取代基由苯基变为萘基和蒽基时，化合物的吸收光谱发生红移。

Adding sulphate to the solution will give a precipitate.

硫盐加入该溶液会产生沉淀。

Add Ferroin indicator and titrate with 0.025 N ferrous ammonium sulphate solution.

加入亚铁菲绕啉离子，滴定法测量硫亚铁铵溶液。

Quartz is studied using an electrical conductible degree of ore-bearing fluids and infrared spectrum.

电导度是溶液导电能力的相对尺度,电导度的大小能直接反映出成矿溶液浓度的高低。