Adding sulphate to the solution will give a precipitate.
将硫酸盐加入该会产沉淀。
N-oleoyl alanine was prepared by the reaction of alanine with chlorides under alkali solution.
将油酸酰氯和丙氨酸在碱性反应制备N-油酰基丙氨酸。
Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.
阐述了钨酸钠除硅、磷、砷原理,并提出了具体操作工艺。
Quartz is studied using an electrical conductible degree of ore-bearing fluids and infrared spectrum.
电导度是导电能力相对尺度,电导度大小能直接反映出成矿浓度高低。
Putting the solid chitosan into ethylic acid solution can be used as potentiator.
将壳聚糖固体于醋酸,作造纸增强剂。
The chromogenic responding ability increases as the substituent changes from phenyl to naphthyl or anthryl.
实验结果表明，氮基团引入改善了8-羟基喹色能力，并且在乙腈随着取代基由苯基变为萘基和蒽基时，化合物吸收光谱发红移。
This article reports a method of preparation of metal-copper-powder with cuprammonia by directIy chemical method.
本文报导了一种用化学方法直接从铜氨制取金属铜粉方法。
Conclusion Infectious soft verraca vulgres can effectively treated with both dibai liquid and Bromo-Geramine.
结论地白和新洁尔灭外用治疗传染性软疣均有很好疗效。
A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.
阐述了采用碱(苛性钠)代替氨水产对氨基-N,N-二甲基苯胺方法。
Molecular weight determinations on the purified material were conducted in benzene solutions by cryoscopic method.
用冰点法，在苯对纯物质进行了分子量测定。
Soak the affected area in iced 0.24%Hyamine 1662 (benzethonium chloride)solution.
用冰冻0.24%季铵盐1662浸泡患处。
The solid particles were filtered from the solution.
固体微粒是从过滤出来。
Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.
核能.核燃料循环技术.分子吸收分光光度法测定硝酸镎Nuclear energy.
By using phenylfluorone photometer analysis,solution of germanium content in 2-octanol and petroleum was measured.
本文采用苯基荧光酮分光光度法测定仲辛醇/石油醚锗含量。
Mainly discuss fluorborate terne electroplating solution in use for PCB fabrication.
主要论述印制线路板产所用氟硼酸盐镀锡铅。
Tartrate solution and zirconyl chloride were used as the matrix modifier for coating graphite tube.
采用酒石酸-锆复合作基体改进剂，锆涂层热解石墨管为原子化器。
A gas in solution diffuses from region of greater to one of less concentration.
气体由浓度较高区域向浓度较低区域扩散。
Add Ferroin indicator and titrate with 0.025 N ferrous ammonium sulphate solution.
加入亚铁菲绕离子，用滴定法测量硫酸亚铁铵。
The antiacid ability is improved greatly when DCPD hydrolyzes in 1% CeCl3 solution.
经 1%CeCl3单独处理后DCPD抗酸能力已有显著提高。
Use a solution of 1 tablespoon of vinegar to 1 pint of warm water.
要用一大汤匙醋加一品脱温水比例调制。
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They are then given nutrients in a solution.
然后在溶液中给予它们营养。
And this is solution of nitrate of silver.
这是销酸银溶液。
James, our sodium chloride solution is ready.
詹姆斯，我们的氯化钠溶液已经准备好了。
Powdered root of what to an infusion of what?
什么草根粉末放到什么溶液里？
They are using aqueous sodium iodide (ie, a solution of sodium ions and iodine ions).
他们使用的是碘化钠水溶液(即钠离子和碘离子的溶液)。
And for that, we have to use a chemical solution called the developer.
要实现这个目的，我们必须使用一种叫显影的化学溶液。
Use a solution of decorator's soap and rinse well with warm water afterwards.
使用装饰皂溶液，然后用温水冲洗干净。
Litmus paper is used to identify whether a solution is an acid or a base.
蕊试纸用来鉴别溶液是酸还是碱。
He thought the reaction was happening in the copper, rather than the solution.
他以为反应是在铜的，而不是在溶液中。
They slowly ferment into a blue-green solution. Leaving a sediment behind.
慢慢酵形成蓝绿色的溶液，再随着时间一天天沉积。
It can't keep it dissolved and so it comes out of solution as a bubble.
它不能保持溶液的溶解，所以溶液中会出现气泡。
Type 4 is a green solution to prevent additional snow from accumulating.
四类防冰液是一种绿色溶液，用于防止新的冰雪积聚。
And they lock the solutions pH into about a pH of 7.4.
它们将溶液的 ph 值锁定在 7.4 左右。
The acid and the base and the buffer solution create a conjugate acid-based pair.
酸和缓冲溶液中的碱产共轭酸碱对。
They're probably formed out of a silica rich solution.
它们可能是由富含二氧化硅的溶液形成的。
And it takes a few hours, at room temperature, in a watery solution.
在室温下，在水溶液中，这需要几个小时。
The proportion of blood cannot be more than one in a million.
血在这种溶液中所占的成分还不到百万分之一。
So you can think of pH as basically the power of hydrogen in a solution.
化学家区分不同试验溶液的一般习惯。
It makes a pure solution out of it.
能够得到纯溶液。
After the gold was extracted, the cyanide solution was dumped into the town's Whitewood Creek.
黄金提取出来后，氰化物溶液被倒入镇上的怀特伍德溪中。
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划词翻译
详细解释
会产
沉淀。
英语 
反应制备N-油酰基丙氨酸。
原理,并提出了具体
氮基团
产对氨基-N,N-二甲基苯胺
法
的化学
蕊试纸用来鉴别
