查询词典 sodium hydroxide

HCN in sidestream smoke was captured by sodium hydroxide solution and determined by continuous flow analyzer.

建立了一种用稀氢氧化钠溶液吸收、应用异烟酸与1，3-二甲基巴比妥酸显色体系在连续流动分析仪上检测卷烟侧流烟气中HCN的方法。

Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.

在微波辐射下，以2-萘酚和氯化苄为原料，用氢氧化钠作碱剂，碘化钾作催化剂，水-DMF为溶剂合成了苄基-2-萘基醚；采用单因素实验法，对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。

The velocities of reaction of ethyl acetate with sodium hydroxide in dioxane- water mixture have been determined in seven different temperatures(5°,10°, 15°,20°,25°,30°and 35°).

作者在7具不同温度(5°，10°，15°，20°，25°，30°，35°)下，研究了乙酸乙酯和氢氧化钠在二氧六圜和水的混合溶剂中的反应速度。

This was due to the ability of the emulsifier to imbibe water in presence of sodium hydroxide.

这是由于乳化剂在NaOH介质中能吸收水分的缘故。

To neutralize acidic material from flue gas of regeneration, sodium hydroxide solution is used, and its acidity and alkalinity are regulated by some of ethanolamine.

为中和再生烟气中的酸性物料，需使用氢氧化钠水溶液，调节介质的酸碱度需使用少量的乙醇胺。

Factors studied include alkali treatment time and temperature, amount of sodium hydroxide and 2-chloroehanol as well as etherification time and temperature.

考察的因素包括碱处理时间与温度、氢氯化钠及2-氯乙醇的用量以及醚化时间与温度。

Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.

本文以马铃薯淀粉为原料，环氧丙烷为醚化剂，氢氧化钠为催化剂对低取代度羟丙基淀粉的制备工艺进行了研究。

The effect of the extractant, temperature, weight and consistency of sodium hydroxide as well as time on the reaction were discussed.

讨论了萃取剂、温度、NaOH的质量与浓度及反应时间对反应的影响。

In order to determine total reducing sugars accurately, the concentration of potassium ferricyanide and sodium hydroxide were optimized to get equal redox reaction rates of glucose and fructose with ferricyanide.

选择适当的铁氰化钾及氢氧化钠浓度，可使葡萄糖和果糖与铁氰化钾的反应速率一致，从而保证总还原糖的准确测定。

Sodium hydroxide in various forms is the most widely used.

各种形式的氢氧化钠是最广泛使用的。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。