氢氧化钠

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。

Methods:Use the acidbase neutralization method,make the NaOH solution titrate surplus hydrochloric acid standard solution after calcium carbonate in cuttlebone,gain the acid strength of Wubeichangweiping capsule by calculated.

采用酸碱中和法，用氢氧化钠滴定液滴定中和乌贝肠胃平胶囊海螵蛸中碳酸钙过剩的盐酸标准溶液，计算得乌贝胃肠平胶囊的制酸力。

The CC solution with 7% mass fraction was exposed to solution spinning in presence of 7% dilute sulfuric acid as coagulation bath after filtration and deaeration.

探索了尿素对纤维素氨基甲酸酯/氢氧化钠溶液的增溶作用，考察了不同浓度CC溶液的流变性能，选择CC质量分数为7%的溶液经过滤、脱泡后，以7%的稀硫酸为凝固浴进行溶液纺丝。

The addition of NaOH greatly enhanced the sorbent reactivities toward SO2 because NaOH is deliquescent and its presence increased the amount of water collected by the sorbent.

由于氢氧化钠的潮解性质，使较多的水分能吸附在吸收剂表面，提高了吸收剂与二氧化硫的反应性。

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。

The selectivity of the catalyst is 88%, the activity of the recycled catalyst and selectivity to DOB remained constant after 10 runs of recycle.

选用甲苯为溶剂，25%氢氧化钠水溶液为反应体系，并添加助剂进行加氢反应，DHB的收率可达88%。

Equiareal ZnO naorods with high orientation and a high aspect ratio on ZnO-coated seed substrates were fabricated from the Zn(NO3)2/NaOH supersaturated solutions; the mechanisms without and with electrical field were discussed based on the phase stability diagram for solid ZnO and the oxidation of OHˉ.

本文采用过饱和硝酸锌/氢氧化钠溶液在ZnO晶种面上制备均匀一致，取向好，长径比大的ZnO纳米棒晶薄膜；用相平衡图和羟基氧化反应讨论了无电场和电场下ZnO薄膜的沉积机理；采用了SEM、XRD、TEM、HRTEM和UV-VIS表征了薄膜的相组成、结晶形貌和透光率。

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。

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。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。