查询词典 sodium hydroxide

The effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested.

测试了烧碱质量分数和氯化温度对漂粉精有效氯含量的影响，测试了分盐用标准筛目数对漂粉精有效氯含量和过筛率的影响。

Ammonium gas, ammonia, ammonium salt, ammonium hydrogen carbonate, ammonium sulfate, ammonium chloride, calcium hydrogen oxide, calx, sodium hydroxide and so on.

本节课学生会听说读写的名词有：氨气、氨水、铵盐、碳酸氢铵、硫酸铵、氯化铵、氢氧化钙、生石灰、氢氧化钠等。

Viscose Manufacturing process involves the reaction of cellulose with sodium hydroxide to form and alkali cellulose xanthate.

粘胶的生产过程包括纤维素与氢氧化钠反应形成碱纤维素的过程。碱纤维素再经二硫化碳处理制成纤维素黄酸酯。

It was found that sodium hydroxide concentration of alkalizing tobacco stem,the amount of carbon disulfide,the reaction time of carbon disulfide,and the amount of magnesium chloride had greater impact on the cellulose xanthate property of Cu2+removal.

实验结果表明，烟梗碱化的NaOH浓度、CS2的加入量、CS2的反应时间、MgCl2的浓度等4个因素对纤维素黄原酸酯去除Cu2+的性能影响较大。

Water,glycerin,rosa centifolia flower water,butylene glycol,centaurea cyanus flower water,peg-40 hydrogenated castor oil,propylene glycol,ppg-26-buteth-26,phenoxyethanol,methylparaben,sorbic acid,benzophenone-4,pentadecalactone,citrus aurantium dulcisoil,panthenol,menthyl lactate,sodium hydroxide,glycyrrhiza glabraroot extract,aesculus hippocastanumseed extract,citrus aurantium amaraoil,allantoin,limonnene,linalool,blue 1(ci 42090),yellow 5ci 19140

水，甘油，千叶蔷薇花水，丁烯二醇，矢车菊花水，PEG-40氢化蓖麻油，丙二醇，PPG-26-丁醇聚醚-26，苯氧乙醇，对羟基苯甲酸甲酯，山梨酸，二苯甲酮-4，环十五内酯，甜橙油，泛醇，乳酸孟酯，氢氧化钠，甘草根萃取，七叶树籽萃取，苦橙油，尿囊素，柠檬精油，芳樟醇，蓝，黄水：几乎所有护肤品成分第一位都是水。

The synthesis method comprises the following steps: adding 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine and 1- methylthio- 1- methylamino- 2- nitro ethylene with a molar ratio of 1.04: 1 into water, heating to 48- 52 Deg. C, reacting 4.5 hours with a vacuum degree of 0.02- 0.05 MPa, cooling, adding sodium-hydroxide of concentration of 10% to regulate the PH value to 11.0- 11.4, filtrating and cooling the filtrate to 0- 2 Deg. C, crystallizing for 12 hours, centrifugally filtrating, and rinsing filter cake with purity water to prepare wet ranitidine alkali; dissolving ranitidine alkali in alcohol and reacting with chlorhydric acid to prepare ranitidine hydrochloride.

合成方法包括：将摩尔比为1.04∶1的2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯加入水中，升温至48-52℃，于真空度0.02～0.05MPa反应4.5小时，反应完毕降温，用10％氢氧化钠溶液调pH＝11.0-11.4，抽滤，滤液降温至0～2℃，结晶12小时，离心甩滤，用纯化水漂洗滤饼，得雷尼替丁碱湿品；将雷尼替丁碱溶于乙醇中与盐酸反应，制备得到盐酸雷尼替丁，产品符合欧洲药典标准。

E Write a chemical equation for the reaction when chlorine is added to sodium hydroxide solution obtained in.

e 写出把氯气加入在取得的氢氧化钠溶液时发生的反应的化学方程式。

It included enzyme unhairing,sodium hydroxide based fibre opening and pickle and basification-free chrome tanning process.

介绍了一种三步铬鞣山羊面革的加工方法，即：酶脱毛，NaOH打开皮纤维和无浸酸、无提碱铬鞣。

The condensation reaction of citral with acetone catalyzed by aqueous sodium hydroxide solution to give pseudoionone was studied in detail.

前言 丙酮和柠檬醛在氮氧比钠水溶液的催化作用「生成假性紫罗兰酮是国内外应用得较为f一泛的合成紫罗兰酮的方法。

The research of solid alcohol which is made of stearinic acid and sodium-hydroxide.The diversity of the amount and radio of coagulator,the gel temperature of solid alcohol is different.

固体酒精是介于固体和液体的一种物质形态，凝胶体系由胶凝剂所形成的三维网状结构和固定于其中的大量溶剂构成。

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。