查询词典 sodium hydroxide

It is possible to produce high purity magnesium by treating the solution with sodium hydroxide solution.

由氢氧化钠和氯化镁反应经水热法制得的高纯(＞99%)氢氧化镁是镁资源利用的一条可行之路。

Hydrogen peroxide and sodium hydroxide was used respectively to degrad goat wool in different conditions.

研究了氢氧化钠和双氧水对羊毛的降解作用，得到了羊毛降解的合适条件。

To treat with sodium hydroxide so as to shrink the fiber and increase its luster and affinity for dye.

非洲和马达加斯加岛的一种大型棕榈，长的羽状复叶，叶茎含有能带来巨大经济利益的纤维。

Add the sodium hydroxide and indicator to the bubble solution.

添加氢氧化钠和指标的泡沫液。

Acidic solutions of sulfuric acid, alkalescence franctional solation sodicity franctional with sodium hydroxide.

硷性溶液的酸度以硫酸的分数来表现，碱性溶液的碱度以氢氧化钠的分数来表现。

The results showed that the cellulose carbamate which synthesized with cellulose pulp that polymerization degree was in the range of 350-612 and the content of N in the range of 2.34%~3.56% could be dissolved in sodium hydroxide solution of 8% to 11% at temperatures of -5~10℃ form 7% cellulose carbamate solution with straw yellow. The obtained solution could be directly used for spinning.

结果表明：在-5~10℃条件下，用聚合度为350~612的纤维素浆粕合成的氮含量为2.34%~3.56%的CC能很好地溶解在质量百分比浓度为8%~11%的NaOH溶液中，形成淡黄色透明溶液，该溶液稳定性良好，可用于纺丝。

Nano-sized strontium titanate powder was prepared by direct precipitation method,with titanium tetrachloride,strontium chloride and sodium hydroxide as the raw materials.

钛酸锶(SrTiO3)是制备陶瓷电容器和热敏电阻器等电子陶瓷的重要原料，在电子工业上的应用非常广泛。

Methods After extracting the samples, the reaction between thymol and nitrate produced nitrothymol in the presence of sulphuric acid; then nitrothymol was made to react with sodium hydroxide; determination was made on the concentration of nitrate by spectrophotometry at 412 nm.

样品经提取，其中的硝酸盐在硫酸酸性条件下，与麝香草酚生成硝基化合物，再与氢氧化钠作用，生成黄色化合物，在波长412nm处用分光光度法测定食品中硝酸盐含量。

This alkalinity may be derived from strong alkalis such as sodium hydroxide or from hydrolysis of the salts of weak acids, trisodium phosphate.

其碱性通常以氢氧化钠或磷酸钠水解而来。大多数碱性清洁剂都含有界面活性剂或少量有机溶剂

Thermodynamic analysis was carried out to show the effect of technical conditions on sodium hydroxide decomposition of wulfenite.

利用热力学平衡图对氢氧化钠分解钼酸铅矿的工艺条件进行讨论。

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。