sodium hydroxide

The synthesis of benzyl propionate from propanoic aid, sodium hydroxide and benzyl chloride in the presence of PTC was studied.

本文研究了用相转移催化合成丙酸苄酯的方法。

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Adding liquid sodium hydroxide accelerated the formation of network structure.

液体硅酸钠的加入，促进了网络状结构的形成；

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Research on sodium hydroxide hydrolysis corn straw as briquette binder

氢氧化钠水解玉米秸作型煤黏结剂的研究

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Sodium hydroxide is a kind of hydriodide.

氢氧化钠就是一种氢氧化物.

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Lye-- spelled ly-e -- also called sodium hydroxide or potassium hydroxide.

碱,拼写为l -y-e,也称为氢氧化钠或者氢氧化钾.

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BEPI was hydrolyzed in the excess sodium hydroxide into a tetrasodium salt, and then acidified into bisphenol A type diether tetraacid ( BPDETA, yield: 97.3%, melting point; 198.5~ 201.5 ℃) with sulphuric acid.

再在过量氢氧化钠的作用下水解BEPI，使之生成四钠盐后，酸化处理得到双酚A型二醚四羧酸（BPDETA），收率为97.3%，熔点为198.5～201.5℃；

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Viscose manufacturing process involves the reaction of cellulose with sodium hydroxide to form an alkali cellulose.

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.

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Optimizing Strategy for Three Effects Following Flow Evaporation Process of Sodium Hydroxide Solution

三效顺流烧碱蒸发过程的操作型优化策略

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The hydrolysis procedure with sodium hydroxide was used to reduce handling time.

采用碱水解，缩短了样品水解时间。

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Get Volume Cleverly The eluate was neutralized with 1N sodium hydroxide and decolorized with active charcoal, and then evaporated to a small volume. The D.

用1N的NaON调节洗脱液的pH值到6.5，加入活性炭脱色后浓缩到小体积。

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Sodium hydroxide was used to release ferulic acid from wheat bran.

研究以小麦麸皮为原料碱解制备阿魏酸的工艺条件.

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The celery seed oil was extracted with Soxhlet extraction method. The obtained seed oil was esterified by sodium hydroxide methanol, and then the components and their relative contents were analyzed by GC/ MS.

采用索氏提取法提取了天津实心芹菜籽油及美国西芹籽油，提取的油用氢氧化钾-甲醇法酯化后，对其进行了GC/MS分析。

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The Improvement on Reaction Experiment of Aluminum and Sodium Hydroxide Solutions

铝与氢氧化钠溶液反应实验的改进

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Evaluation of the uncertainty for the concentration of sodium hydroxide standard solution

氢氧化钠标准溶液浓度不确定度的评定

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Study on raising concentration capacity of gold by using sodium hydroxide

用氢氧化钠提高泡塑富集金能力的探讨

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Commonly used in alkaline substance, such as sodium hydroxide, potassium hydroxide, sodium silicate and so on.

常用不弱碱性精神, 如氢氧化钠 、 氢氧化钾 、 硅酸钠等.

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The concentrated sodium hydroxide is filtered through a pressure filter.

浓缩过的氢氧化纳通过压滤机过滤.

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The paper discussed a possibility of sodium hydroxide hydrolysis corn straw as briquette binder.

探讨了以氢氧化钠水解玉米秸作为型煤黏结剂的可能性.

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An additional benefit resulting out of sodium hydroxide recovery is the decrease in consumption of alum at the treatment plant.

回收氢氧化钠的另一好处，是降低了处理厂的铝盐消耗量。

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Sodium diacetate is synthesized by acetic acid and sodium hydroxide.

以醋酸-烧碱法合成双乙酸钠.

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The parent ketone can then be recovered at a later time by decomposition with sodium hydroxide.

产物在氢氧化钠存在下可以分解从而还原酮.

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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.

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Determination of sodium hydroxide contents by simplified process in central control analysis

烧碱中控分析中用简化法测定氢氧化钠含量

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Sodium hydroxide and hydrochloric acid can be sourced in the city.

氢氧化钠和盐酸市内采购.

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This material is dissolved in dilute sodium hydroxide to form the viscose solution.

将纤维素黄酸酯溶解在稀释的氢氧化钠溶液中,粘胶溶液便制成了.

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Freely soluble in sodium hydroxide solution, its Solution appears acid reaction.

溶于氢氧化钠溶液, 水溶液呈酸性反应.

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The best decrease was always at sodium hydroxide treatment among these components.

各组分下降幅度均以氢氧化钠处理最高.

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Caustic soda, ie sodium hydroxide, used in the manufacture of soap.

苛性苏打(俗称烧, 用于制皂业).

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Study on sodium hydroxide reclaim and biochemical treatment of antibiotic wastewater

抗生素废水碱回收与生化处理试验研究

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

碱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.

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