sodium hydroxide的例句大全

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。

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。

In the presence of the phase transfer catalysts such as tetramethylammonium bromide, tetraethylammonium bromide or polyethylene glycol ( MW 400 and 6,000), lithium hydroxide is the best alkali among lithium hydroxide, sodium hydroxide and potassium hydroxide.

研究表明在溴化四甲基铵、溴化四乙基铵、聚乙二醇（分子量为6000）和聚乙二醇（分子量为400）相转移催化体系中，氢氧化锂最好，氢氧化钾次之，氢氧化钠最次。

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℃；

Hydrogen peroxide and sodium hydroxide was used respectively to degrade 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.

Hydrolysis was going on in sodium hydroxide solution.

水解在氢氧化钠溶液中进行.

These are removed by scouring ( alkaline treatment with a sodium hydroxide solution + detergent ).

通过洗涤 ( 纤维排成直线然后用氢氧化钠溶液+清洁剂 ) 可以去除这些杂质.

As one of the main products of chlorine alkali industry, sodium hydroxide is of exceedingly significance.

烧碱作为氯碱工业的主要产品之一, 更有着极其重要的地位.

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.

Study on Anticorrosive Property of Compound Sodium Molybdate Anticorrosion to Carbon Steel Application of Anticorrosive Rubber Lined Equipment in 10 ton/ year Ion Film Sodium Hydroxide Equipment

钼酸钠复合缓蚀剂对碳钢缓蚀性研究耐腐蚀橡胶衬里在10万吨/年离子膜烧碱设备中的应用

Wholesale: Tiangong brand's brand Sodium hydroxide, Potassium hydroxide, Potash, and other well-known brands of chemical raw materials.

另批发：天工牌氢氧化钠，优利德牌氢氧化钾、碳酸钾，等国内外知名品牌的化工原料。

A green method for ceric hydroxide synthesis with cerium carbonate and hydrogen peroxide as main raw materials is reported, and two products, ceric hydroxide and sodium acetate, are obtained.

研究了氢氧化铈合成的绿色方法.以碳酸铈和醋酸为主要原料，最后获得氢氧化铈和醋酸钠。

Nano-copper hydroxide precursors with the diameter of 20 to 30 nm have been synthesized by means of wet-chemical way, using cupric sulphate and sodium hydroxide as reactant, ammonia as controlling reagent, respectively.

以硫酸铜和氢氧化钠为原料，氨水为纳米颗粒粒径控制剂，通过湿化学方法合成了20～30nm纳米氢氧化铜棒状原药。