钠

Some factors, such as the reaction temperature, system pressure, solution acidity, sodium chlorate concentration and the quality ratio of hydrogen peroxide to sodium chlorate on reaction are studied.

研究了反应的温度、真空度、硫酸浓度、氯酸钠浓度、过氧化氢和氯酸钠摩尔比等反应条件对反应影响，得出了实验室制备二氧化氯的最佳反应条件。

A process of electrolytic synthesis of sodium perchlorate from sodium chlorate solution by lead dioxide anode based titanium metal is introduced.

介绍了以钛基体二氧化铅作为阳极，电解氯酸钠合成高氯酸钠的过程。

Sodium chlorate solution was electrolyzed for the preparation of sodium perchlorate by two steps method.

采用二步法通过电解氯酸钠溶液制备高氯酸钠。

Third, the project description: sodium chlorate mainly used for the production of chlorine dioxide and other preparation of perchlorate, perchlorate and pesticides, pharmaceuticals, printing and dyeing, and so the chemical industry, proposed an annual output of 50,000 tons sodium chlorate project , the project completed, it can be realized in sales of 300 million yuan.

三、项目简介：氯酸钠主要用于二氧化氯的生产及制取其他亚氯酸盐、高氯酸盐及农药、医药、印染等化工行业，拟建年产5万吨氯酸钠项目，项目建成后，年可实现销售收入3亿元。

The author paid multiple visits to several world′s largest sodium chlorate manufacturers in North America and Europe,including their subsidiary plants,renowned engineering divisions as well as electrolyzer and coating companies.

根据笔者多次访问、考察北美、欧洲等全球几个大的氯酸钠生产公司及其所属工厂、知名的工程公司、电解槽及涂层制造公司，介绍了国外发达国家氯酸钠生产中的盐水精制、电解、结晶等主要工序和关键设备，以及环境保护。

The regularity between taxanes content and sodium citrate concentration is not clear, but the effect of sodium citrate on taxanes production is analogy.

紫杉烷的含量与柠檬酸钠的浓度之间没有明显的规律，但柠檬酸钠对这几种紫杉烷的生产的影响具有相似性。

The solution of sulfuric acid was added dropwise to the reaction vessel contained 1,3-dichloro-2-propanol, sodium dichromate and water.

将硫酸水溶液滴加到1，3-二氯-2-丙醇与重铬酸钠水溶液的混合物中，在温度23~27℃的条件下搅拌反应5 h，重铬酸钠∶1，3-二氯-2-丙醇=1∶2，此条件下收率为79.6%。

The peak currents i p and peak potentials E p of the oxidation peaks for sodium dichromate solution of different concentrations, i.e ., water under the existence of sodium dichromate, were experimentally measured at different temperatures and sweep rates v on the electrode.

实验测得不同温度、不同扫描速度 v 、不同浓度重铬酸钠溶液即重铬酸钠存在下水在电极上的氧化峰峰电流ip和峰电位Ep，建立了 i p～ v 1/2和 E p～ln v 方程，表明电极反应是主要受扩散控制的不可逆反应。

Based on laboratory research,the feasible analysis on process technology of producing sodium dichromate from used chromic residue phosphate produced by reused sodium hydroger sulfate in chromate producing system is made,together with its potential market analysis.

铬盐生产厂含铬硫酸氢钠返回系统中再利用所产生的废渣———磷酸铬渣，通过实验室研究，可生产重铬酸钠。

The Shandong Lianchuang chemical limited company is the domestic main sodium metasilicate manufacturer, year to year devotes to the sodium metasilicate research and development production.

山东联创化学有限公司是国内主要的偏硅酸钠生产厂家，常年致力于偏硅酸钠的研发生产。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。