查询词典 sodium

Sodium cyanide product supply and marketing, is one of the company's main business, mainly from the United States, Japan, Korea and other countries import their products high purity, quality and stability, gold production for domestic use, the company has specialized sodium cyanide Import and sales department, the main foreign suppliers to establish a good relationship of cooperation, national sales network covering major regions.

氰化钠产品的供销，是公司的主营业务之一，主要从美国、日本、韩国等国家进口，其产品纯度高、质量稳定，为国内黄金企业生产所用，公司设有专门的氰化钠进口和销售部门，与国外的主要供应商建立了良好的合作关系，销售网络覆盖全国主要区域。

The recovered sodium cyanide and sodium cuprous cyanide can be directly returned to the plating ta...

再生回收的氰化钠和铜氰化钠可直接在镀槽内回用。

In this paper, the methods of determining free sodium cyanide in cyanidc solution of gold ore by colorimetric comparison are studied, this Laying a foundation for the development of automatic analytical instrument of sodium cyanide at home.

本文研究了用比色法测定金矿氰化液中游离氰化钠的方法，为国内研制氰化钠自动分析仪打下基础。

The elution results showed that there would be a definite effect after the fiber was treated by sodium cyanide after elution by sulphuric acid and ammonia, then with sodium nitrate.

铁的解吸探索实验发现，用第一步硫酸解吸回收氰化氢的氢氧化钠溶液处理第二步氨水解吸后的纤维，然后用硝酸钠解吸，有一定的效果。

PEG400, which is poisonless, low cost with good capability of carrying sodium ion, was used as catalyst, and sodium cyanide owing to its less toxicity, stability, less amount in the reaction, was used as cyanating reagent in the reactions.

在有机卤代化合物或酯与PEG400、NaCN的用量比分别为1∶0.03和1∶1.3的条件下，获得了高收率（84％-96％）和高纯度（≥98％）的腈化物。通过几种不同溶剂下反应的对比，选择了以苯为溶剂，在酰氯与PEG400、 NaCN的用量比分别为1∶0.05和1∶1.2及反应温度为室温的条件下，合成了酰基腈化物。

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 results indicated that treatment of the cells with sodium fluoride 10^(-7-10^(-3)molL^(-1) up-regulated the expression of osteocalcin gene in a dose-dependent manner. Furthermore, 5×10^(-4) molL^(-1) sodium fluoride treatment showed a maximal stimulation, which was almost 30 times higher than the control.

各浓度NaF均能刺激体外培养成骨细胞OCN基因的表达呈剂量依赖关系，当浓度为5×10^(-4)molL^(-1)时OCN基因表达量的增加最为明显，约为对照组的30倍。

Sodium fluoride and sodium monofluorophosphate dentifriceF 1.450 mg/L in reversal of early caries were better than non-fluoride one.

2种氟浓度1 450 mg/L的牙膏与无氟牙膏比较，具有明显的抑制牙釉质光滑面早期龋损脱矿的作用。

The production method and processing conditions of sulfur,sodium hyposulfite, sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.

介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件，指出硫化氢的综合利用生产工艺简单，产品质量稳定，容易工业化，产品成本低，同时消除了硫化氢尾气对环境的污染，有巨大的经济效益和社会效益，发展前景非常广阔。

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。