钠

A study was made of the alkali recovery from sodium hydrate alumino silicate by wet treatment .

对钠硅渣湿法处理工艺的脱碱过程进行了研究，分别考察了脱碱温度、时间、液固比和石灰添加量等因素对钠硅渣脱碱效果的影响，提出了适宜的脱碱工艺条件。

The optimun technological conditions were studied on the synthesis of 9-flourenylmethanal by the reaction of flouren and ethyl formate , and the synthesis of 9-flourenylmethanol by the reaction of 9-flourenylmethanal and methanal with sodium ethylate as catalyst.

研究了乙醇钠为催化剂，由芴与甲酸乙酯合成芴甲醛，再由芴甲醛与甲醛合成苯甲醇的工艺条件，结果表明：合成芴甲醛时，当芴为 16g时，催化剂乙醇钠 4 。5g ，甲酸乙酯 66ml，反应时间为 36h ，收率 75 %：合成芴甲醇时，当芴甲醛为 19g时，甲醛 7.0ml，10 %NaOH溶液 70ml，反应时间 2 。0h ，收率：63

First-class service, first-class prices, in the same industry do: technology-based, market-oriented innovation as the driving force for the integrity of customers, products manufactured sodium chlorate, potassium perchlorate, sodium chlorite, chlorine dioxide .

一流的服务，一流的价格，在同行业做到，：科技为基础，市场为向导，创新为动力，诚信为客户，公司生产产品有氯酸钠5万吨，高氯酸钾，亚氯酸钠，。

Sodium arsenite group and sodium arsenate group were made by 300 mg/L per day of sodium arsenite and sodium arsenate respectively. The mice were sacrificed after 10 months for liver function and pathologic examination. The expression of MMp-8, TIMP-2, Col-Ⅰ、Col-Ⅲ mRNA were detected with real time flourescence quantitative PCR. The result was controlled with 18s.

亚砷酸钠组和砷酸钠组给予普通饲料和砷溶液。10个月后处死小鼠，血清进行肝功能检测；苏木素－伊红染色部分肝组织；Trizol-酚－氯仿一步法提取小鼠肝组织总RNA，紫外分光光度法测定总RNA浓度及纯度，实时荧光定量PCR法测肝组织中MMP-8、MMP-2、Col-Ⅰ、Col-Ⅲ mRNA的表达，以18S基因作为质控。

First, through comparing the decomposition technology of Sodium Aluminate Solution, it is produced by using the technology of Seed-crystal Decomposition of Sodium Aluminate Solution.

首先通过铝酸钠分解工艺的比较，确定应用铝酸钠溶液晶种分解工艺进行高白氢氧化铝的生产。

In this paper we have investigated the effect of SiO2 on the precipitation rate and particle size distribution of seeded precipitation proceeding in sodium aluminate solution by ion membrane electrolysis .

采用离子膜电解铝酸钠溶液研究硅对铝酸钠溶液快速分解过程分解率和粒度分布的影响，并用扫描电镜对自发分解产品的表面形貌进行了表征。

Another sodium acetate, sodium bisulfate 6000 tons, products are exported to the United States, Britain, Japan, India and Western Europe and other countries and regions.

另有乙酸钠、硫酸氢钠6000吨，产品远销美国、英国、日本、印度和西欧等国家和地区。

Preparation of a known concentration of sodium and sodium acetate solution to the preparation of a standard curve.

配制成已知浓度的甲酸钠、乙酸钠溶液，从而进行标准曲线的配制。

The addition of sodium acetate and sodium propionate with the mass content 3% can make the specific viscidity increased to 1210 mL/g and 1130 mL/g.

而质量分数为3%的乙酸钠和丙酸钠的加入可使产品特性粘数增加至1210mL/g和1130mL/g。

The studies of siliceous rocks and iron-cherts show the evolution of the environment of rock-forming and ore-forming.

钠质容矿围岩蚀变后产生的低钠晕对研究矿床成因和指导找矿都有重要意义。

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。