碳酸

The technology of calcium-removing in the production of high-purity manganese carbonate is studied in which the manganiferous waste water from the production of 1,4-dihydroxy benzene is as raw material.

研究了以对苯二酚生产中副产含锰废水为原料，生产高纯碳酸锰的除钙工艺。

In a word, with the manganiferous waste water produced from the manufacture of 1 ,4-dihydroxy benzene as raw material, preparation of high-purity manganese ~ carbonate is feasible in technicality, reasonable in process and considerable inAeconomic benefit.

总之，以对苯二酚生产中副产的含锰废水为原料，生产高纯度碳酸锰在技术上是可行的，工艺上是合理的，经济效益是可观的。

Hign-purity manganese carbonate from the manganiferous waste water was produced from the manufacture of 1,4-dihydroxy benzene, especially the preparations from waste water containing plenty of natrium and sulphate were studied.

以对苯二酚生产中副产物含锰废水为原料，研究了生产高纯碳酸锰时除杂质钠盐与硫酸根的工艺，并研究了影响杂质含量的诸因素，如温度、锰离子浓度、加料方式等。

Its rich content of the metasilicate in enhancing the flexibility of human blood vessel wall is very useful, the water content in sodium bicarbonate is more unique effects on human metabolism.

其丰富的偏硅酸含量则对增强人体血管壁的弹性十分有益，水中的碳酸氢钠含量对人体新陈代谢更具独特疗效。

Types _ metasilicic acid , carbonic acid type , strontinm type and compound type .

主要类型有偏硅酸型、碳酸型、锶型和复合型。

Medical heavy magnesium carbonate was made from soda (NaCO3) and magnesium chloride (Mgcl2*6H2O) by the metathetical reaction followed by pyrolysis,separation and desiccation.

方法用纯碱和盐卤作为原料，经复分解反应后再热解、分离、干燥制得医用重质碳酸镁。

Dimethyl carbonate is synthesized directly from carbon dioxide and methanol in the presence of magnesium methoxide .

报道一种在甲醇镁作用下，由二氧化碳及甲醇直接合成碳酸二甲酯的反应过程。

Carbon dioxide ; Methanol ; Dimethyl carbonate ; Supported nickel methoxide complex ; SiO\-2 support

二氧化碳；甲醇；碳酸二甲酯；负载型镍甲氧基配合物； SiO2载体

The results showed that Ni\+\{2+\} bonds with O\+\{2-\} of the SiO\-2 support in bidentate fashion and is terminated with the two methoxyl groups.

结果表明，负载型单核金属甲氧基配合物 Ni(OCH3) 2 / Si O2 中，Ni2 +与载体 Si O2 表面的 O2 -以双齿形式配位；在催化剂表面存在 CO2 的桥式吸附态和甲氧碳酸酯基物种两种吸附态，CH3OH则只有一种分子吸附态。

An individual with methylmalonic acidemia who is critically ill must first be stabilized; the base deficit of the individual with metabolic acidosis is calculated and corrected using intravenous bicarbonate solutions containing glucose, and measurements of electrolytes, venous or arterial blood gases, urine output, and serum sodium concentrations are monitored.

治疗：患有甲基丙二酸血症的个体，若病情严重应首先稳定病情；代谢性酸中毒的患者的碱缺失需要计算，并用静脉注射含有葡萄糖的碳酸氢盐溶液进行矫正，电解质测量、静、动脉血气、排尿量和血清钠浓度需要监控。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。