碳酸

Feed additive and diluters with iodine, cobalt, and selenium, industrial raw materials and glass equipments, which are widely used in pharmacy, chemistry, feed, electroplating, and surface processing industries, with sales network all around china by our credit and reputation.

青岛金海碘化工有限公司是一家从事医药化工产品的研制、开发与生产的综合企业，产品主要有：精碘、碘化钾、碘化钠、碘酸钾、碘酸钙、二氧化硒、氯化钴、碳酸钾、硫酸钴和不同浓度的碘、钴、硒饲料添加剂和稀释剂以及各种化学试剂、工业原料、玻璃仪器等。

The preparation of 5 tri compound driers and their properties in alkyd varnish are introduced.

介绍了碳酸二甲酯在热塑性丙烯酸清漆、硝基清漆、醇酸清漆和聚氨酯清漆中的应用。

Do not give patient any baking soda or emetics.

禁止给病人碳酸氢钠或催吐剂。

Recent research works on one-pot synthesis of dimethyl carbonate from epoxide s,carbon dioxide and methanol were reviewed.

综述了近几年环氧烷烃、二氧化碳和甲醇一步法合成碳酸二甲酯的研究进展，详细阐述了当前所用到的催化剂的结构，性质和催化机理，简单探讨了该合成路线的反应机理，并分析了以后需要深入研究的方向。

Dimethyl carbonate can be directly synthesized from CO 2,methanol and epoxide by using a two component catalyst.

在双组分催化剂的作用下，由CO2 、甲醇和环氧烷烃直接合成碳酸二甲酯。

Under supercritical carbon dioxide conditions, the reaction of carbon dioxide and epoxides occurred with zinc maleate as the catalyst.

在超临界二氧化碳中，利用马来酸锌催化二氧化碳与环氧化物反应合成环状碳酸酯。

A verity of epoxides could also be transformed to the corresponding cyclic carbonates with a high yield in the presence of the binary catalyst system.

该二元系统也能催化其它环氧化物高产率地转化为相应的环状碳酸酯。

The heat transfer performance of the umbrella-plate falling film evaporator was studied, water and concentration of 5%-40% potash was used as medium in this paper.

本文以水和5％～40％的碳酸钾溶液为工作介质，对伞板式降膜蒸发器的传热性能进行了实验研究。

In this research, waste activated alumina and basic magnesium carbonate were used as raw materials to synthesize magnesium aluminate spinel by double step firing process.

本研究利用废活性氧化铝与碱式碳酸镁为主要原料，二步煅烧法制备镁铝尖晶石材料。

Use creatively the material of liquid crystal panel: extremely high transparent polycarbonate foundation plate.

创造性地使用液晶平面材料：透明性极高的聚碳酸脂的基板。

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。