查询词典 carbonate

Borax calcium carbonate, hydroxide, copper sulphide, ferric oxide, barium carbonate, antimony trioxide, all kinds of metallic hydroxide, kinds of heavy metallic salt, synthetic cryolite and so on.

无机物：硼酸、碳酸钙、氢氧化物、硫酸铜、氧化铁、碳酸钡、三氧化锑、各种金属氢氧化物、各种重金属盐、合成冰晶石等

In general as long as the temperature reaches 90 ℃, the common E. coli, hepatitis B virus and other bacteria have already perished, but we still continue to boil water, this area is to allow water in the calcium carbonate, magnesium carbonate and other ingredients to fully precipitate impurities, and the other On the one hand, because I am using tap water is treated with chlorine, so a certain degree of residual chlorine in water, in the process of boiling water, chlorine and impurities in the water will generate harmful substances called chloroform.

在一般的长期的温度达90℃，普通大肠杆菌，乙型肝炎病毒和其他细菌已经死亡，但我们仍烧开水，这方面是允许的碳酸钙，碳酸镁和其他水成分，杂质充分沉淀，以及对其他一方面，因为我使用的自来水是用氯处理，因此在水中的余氯，在一定程度上开水，氯和水中杂质的过程中，将生成所谓有害物质氯仿。

This Technology adopts green chemical product---Dimethyl Carbonate to substitute carbonyl chloride and exchange with Phenolic Esters to produce Diphenyl Carbonate.

本技术用绿色化工产品碳酸二甲酯代替光气与苯酚酯交换生产碳酸二苯酯，是一条清洁生产工艺。

Hydrogen peroxide as oxidizer and sodium carbonate as remover, arsenic, iron, nickel, calciumand lead are removed from copper-bearing mixture by neutralization and precipitation, then use the liquor thathave been filtrated react with the sodium carbonate to produce basic copper carbonae and make the quality of theproduct meet the export request.

采用氧化和中和沉淀方法，以H_2O_2作氧化剂、Na_2CO_3作脱杂剂脱除含铜混合液中的As、Fe、Ni、Ca、Pb等杂质，利用其与碳酸钠反应生产减式碳酸铜，并使产品质量达到出口要求。

The presence of Mg〓 will change the crystallization process of calcium carbonate and produce aragonite scale. The presence of Zn〓 can prevent the formation of the crystal nucleus of calcium carbonate and then prevent the scale.

当水的硬度、温度增加时，水的结垢速率增加；SO〓和NaCl含量增加，能使水的结垢速率略有增加；Mg〓能改变碳酸钙的结晶过程并产生文石状的水垢；Zn〓的参与能明显阻碍碳酸钙微晶核的生成，从而达到阻垢的目的。

Calcium carbonate crystal form was characterized by microscope and electron-scanning microscope,XRD and FTIR analysis was employed to investigate the morphology of calcium carbonate whiskers.

论文摘要以工业废弃磷石膏为原料制备碳酸钙晶须，利用显微镜和扫描电镜观察晶体形貌，晶须样品的晶型用X衍射和红外光谱进行了表征。

The calcium sulfate was dissolved and led to the rapid increase of calcium ion concentration in the solution. So the calcium sulfate is not suitable for being seed crystal of low-salt concentration. The quartz sand and calcium carbonate both can be used as seed crystals, but it is much faster and more complete to use calcium carbonate as seed crystal compared with using quartz sand.

当硫酸钙加入处理液中发生了硫酸钙溶解现象，导致溶液钙离子浓度迅速增加，故硫酸钙不适合做低浓度盐水的晶种，而石英砂和碳酸钙均能对钙离子的结晶起到效果，但碳酸钙做晶种对钙离子的结晶更快捷、更彻底，在条件允许的情况下，采用碳酸钙做晶种为宜。

The water-scaling rate will increase when the water hardness or temperature is increased. The water-scaling rate will increase slightly when the concentration of SO〓 or NaC1 is increased. The presence of Mg〓 will change the crystallization process of calcium carbonate and produce aragonite scale. The presence of Zn〓 can prevent the formation of the crystal nucleus of calcium carbonate and then prevent the scale.

当水的硬度、温度增加时，水的结垢速率增加；SO〓和NaCl含量增加，能使水的结垢速率略有增加；Mg〓能改变碳酸钙的结晶过程并产生文石状的水垢；Zn〓的参与能明显阻碍碳酸钙微晶核的生成，从而达到阻垢的目的。

The influences of polyaspartic acid alone, magnetic field alone, and their synergism on the crystal forms of calcium carbonate and the scale inhibition performance were investigated. The calcium carbonate crystal samples were characterized with SEM and XRD.

研究了单独使用环保型高分子聚合物－聚天冬氨酸、磁场以及磁场与聚天冬氨酸的协同作用对碳酸钙晶型和阻垢性能的影响。

The calcium carbonate crystal is needle short fiber-typed, its length is 2-8 micron and width is 0.3-1.5 micron, the ratio of length and diameter is 5-10, its content of vaterite calcium carbonate is larger than 90% with small particle on the surface of.

该碳酸钙晶体为针状短纤维形，其尺寸长为2-8微米，宽为0.3-1.5微米，长径比在5-10，球霰石型碳酸钙含量大于90％。该针状短纤维碳酸钙晶体表面附载有小颗粒。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。