Measurement of Sodium, Magnesium, Calcium and Strontium in Barium Carbonate Used in Electronic Industry 电子工业用碳酸钡中钠、镁、钙、锶的测定碳酸二乙酯的合成方法
The effects of magnesium ions to growth of calcium carbonate were investigated under different molar rate of magnesium ions to calcium ions, and the mechanism of effect was also discussed. 安徽大学申请硕士学位论文(l)研究了不同M留Ca摩尔比的条件下,镁离子对碳酸钙晶体的结晶行为的影响,并对影响机理进行了探讨。
This technology changes the ore into magnesium, calcium carbonate and compound fertilizer through calcination, separation, carbonization and roasting. 该工艺将矿石通过煅烧、分离、碳化、焙烧等过程,加工成镁、碳酸钙和复合肥。
Effect of Magnesium Ion on Morphology of Calcium Carbonate Polymorphs 添加镁离子对碳酸钙结晶形貌的影响
This paper has introduced the method, principle, technological process and main equipments for the production of light magnesium carbonate and superfine Mg-containing calcium carbonate from dolomite by the new technology of double-stage and double-time carbonization, using spraying tower in combination with mushroom-cap tower. 介绍了以白云石为原料,采用喷雾和菌帽塔相结合二级二次碳化新工艺,制取轻质碳酸镁联产超细含镁碳酸钙新产品的生产方法、生产原理、工艺流程及主要设备。
The result indicate that if we use basic magnesium chloride whisker as fillers, the plastic characteristic is better than that using light calcium carbonate as fillers. 研究结果表明,碱式氯化镁晶须为填料比轻质碳酸钙等为填料的塑料的性能均有较大提高。
As the concentration of magnesium and aluminum ions increases, it tends to increase the final energy of calcium carbonate cell, resulting in lattice instability, which can further promote the transformation of calcite to aragonite. 随着镁离子和铝离子浓度的增大,碳酸钙晶胞的最终能呈增大趋势,从而造成晶格的不稳定促进方解石向文石的转变。
Rubber industry needs a variety of auxiliary chemicals ( known as little material) in the rubber mixing process, These auxiliary chemicals are mainly accelerator, zinc oxide, light magnesium oxide, antioxidants, calcium carbonate, resin, anti-coke etc dozens of powder. 橡胶行业在橡胶的混炼工序中需要各种化学药品做辅料(俗称小粉料),这些辅料主要有促进剂、氧化锌、轻质氧化镁、防老剂、碳酸钙、树脂、防焦剂等几十种粉料。
This paper is about the new technics to prepare the MgO powders using the materials of magnesium chloride and calcium carbonate ( calcium oxide, dolomite). This research has laid a solid foundation for using our abundant brine resources to prepare high purity MgO powders. 本研究开展了以氯化镁和碳酸钙(氧化钙、白云石)为原料制备氧化镁粉体的新工艺研究,为利用我国丰富的卤水资源制备高纯氧化镁奠定基础。