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- Nanometer zinc oxide powder has been prepared by direct precipitation method using zinc electrolyte as raw material from a factory in Xiangxi and Na2CO3 as precipitator. 以湘西某电解锌厂的锌电解液为原料,用碳酸钠为沉淀剂,采用直接沉淀法制备纳米氧化锌粉体。
- Preparation of CuS nonosol by direct precipitation method under ultrasound 超声波一直接沉淀法制备CuS纳米溶胶
- Keywords Nanomaterials;SnO_2;Preparation technology;Direct precipitation method; 纳米材料;二氧化锡;制备;液相直接沉淀法;
- [abstract] Nano-sized neodymium oxide was prepared by direct precipitation method with neodymium nitrate and ammonium carbonate as raw materials. 以硝酸钕和碳酸铵为原料，用直接沉淀法制备纳米氧化钕。
- direct precipitation method 直接沉淀法
- Methods:Sulfate ion precipitation method was used. 方法:采用硫酸根离子沉淀法。
- Magnesium titanate was obtained with special liquid phase precipitation method. 采用特殊液相沉淀法制备了镁的钛酸盐。
- Dead oil in a semi-oxidized state seems capable of effecting the direct precipitation of uranium from solute. 半氧化状态的重油似乎可能影响铀从溶液中的直接沉淀析出。
- Therefore, the straticulate dolostone and spatulate dolostones were rapidly formed by direct precipitation from vaporized seawater in tidal platform. 因此，塔里木盆地塔中1井钻遇的下奥陶统藻纹层白云岩与夹层竹叶状白云岩为潮坪环境下，从蒸发海水中快速沉积形成的。
- Direct schizolysis and TCA-Acetone precipitation methods were used to compare the effect on electrophoresis. 分别应用直接裂解法和TCA-丙酮沉淀法制备蛋白样品,比较各提取方法对电泳图谱的影响。
- The precipitation method is an efficient, economical and practical method for removing the colloidal impurities. 是去除胶体杂质有效、经济、实用的方法。
- A new process of producing nanometer zinc oxide by direct precipitation with the raw materials of Zn(Ac)_(2) and NH_(4)HCO_(3) by adding surfactant is introduced. 提供一种以醋酸锌与碳酸氢铵为原料,添加表面活性剂,直接沉淀法制备纳米氧化锌的新工艺。
- The square ratio method and basin precipitation method are commended for annual runoff calculation. 在年径流计算中，建议采用面积比法和流域雨量法。
- The pure,Y_2O_3-doped and Sm_2O_3-doped nanozirconia powders were prepared by the precipitation method. 利用液相沉淀方法制备了未掺杂、氧化钇掺杂和氧化钐掺杂的纳米级氧化锆粉体。
- Using ZnSO4.7H2O and urea as raw materials, nanometer ZnO was prepared by homogeneous precipitation method. 摘要以硫酸锌、尿素为原料，采用均相沉淀法合成了纳米氧化锌。
- The discoloring effectiveness of raw L-lactide with active carbon method is better than that of precipitation method. 用活性炭对L-丙交酯粗品进行脱色比用沉淀法脱色效果好,收率较高。
- The spherical zirconia and Ni-coated zirconia composite powders were synthesized by the chemical precipitation method. 摘要采用化学沉淀法分别制备球形氧化锆及镍／氧化锆复合微球粉体。
- Using barium hydroxide octahydrate and urea as raw material,barium carbonate is prepared by homogeneous precipitation method. 以八水氢氧化钡和尿素为原料,采用均相沉淀法制备了碳酸钡粉体。
- Nanocrystalline titania powders in the rutile phase were prepared by the homogeneous precipitation method using TiCl4 and TiCl3 as starting materials. 通过TiCl3、TiCl4共同水解可以制备出金红石相的氧化钛粉体.
- The seperation and purification of lipase produced by Candida antarctica(CALB) by ammonium sulphate-actone concerted precipitation method were studied. 采用硫酸铵-丙酮协同沉淀法,对南极假丝酵母产脂肪酶(CALB)进行了分离纯化研究。
