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- The review introduces three by chemical precipitation process,sol-gol method and reversed microemulsion method. 本文综述了化学沉淀法、溶胶-凝胶法和微乳法等三种湿化学方法在制备超细二氧化硅纳米材料方面的应用。
- wastewater treatment by chemical precipitation process 废水的化学沉淀处理法
- Research Progress in the Study of MAP Chemical Precipitation Process for Ammonium-nitrogen Containing Wastewater 磷酸铵镁化学沉淀法在处理氨氮废水中的研究进展
- positive chemical precipitating process 正向化学沉淀法
- Fundamental theories of particle size and morphology controlling for ultrafine powders in wet chemical precipitation process 超细粉末湿法制备过程中粒子粒度和形貌控制的基础理论
- chemical precipitation process 化学沉淀法
- The process and parameters of chemical precipitation to treat phosphate coating wastewater is presented in this paper. 作者提出了用化学沉淀法处理磷化废水的工艺流程和技术参数。
- And also the acidity in the rich elutriant is of benefit to the later precipitation process in uranium recovery. 而且,合格液酸度低,有益于后续的沉淀过程中回收铀。
- To remove phosphates from wastewater using biological phosphorus removal, chemic precipitation and combination of biological and chemical processes, etc. 除磷:去除废污水中磷成分,常用的方法有:生物除磷法、化学沉降除磷法、化学生物并用除磷法等。
- Ce,Tb-doped LaPO_4 nanoparticles were successfully prepared by a gel-network precipitation process. 采用明胶网格沉淀法,成功制备了共掺铈、铽的磷酸镧纳米颗粒。
- In this paper,HAP ultrafine powder was prepared by chemical precipitation with citric acid as dispersant. 采用沉淀法并用柠檬酸作分散剂合成HAP超细粉体。
- A novel reactive precipitation process was used to prepare ultra fine salbutamol sulfate powders. 以沙丁胺醇和硫酸为反应物,在异丙醇溶液中采用反应结晶法制备超细硫酸沙丁胺醇颗粒。
- 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。
- A certain number of suspending gravels are randomly selected to visually simulate sediment precipitation process. 统计模拟结果可得到充填层的可视化结构及孔喉直径的分布状况。
- Lanthanum zirconate(La2Zr2O7,LZ) and CeO2-La2O3-ZrO2(LCZ) composite ceramic powders were prepared by the chemical precipitation. 采用化学沉淀法制备了La2Zr2O7(LZ)和CeO2-La2O3-ZrO2(LCZ)陶瓷粉末。
- Short mullite fiber not only increases the aged hardness of Al 4.5Cu alloy, but also accelerates the age precipitation process. 莫来石纤维除了能明显提高Al 4 .;5Cu合金的时效硬度外;还能加速其时效析出过程 ;
- chemical precipitating process 化学沉淀法
- Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation. 采用均匀沉淀法合成碳酸铅,在此基础上通过高温分解制备纳米氧化铅。
- Using the model,simulation investigations have been carried out for precipitation process in several ternary alloys without any preassumption... 该模型无需预先设定新相结构和沉淀类型,可对实际三元合金的沉淀过程进行模拟研究。
- New methods of preparing rare earth doped YAG phosphors ,which contain sol gel,macro molecule network gel and precipitation process,were summarized. 本文总结了稀土离子掺杂的钇铝石榴石发光粉末合成的新方法,包括溶胶-凝胶法、高分子网落凝胶法、沉淀法等,并介绍了这些发光粉的性能。
