| 1. | Study on phosphorus removal from waste water by chemical precipitation 化学法处理含磷废水的试验研究 |
| 2. | Study on antiagglimeration of nanometer al2o3 powder prepared by chemical precipitation 3粉体中的反团聚研究 |
| 3. | Ammonia - nitrogen removal from landfill leachate by chemical precipitation 化学沉淀法去除垃圾渗滤液中氨氮的试验研究 |
| 4. | Preparation of hydroxyapatite powder for electrophoretic deposition by chemical precipitation method 用于电泳沉积涂层的羟基磷灰石粉体沉淀法制备 |
| 5. | Calcium silicate nanopowder preparaed by chemical precipitation method and its in vitro bioactivities 化学沉淀法制备纳米硅酸钙及其在模拟体液中的活性行为 |
| 6. | Mathematical model for treating electroless nickel plating wastewater by chemical precipitation and its application 化学沉淀法处理化学镀镍废水的数学模型及应用 |
| 7. | The entire experiment result makes known , it is simple and practicable that prepare nanometer tio2 powder by means of chemical precipitation method in laboratory . it is interesting to realize industrialize production of nanometer tio2 powder 研究结果表明,化学沉淀法是一种制备纳米tio _ 2的简便易行的工艺,这对于实现纳米tio _ 2粉体的工业化生产具有重要意义。 |
| 8. | In this paper , six methods of ammonia - nitrogen wastewater physic - chemical denitrication treatment were infroduced , such as blow - removal , steam - abstraction , crystallization , chemical precipitation , chlorination and ion exchange . their mechanisms and engineering application were analyzed and studied respectively . several problems to be cared for in development and implemention of the wastewater treatment techniques were pointed out 介绍了吹脱法、气提法、结晶法、化学沉淀法、氯化法、离子交换法6种常用的氨氮废水物化法脱氮处理技术和工程应用情况,并指出了在开发和实施氨氮废水脱氮处理技术(工程)时需要注意的问题。 |
| 9. | L shuchen ( condensd matter physics ) directed by prof . huang shihua preparation and room temperature emission of nanocrystalline zno , colloidal zno solutions and rare earth doped nanocrystalline zno are presented in the present paper , including the near infrared and upconversion luminescence . the main contents and the important results are as following : nanocrystals zno are prepared by chemical precipitation 吕树臣(凝聚态物理专业)指导教师:黄世华研究员本论文主要研究纳米晶zno粉体、胶体及纳米晶zno : re材料的制备和室温发射现象,包括近红外发射和上转换发射现象。 |