| 1. | Nanometer titanium dioxide powder preparation and its performance investigation
2粉体的制备及其性能研究 |
| 2. | Modification of coal powder preparation and combustion system in rotary kiln
回转窑煤粉制备及燃烧系统的改造 |
| 3. | Research and development of mechanochemistry in non - metallic mineral powder preparation
非金属矿物粉体机械力化学研究进展 |
| 4. | Development and application of vacuum freeze - drying technique in powders preparation
粉体真空冷冻干燥制备技术的应用与进展 |
| 5. | Applied practice of high concentration bag collector for coal powder preparation system
高浓度袋式收集器在煤粉制备系统中的应用实践 |
| 6. | Pharmacodynamics comparative study on the fine powder preparation and decoction of taohua decoction
桃花汤微粉制剂与煎剂的药效学对比研究 |
| 7. | As an advanced technique of powder preparation , it develops quickly and is applied in many important material sciences
作为一种先进的粉末制备技术，近年来它迅速发展并广泛应用于各重要材料科学领域。 |
| 8. | The effect of y - zro2 powders preparation process , the compositions of the powders and the sintering process on the fracture toughness , the tension strength and the grinding - ratio was investigated by the use of mechanical tests
增韧效果取决于y - zro _ 2粉体中稳定剂的含量、粉体制备工艺及参数以及pcd及pcbn高压烧结工艺与参数。 |
| 9. | Recently , as an advanced and eco - friendly method of powder preparation , freeze - drying has been developing quickly . the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd , ir , fesem , tem , and dsc . the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed
本论文以分析纯niso4 、 naoh为原料,采用冷冻干燥技术成功的制备了50nm左右的球状超细镍粉,通过xrd 、 ir 、 fesem 、 tem 、 dsc等材料现代分析手段对产物进行了分析和表征,研究了超细镍粉对高氯酸铵热分解的催化活性、前驱体的形成以及非晶态金属盐到晶态超细镍粉的转变过程。 |
