| 1. | Debye - scherrer camera
戴薛氏照相机 |
| 2. | While under scherrer formula , the average size of this wo3 is about 17nm . 2
根据scherrer公式计算,这种方法得到的wo3平均粒径在17nm左右。 |
| 3. | Considering the characterization purpose asked by this research , scherrer formula was chose to calculate particle size of the srceo3 products
根据本研究中表征制备产物的需要，选择scherrer公式计算纳米srceo3粉体的粒度。 |
| 4. | After 25 cycles of milling , the grain size of iron gets down to 22nm as calculated by scherrer equation . the psd suggests that the size reduction of pp is more effective when pp was co - milled with iron particulate
Wtr的比表面积随碾磨次数增加而增大，碾磨25次wtr比表面积由0刀073mz g增大为7二304m勺g ，表明磨盘碾磨在制备高表面活性的橡胶粉末独具优势。 |
| 5. | The results of dsc - tg and xrd ( x - ray diffracton ) showed that prepared gels began to transform into the strontium titanates with perobskite - type cubic phase at 600 ? by a heat treatment and the reaction was completed proximately at 800 ? . the grain sizes were smaller than 51 . 78nm using scherrer ' s formula
Dsc - tg和x射线衍射分析的结果表明，在600左右时，开始有立方钙钛矿型srtio _ 3生成；反应在800左右基本完成，由scherrer公式计算，粉体的粒径小于51 . 78nm 。 |
| 6. | By using the method of burning , we fabricated the ceramic powder of al2o3 , and discussed the effect of mole percentage of metal ions and urea on forming phases of al2o3 . we calculated the x - ray powder diffraction by scherrer formula , and we thought that the ceramic powder reaches nano order
采用燃烧法制备了al _ 2o _ 3陶瓷粉末，讨论了金属离子和尿素的摩尔比对al _ 2o _ 3成相的影响；对其x射线粉末衍射数据用scherrer公式计算得出所得al _ 2o _ 3陶瓷粉末已达到纳米量级。 |
