| 1. | Determination of the specific surface area of powders solids by gas adsorption method 气体吸附法测定粉末固体的特定表面面积 |
| 2. | Surface area factor 表面面积系数 |
| 3. | A huge sunspot group may cover an area 13 times or more the earth s entire surface 一个巨大的太阳黑子群的面积可以比地球表面面积的十三倍还大。 |
| 4. | Standard test method for determination of low surface area of catalysts by multipoint krypton adsorption 用多点氪吸附法测定催化剂的低表面面积的标准试验方法 |
| 5. | Standard test method for precipitated silica - surface area by multipoint bet nitrogen adsorption 用多点布-埃-特氮气吸附法对沉积二氧化硅表面面积的标准测试方法 |
| 6. | Advanced technical ceramics - methods of test for ceramic powders - determination of the specific surface area 高技术陶瓷.陶瓷粉的试验方法.特定表面面积的测定 |
| 7. | Meanwhile , an effective control can also be achieved by decreasing the surface area of the radiation noise 与此同时,减少辐射噪声的表面面积,也是控制辐射噪声的有效措施。 |
| 8. | Determination of specific surface area of solids by adsorption of nitrogen ; single - point diffenrential method according to haul and duembgen 用氮的吸收法测定固体比表面面积. haul及duembgen的单 |
| 9. | Provides an objective measure of wound size . may determine type of dressing chosen . surface area = length ( l ) x width ( w ) 提供疮面大小的客观参数,以此决定选用何种敷料,表面面积=长( l )宽( w ) 。 |
| 10. | Carbon black for rubber industry - fundamental characteristics - part 3 : determination of specific surface area - ctab adsorption methods 橡胶工业用碳黑.基本特性.第3部分:特定表面面积的测定. ctab吸收法 |