| 1. | Sieve analysis of fine powders with air - jet sieve - apparatus
用空气喷射筛装置对精细粉末进行的筛分析 |
| 2. | Methods for analysis and testing of coal and coke - size analysis of coal
煤和焦碳的分析和试验方法.煤筛分析法 |
| 3. | Standard test method for wire - cloth sieve analysis of nonplastic ceramic powders
非塑性陶瓷粉末的金属丝筛分析的标准试验方法 |
| 4. | Plastics - vinyl chloride homopolymer and copolymer resins sieve analysis using air - jet sieve apparatus
用空气喷射筛装置的筛分析 |
| 5. | Sieve analysis test
筛分析试验 |
| 6. | Air analysis test
风筛分析试验 |
| 7. | Test method for precision electroformed wet sieve analysis of nonplastic ceramic powders
非塑性陶瓷粉末的精密电铸湿筛分析的试验方法 |
| 8. | Plastics - vinyl chloride homopolymer and copolymer resins - sieve analysis using air - jet sieve apparatus
塑料-氯乙烯均聚和共聚树脂-用空气喷射筛装置的筛分析 |
| 9. | Investigations of the raw material in hard - coal - mining ; determination of the particle - size - distribution 60 m by ultrasonic - microsieve - analysis
硬煤矿原材料调查.通过超声微粉筛分析测定 |
| 10. | We educed the principal factors that led the young seedling of lilium tsingtauense population to die were imputed to the serious drought during l ~ 2years old , and the deficiency of soiar light in the communities , as well as in weaker intrinsic resistance to unthvorable environmental conditions
环境筛分析得出，导致青岛百合种群幼龄个体死亡的内在原因是其较弱的抗逆性和适应能力，外在原因是严重的干旱和水涝、群落内的光照不足及外界干扰。 |
