| 1. | The application of evaluating grade in thoracolumbar burst fracture
评分分级法在胸腰椎爆裂骨折中的应用 |
| 2. | Method of visual classification for muscovite mica blocks , thins and films
白云母块薄片及薄膜的目视分级法 |
| 3. | Classification or grading method
归类或分级法 |
| 4. | Particle size analysis ; size analysis by air classification ; fundamentals
粒度分析.用空气分级法进行粒度分析.原理 |
| 5. | Modulation of spinnable polycarbosilane with a high melting point via fractional precipitation
沉淀分级法调制纺丝级高熔点聚碳硅烷 |
| 6. | Particle size analysis ; size analysis by air classification with centrifugal counterflow classifier
粒度分析.用离心逆流分粒器风力分级法进行粒度分析 |
| 7. | Particle size analysis ; size analysis by air classification with gravitation - counterflow elutriator
粒度分析.用重力逆流筛分机的风力分级法进行粒度分析 |
| 8. | Methods for ultrasonic testing and classification of welds for steel space grid structures with welded joints
焊接球节点钢网架焊缝.超声波探伤及质量分级法 |
| 9. | Methods for ultrasonic testing and classification of welds for steel space grid structures with bolted joints
螺栓球节点钢网架焊缝.超声波探伤及质量分级法 |
