| 1. | Particle concentrations in the upper atmosphere drop regularly as the altitude rises .
在高层大气中粒子浓度随高度的增加而有规律地下降。 |
| 2. | Experiments in pneumatic conveying show that there exists a maximum particle concentration .
气力输送实验表明，这里存着一个最大的颗粒浓度。 |
| 3. | Methods for testing the performance of dust particle counter - particle concentration
尘埃粒子计数器性能试验方法颗粒数浓度 |
| 4. | Exafs studies on particle concentration effect and adsorption reversibility of zn onto anatase tio
2体系的颗粒物浓度效应和吸附可逆性 |
| 5. | The vertical distribution of particle concentration fits rouse ' s equation well with > 1
颗粒垂向浓度分布符合扩散方程，修正系数> 1 。 |
| 6. | Measurement and analyses of particle concentration distribution in pdc type of cyclone tube used in fcc unit
型旋风管内颗粒浓度场的测试及分析 |
| 7. | Workplace atmospheres - assessment of performance of instruments for measurement of airborne particle concentrations
工作场所环境.空气中粒子浓度测量用仪器的性能评定 |
| 8. | The particle collision frequencies and granular temperature as a function of particle concentration were obtained
得到了颗粒碰撞频率和颗粒温度随颗粒浓度的变化规律。 |
| 9. | Workplace atmospheres - assessment of performance of instruments for measurement of airborne particle concentrations
工作场所空气.气体中微粒浓度测量用的仪器性能的评定 |
| 10. | The conclusion obtained from experimental result showed that particle concentration is an important factor on inhibitor ablation
试验结果表明：粒子聚集浓度是绝热层烧蚀的重要影响因素。 |
