| 1. | Effect of dust consistence on media performance 粉尘浓度对滤料性能的影响研究 |
| 2. | Performance optimization of coal dust extraction 粉尘浓度可降低至 |
| 3. | Research on measuring powder concentration 粉尘浓度测量的研究 |
| 4. | Control mark and measuring methods of density of ore dust for harbor 港口矿石粉尘浓度控制指标及测试方法 |
| 5. | A study on the distribution of dust concentration in workshops of textile plants 棉纺作业场所粉尘浓度分布的研究 |
| 6. | General technical condition for direct reading instrument for dust concentration measurement 直读粉尘浓度测量仪表.通用技术条件 |
| 7. | Present status and development tendency of monitoring technology of dust concentration in our coal industry 我国煤炭行业粉尘浓度监测技术的现状及发展趋势 |
| 8. | Comparison of dust concentration before and after regulation in ceramic industry in long - wan district of wenzhou city 温州市龙湾区陶瓷行业整治前后粉尘浓度对比 |
| 9. | Numerical simulation of distribution regularities of dust concentration during the ventilation process of coal drift driving with exhaust ventilation 抽出式通风煤巷掘进过程中粉尘浓度分布规律的数值模拟 |
| 10. | Though it effect well when powder concentration is high , it cannot get a good measurement result when the concentration is low 光透射的方法在测量高浓度粉尘时效果较好,但是在粉尘浓度较低时,它便无法得到较好的测量结果。 |