| 1. | Impeller diameters and outlet areas for centrifugal fans
离心式风扇用叶轮直径和插座区 |
| 2. | Impeller diameters and outlet areas for industrial centrifugal fans
工业离心式风扇的叶轮直径和出口面积 |
| 3. | Impeller diameters and outlet areas for tubular centrifugal fans
管状离心式通风机用叶轮直径和排气口面积 |
| 4. | The disaster of saline water intrusion has arisen continually at stream outlet area of the pearl river delta from the end of 1990s , which has brought on lack of water supply to fifteen millions people
摘要从上世纪90年代末开始，咸潮灾害在河流枯水期频繁侵袭珠江三角洲近河口地区，给1500万人口的生活和生产用水造成了很大的困难。 |
| 5. | This paper studies the influence of different riverside shape on the flow condition of low - head hydraulic lock ' s outlet area through mathematical computation and examples of project , and finds out the riverside shape which is the most advantageous one
摘要通过概化模型计算并结合工程实例分析，研究了凹形和凸形河岸对低水头枢纽船闸口门区水流条件的影响，指出了对低水头枢纽船闸口门区通航水流条件相对有利的河岸形态。 |
| 6. | The effect of secondary fuel nozzle location , the mass flow rate of secondary fuel and outlet area of ejectorjet were studied . the main results are : the geometry structure of ejectorjet can be compatible with other rbcc operation modes by secondary combustion organization ; the distribution of secondary fuel on ejectorjet cross section is significant for secondary combustion stability . spi combustion organization method is promising
实验研究了二次燃料喷注位置、二次燃料喷注量、后体出口面积对引射火箭性能的影响，得到的结论为：通过燃烧组织，引射火箭模态可以和其他工作模态(亚燃超燃)共用燃烧室而不需做大的几何变化；二次燃料在引射火箭通道截面上的分布对于引射火箭的稳定工作有重要意义。 |
