| 1. | Practice of fast and safe packing of holes with large elevation angle 大仰角钻孔简易快速安全封孔的实践 |
| 2. | Adjustment of elevation angle of nozzle and its effect on hydraulics of whirl sprinkler 喷头仰角调节机构的研制及其对喷头性能的影响 |
| 3. | Performance improvement and simulation for mobile satellite communication systems at low elevation angle 小仰角下移动卫星通信性能的改善及仿真 |
| 4. | The effects of blade elevation angle of rotating - stream - tray scrubber affecting process on the wet calcium fgd process was studied experimentally 摘要实验研究了旋流塔板叶片仰角对钙基湿法烟气脱硫工艺的影响。 |
| 5. | It can increase the hole inclination angle range and drill elevation angle hole , while setting the top drive power head and hole top plate toward the opposite direction 4钻机动力头及孔口板调转方向,可钻凿仰孔。 |
| 6. | It can increase the hole inclination angle range and drill elevation angle hole , while setting the top drive head and hole top plate toward the opposite direction 动力头及孔口板调转方向,可直接钻凿仰孔,大大增加钻孔倾角范围。 |
| 7. | It can increase the hole inclination angle range and drill elevation angle holes , while setting the top drive power head and hole top plate toward the opposite direction 动力头及孔口板调转方向,可直接钻凿仰孔,大大增加钻孔倾角范围。 |
| 8. | The experiment result shows that , with the increase of blade elevation angle , so2 removal efficiency and the operation stability will be descended , the amount of encrustation will be increased 结果表明,一般情况下,叶片仰角增大,脱硫率有所下降,塔的运行稳定性有所下降,结垢有所增加。 |
| 9. | Because of the van der waals repulsion between two substituents existed in chiral 1 , 2 - disubstitited ferrocene , the elevation angle of partial helix in the molecular structure is changed 由于手性1 , 2 -二取代二茂铁的两个取代基之间的范德华斥力,致使其分子结构中包含的部分螺旋改变了仰角,而这种改变使有关螺旋的旋光度代数和不为零,因而导致旋光性。 |
| 10. | In this dissertation , radar detection in hrr has been taken as background . the followings are main contents of this dissertation : ( 1 ) based on analyzing the targets and the clutter ’ s specific characteristics of hrr radar , the echo models of targets and clutter have been studied respectively ; the changes of targets ’ echoes in different elevation angles , azimuth angles and attitude angles have been analyzed ; then , the echo models of lfm radar clutter have been established 本文针对高距离分辨雷达目标检测开展研究,主要完成了以下几方面的工作: ( 1 )分析了高距离分辨雷达目标和杂波回波特征,在此基础上分别研究了高距离分辨雷达目标和杂波的回波模型,分析了不同俯仰角、不同方位角以及不同姿态下目标回波模型的变化,并建立了线性调频脉冲压缩雷达的杂波模型。 |