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- When the deviation angle tends to be bigge... 井斜角越大或环空间隙越小,管柱越不易失稳。
- Variable deviation angle for best harmonics rejection. 可通过改变偏向角抑制谐波。
- The influence of various factors on the deviation angle and loss was represented by components. 各种不同因素对落后角和损失的影响以分量的形式表示。
- The annular swarf\|carrying velocity reduced with the increase of hole deviation angle and swarf size. 铣屑的环空返出率随着井眼倾角、铣屑尺寸的增大呈下降趋势。
- A microstrip reflectarray cylindrical Cassegrain antenna system is designed, which has an fixed beam deviation angle in the azimuth. 设计了一个微带反射阵柱形卡塞格伦天线系统,使该天线系统在方位面方向产生了固定的波束偏移。
- The effects of deviation angle, annular tolerance, tubing length and friction factors on the stability of tubing in horizontal well are discussed. 讨论了井斜角、环空间隙、管柱长度和摩擦系数对连续油管在水平井中稳定性的影响。
- Calculation of practical data from oil fields demonstrates that formation sloughing pressure is dependent on deviation angle and well azimuth. 对油田的实际资料进行计算表明,井壁坍塌压力与井斜度和井斜方位角有关。
- The factors,such as WOB,deviation angle,hole curvature and clearance between stabilizer and wellbore,effecting bit side force have been discussed. 在此基础上,通过算例分析,阐明了钻压、井斜角、井眼曲率及稳定器间隙对钻头侧向力的影响规律。
- The extended reach well has such chara cteristics as large horizontal displacement,great deviation angle and long open hole interval. 大位移井具有长水平位移、大井斜角以及长裸眼段的特点。大位移井钻井过程中摩阻扭矩的预测和控制是成功地钻成大位移井的关键因素之一。
- Some factors can affect swarf\|carrying capacities, such as annular velocity, rheological properties and density of drilling fluid, deviation angle of hole, and size of swarf. 对钻井液的环空返速、流变性能、密度及井眼倾角、铣屑尺寸等参数对侧钻水平井套管段铣铣屑环空运移的影响进行了实验研究。
- This paper gave the calculation formula of minimum deviation angle of a prism and the curved relation line of minimum deviation angle varying with wave length of entrance light. 本文给出了棱镜最小偏向角的计算公式 ,最小偏向角随入射光波长变化的关系曲线。
- After improvement, the flow deviations of both lamina and casing were controlled under 5%, the accuracy of casing w... 改进后叶片流量和加料流量都控制在5%25的误差范围内,加料精度也得到了提高,达到了稳定润叶加料流量控制的目的。
- The calculated contrasts of practical examples show that the existing standard calculating methods magnify calculating errors as the actual flow deviations rise. 实例对比计算表明,实际流量偏差越大,现有标准方法产生的计算误差越大。
- The existing standard calculating methods of single phase fluid flow deviations for the header parallel tubes of power boiler are analyzed, which bring about calculating errors. 摘要分析了电站锅炉并联管组单相流体流量偏差计算的现有标准方法存在计算误差的原因。
- Experiments on a series of X-ray images,which are taken by robot when it is working,are conducted. The experimental results show that,the algorithms detect the deviation angle precisely,and the detection velocity reaches 25 fps. 文中对机器人作业时拍摄的一组X射线图像进行了试验,结果表明:文中算法从X射线图像中准确检测出了管内外间的转角差,且检测速度超过25帧/秒的实时性要求。
- The paper provides an effective theortical method for accurate calculation of the single phase fluid flow deviations in type-Z header connecting system. 本文的工作为准确计算Z型集箱连接系统单相流体流量偏差,提供了一种有效的方法。
- Two angle-related shafts are joined with one set of universal joints, the two shafts will developed a phase difference, however, if taking advantage of two universal joins and the deviation angle will become the same, enabling synchronism. 可以连接两个有角度关系的转轴,但在使用单组万向接头的情况下两轴会有相位差,若使用两组万向接头加之以两组的轴偏差角都相同即可使两转轴的相位同步。
- The incidence angle and deviation angle can be given freely in the process of aerofoil design, the satisfied aerofoil of fan blade is obtained through velocity distribution optimization. 并且在设计中可以自由给定攻角、落后角,通过速度分布的优化得到符合工程应用要求的风机叶片的翼型。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- THE DEVIATION ANGLE OF GRATION FRINGE 光栅条纹最小偏向角的实验研究