The line width of nanostructures is influenced by many factors such as tip curvature radius, detained time in the base surface, scanning speed, humidity, surface roughness etc.
尖端曲率半径、针尖在基底表面滞留时间、针尖扫描速度、空气湿度、表面粗糙度等均会影响纳米结构的线宽。
The present invention is to provide an electrical power tool which enables a user to grasp a rotation direction and a rotation speed of a tip tool.
本发明提供一种电动工具，使用者能够直观地掌握前端工具的旋转方向以及旋转速度。
The flow field of the wing tip vortex, which shed from a rectangular wing, is surveyed by a seven holes probe in a low speed wind tunnel.
应用七孔探针空间流场定量测试技术研究了翼尖涡的流动结构，给出了翼尖尾涡在下游两倍弦长距离内的速度和压力场分布随迎角变化的规律。
There are flow separations at the front blade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.
凸型间隙在叶片前缘引起了流动分离，凹型间隙存在一高速区，增加了二次流损失。
Many are now converging to the notion of "stall speed" (1-2 percent annual growth), with a highly concerning increase in the probability that the US could tip into recession.
许多分析师现在认为，美国经济已降至“停滞速度”(按年率计算在1 - 2%之间)，陷入经济衰退的风险大幅提高。
Here is a little tip to speed up drawing cleaning up. It is a snap line.
这里给大家一个快速整理工程图的小提示，它就是捕捉线。
The extra length creates a wider arc and increased tip speed, giving you greater casting distance.
较长的杆身给你更快的出手速度，这意味着更远的抛投距离。
The control strategies under different wind speed have been analyzed and obtained the optimal tip speed ratio using the simplex algorithm.
分析了不同风速下的控制策略，应用单纯形加速法确定最优叶尖速比。
The small power unit system of the ball-pen machine with multi-station should operate smoothly at high speed for the quality and efficiency of the tip of ball pen.
多工位制笔机床的小动力头系统要求高速、稳定地旋转，以保证笔头的加工质量和生产效率。
When the power required by propeller is so high that the shaft speed cann't arrive a rated value, the tip of propeller can be cut to decrease its load.
当螺旋桨要求的功率过高以至于轴转速达不到额定值时，可以采用切割螺旋桨叶梢的方法减小螺旋桨的负荷。
The main factors are reinforcing dike with silt, construction in high speed, soak deformation, poor drainage, stacking load at the tip of dike, impact of vehicle and so on.
大堤开裂的主要原因为背河侧放淤、淤背施工过快、湿化变形、排水不畅、堤顶堆载、车辆作用等。
To the grid connected wind turbine, the purpose of controlling it working at optimal tip speed ratio or about is to capture maximum wind energy.
对并网型风力机，控制其在额定风速下运行在最佳叶尖速比或其附近，主要是希望它能捕获到最大的风能。
On the other hand, the Cobden turbine ran very slowly, with a tip speed ratio of only about 0.6.
另一方面，科布登涡轮机转动非常缓慢，仅有大约0.6的叶尖速比。
The calculation method for radial clearance of turbine blade tip considering the effect of temperature and rotational speed is developed in this paper.
给出了考虑温度和转速影响的涡轮叶尖径向间隙的分析计算方法。
Numerical methods were utilized to investigate the time-dependent flow patterns and the frequency characteristics of unsteady tip clearance flow in an axial-flow low-speed isolated compressor rotor.
利用数值方法研究了某低速轴流孤立压气机转子中非定常叶顶间隙流的流动特征和频率特性。
The hollow-axis motor drives the offset nozzle and rotates the arc on the tip of wire at high speed, so as to ensure enough penetration into the sidewalls in narrow gap welding.
在该系统中，焊丝穿过电机的空心轴后从导电嘴的偏心孔送出，电机带动导电杆和偏心导电嘴旋转，从而使焊丝端部的电弧以一定直径高速旋转，以保证窄间隙焊接接头具有足够的侧壁熔深。
The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack Angle with tip speed ratio were analyzed.
采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。
The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack Angle with tip speed ratio were analyzed.
采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。
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