内阻力

The results indicate that in the present research range of renumber and constructional paraments, the enhanced heat transfer capability of the pin-fin with gap is not obvious, and the pressure drop is taller than that of no gap.

计算结果表明：在本文的参数范围内，与完整扰流柱相比，分离结构扰流柱的换热效果略有增强，而阻力系数随之增大，分离位置居中的扰流柱通道的换热效果最好。

Throttle valve the Faxin for needle-shaped cone or belt gaps Cone, the thread for Fagan small teeth, when round-hand, the distance is Faxin mobile, liquid through the area is small, this can cause considerable local resistance, high pressure liquid through the puncture wounds on the consumption of energy and relief.

节流阀的阀芯为针形锥体或带缺口的锥体，阀杆的内螺纹为细牙，当旋转手轮时，阀芯移动的距离不大，液体通过的面积也就很小，此时可以造成很大的局部阻力，高压液体通过小孔时消耗能量而降压。

Taking into account the CPU to a friend's piece of the loom in my normal running, which should be less bad, and then insert my CPU in CPU socket, and gently press on the CPU socket wrench, when feeling out Play CPU when a certain resistance, would be forced from the CPU socket in the pull-out (this action have a certain risk, attention weight can not be too tight socket wrench, pull up CPU to the vertical force, or bending the CPU pins is very troublesome a).

考虑到朋友的那块CPU能在我的机子上正常运行，这种接触不良应该是比较轻微的，于是将我的CPU插入CPU插座内，同时轻轻下压CPU插座上的扳手，当感觉拔插CPU有了一定阻力时，将CPU强行从插座中拔出(这一动作有一定危险性，注意插座扳手不可压得太紧，拔CPU时要垂直向上用力，否则CPU针脚弯了就很麻烦了)。

Hence, for improving the uniformityof air supply and the performance of the duct, it is of great importance to studythe rules of resistance distribution in static pressure air supply duct.

研究静压式空调送风道内的阻力分布规律对提高送风道的送风均匀性，改善送风道的性能有十分重要的意义和价值。

The findings indicate that, on the whole, the pattern of load transfer curves of adfreezing stress on a steel pipe pile stem and that of resistance stress on the pile tip are parabola and straight line, respectively; Due to the rheology effect, to different extent, adfreezing stress on the pile stem and resistance stress on the pile tip vary with time and relative displacement of pile-soil, respectively, and the settlement of pile tip varies with time tempestuously within 5 hours of loading, and then approximates to stability.

结果表明：模型钢管桩桩侧冻结力荷载传递函数曲线及桩端阻力荷载传递函数曲线其线状大致分别程抛物线及直线；由于流变效应的影响，桩侧冻结应力及端阻应力随时间有不同程度的变化；桩土相对位移和桩端下沉量开始5h内随时间变化较大，但加载5h后逐渐向稳定方向发展。

A number of factors areconsidered including the pressure wave and the viscous resistance in the highpressure oil pipe and the changes of flow areas in the high pressure oil chan-nels.

讨论中考虑了高、低压油管内的压力波动和粘性阻力，以及高压油通道截面变化等因素的影响，同时，对系统中出现的"空腔"现象也作了适当的处理。

By using static equilibrium law, nonlinear buckle behavior of string in deep well has been researched. In comprehensive consideration of gravity, contact force of borehole wall, axial friction and tangential friction of borehole wall on the string, pressure and viscous resistance of fluid outside of and inside of a string, differential equation of buckle has been established, which amended computational model of axial load on a string.

应用静力平衡法对深井注入管柱的非线性屈曲行为进行了研究，建立了综合考虑重力、井壁支反力、井壁对管柱的轴向摩擦力和切向摩擦力及管柱内、外流体压力和粘滞阻力联合作用下的屈曲微分方程，对注入管柱的屈曲变形及弯曲附加应力等后屈曲行为进行分析，修正了管柱轴向载荷计算模型。

The method to determine the limited temperature for dry/wet running conditions was presented. Multi-object frame optimization model were developed. Combined with the thermal and hydraulic correlations for dry/wet conditions of plate wet air cooler, the optimization model can be used to optimize the dry/wet limited temperature and frame parameters.

提出了湿式空冷器干湿工况运行界限温度的确定方法，建立了板式湿式空冷器多目标结构优化模型，结合实验得到的干湿工况下板束内外侧阻力、传热传质关联式以及喷淋水膜对流换热关联式，该优化模型可用于干湿工况运行界限温度与结构参数的优化。

N-phenyl maleimide,1-Phenyl-1H-pyrrole-2,5-dione,N-phenylmaleic imide、Maleimidobenzene is abbreviated NPMI or N-PMI,pale-yellow aciform crystals.The melting point is 88～92℃.NPMI is a kind of heat resisting organic monomer,and can increase material thermostability by raising intemal rotation resistance of macromolecular,using its special molecular struture.

N-苯基马来酰亚胺俗称&单马&，英文名称为；N-phenyl maleimide、1-Phenyl-1H-pyrrole-2，5-dione、N-phenylmaleic imide、Maleimidobenzene，英文缩写NPMI，淡黄色片状晶体，熔点为88～92℃，是近年发展起来的一种耐热有机单体，由于它具有五元环状平面结构，嵌入高分子链中可增加链的内旋阻力，从而提高材料的耐热性。

M/s. The following dimensionless relationships were obtained: Sh=2+0.073Re〓Sc〓〓〓 The desulphurization process by powder injection and blowing in RH refining of molten steel and its mechanism have been considered and analyzed. Based on the tworesistance mass transfer theory and the mass balance of sulphur in the system, a kinetic model for the process has been developed. The related parameters of the model have been reasonably determined. Modeling and calculations for the process by injecting and blowing the lime based powder flux under the assumed operating modes in a RH degasser of 300t capacity have been carried out using the model.

考虑颗粒与液流的相对速度，RH—PTB条件下熔池传质特性可由下式表征： Sh=2+0.073Re〓Sc〓考虑紊流中脉动速度引起的能量耗散，RH—PTB条件下熔池传质过程服从如下关系：〓将粉剂颗粒与钢液间的传质当作刚性的气泡与钢液间的传质处理，对RH—PTB过程有：〓考察和分析了RH喷粉脱硫过程及机理，基于双重阻力传质理论和体系内硫的质量衡算，建立了RH喷粉脱硫过程的动力学模型，确定了模型各有关参数，包括各传质系数和脱硫处理过程中钢液内参与脱硫反应的粉剂量等。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷