阻力

重点解释了船舶推进力、船舶阻力、船舶操纵和船舶初稳性建模方法，并适当表述了PID控制算法的原理。

The thesis primary interpreted the shipping propulsive force , shipping obstruction force , shipping manoeuvre and steady modeling especially , and interpreted the principle of PID control algorithm properly .

结论：主动脉硬化加重与气道阻力严重性相关，并且可能是COPD患者发生心血管疾患的危险因素之一。

Conclusions : Increased arterial stiffness was related to the severity of airflow obstruction and may be a factor in the excess risk for cardiovascular disease in COPD .

这些变化几乎没有遇到阻力，简直不可思议。

The changes were made with surprisingly little difficulty .

政府的税务改革遇到了相当大的阻力。

The government is running up against considerable opposition to its tax reforms .

我以前从未遇到过这么大的阻力。

I had never encountered such resistance before .

额外的空气分子阻力使得卫星坠毁到了地球上。

The drag of those extra air molecules brought the satellite crashing to Earth .

他们倾向采用阻力最小的方案，不愿卷入纷争。

They would rather take the line of least resistance than become involved in arguments .

办这个案子的过程中，我们遇到了很多阻力。

We came up against a great deal of resistance in dealing with the case .

这种自行车的设计成功地减少了风的阻力和摩擦力。

The design of the bicycle has managed to reduce the effects of wind resistance and drag .

飞机须克服空气的阻力。

An aircraft has to overcome the resistance of the air .

改革在该地区遇到了一些阻力。

The reform programme met with some resistance in that region .

惯性是物体对运动状态改变的阻力。

Inertia is the resistance of objects to efforts to change their state of motion .

她说：“当我开得很快时，就会产生大量阻力。”

" When I drove fast , there was a lot of pushback , " she said .

他提出，供试验用的品种对二氧化碳有不同的扩散阻力

He suggested that the varieties tested had different diffusive resistance to CO

金山坝作为分洪闸下游阻水障碍时，其破除不会有人为的阻力。

The Jinshan Dam took when flood-diversion sluice downriver anti-water barrier , it eradicates cannot have artificial resistance .

每天锻炼身体在“天和”核心舱的锻炼区，三位航天员可以使用跑步机、健身车以及阻力带等健身设备来消耗热量，并进行力量训练。

In Tianhe 's exercise area , the three astronauts can use a treadmill , spin bike and resistance bands to burn calories and practice strength training .

NixZn（1-x）Fe2O4铁氧体畴壁运动阻力函数的研究

The Resistance Function Research of Domain Wall Motion in Ni_xZn_1-x Fe_2O_4 Ferrite

Na，K杂质及微量Ce对8090合金裂纹扩展阻力的影响

Effect of Na and K impurities and CE modification on crack propagation resistance for alloy 8090

体系的共格界面能作为马氏体相变临界驱动力ΔGγ→εMs中的阻力项所占的比例小于10%。

The interfacial energy as a resistance of martensitic transformation is less than 10 % of the critical driving force .

各分支血管的血流阻力指数（RI）值被记录。

Resistive index ( RI ) of intrarenal arteries was measured .

在950～1000℃时，氧化反应为混合控制；在较低氧化温度下，加入MgO可以降低化学反应阻力，提高球团的氧化率；

The addition of MgO can slow down the oxidation rate at lower temperatures .

阻力指数（RI）降低（0.38±0.07）；

The resistance index was decreased ( 0.38 ( ?)

研制了由内向外流动的螺旋通道微流控PCR玻璃芯片，减少了PCR反应液在微通道中流动时的分散和阻力；

A spiral-channel flow-through PCR microchip reactor with 35 cycles , which reduced the dispersion and flow resistance of reaction solution , has been developed .

结果实验组的左肺氧合功能，肺顺应性明显好于对照组，肺循环阻力、MDA值及肺含水量均低于对照组（P<0.01）；

Results The functions of lung in group ⅱ was significantly better than in the group I ( P < 0.01 ) .

基于Rankine源法的兴波阻力数值计算研究

Numerical calculation research on wave-making resistance based on Rankine source method

UG75/5.3M3型流化床锅炉布风板阻力的试验研究

An Experimental Study of the Air Distribution Plate Resistance of a Model UG 75 / 5.3 M 3 Fluidized Bed Boiler

冰盖流阻力与综合Manning糙率

Composite Manning roughness coefficient of ice - covered flow

松花江漫滩地区静压PHC管桩沉桩阻力理论估算与数值分析

Theoretical Estimation and Numerical Analysis on the Penetrating Resistance of Jacked-in PHC Pipe Pile in the Songhua River Floodplain Areas

通过对流体力学中沿程阻力系数和泵与风机工作点等问题的求解，介绍了EXCEL单变量求解器和曲线拟合的方法。

Through calculating friction factor and operating point of pump or fun of two examples on fluid mechanics , methods using solver and curve-fitting in EXCEL were introduced .

采用彩色多普勒血流成像，以肾动脉阻力指数（RI）为参数，对犬肾移植动物模型的急性排斥反应进行检测。

In this study , CDFI has monitored for acute renal transplant rejection according to the increased renal artery resistance index ( RI ) .