resistance coefficient

Isotropic pyrolytic graphite is gradually used in aero-engine turbine shaft seals dues to its light weight, high thermal conductivity, low coefficient of friction, low liner expansible coefficient, high heat resistance, excellent thermal shock resistance and good chemical stability.

各向同性热解石墨因为其重量轻、高导热率、低摩擦系数、低线膨胀系数、高耐热性、高耐热震性、良好的化学稳定性等优点逐渐被应用于航空发动机涡轮轴密封件当中。

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The operating temperature effect of heat pipe to total thermal resistance coefficient is not very distinct in the experimental conditions;

在试验范围内，阶梯翅片热管散热器的总热阻随热管工作温度的变化不明显；

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Research on the rule of conveying belt resistance coefficient varied with the velocity

带式输送机阻力随带速变化规律性的实验研究

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The partial resistance coefficient of skylight under the action of wind pressure is a variable.

在室外风作用下，天窗局部阻力系数是变数，而不是常数。

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Besides the positive temperature coefficient of resistance effect above the Curie temperature, it also exhibit a strong negative temperature coefficient of resistance below the Curie temperature.

该材料的主要特性是在居里温度Tc以下呈现较强的NTC效应，而在Tc以上则表现为PTC效应。

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Application of pressure sensor in testing water pipe resistance coefficient

压力传感器在给水管道阻力系数测试中的应用

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Determination of air resistance coefficient of automobile by power balanced method

功率平衡法测试汽车的空气阻力系数

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Some conclusion of reducing the resistance coefficient of bottom valve in respect to structure and parameters is presented.

在结构、参数方面得出了一些降低底阀阻力系数的结论。

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Although few tens of formulas of calculating frictional resistance coefficient have been summarized in the European and American countries, these formulas still exist in a larger error when applied to the Sichuan gas main.

虽然欧美等国已总结归纳了数十个摩阻系数计算公式，但这些公式应用在四川输气干线上仍有较大偏差。

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The test results show that the micro temperature sensing element on PI film exhibits good linearity and a temperature coefficient of resistance is close to 0. 0023/ ℃.

实验测试结果表明，PI村底上的铂薄膜热敏电阻具备良好的线性度，其电阻温度系数接近于0.0023/℃。

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Study on Resistance Coefficient of Reeds and Numerical Simulation of Flow in Wetland

芦苇阻力系数物模及湿地水流数模研究

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At present, the usual design method of pipe conveyor is the same as that of traditional trough belt conveyor in many ways. The different aspect is that the value of running resistance coefficient is larger than that of traditional belt conveyor.

目前，圆管带式输送机各种阻力的计算采用与通用带式输送机的设计计算相同的方法，不同的是主要阻力计算中的运行阻力系数的数值大于通用带式输送机的系数。

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Numerical simulation of resistance coefficient and experiment research of fire hydrant valve

船用消防阀流阻系数模拟测定方法的探讨

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The difference in 1+ K between models with shaft appendage and their corresponding naked hulls, when multiplied by full-scale CF, can be regarded as viscous resistance coefficient of shaft appendage.

带轴系附体船模与相应裸体船模的1+k之差，乘以足足C F后，可认为是轴系附体的粘性阻力系数。

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And centering on the key parameters of the finite element model of plane bar system for double-row piles, which are earth pressure distribution and elastic resistance coefficient, study is carried out.

并围绕双排桩平面杆系有限元模型的关键参数土压力分布及弹性抗力系数展开了研究，最后编制相应计算程序方便工程设计计算。

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Reynolds Number and Froude number of overland flow tend to diminish, water flow velocity tends to diminish, and resistance coefficient tends to increases as bed surface roughness increases in the condition of same slope gradient and flow discharge.

在坡度和流量相同情况下，随着坡面粗糙度增加，坡面流雷诺数和佛汝德数均呈减小趋势；

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Road safety performance is evaluated through the skid resistance of road, and the friction coefficient to evaluate the skid resistance is the most important indicators, so accurate and efficient detection and evaluation of road surface friction coefficient is essential.

路面的安全性能是通过路面的抗滑性能来表现的，而路面摩擦系数就是评价其抗滑性能最重要的指标，因此准确、高效的检测和评价路面的摩擦系数是十分必要的。

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The liquid surface tension coefficient was measured by si-resistance-strain sensor.

利用硅压阻式力敏传感器测量液体表面张力系数。

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The relationships for hydro-dynamic parameters ( Reynolds number, Froude number, resistance coefficient and flow velocity) of overland flow as a function of bed roughness, flow discharge and slope gradient were simulated by means of indoor fixed-bed resistance experiments.

在室内试验的基础上，采用定床阻力试验研究了坡面流水力学参数（雷诺数、佛汝德数、阻力系数和流速）随床面糙率、流量和坡度的变化规律。

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Result shows: The boiling heat transfer coefficient and condensing heat transfer coefficient increase, the total thermal resistance of radiator decreases with the increasing of heating power.

实验与计算结果表明：随着加热功率即热流密度的增大，沸腾换热系数和冷凝换热系数增大，散热器总热阻减小；

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C. Magnetron Sputtering in this paper. The TCR ( Temperature Coefficient of Resistance) of the films were less than 20 × 10-6/ ℃ using optimized deposition parameters, which were adjacent to the bulk material, realized the films of manganin pressure sensors.

根据薄膜理论和工艺实验，采用直流磁控溅射技术对薄膜沉积的工艺参数进行了优化，获得了电阻温度系数TCR≤20×10-6/℃的锰铜薄膜，与块材接近，实现了锰铜压力传感器的薄膜化。

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The non-dimensional velocity slip and the resistance coefficient fRe decrease with the growth of Kn.

无量纲滑移长度随Kn的增大而减小，阻力系数fRe随Kn减小。

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The freezing and thawing resisting durability index, permeability resistance index, and control value for permeability coefficient is given.

给出了混凝土的抗冻融耐久性指标、抗渗能力指标、Cl-渗透系数控制值等。

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Measurement of Local Resistance Coefficient of Indoor Water Hydrant and Orifice Component

室内消火栓与孔板组合局部阻力系数的测定

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The test results indicate that there is significant difference between transition temperature, hysteresis width and temperature coefficient of resistance of the films prepared by the two methods.

对两种方法制备薄膜的性能测试结果表明，其转换温度、相变滞豫、热电阻温度系数等都有较大差别。

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The resistance of surface flow has a reverse relation with Reynolds number. With the same Reynolds number, the resistance coefficient of surface flow is greater than that of laminar flow in open channel and increases with increased bed roughness.

坡面水流阻力与雷诺数的呈反比关系，相同雷诺数条件下，阻力系数比明渠层流阻力系数要大，且随床面粗糙度的增加而增大。

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To reduce the aerodynamic resistance coefficient is one of the effective way to save energy.

汽车节能的主要途径是降低气动阻力系数。

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And also the calculating method of elastic resistance coefficient is put forward.

提出弹性抗力系数计算方法这一思路.

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Model tests are conducted to investigate the resistance coefficient of square-edged single-port in filling operation.

介绍了船闸复合管直角边缘单支孔充水阻力系数试验的主要结果.

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According to data of prototype, the author has presented an empirical formula for estimating the coefficient of slide resistance K, the coefficient of consolidation cv and the angle of effective equivalent sliding resistance φ's respectively.

本文根据原型观测资料，对影响计算成果的三个主要力学指标：抗滑系数K，固结系数c v和有效当量剪阻角（？）

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