Based on negative temperature coefficient resistance (NTCR), a fine multiple channel temperature measurement system was designed.
以负温度系数热敏电阻为核心器件设计了多通道高精度温度测量系统。
This test makes resistance measurements at two different voltage levels, then calculates the voltage coefficient.
该测试在两个不同的电压之下进行电阻测量,然后计算出电压系数。
Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
综合传热系数和系统内气体流动阻力损失是评价换热器性能的重要指标。
Measuring the voltage coefficient of a high resistance requires sourcing a voltage and measuring a low current.
测量高电阻的电压系数需要输出电压并测量小电流。
With graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.
随着石墨颗粒含量从5%增加到20%,镁合金基复合材料的耐磨性得到明显的改善,磨损质量损失与摩擦系数都降低到较低水平。
The voltage coefficient is displayed as a percent change in resistance per volt.
电压系数显示为每伏的电阻值百分比变化量。
The model of a factor that fly ash effects on carbonation resistance was found, effect of fly ash on the air infiltration coefficient is analyzed.
建立了单一粉煤灰影响因子模型,分析了粉煤灰掺量对混凝土空气渗透系数的影响。
The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.
利用线模电流的小波变换系数进行测距,不仅不受故障电阻的影响,也不受故障起始角的影响。
This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.
这表面有极高的硬度(60局。),耐磨性和耐腐蚀性,低摩擦系数。
Resistance temperature coefficient (RTC) of step function PTC thermistor depends on it's measurement methods, therefor the obtained results are not unique and comparable.
目前突变型PTC元件电阻温度系数的测量方法各种各样,因此测试结果缺乏唯一性和可比性。
The result of this research provides a reliable theoretical basis for using computer to calculate the turbulent flow resistance coefficient.
此项研究结果为用计算机进行紊流阻力系数的计算提供了可靠的理论依据。
The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.
介绍了F4112离子交换膜的材料结构、性能参数及膜电阻、膜中扩散系数的测定方法。
However, in some application conditions, low hardness, big friction coefficient and poor wear resistance confine its extensive application in engineering.
然而,在某些应用条件下,钛合金的硬度低,摩擦系数大,耐磨性差。
This paper present a method determining resistance assignment coefficient, the analysis results on the test show that present method is reasonable.
本文提出了一个确定阻力分配系数的方法,试验分析结果说明本方法是合理的。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
The loss of efficient head of circulation pump in the primary loop of PWR will increase with the increase of resistance coefficient of JetPump under forced circulation.
强迫循环条件下,压水堆一回路主循环泵有效压头的损失随喷射泵阻力系数的增加而增加;
The calculation formulas of the resistance coefficient in open channel flows were summarized according to different flow patterns and flow regions.
按不同流态及流区对明渠水流阻力系数的计算公式进行了归纳和总结。
The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation.
预应变可以延长疲劳裂纹形成寿命,提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值;
The local resistance coefficient at intersecting pipes corner is determined usually by experiments.
管道相交处的局部阻力系数通常由实验确定。
A new rolling resistance (coefficient) test system is developed based on wheel torque sensor, which offers a new method for deeply researching the rolling resistance of the wheels on the rollers.
开发了基于车轮力传感器的底盘测功机上轮胎滚动阻力(系数)的测试系统,为深入研究轮胎在滚筒上的滚动阻力提供了新方法。
However, to be useful, they must be characterized for capacitance value, voltage rating, temperature coefficient, and leakage resistance.
然而,要使用电容器就必须明白其特性:包括电容值、额定电压值、温度系数以及泄漏电阻等。
The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively.
在我国北方高寒冰冻地区接地系统的接地电阻季节系数可达3.0,接触电压和跨步电压季节系数可能达到10和5.4。
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。
The applied temperature scope, plug intensity, plug rate and coefficient of remains resistance are also given.
给出了落叶松高温堵剂适用温度范围、封堵强度、封堵率和残余阻力系数的试验结果。
Shunting resistance box is a commonly used method in the determination of the sensitivity coefficient of the resistance strain gauge with the equal-strength beam aparatuses.
采用等强度梁、挠度计、并联电阻箱、电位差计等测定电阻应变计的灵敏系数是一种常用的方法。
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。
The temperature coefficient of resistance (TCR) of these samples have been studied.
多晶材料,研究了它们的电阻温度系数(TCR)。
The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data.
标准风阻值和标准摩擦阻力系数值作为矿井通风技术管理的基本资料对矿井通风管理具有重要意义。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数,则形状阻力系数与雷诺数无关。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数,则形状阻力系数与雷诺数无关。
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