查询词典 temperature coefficient

Finally, the temperature field variations of two kinds of frame structures with the height and the time are calculated, in which the time step, the frill calculation time, the fire growth coefficient t and the fire decay coefficient t are selected respectively as 1s, 50min, l50s and 600s, and the fire experiences all the fire period including the growth, the flashover, the full development and the decay stages.

随后，取时间步长为1s，计算时间为50min，分别计算了两种围护结构内部温度场随时间和位置的变化规律。计算时，火灾增长时间t为150s，衰减时间t为600s，所选取的火灾为经历了生长阶段、轰然阶段、充分发展阶段和衰减阶段的全过程燃烧。

The experiment shows that:(1) In certain light intensity and electric field ranges (145～305V/cm) the material Si∶ with a resistivity of 1E4Ω·cm exhibits a current oscillation phenomenon at liquid nitrogen temperature;(2) At a certain electric field,the waveform of the current oscillation is stable and does not change with time;(3) The dependence relation between the oscillation frequency and light-intensity can be expressed by f=f0(L/L0)α where L0 is the minimum light-intensity needed to stimulate oscillation,f0 is the frequency under L0,L is the intensity of the light,and α is a coefficient that increase with electric field;(4) The modulating coefficient K K=(Imax-Imin/Imax decreases as the light increases;(5) The maximum value of the oscillation Imax decreases with the increase of the light-intensity while the minimum value of oscillation Imin increases slowly.

结果表明：在一定光照和电场范围内（276～305V/cm ，电阻率为10.4Ω·cm的材料在液氮温度下显示出电流振荡特性；在一定的电场下，电流振荡波形是固定的，不随时间变化；振荡频率随光照强度的增大而线性增大；调制系数随着光强的增强而减弱；振荡的最大值随着光照强度增大而减小，最小值随着光强增大而缓慢增大。

In order to verify the accuracy of heat transfer coefficient,2D nonlinear finite element axisymmetric model is established by the means of finite element software MSC.Marc, which is utilized to simulate the transient temperature field coupled with phase transformation process and nonlinear synthetic surface heat transfer coefficient of several typical steels in the different quenchants.

Marc作为模拟平台，建立了淬火过程二维非线性有限元模型，模拟淬火过程中的瞬态温度场，在模拟过程中以多种常用钢在不同淬火介质中的非线性表面综合换热系数为边界条件，同时耦合了相变过程的影响。

Because temperature effects on people rather large, so many people think to measure temperature, in order to precise measurements of temperature is now some thermometer measuring air temperature can not even measure up to air humidity.

因为温度对人的影响相当的大，所以人们想了许多办法来测量温度，为了就是能够精确的测量出温度，现在有的温度计不光能测出空气温度，甚至能测量出空气的湿度。

Fill a clean, dry and accurately weighed pycnometer with the substance being examined (keep the temperature below 20°C or that specified under individual monograph), fix the thermometer (no air bubble is left in the pycnometer). Place the pycnometer in a water bath maintained at 20°C or the specified temperature, allow to stand in the water bath for several minutes, so as to raise the temperature of the content to 20°C or to the temperature specified in the monograph.

取洁净、干燥并精密称定重量的比重瓶，装满供试品（温度应低于20°C或各品种项下规定的温度）后，装上温度计，置20°C（或各品种项下规定的温度）的水浴中放置若干分钟，使内容物的温度达到20°C（或各品种项下规定的温度），用滤纸除去溢出侧管的液体立即盖上罩。

A C++ program is developed for composing the stiffness matrix of the temperature field, saving it in changing bandwidth method and calculating the linear algebraic function group through using the Gauss eliminating method. A module for drawing the color fringe of tire temperature field is created, which makes the result more visual. Taking the 9.00-20 cross-ply tire on CA1092 as an example, the finite element numerical simulation analysis of automobile tire 2-D steady temperature field is completed. Through comparing the result with the analysis data by ANSYS, this software is proved to be capable of the modeling, calculating and post-processing of FEA of automobile tire 2-D steady temperature field.

采用C++语言完成了温度刚度矩阵的总体合成及其一维变带宽存贮，以及线性代数方程组高斯消去法求解等工作，采用C++语言实现了汽车轮胎二维稳态温度场云纹图的绘制，使得计算结果更加直观，也更能形象地显示汽车轮胎二维稳态温度场的分布状况，以CA1092（原CA142）五吨载货汽车用9.00-20尼龙斜交胎为例，进行了汽车轮胎二维稳态温度场有限元数值仿真分析，通过与ANSYS分析结果进行比较，说明所开发的有限元建模、求解以及后处理软件能够用于汽车轮胎二维稳态温度场有限元分析。

As the temperature increases, content of quartz, anhydrite, and hematite in coal ash decrease in reducing conditions and some new mineral phases are formed during heating process. The content of mullite formed in the heating process is the mayor reason of high melting temperature of the ash. Anorthite at high temperature lowers the ash fusion temperature.

随着温度的升高，煤灰中石英、硬石膏、赤铁矿等结晶矿物含量逐渐减少，生成新的矿物质，莫来石的生成是导致淮南煤灰熔点高的主要原因，钙长石起到降低灰熔点的作用。

Health care body temperature cartoon lead color manifestation the body temperature number of degrees(such as smiling face manifestation green mean body temperature normal, such as cry face a manifestation green meant body temperature to go up) avoided tradition thermometer easy result in glass broken up with water argyria of endanger, have safety the practical advantage of the environmental protection, science.

本公司是专业生产保健体温卡的厂家，月生产能力可达100万张。此卡通过颜色显示体温度数（如笑脸显示绿色表示体温正常，如哭脸显示绿色表示体温升高了）避免了传统温度计易造成玻璃破碎和水银中毒的危害，具有安全环保、科学实用的优点。

Equipped with AT89C51,the temperature sensor and the modulus convertor and coordinated by soft and hard wares,the system can fufil the instantaneous gathering of multichannel temperature signal,then,by meaus of asynchronous string communication,send the digital signal to PC which can separately display the instantaneous value and the average value of each channel temperature in bar diagram and weblike form,and print the temperature curve graph through data scale transferring,analyzing,and collating.

该系统运用单片机AT89C51、温度传感器保温器及模数转换器，通过软硬件的配合，实现了多路温度信号的实时采集，用异步串行通信发送数字信号到PC机，PC机经过数据的标度转换、分析、整理，分别用棒状图和网状表格显示各路温度瞬时值和平均值，打印出静态降温调温曲线图。

Analysis compared with different expression of temperature distribution on deposition and non-deposition in the tested inside-wall of pipeline,a nondimensional temperature function was founded to get a conclusion according to energy equation.Referring to Bessel function,a calculation equation of temperature distribution in the surface and heat-flow density of wax deposit layer in the laminar flow is deduced,as well as temperature distribution inside.This method provides a theoretic basis on the theory law o...

通过对试验环道上测试段相关数据的测试，对比分析测试段管壁有沉积物和无沉积物时测试段管壁内温度分布的不同表达式，根据能量方程建立了无量纲温度分布方程，利用贝赛尔函数推导出原油在层流状态下沉积层表面温度分布、沉积层热流密度、油流温度分布等相关温度场的计算公式，为研究蜡沉积规律，定性分析管路结蜡层厚度和制定合理的清管方案奠定了理论基础。

Among which is the mindset, perceptions and moralities of those who accept mini- military tasks for economic gains.

其中最重要的是心态，观念和道德的人谁接受小型军事任务的经济收益。

In time course imaging, activity peaked 2 days after coronary ligation.

在时程成像检测，活性峰值在冠脉结扎后2天。