导热

The laser generated ultrasonic pulse method gives the Young′s modulus in the draw and transverse direction,while the pulsed photothermal radiometry method gives the thermal conductivity in the draw,transverse and thickness direction of the film.

应用激光脉冲热致超声法给出材料拉伸方向和横向杨氏模量，应用激光脉冲光热辐射法给出拉伸方向，横向和厚度方向的导热系数。

At p resent, there are some p roblems about the instrumentmeasuring heat2transfer coefficient on the market, such as long time measuring, the low measure p recision.

现有的平板式导热系数测定仪存在测量时间长、测量精度不高等问题。

It can realize full automatic controlling, data collection and disposal by embedded OS C /OS-Ⅱ. The heat conductivity can be disp layed and p rinted out. The measure p recision accords with the nation standard.

该方法是通过嵌入式C /OS -Ⅱ实时操作系统和友好的人机界面，实现仪器的全自动控制、数据采集和处理以及导热系数的计算、显示和打印输出。

The heat transfer in ladle wall is described with non-steady differential difference equations under one-dimension cylindrical coordinates and rectangular coordinates.

其中包壁的传热分别采用圆柱坐标和直角坐标下的一维非稳态导热微分方程及其初始条件和第三类边界条件来描述，用有限差分法求解。

Energy-saving designs in power plants, usually in the flue gas dust collection system, function in an analogous fashion via recuperative heat displacement systems.

电厂的节能设计，通常表现在废气的回收系统中，导热油可被广泛采用。

In the paper, 3D temperature and fluid flow fields were numerically simulated in three-split concentric tube recuperator with longitudinal fins on conjugated heat transfer.

数值模拟了变物性带均布纵肋的同心套管换热芯的导热和对流换热耦合问题三维温度场和流场以及Nu数，与常物性下的结果进行了对比。

Its refractoriness reaches over 1730℃, and it has good chemical stability and fairly low thermal conductivity, especially used as the filter material for steel casting and steel smelting.

耐火度高达1730℃以上，有较高的化学稳定性和较小的导热系数，是专门为作为钢铸造和钢冶炼的过滤材料。

This series of unshaped light-weight castable has speciatlties of high refractoriness, high pressure resistance,low thermal conductivity and convenient construction.

该系列不定形轻质浇注料，它具有耐火度高，耐压强度高，导热系数小、施工方便简单特特点。

Temperature distributions of the diode cathode of W and Mo are calculated by finite diffe- rence under different conditions.

采用数值方法计算了常用基底W、Mo阴极金属丝在不同条件下的温度分布，同时首次给出了这两种材料在宽温区内导热系数、辐射系数的计算公式。

Road engineering ; ballast embankment and revetment ; experimental research ; porous media ; natural convection ; thermal conductivity parameter

道路工程；块石路堤、护坡；试验研究；多孔介质；自然对流；导热系数

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐