导热的

Specimens of the SBCB with different graphitizing degree were obtained in laboratory. Effects of graphitizing degree on the properties of the SBCB, including structure, thermal conductivity, thermal expansivity, resistance to thermal shock, resistance to erosion of molten iron and slag, were studied respectively.

在实验室制备了不同石墨化度的自焙碳块，并研究了石墨化度对自焙碳块的结构性质、高温冶金性能(包括恒压比热容、热扩散率、导热性、热膨胀性、抗热震性)、抗铁水和熔渣侵蚀性能及铁水渗透的影响。

Analysis showed that the type of binders and temperatures of graphitization played an important role in the thermal conductivity of bulk graphite.

结果表明，粘结剂的种类和石墨化温度与石墨材料的导热性能有着密切的联系。

Extruded polystyrene insulation board is a polystyrene resin as raw material, through the special process of continuous extrusion molding of rigid foam board, its in-house as an independent closed bubble structure, is a high-compression, non-absorbent, moisture-proof, airtight, light-weight, corrosion resistance, long life, excellent performance and low thermal conductivity of the environment-friendly insulation materials.

挤塑聚苯乙烯保温板是以聚苯乙烯树脂为原料、经由特殊工艺连续挤出发泡成型的硬质板材，其内部为独立的密闭式气泡结构，是一种具有高抗压、不吸水、防潮、不透气、轻质、耐腐蚀、使用寿命长、导热系数低等优异性能的环保型保温材料。

A new experimental apparatus has been developed for measuring the thermal conductivity of liquid by the two transient hot-wire method, which is based on the theory of one-dimensional unsteady heat conduction in infinite medium.

摘 要：采用双热线瞬态热线法研制出一套瞬态双热线液体导热系数测试装置，在阐述该测试仪器的基本原理和测试方法的基础上，就该仪器对乙醇、乙二醇、甘油和去离子水进行测试的实验情况及结果进行了分析与比较。

From the results the author thought that due to the lack of high quality insulator with high heat conductivity.

经分析认为，由于缺乏高性能的导热绝缘材料，目前所制作的空心阴极的冷却效果不是很好。

The variation of evaporating rate,and also the resulted mean velocity of liquid film in the thin film interline region were revealed,which showed that there existed a local maximum value of evaporating rate in this region by the coupled influences of decreased film thickness and adhesion force caused by the disjoining pressure.

描述了过渡薄液膜区表面蒸发率和液膜平均速度的变化规律，发现受液膜导热热阻和分离压力产生吸附作用的综合影响，该区域的蒸发率存在局部最大值。

It obtained analytic expression or arithmetic solution of the mean value, the mean square value, the related function and the spectral density function of heat conduction system of 0-D, 1-D, 2-D and 3-D, by applying stochastically theory of linear system and the results of the first part.

该部分利用线性系统的随机理论和第一部分的成果，获得了0维、1维、2维和3维导热系统均值、均方值、相关函数、谱密度函数的解析表达式或数值解。

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。

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。

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