导热

From finite difference equation of unsteady-state heat conduction ,according to vonNeumann method about scheme stability,the explicit scheme stability condition of two dimension computational heat conduction was given.

从非稳态导热的离散方程出发，根据VonNeumann的格式稳定性判别方法，给出二维导热数值计算显式格式的稳定性条件。

Based on the exergy transfer equations, exergy transferring in the steady heat conduction process are calculated for the infinite plate at the first type boundary condition, and two results are compared when conductivity is stable and changed with temperature in this paper.

利用一维稳态传递方程，对平壁在第一类边界条件下的一维稳态导热过程的传递做了数值计算，并就导热系数为定值与变值的两种计算结果进行了比较。

In this paper, a high-pressure apparatus for measuring thermal conductivity was developed based on the present transient single hot-wire device of our group.

然而它们的导热系数的研究还相当欠缺，尤其是二甲氧基甲烷及其与柴油混合物的导热系数研究基本上没有人做过。

Aiming at the laigh thermal conductivity of magnetic refrigerant materials, this paper presents a new technical scheme named vacuum diffusion bonding, which can improve its thermal conductivity. The results indicate that under the condition of temperature ranging from 550℃ to 620℃ in holding time ranging from 30 min to 120 min and a pressure ranging from 12 Mpa to 20Mpa, both Gd and Cu can effectively bond together.

针对室温磁制冷材料Gd本身导热系数低特点，提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案，在温度为550~620℃，压强为12~20Mpa，保温时间为30~120min条件下，实现了扎和铜异种材料连接，并比较了在锐基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。

Aiming at the laigh thermal conductivity of magnetic refrigerant materials,this paper presents a new technical scheme named vacuum diffusion bonding,which can improve its thermal conductivity.

针对室温磁制冷材料Gd本身导热系数低特点，提出了采用真空扩散焊方法改善Gd导热性能的成型工艺方案，在温度为550~620℃，压强为12~20Mpa，保温时间为30~120min条件下，实现了钆和铜异种材料连接，并比较了在钆基体上溅射一层铜薄膜和不溅射薄膜两种条件下的工艺性能。

As the heat conuctive oil has a bettercapacity of heating, the system with such beatconuctive oilcan reach the comprchensive heat efficiency of 80-85%with a very good result of energy conservation.

导热油加热传输应用技术已逐步在各行业应用，由于导热油具有良好的热工性能，使得这类加热系统综合热效率可达80～85％，节能效果显著。

The experimental results show that the experimental data are less than the correlations values and the experimental data are almost constant. It is the predomination from natural convection to the conjunct effect of natural convection and conduction that results in the phenomenon.

这说明微细铜丝与水的换热由对流为主转变为对流与导热共同作用为主或是纯导热，从而导致了实验值小于常规尺寸下的理论计算值。

The main production and operation of ultra-thin double-sided tape, strong double-sided tape, high temperature double-sided adhesive tape, conductive double-sided tape, double-sided thermal tape, Teflon tape high temperature, high temperature Masking tape, high temperature polyimide tape, thermal insulation tape , copper foil, aluminum foil conductive adhesive tape, anti-static tape, security tape, waterproof tape, anti-theft tape, non-slip, shock-proof tape, shading tape, reflective tape, protective film, fiber tape, spray adhesive tape, kraft tape, tape Mara, electrical tape, acetate cloth tape, fingerprints, tape, wall tape, seal tape, sealing tape, stickers, all kinds of insulation, high temperature resistant, UL certification shaped materials, sizing, cutting processing.

主要生产经营超薄双面胶带、强力双面胶带、高温双面胶带、导电双面胶带、导热双面胶带、铁氟龙高温胶带、高温美纹胶带、聚酰亚胺高温胶带、导热绝缘胶带，铜箔、铝箔导电胶带、防静电胶带、防伪胶带、防水胶带、防盗胶带、防滑、防震胶带，遮光胶带、反光胶带，保护膜、纤维胶带、喷涂胶带、牛皮胶带、玛拉胶带、电工胶带、醋酸布胶带、指纹胶带、挡墙胶带、封缄胶带、封箱胶带、不干胶、各种绝缘、耐高温、UL认证异形材料、上胶、模切加工。

A numerical model was established by combining the seven-flux model of light propagation with the two-dimensional hyperbolic heat conduction model in cylindrical coordinates. It showed that there exists a great discrepancy between the results obtained by treating the laser irradiation as volumetric absorption (i.e. taking laser scattering and absorption into consideration) and those obtained by treating the laser irradiation as the second boundary condition.

将激光传输的七流模型与圆柱坐标系内的二维双曲型导热模型相结合建立了理论模型；将激光照射处理为容积吸收(即考虑激光在生物组织中的散射和吸收)所得到的计算结果，与将激光照射处理为第二类传热边界条件所得到的计算结果相比，两者差别很大；考察了激光照射下散射系数和吸收系数对生物组织内双曲型导热的影响。

The special material is adopted to enhance the radiation and heat conduction heat transfer, and the cellular strengthener whose surface area is bigger can enhance the convection heat transfer.

其采用高导热非金属材料为主体材质达到增强导热及辐射的目的；通过采用蜂窝体形式达到增大比表面积，从而增强对流换热的目的。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。