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When the Reynolds number is high, the backward flow will possibly appear at the bottom of the heat transfer surface of the blade leading, forming a strong heat transfer region.

在高雷诺数时，很有可能在叶片前缘换热面的底部出现流体倒流现象，使得叶片前缘底部出现强换热区。

Discover the 3Cr23Ni8Mn3MoN organizes of indoor temperature after passing by the heat temperature , the mechanics function of the heat temperature bottom and the anti-corrosion the function is better than the 4Crl4Nil4W2Mo and 5Cr21Mn9Ni4N.

研究发现3Cr23Ni8Mn3MoN钢经热处理处理后的显微组织、常温及高温下的力学性能和钢的抗燃气腐蚀性能均优于4Cr14Ni14W2Mo及5Cr21Mn9Ni4N钢，能较好地满足排气阀的性能要求。

The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.

该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述，基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合，导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性，将结构各物理参数和温度的初、边值条件均视为区间变量。

On the basis of the constitution and work principle of general drum brake and the theory of heat transfer and finite element method, the process of heat's creating and dissipating is analyzed detailed, and the mathematics model of temperature rising calculation is built.

本文在对目前常用的鼓式制动器结构和工作原理进行分析的基础上，从传热学的基本理论出发，研究了鼓式制动器的生热、散热过程，并应用有限单元法建立了制动鼓温升过程的理论计算模型。

Flow characteristics of options in the heating system, the balance valve usually installed in the trunk of the branch point, the user's heat at the entrance to a very heat of the sub-catchment devices and thermal stations in the flow control (including regulating valves and Electric valves).

流量特性的选择，在供热系统中，平衡阀一般装在干线的分支点，用户的热入口处，以极热源的分、集水器和热力站中的流量控制。

At the same time ,CEFR is the first pool-type LMFBR(Liquid Metal Fast Breeder Reactor)using dacay heat removel system to remove core decay heat.

另外，CEFR又是世界上首次在堆内采用非能动手段来排出堆芯余热的池式快堆。

Higher temperature gradient, larger heat transfer coefficient and proper heat dissipation from the bottom of crucible are necessary for Bridgman method and also important for optimization of growth technique.

5较大的温度梯度，较大的换热系数和适量的底部冷却是坩埚下降法晶体生长的必备条件，也是工艺优化的重要方向。

Another feature of HEDDTB is that its tubes' buddle is composed of tubes with different diameters, which lead to a smaller fluctuation of heat transfer coefficient in the condition of fluctuating flux than that of the heat exchanger with tubes that has the same diameter in the case of low Reynolds number.

异径管束换热器的换热管束由直径不同的管子组成，这种换热管束在低雷诺数下传热系数随流量的波动相对同径管束而言较小，因此异径管束有一定的抗传热系数波动的性能，这使得换热器在流量波动的工况下工作性能稳定。

The tubes' buddle of the traditional heat exchangers is composed of tubes with same diameter, which influences its efficiency at small Reynolds number because of the big fluctuation of the heat transfer coefficient led by the flux fluctuation.

传统的换热器都是采用同径管组成换热管束，因而，在流量波动的工况下，管程传热系数波动较大，对换热器的正常运行有影响。

The chain structures of S SBR2305,Buna SL25 1 and E SBR1500 were analysed by FTIR,and the influences of these three SBRs on the wear resistance,heat build up,rolling resistance and wet traction of NR/SBR blend were investigated by the compression heat build up test with constant load,DMA etc..

采用傅立叶变换红外光谱分析了溶聚丁苯橡胶S SBR2 30 5、BunaSL2 5 1及乳聚丁苯橡胶E SBR15 0 0 3种SBR的链化学结构，采用定负荷压缩生热、动态力学谱等方法研究了 3种SBR对NR/SBR并用胶耐磨性、生热、滚动阻力及抗湿滑性的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。