The existence of the net in Al2O3/Nb interface was able to increase the thermal shock resistance of the joint considerably.
首次研究了在Ａｌ２Ｏ３／Ｎｂ的钎焊界面之间加入一层金属Ｍｏ网，可大幅度提高接头的热震抗力，经用Ｎｉ５１Ｔｉ４９钎料焊接后，７００℃淬水后的剩余强度达到了不加网的焊后强度，强度提高了１８０％以上，用Ｃｕ５２Ｎｉ１８Ｔｉ３０钎料焊接并加Ｍｏ网后，７００℃淬水后的剩余强度也提高了１３０％以上。
By the fullscale test of unsteady-flow fire in tunnel, applying aerodynamics of one-dimensional compressible unsteady-flow the relation between thermal power and thermal resistance in burning zone was analyzed, and its calculational methods were discussed.
以全尺寸非稳定流巷道火灾试验数据为依据,应用一维可压缩非稳定流理论分析了燃烧区热动力与热阻力的关系及其计算方法;研究表明:在近水平或水平巷道的火灾中,除了膨胀热阻力和黏性热阻力以外,还存在着垂直于流动方向的横向浮升阻力;在试验条件下,膨胀热阻力占30%～35%,黏性热阻力占20%～30%,横向浮升阻力占35%～55%。
According to the fundamental theory of thermodynamics, thermal fludics and fluid mechanics, combined with the air flow moving characteristics, the coupled equation of fundamental theory which is suited to air flow movement in high temperature and humidity mine is derived, thermal resistance concept is led in and the formula for calculating thermal resistance is derived.
根据热力学、热流体学和流体力学等基本理论，结合高温、高湿矿井的风流运动特征，推导出适合于高温、高湿矿井的风流运动基本理论方程组，并引入热阻力概念及推导出热阻力的计算公式。
The concept of thermal resistance was introduced in pressure reduction calculation of foam pipe flow.
把热阻力的概念引入到泡沫管流的压降计算中,并根据质量守恒、动量守恒和能量守恒方程推导得出了泡沫流体管流的热阻力系数的计算公式。
Based on the theory of thermofluid dynamics and the characteristics of mine fire,the thermal drag in the combustion zone of mine fire is studied, and formulae of thermal drag coefficients for inclined (or vertical)and horizontal roadways are given.
根据热流体学理论，结合矿井火灾特点研究了矿井火灾燃烧区产生的热阻力，得出了倾斜（或垂直）巷道及水平巷道内火灾燃烧区热阻力系数的表达式，还给出了两种井下固体可燃物在水平巷道内燃烧时热阻力系数随无因次加热准则变化的实验结果。
A formula of thermal drag was firstly established based on the revised concept,and then the relation between roundabout flow resistance,heat release rate(HRR) and airflow velocity was deduced.
首先在修正的热阻力概念基础上建立热阻力的表达式,然后推导绕流阻力与火灾规模和风速的关系式,最终建立比较严谨的火区阻力实用公式,并得到数值模拟的验证。
Numerical simulation of pressure field directly proves the existence of thermal drag and indicates that the value of traditional thermal drag is much larger than the real loss of energy.
以隧道火灾为背景,对一维加热管流中的热阻力进行了研究。
THERMAL RESISTANCE OF HEAT TRANSMISSION AND MORPHOLOGICAL DIFFERENTIATION OF THE PELLS FROM SOME SPECIES OF RATS.
几种鼠的毛皮传热热阻力和形态分化
EXPERIMENTAL INVESTIGATION OF FLOW AND HEAT TRANSFER IN A PRIMARY SURFACE RECUPERATOR
原表面回热器换热阻力特性试验研究
resistance ratio(of resistance thermometer sensor)
(热电阻的)电阻比
Measuring method of thermal resistance and input fluid-output fluid pressure difference of heat sink for power semiconductor device
GB/T8446.2-1987电力半导体器件用散热器热阻和流阻测试方法
Kinetic Study on Thermal Degradation of Intumescent Flame Retardant Polypropylene;
膨胀阻燃聚丙烯的热降解动力学研究
PRESSURE DROP CHARACTERISTICS OF FLOW ACROSS A BANK OF MICRO PIN FINS
流体横掠微针肋阵列热沉的阻力特性
Non-isothermal Kinetics of Thermal Oxidative Degradation of Flame Retardant Thermoplastic Polyester Elastomer
阻燃TPEE非等温热氧降解动力学
EXPERIMENTAL STUDY ON HEAT TKANSFER AND PRESSURE DROP FOR PLANE FIN-AND-TUBE HEAT EXCHANGER
平直翅片管换热器传热与阻力特性的实验研究
Research on the Thermal Deformation and Stress of Metal Package with Low Resistance Leads;
低阻引线金属外壳热变形和热应力研究
AIR SIDE HEAT TRANSFER AND FRICTION CHARACTERISTICS OF CORRUGATED FINNED TUBE HEAT EXCHANGERS
波纹翅片管式换热器空气侧传热与阻力性能
Research in heat transfer performance and flow resistance of corrugated automobile radiator
管带式散热器流动阻力与传热性能分析
Study on the regenerative system performance influenced by flow resistance loss existed in regeneration heater
加热器流动阻力损耗对回热系统性能影响研究
The Study of Heat Resistance-based Thermal Design in Power Electronic Systems
电力电子系统以热阻为基础的热设计探讨
The Mean Value Survey Law for Thermal Resistance Test of Power Semiconductor Radiator
电力半导体散热器热阻测试中的平均值测量法
Simulation Techniques of Tire Rolling Resistance Based on Thermal-mechanical FEA
基于热力学有限元分析的轮胎滚动阻力仿真
At the interface between the two bodies the heat transfer is hampered by the so-called contact resistance.
在这两个物体之间的界面上，传热将受阻于所谓的接触阻力。
Thermal Degradation Kinetics of Intumescent Halogen-free Flame-retarding HIPS and Its Retarding Mechanism
膨胀型无卤阻燃HIPS热分解动力学及阻燃机理研究
diaphragm steam trap
隔膜式疏水器（一种热静力式的排水阻汽装置）