1、

The temperature of the liquid and test section surface and heat transfer coefficients, with and without acoustic cavitation, were measured and analyzed in order to study the effect of the parameters of acoustic cavitation on natural convective heat transfer.

实验中测量并研究有无声空化作用时液体温度、加热表面温度及传热系数的变化,旨在研究声空化参数对自然对流传热的影响。

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2、

Then, on the basis of single fact experiments, the technological parameters were optimized by orthogonal tests which include 3 factors and 4 levels, with the consideration of interaction among 3 factors, in which a comprehensive index was used as a test target.

根据单因素试验的结果,对工艺参数进行优化。设计了4因素3水平并考虑部分交互作用的正交试验方案,以综合指标进行评价,得到了优化工艺参数为:填料塔压为12.5MPa;

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3、

The goal to evaluating process is to find the defect of reliability, reliability parameters and datum can be acquired through wafer level and packaged level reliability experiments in specific test structures, according to failure mechanisms.

对工艺过程进行评估的目的在于找出存在可靠性缺陷的地方,它是针对技术磨损的机理,通过对专门设计的测试结构进行封装级或圆片级可靠性测试,获取可靠性模型参数和可靠性信息。

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4、

On the Test Track Evaluation Based on the Creep Rate Parameters

基于蠕变率参数的车辙试验评价指标研究

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5、

Exploration on research of allocation parameters for Changsha Maglev Test Track

长沙磁悬浮试验线定线参数研究探讨

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6、

Focus on the maglev test track structure parameters on the effect of vibration characteristics, and frequency range that the maglev test track structure is sensitive to vibration.

重点研究磁浮试验轨道结构参数对其自振特性的影响,以及磁浮试验轨道结构对振动较敏感的频率范围。

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7、

Among them, an outdoor test track inspection apparatus includes rail inspection instrument measured the orbital plane coordinates, track top elevation, gauge, level, track direction, height and distortions state track geometry parameters.

其中,轨检仪室外检测内容包括轨检仪实测轨道平面坐标、轨顶高程、轨距、水平、轨向、高低及扭曲等轨道几何状态参数。

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8、

Described are the main features, technical parameters, structure, test, trial operation and application prospects of a new type trainset for transport of mechanical refrigerator containers.

介绍了新型机械冷藏集装箱运输车组的主要特点、技术参数、车辆构造、试验、试运行情况及应用前景。

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9、

This paper introduces the general arrangement, main technical parameters, diesel engine, transmission system, car body, braking system and running gear of GCD-470 heavy rail motor car. The type test, trial running, etc., are discussed.

介绍了新型电传动重型轨道车的总体布置、主要技术参数、动力装置、传动系统、车体、制动系统、走行部、型式试验及考核运行等。

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10、

Optimize the welding process parameters on this basis, and in practical welding test on the valve parts.

在此基础上,对焊接工艺参数进行优化,并在实际阀门工件上进行堆焊试验。

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