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The case hardenability of carburized steels were experimentally investigated and someapplications of isoharness curve are discussed.

本文对渗碳钢的渗层淬透性进行试验研究，并论述了等硬度曲线的某些应用。

Dynamic fracture initiation and propagation in HQ785C steel have been investigated experimentally under impact loading using the optical method of reflected caustics combined with high speed photography.

本论文对HQ785C低合金高强度钢的动态断裂行为与机理进行了系统的研究和分析。

Characteristics of Lean-burn combusting of this CNG engine were studied experimentally.High performance in fuel economy and emissions was acquired.

为保证混合气在较大空燃比情况下的充分燃烧和发动机的稳定运行，需采用空燃比的精确控制和高能点火，并需解决气体燃料发动机普遍存在的功率下降问题。

Experimentally studying the flux of mono-disperse granular gas in one compartment,we modify the flux model of Eggers to fit the experimental results.

通过实验研究，测量了颗粒气体的流通量曲线，改进了Eggers模型。

Under this background, the main research direction of this dissertation is to study on dynamics modeling of ERF damper and vibration control of its nonlinear isolation system theoretically and experimentally.

在此基础上对ERF阻尼器所构成的非线性隔振系统进行振动控制的理论与实验研究。

The coherence lengths of excitons in the mixed aggregates were investigated theoretically and experimentally.

从实验和理论两个方面研究了在混合分子聚集体中激子相干长度。

Methods Different shapes and sizes of tissue expanders were implanted under porcine skin, and experimentally compared.

在实验动物家猪埋置不同形状和容积的扩张器进行对比。

An investigation of propagation of hydrogen-oxygen mixture's detonation wave entering an abrupt expansion pipe was carried out experimentally and numerically.

对爆轰波进入不可燃突扩管道后的传播规律及压力分布进行实验研究、数值模拟和理论分析。

This study experimentally examined the heat transfer characteristics of 180-deg turning duct under forced convection cooling, as the internal cooling structure of 180-deg turning duct is widely applied to industrial cooling. While several perforated holes were separately arranged within the 180-deg turning duct, the cold flow of better cooling capability was guided in the first duct into the second duct in advance, so as to reduce the overheating of the second duct and realize uniform cooling of the machine members. In addition, the centrally separated holes could yield extra turbulence against the air current, and the interaction between bypass air current and mainstream may possibly improve the overall heat transfer capability.

本研究系以实验方法探讨180度转弯通道於强制对流冷却下之热传递特性，180度转弯通道之内部冷却构型在工业冷却之应用非常广泛，本研究设计将180度转弯通道其中间分隔具多个穿孔，目的在将第一流道内具较佳冷却能力之冷流提早引入第二流道，以减少第二流道产生过热情况，如此可使得机件获得均匀之冷却，此外，中间分隔上之穿孔对气流也具有额外之扰动效果、流经穿孔之旁通气流与主流交互作用，这都有可能增益整体热传能力。

Then, the effects of cutting depth, feed and speed on the heating resistance are experimentally investigated, and an experiential formula is deduced.

在此基础上通过实验研究了切削深度、进给量和切削速度对加热电阻的影响，并建立了相应的经验公式。

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。