1、

ST bumper used to resist shock is a pivotal part in railway vehicle transportation. As primary load-transfer component of this part, thrust cone required very high precision and surface quality.

ST型缓冲器是铁路车辆运输过程中用于抗冲击的关键部件,推力锥作为其中的主要传力零件,其精度和表面质量要求都非常高。

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2、

Problems: The primary stress to which the surface of the mould is exposed are thermal shock, abrasion and chemical reactions between the liquid alloy and the iron in the steel mould.

问题:压铸模具表面主要面临的问题有热冲击、磨损、液态合金与模具钢的化学反应等。

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3、

Based on the theory of protective engineering and blasting, the damage effects of primary fragments, shock wave and vibration in destruction of bygone aero-bomb and shell are discussed.

分别根据工程防护和工程爆破理论,对航、炮弹销毁时的弹片、冲击波和振动等安全距离计算进行了对比研究,有关研究结论可供销毁废旧航、炮弹的环境安全评估参考。

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4、

Then, concrete design schemes of primary parts of the test-bed including flywheel units, traversing drum shafting, shock drum shafting, thrust pulley units and loading mechanisms are introduced, which finishes the general design of the test-bed.

接着详细介绍了飞轮机组、横移卷筒轴系、冲击卷筒轴系、推力滑轮机组和加载机构等试验台主要部件的具体设计方案,完成了试验台的整体设计。

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5、

The relevant factors of low fatality were the efficacy in reducing shock and primary ventricular fibrillation which might be accounted for by the progress in the emergency case of AMI patients especially with regard to early diagnosis, early treatment and close monitoring.

通过前后两阶段资料的对比分析,1972~1976年病死率的下降,主要是并发休克与原发室颤的减少,这与早期诊断、治疗、进行监护有关;

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6、

sinus infections may be a primary factor in about 20 percent of toxic shock syndrome cases in children, a new study has found.

一项最新研究表明,静脉注射可能是导致20%的小儿中毒性休克综合症的的主要原因。

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7、

Conclusions: The results indicate that the prognosis of traumatic patients with ARDS depends on injury severity, infection, shock, primary lung injury and inhalation injury.

结论:创伤严重程度、感染、休克、原发性肺损伤和误吸是并发ARDS的主要危险因素。

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8、

A Primary Analysis of 40 USD/ EPC Model Inverted Hydraulic Front Shock Absorber

40USD/EPC型倒置式液体阻尼前减振器浅析

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