这种改进大大增加了有效射流长度，可使聚能装药的破甲威力大幅度提高。
Through these design ways, the valid length of jet and the penetration power of shaped charge were improved evidently.
测量了该吸气流动在不同工况下的临界射流速度、速度场分布、有效作用范围。
Measures critical jet velocity, velocity field distribution and effective limits of this suction-airflow under different conditions.
射流搅拌发酵罐是在结合我国实际的基础上提出的一条既能有效利用压缩空气的能量以达到增强氧传递速率又能降低能耗的新途径。
The use of jet stirring fermenter is a new approach to increase the rate of oxygen transferring with decrease the energy consumption, based on the present situation of our country.
此外，八份观察研究中的四份表明个人注射流感疫苗对防止心脏病或心血管事件有效果。
In addition, four out of eight of these observational studies indicated there was a protective effect against heart attacks or cardiovascular events in individuals vaccinated against influenza.
为了提高淹没射流的有效靶距，本文提出了诱导喷咀装置并分析了喷咀装置的诱导机理。
In order to increase the standoff of a submerged jet, the induced-nozzle device is presented with its inducing mechanism analysed in this paper.
多孔射流扩散器排放城市污水是充分利用天然水体环境容量和自净能力的有效途径。
The use of submerged multiport diffusers presents an efficient method to rapidly dilute large volumes of wastewater discharged into ambient receiving water.
计算结果表明，冲击射流所形成的脉动壁压场可用正交分解进行描述，其特征谱函数随阶数的增加而迅速衰减，对谱密度函数进行低阶近似也非常有效。
The results show that the eigen spectral functions declined with the increasing of order rapidly. The reconstruction of spectral density function shows that low order approximation is very efficient.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型，为掘进工作面合理有效通风提供了新的理论依据。
The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
利用水射流的屏蔽作用，消除水对电弧和焊缝的不利影响，是提高水下湿法焊缝质量的一种有效方法。
The underwater welding using a water jet curtain to prevent the damaging effect of water on arc and weld is a practical way to im- prove the"wet"weld quality.
试验表明，旋转径向射流可安全、可靠、经济、有效的排放上隅角积聚瓦斯。
It has been proved by the field experiment that the method of rotary radial jet discharging gas accumulating in upper corner of coalface is really safety, dependable, economical and validly.
在燃烧器区域处使网格线与煤粉射流方向基本一致，以有效地减小数值模拟中的伪扩散问题。
The direction of grid lines in the burner block is consistent with the direction of pulverized coal jet, which can reduce false diffusion in the simulation.
研究结果表明：通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失，提高了离心通风机性能。
The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.
本文的计算方法可以有效地用来预测引射流量比和揭示混合流场特性。
The computation method presented in this paper will effectively predict the flow ratio of ejection and disclose the characteristic of mixing flow field.
用异种气体射流冲击浸没液体中的微电子元件是强化散热的有效方法。
Electrodiffusion technique was employed to investigate a particular heat transfer phenomenon of foreign gas jet impingement on minute heat source in liquid bath.
超高压水射流辅助破岩是提高机械钻速的有效途径，水射流破岩效果影响因素及机制研究是其关键之一。
Ultra-high pressure jet assisted drilling is an affective approach for improving penetration speed; and influential factors and mechanism of rock breakage are key technologies.
作为分析流体运动稳定性的有效工具，线性稳定性分析法在燃油射流雾化机理的研究中得到了广泛的应用。
As a useful tool to analyse the stability of fluid flow, linear stability analysis method is adopted widely in the studies of atomization mechanism of fuel.
作为分析流体运动稳定性的有效工具，线性稳定性分析法在燃油射流雾化机理的研究中得到了广泛的应用。
As a useful tool to analyse the stability of fluid flow, linear stability analysis method is adopted widely in the studies of atomization mechanism of fuel.
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