The pulse characteristic and distributions of stagnation pressure produced by pulse jet impinging plate was investigated, and the instantaneous change of stagnation pressure were experimentally determined under different conditions.
利用自行研制的自激振荡脉冲射流发生装置对脉冲射流垂直冲击靶盘产生的驻点压力进行了试验研究,实测了不同参数下驻点压力的瞬时变化,分析了驻点压力的脉冲特性和沿程变化特性,探讨了喷嘴直径d、喷嘴出口速度V和靶距H对驻点压力的影响,并与相同工况下连续射流的打击力做了比较。
It is important to analyze the distribution of strain rate near the stagnation point for understanding the mechanic and heat behaviors of the material during explosive welding.
为了认识爆炸焊接驻点近区材料的力学和热学行为 ,分析波状界面和绝热剪切带生成 ,采用理想流体对称碰撞模型沿流线研究了驻点近区的应变率分布规律 ,并推导出了驻点应变率的理论计算公式。
The calculation of stagnation point position of straight pipeline section with both movable ends and L-type pipeline section with bend at one end and bellows type expansion joint at other end is discussed.
探讨了两侧为活动端的直管段及一侧活动端为弯头,而另一侧活动端为波纹管补偿器的水平转角管段驻点位置的计算。
In allusion to Funar Conjecture :"If a random triangle lies in a closed unit square,then its inscribed circle s radius,r≤(5-1)/4",an equivalent minimum problem about a function of 2-variables is studied;the stagnation point and its value,value on the boundary of the function of 2-variables are studied,the equivalent problem is proved correct,so the Funar Conjecture is proved correct.
针对Funar猜想:“设任意三角形位于闭单位正方形内,则该三角形的内切圆半径,r≤(5-1)/4”,研究了与其等价的某二元函数的最小值问题;利用对此二元函数驻点及其取值、边界取值讨论,证明了等价问题成立,进而此Funar猜想得证。
Based on those ba- sic theories , the critical point method of optimal polarization is given and reinforced at length .
在此基础上给出了最优极化分析驻点法，同时进行了补充并修正了文献中的错误。
Darboux s theoryis used t prove that the extreme ualue of univariate function is its maximum or minimum when it has only one critical point.
运用布定理证明“一元函数只有一个驻点时 ,其极大 (极小 )值就是最大 (最小 )值” 。
The extreme value of binary function at f_(xx)f_(yy)-f~2_(xy)=0 is judged by its direction derivative which follows ray starting from stable point and passing point P at every point P in noncentral neighborhood of stable point.
用驻点的去心邻域内各点P处函数沿以驻点为端点的过点P的射线方向的方向导数是否同号,来判定二元函数f(x,y)在fxxfyy-f2xy=0时的极限。
These saddle points represent points of stagnation of the current flow.
这些鞍点代表电流的驻点。
Stagnation Point Offset of Two Asymmetric Nozzle Opposed Jets with Large Nozzle Separation Distance
大间距两不对称喷嘴对置撞击流驻点偏移规律
Series Solutions for the Stagnation Flow of a Second Grade Fluid Over a Shrinking Sheet
具有收缩表面的二阶流体驻点流动的级数解
Analytic Solution of Stagnation-Point Flow and Heat Transfer Over a Stretching Sheet by Means of Homotopy Analysis Method
具有延伸表面的驻点流动和传热问题的级数解
I didn't know there was Army land hereabouts.
我一点也不知道这附近有军队驻扎。
A special retrieval team arrived from Washington and located the crashed craft.
华盛顿的一支修复队驻扎在闪电地点。
designation of regroupment and cantonment areas
重新集结和进驻的指定地点
The investigation of natural focus of tick-borne spotted fever in a military base
某部驻区蜱传斑点热自然疫源地调查
The Norwegian Embassy in Damascus was set ablaze Saturday.
挪威驻大马士革大使馆星期六被点燃。
The American soldiers in Iraq dream of going home soon.
驻扎在伊拉克的美国士兵渴望早点回家。
The technology resides either on a host computer or at key points on the network.
此技术留驻在主机系统上或者网络的关键点上。
The operation in Afghanistan has exposed many weaknesses.
在阿富汗的行动暴露了北约驻军的很多弱点。
If you would stay loved, stay unpredictable a little.
如果你希望让爱情常驻，最好保持点神秘感。
The Design and Development of an E-office System for Distributed Deployment Troops;
多点驻防部队办公信息平台系统研究与实现
Difficulty Analysis and Countermeasures for Ideological and Political Work of Companies in Foreign Countries;
驻外公司思想政治工作难点分析及对策研究
The Method of Many Web Sites Residing on A Web Server
一个Web服务器上驻留多个Web站点的方法
Ignition performance of a single trapped vortex combustor with evaporation tube as fuel supply
蒸发管供油的单驻涡燃烧室贫油点火试验
The quartering of a few troops in the vicinity did not seem to have disturbed the rustic serenity.
附近驻扎的一些军队似乎一点也没有破坏农村的宁静。