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- Abstract: Design ideas of supersonic transverse free-vortex aerodynamic window(ADW) were discussed, and the reason of a single-stage ADW not easily reaching high sealing pressure ratio was analyzed. 摘 要： 介绍了横向超音速自由旋气动窗口设计方法，分析了单级气动窗口难以实现大密封压比的原因。
- Design ideas of supersonic transverse free-vortex aerodynamic window（ADW） were discussed, and the reason of a single-stage ADW not easily reaching high sealing pressure ratio was analyzed. 介绍了横向超音速自由旋气动窗口设计方法，分析了单级气动窗口难以实现大密封压比的原因。
- Based on the pneumatic parameter distribution at the ADW diffuser inlet, an active diffuser with wall boost was designed and validated by tests, whose sealing pressure ratio reached 85 in the test. 针对气动窗口扩压器入口气动参数分布特点，提出了一种扩压器带端壁吹气的气动窗口设计方案并进行了试验验证，气动窗口密封压比达到了85。
- sealed pressure ratio 密封比压
- OF DIRECT MOUTING DIAPHRAGM SEALED PRESSURE GAUGE. 隔膜压力表直接安装图。
- This paper is a discussion of the design of the sealed pressure test positioner utilizing heat exchanging pipe ends. 本文讨论利用换热管端面进行密封的试压胎具的设计。
- Considering the magnetic measurement and seafloor operation, the sealed pressure case should be nonmagnetic and transportable. 为抵御海水的侵蚀和抗衡海下的环境压力，需要研发装载磁场传感器的密封舱。
- Diaphragm seal pressure gauge is suitable for measuring the pressure or vacuum of corrosive liquid that will not crystallize and solidify. 系列膜片压力表适用于测量具有一定腐蚀性、非凝固或非结晶的各种流体介质的压力或负压。
- The doctor is measured with mercuric tonometer, when the hematic pressure ratio of Ms.Wen sees a doctor last even tall. 医生用水银血压计一量，温女士的血压比上次看病的时候还要高。
- Another method to increase the pressure ratio prec/p is to increase the temperature and Mach number of the eject gas. 提高引射气体的温度及马赫数，也可增加扩压比。
- The correlation coefficient between plama ADH and urine-palsma osmotic pressure ratio was 0.86(P<0.05) in patients with DI. DI组确诊后一周内平均尿血渗透压值与血浆抗利尿激素水平有密切相关性 (相关系数r=0 86 ;P <0 0 5 )。
- Ultimately, we obtained normalized abnormal curves for the frequency responses, through which we could reveal hew the sealed pressure case impacts the responses of the magnetic field sensor. 在响应输出端，测取幅频特性和相频特性，获得归一化的对比资料和频响异常曲线，从而对密封前后磁场传感器的性能变化有较清楚的认识。
- Simone G,Roman MJ,Koren Mi,et al.Stroke volum/pulse pressure ratio and cardiovascular risk in arterial hypertension[ J ].Hypertension,1999,33:800-805. 蔡俊明;邓健忠;陈先辉.;社区干预对高血压患者卫生行为和疗效作用[J]
- Velocity circulations at the trailing edges of each blade-row are optimized for overall maximization of total pressure ratio and isentropic efficiency. 优化目标为总压比和绝热效率最大，决策变量为转子和静子叶排尾缘速度环量。
- The two stage turbocharging system has much higher efficiency under most operating conditions if the pressure ratio assignment is 1:1. 在大部分工况下压比分配为1:1时，所匹配的二级增压系统效率较高；
- It is the only patented product dispensing system that has no spring or sealed pressure type system, and thus never needs to be "re-cocked" or "re-wound" for refilling, Turnout says. 它是唯一的专利产品的配药制度，没有春天或密封压力式系统，因此没有需要“重新竖起”或“再伤”的加气站，投票说。
- The shock wave compression is the latest compression technology, and attracts special attention because of high single stage pressure ratio. 激波压缩技术是目前新式的气体压缩技术，以其高的单级压比倍受关注。
- A multiobjective optimization for a two-stage axial-flow compressor design was performed for maximization of the overall adiabatic efficiency and the total pressure ratio. 针对一台两级轴流压气机,选定优化设计的目标是最大的总压比和最高的总绝热效率。
- At the end of the annular passage,shock wave occurs when the relative lift is less than 6% and the pressure ratio is less than 0.7,which causes a greater total pressure loss. 在相对升程小于6%25、压比小于0.;7后;环形通道的末端将产生激波;激波带来较大的全压损失
- Police sealed off all the exits from the building. 警方把建筑物的所有出口都封锁住了。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
