您要查找的是不是：
- The computational results show that the thrust-vectoring angle is dependent on the freestream Mach number, nozzle pressure ratio(NPR), the position of the injection and secondary pressure ratio(SPR). 对时间的积分采用的是隐式近似因子分解法。 文中计算了外流马赫数、喷管压强比、次流总压与主流总压之比以及次流喷口位于不同位置时的矢量偏角的产生情况。
- Numericla Simulation to Scramjet Nozzle's Performance under Different External Flow Condition and Nozzle Pressure Ratio 超燃冲压发动机尾喷管数值分析
- nozzle pressure ratio 喷管压力比
- In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance. 发现对于给定的喷嘴和冲击距离,存在一个压比临界点,当压比高于此临界点值时,流场振荡和离散频率噪声被显著抑制乃至消失。
- On the condition of the same nozzle pressure, the fiber radius is bigger, waste fibers and thin places of the air jet vortex spun yarn are severer. 纤维半径越大，临界角速度越小，在同一喷嘴气压下，半径大的纤维纺纱时落纤、成纱细节较多；
- The fragmenting images of meridian plane of conical liquid sheet under different nozzle pressure were obtained with Particle Image Velocimetry (PIV) system. 摘要采用PIV激光粒子测速仪获得了不同喷嘴液压差下锥形液膜子午截面的波动破碎图像。
- 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 coefficient is expressed as a percentage and is dependent on rotation uniformity, speed of rotation (for rotary type sprinklers), geometric layout pattern, nozzle pressure, and spacing distance. 此系数是一个百分数，它取决于转动的均匀性、转动速率(对旋转型喷灌器而言)、立体结构、喷嘴压强和间距。
- The influence of the nozzle pressure,the flow capacity and the nozzle di- ameter on the spray Sauter mean diameter(d_(SMD))is discussed,and the distribution of spray droplet size is studied. 以自来水为喷淋介质,对旋流压力式喷嘴低压喷淋液滴粒径进行了测试,分析了压力、喷孔直径和喷嘴流量对液滴索特平均直径(d_(SMD))的影响规律,研究了旋流压力式喷嘴液滴尺寸的分布规律。
- 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 )。
- 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；
- 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。
- Effects of nozzle pressure on disc swirl spun yarn 圆盘式旋流纺的加捻气压对成纱的影响
- 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
- Flow characters of large flow quantity, internal leakage, external leakage and pressure ratio and all the influence volume efficiency of three leaves roots blowers are discussed. 摘要介绍大流量三叶罗茨风机的流量特性，内泄漏、外泄露、压力比对容积效率的影响。
- She longed to clout him in the nozzle. 她真想猛揍一下他的鼻子。
