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- difference pressure ratio 压降比
- For a long time special observations were made of these gases under different pressure and temperature. 人们对这些气体在不同压力和温度下的变化做了长期的专门观察。
- 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。
- We use difference pressure of filter to control fan speed in order to keep lustration. 利用夜间的低谷电价蓄热,白天使用蓄热罐的热源,节省成本。
- 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。
- A new technology of airspeed meter of micro air vehicle based on micro difference pressure senso,micro amplifier and DSP is introduced. 介绍了一种采用微差压传感器、微型放大器、微功耗数字信号处理器(DSP)设计的新型微型飞行器空速计。
- 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 )。
- Every brew needs a slightly different pressure to be served well. 不同厂牌的啤酒要倒得漂亮,所需的压力也略有不同。
- 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 deflection of the main jet, induced by the difference pressure of the two sides, forms a lower pressure area in one side, thus inducing the main jet attaching to the wall. 提出主射流的偏转是由主射流两侧的压差导致射流偏斜,进而形成一低压涡流区,低压涡流诱导主射流附壁。
- 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。
- 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
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- 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。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
- Be and HR 1 stainless steel were bonded by diffusion welding at different pressure. 采用真空热压方法 ,分别在 2 0 ,45 ,5 5和 65MPa压力下对铍与HR 1不锈钢进行扩散焊。
- Each and every difference contains contradiction. 每一个差异中无不包含矛盾。