The altitude characteristics and velocity characteristics of three types of solid ducted rocket, which are choked solid ramrocket with fixed mass flow rate of fuelrich gas generator, unchoked one and the one working under fixed mass ratio of air to fuel, were numerically studied.
通过数值计算 ,分析了燃气流量固定的壅塞式固体火箭冲压发动机、等空燃比工作的固体火箭冲压发动机和非壅塞固体火箭冲压发动机的高度特性和速度特性。
Relationship between choking flow characteristics and condensing pressure in electronic expansion valve
电子膨胀阀壅塞特性与冷凝压力的关系
Research on the Mach number control system in NF-6 wind tunnel;
NF-6风洞马赫数控制系统研制
Research of application of neural network in Mach number identification of wind tunnel flow field;
神经网络在风洞流场马赫数辨识中的应用研究
Experimental study on the vortex tubes with different Mach number nozzles
喷嘴马赫数对涡流管性能影响的实验
The relationship between the variation of density and the variations of pressure and temperature is educed under micro-Mach number by the theoretical analysis on the steady flow of ideal fluid,and the theoretical analysis of the incompressibility of low-speed gas flow is obtained when the flow is treated as an incompressible flow with M<<1.
通过理想流体定常流动的理论解析,导出了微马赫数下密度的相对变化率与压强、温度的相对变化率的关系式,得到了当M<<1时的低速气体流动问题可视作不可压缩来处理的直观理论解析。
Grease has fouled this drain.
油污使这条下水道壅塞了。
Elimination of Superfluity --An Issue Concerning the Development of the Art of Poetry during the Southern Dynasty and the Tang Dynasty;
壅塞的清除——南朝至唐代诗歌艺术的发展一题
Relationship between choking flow characteristics and condensing pressure in electronic expansion valve
电子膨胀阀壅塞特性与冷凝压力的关系
Clinical Observation on Phlegm Turbidity and Obstruction Syndrome by the Classical Prescription of Zexie Soup
经方泽泻汤加味治疗胸痹痰浊壅塞证临床观察
Aries people are subject to headaches, including migraines, head congestion, and sinus conditions.
白羊星座经常头疼,像经常发生偏头痛,顶头壅塞,和静脉窦。
GEOMETRIC TOPOLOGICAL ANALYSIS OF TWO-PHASE FLOW AND AN INVESTIGATION OF THE MATHEMATICAL CRITERION FOR CHOKING
两相流动解的几何拓扑分析及壅塞流动数学判据的探讨
Choking phenomenon of gas particle flow and its application in PCI of BF
气粉两相流壅塞现象的实验研究及在高炉喷煤中的应用
In large American cities so many people are in a hurry and drive automobiles that traffic in the congested streets goes into slow motion.
在美国的大城市中，许多人匆匆忙忙地驱车来到交通壅塞的街道上，结果是加入了纡缓的车流；
The present shortage of radio spectrum results in large part from the cost and performance limits of legacy hardware established during the past century.
目前无线电频谱壅塞的现象，大多起因于上个世纪制造的老式硬体设备在成本与效能上受到限制。
Filling and Blocking up: the Existential Foundation of the Chinese Autocracy Stated by Kang Youwei;
塞壅:康有为论中国专制的生存根基
Analysis of Causes to Dammed Water in Little-North-Stem of the Yellow River in 1996 Ice Flood
1996年凌汛黄河小北干流冰塞壅水成因分析
Earth up the roots of a newly-planted tree
壅土覆盖新栽树的根部
If small leaks aren't plugged up in time, they will become streams
涓涓不壅,终为江河
the azygous muscle of the uvula.
悬壅垂的非对偶的肌肉。
He earthed up the roots of the newly-planted shrub
他给新种植的灌木根部壅了土。
The Biological Foundation and Effectiveness of "Phlegm Accumulation in the Uterus"(6);
“痰壅胞宫”生物学基础及其效应（6）
The Biological Basis and Complications of Phlegm Affected Baogong (5);
“痰壅胞宫”的生物学基础及其效应（5）
The Biological Basis and Complications of Phlegm Affected Baogong (4);
“痰壅胞宫”的生物学基础及其效应（4）