查询词典 jet

One of the main causes of the noises of the modern jet plane is the strong fluctuation generated by the flows passing by the trading edge of the airfoil and the outlet of jet engine, and the mechanism of generation of noises canoed by the fluctuation has not been clear at present.

现代喷气式飞机的主要噪声源之一是在机翼的尾缘及喷流发动机的出口处，即流体流过尾缘时产生的强烈脉动，目前这类脉动产生噪声的机理尚不清楚。

In order to realize the pre-mixed water jet flow ultra fine coal comminuting devices automatic control, raises the fine coal of smashing efficiency and the product quality, designed the pre-mixed water jet ultra-fine coal comminuting configuration monitoring system.

摘 要：为实现前混合水射流超细煤粒粉碎装置的自动控制，提高煤粒粉碎效率和产品质量，设计了前混合水射流超细煤粒粉碎装置的组态监控系统。

Using modified conventional powder metallurgy process for sintered Nd-Fe-B magnets , including annealing of ingot alloy, hydrogen decrepitating, modified jet mill and adding additive during jet milling, we have mass-produced high performance and high corrosion resistance sintered Nd-Fe-B magnets from a conventional ingot alloy without strict protections against oxidation.

利用改进的传统粉末冶金工艺(铸锭热处理、氢爆、改进型气流磨设备以及在气流磨中掺入添加剂等)，在无严格的防氧保护情况下，从传统合金铸锭出发，工业化生产出具有高耐蚀性的N48～50档烧结Nd-Fe-B 磁体。

Once again we get a chance to see Jet frocked up, this time accompanied by Takeshi K, who doesn't manage drag quite as well as Jet.

我们又可以看到李连杰衣饰整洁的样子了，他的徒弟金城武就没有那么光鲜利落。

Invented by Charles Ehret, an Argonne biologist whose career was devoted to the study of daily biological rhythms in a variety of organisms from paramecia to mammals, the Anti-Jet-Lag Diet has helped hundreds of thousands of travelers avoid jet lag.

发明由查尔斯ehret ，一阿贡生物学家，他们的职业生涯是专门研究生物节律，每天在不同的有机体从paramecia哺乳动物，反射流滞后的饮食，有助于数以十万计的旅客，避免时差。

The flow features of a self-excited precessing jet,which was generated based on the wall attachment effect,were analyzed in the paper;and the large eddy simulation approach was used to numerically study the flow inside a precessing jet nozzle.

分析了基于流体附壁效应而自激产生的旋进射流的流动特征，采用大涡模拟方法研究了射流喷嘴内部的流场。

This paper researches the jet pump performance in the water supply of hydropower station technology,through numerical value calculation to determine the geometric size of the flow components,and ensure the efficiency to be the highest value,and Derives the expression for efficiency and performance,protracts operating characteristics of jet pump and efficiency feature curve under different area.

本文针对水电站技术供水中的射流泵进行性能研究，通过数值计算，确定各过流部件的几何尺寸，以保障效率达到最高值。

In the U.S., for example, El Nio winters feature a strong jet stream and storm track across the southern portion of the country, whereas the jet stream in La Nia years is wavelike, bringing stormier than normal conditions to the northern states.

EL Nino 冬天以强烈的气象喷射气流和暴风雪穿越国家南部地区为特征，然而在镧镍为主的年份里，喷射气流是波状的。它给北部州县带来比往常情况下更多的暴风雪。

Influences of hydrogen sulfide, element sulfide, mercaptan, sulphuring ether, disulfide individually on silver strip corrosion of jet fuel, and of element sulphur coexisting with other sulfide on silver strip corrosion of jet fuel were studied.

考察了硫化氢、元素硫、硫醇、硫醚、多硫化物等单独存在时对喷气燃料银片腐蚀的影响；同时研究了元素硫与其它硫化物以不同浓度混合时对喷气燃料银片腐蚀的影响。

Based on this computing model, numerical computations were performed for a low speed primary jet vectored using different synthetic jet actuators.

对合成射流激励器在不同工作状态下控制宏观低速流流动进行了数值分析和机理探讨。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。