查询词典 jet-black

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。

We examined the relationship between the jet stream and activity of synoptic-scale disturbance Q, which depicts intensity of synoptic-scale disturbance in a period of time, and the relationship between the jet stream and transient eddy heat flux.

通过分析急流与天气尺度波动活动量Q(用于描述某一时间段内天气尺度波动活动强弱程度)、热量涡动输送的关系，发现：在气候平均意义下，天气尺度波动活动量在6、 8月份较大，这意味着在这两个月中，天气尺度波动较为剧烈。

Based on the analysis the phenomenon of jet interaction, a mode of missile with jet interaction amplification factor is set up. For overcoming the disadvantages of uncertainties and unknown disturbance, the back-stepping control structure based on NDO is designed in virtue of NDO's approaching ability. The overall system guarantees that all signals involved are asymptotically stable by Lyapunov method.

针对导弹气动参数的不确定性及外界干扰对导弹控制性能的影响，利用非线性干扰观测器对干扰的逼近特性，结合反演控制设计了非线性导弹自动驾驶仪，并基于Lyapunov方法，给出了整本系统的稳定性证明。

The paper mostly studies the super-high pressure abrasive water jet technology in following several aspect:At first, the structure of water jet beam as well as its characteristic and mechanism in cutting different kinds of material were discussed.

本文主要从以下几个方面对超高压水射流进行了研究：高压水射流与超高压磨料水射流的射流结构与形成原理；切割不同性能材料的切割机理；切割系统的控制；超高压水的发生原理及发生装置；在此基础上又通过基础实验与应用实验总结出切割不同材料过程中，切口形状的变化、影响切割表面的质量的各种因素及改善切割表面质的的措施；并对实验所用系统的计算机辅助设计过程与M软件的使用进行了介绍。

Now a new category of private jet, known as a Very Light Jet, is emerging, made possible by advances in aerospace engineering, especially in the use of extremely strong but very light carbon composites.

现在，得益于航空发动机的发展，特别是随着强度高，重量轻的含碳复合物的使用，一种被称作超轻型飞机的私人飞机已经出现。

The company mainly produces A186D type, A186F type, A186H-card, FA201C type, FA206 type, FA207B of high-yield card, FA226A-Steel of complete sets of equipment, A186G Fluid Systems card, CZ191B comb-Ma, FN246B cashmere system Of the machine, FN246A-cashmere carding machine, FN271A of artificial fur card, A186 aircraft Xu Mian, GM210-type twin-roll-bomb plane, GM1010 single roller-aircraft shells, all kinds of carding machine, and hair machines, non-woven carding Machines, open-plane, JW-813 Series Water Jet Loom, JW-2000 series of heavy high-speed water jet looms.

本公司主要生产A186D型、A186F型、A186H型梳棉机，FA201C型、FA206型、FA207B型高产梳棉机、FA226A清钢联成套设备、A186G棉麻梳理机、CZ191B梳麻机、FN246B羊绒制条机、FN246A型羊绒分梳机、FN271A型人造毛皮梳理机、A186絮棉机、GM210型双辊清弹机、GM1010型单辊清弹机、各种梳毛机、和毛机、无纺布梳理机、开松机、JW-813系列喷水织机、JW-2000系列重磅高速喷水织机。

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％。