查询词典 jet-black

The properties of light fractions (including naphtha, jet fuel and light hydrogenated lube base oil) from the 300 kt/a lube isodewaxing unit of SINOPEC Shanghai Gaoqiao Company were reviewed and a proposal for optimizing utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; superior odorless kerosene and rolling oil of aluminum foil from jet fuel fraction; transformer oil, high quality white oil and jelly wax from light base oil fraction.

对中国石化上海高桥分公司300kt/a润滑油异构脱蜡装置生产的石脑油馏分、喷气燃料馏分及轻质加氢基础油性质进行试验分析，提出合理的利用方案，其中石脑油馏分可生产分析纯石油醚，喷气燃料馏分可生产特种煤油与铝箔轧制油，轻质加氢基础油可生产变压器油、高档白油以及果冻蜡。

Nick Plaister, product identification director at Domino, said: Over time the white space allocated to coding has been tuned to the needs of single-jet printers and is often too small to print into with conventional bi-jet solutions.

尼克Plaister，产品在多米诺识别主任，他说：过去一段时间的空白分配给编码已被调整到单喷墨打印机的需要，是太小，无法与传统的双向打印喷墨解决方案进入。

Methods:43 patients including 10 with mitral stenosis associated aortic regurgitation, 12 with mixed mitral valve lesions and 21 with mixed mitral valve lesions and combined with aortic regurgitation were studied.MVA determinded by (1) two -dimensional echocardiography with a cross-sectional area in the short-axis view (2DE),(2) pressure half-time using formula of 220/PHT,(3) color Doppler flow imaging with a jet cross-sectional area in the short-axis view with planimetry,(4) CDFI with a color jet width at the mitral valve orifice in the apical four-chamber view and long-axis view, assuming an elliptic mitral orifice, compared with the orifice area of excised mitral valve during mitral valve replacement.

材料与方法∶分别用二维超声(2DE)、压差减半时间、彩色多普勒二尖瓣口血流截面积和椭圆形面积法测定43例风湿性心脏病二尖瓣狭窄拟行人工瓣置换术患者的MVA，其中合并主动脉瓣反流 10例，合并二尖瓣反流 12例， 21例，并与手术标本的实测面积相比较。

The STE dominated by the intrusion of stratospheric air has been testified as a cause of ozone enhancement in upper troposphere over East Asia at the end of March 2001. This STE relates to the surface high moving southward, the upper cold eddy deepening and drifting eastward, the convergence of Subtropical Jet and Polar Front Jet associated with the cold front, the increasing temperature gradient near the jets, and the enhancing baroclinic instability.

天气诊断和动力分析表明，2001年3月底东亚地区几个臭氧探空测站探测到的对流层上层臭氧增加是以平流层空气下传为主的STE过程导致的，此过程与地面冷高压南下、高空冷涡加深东移的天气过程、以及冷锋推进引起的副热带急流和极锋急流的移动和汇合、急流附近的温度梯度加大、斜压不稳定增强等动力因素密切相关。

Powder Mill is a high-pressure resistant equipment company technical experts in the many years of research based on the industrial mills, drawing on the fineness of Germany and Japan advanced classification technology, according to fluid mechanics, devoted themselves to developing out with Jet Mill powder mill efficiency comparable to solve the domestic use of the high cost of jet mill problem, solve the ultrafine classification difficulties.

商品简介：高压微粉磨粉机是我公司耐磨设备技术专家在多年的研究工业磨粉机的基础上，吸取了德日先进的细度分级技术，根据流体力学原理，潜心研制出的可与气流磨相媲美的高效微粉磨机，从而解决了国内采用气流磨成本高的难题，解决了超细粉分级难关。

The results show that jet fuel price mean and profit mean were influenced by initial value of change probability vector and adjustment rate of jet fuel price.

结果表明，航油价格均值和利润均值与价格变化概率向量初值和价格调节率有关。

The velocity distributions and the surface pressure distributions of rotor blades and stator blades are acquired, furthermore, the efficiency and the thrust of the pump-jet propulsor are calculated, to lay foundation for the design and the optimization of pump-jet propulsors.

获得了泵喷射推进器转子叶片和定子叶片上的速度分布及其表面压力分布，并由此计算了泵喷射推进器的效率和所产生的推力，为泵喷射推进器的设计及其优化打下了基础。

To understand the flow noise generation mechanism of pump jet propulsor, this paper calculates the flow field of a torpedo pump jet propulsor,analyzes the field structure, and then calculates its broadband noise with Proudman theory.

随着理论计算方法的逐步完善以及计算资源的增强，对流动噪声进行理论数值分析已逐渐可行并成为深入了解声源传播途径、噪声产生机理及噪声声级预报的重要手段之一。

The rainband was located in the south of entrance of upper-level jet and in the north of low-level jet stream, which provide the good thermal and dynamical conditions.

长江中下游地区处于高空急流入口区右侧和低空急流左侧，高低空急流的这种有利配置为暴雨的产生提供了有利的动力热力条件。

However, in jet-propulsion the air is directed rearwards in a jet from the engine itself.

可是，在喷气推进器中，空气是从发动机本身，经喷管导向后部的。

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％。