查询词典 air pressure

Numerical simulation and experimental research show that, when air flows over the surface of the truck, around the head of it there exists a positive pressure area which is a main contributor to the pressure-difference drag of the truck.

通过数值模拟和试验研究表明，气流在绕流汽车表面时，在汽车头部存在压强较大的正压区，该区是对汽车压差阻力贡献较大的区域。

The pressure ridge partly moved to southeast, it led to the cold air stream more moved to southeast, and the strong cold wave broke out. The water vapor from Caspian sea to Bslkhash lake accumulated at the upper of north Xinjiang, and it provided the water vapor condition for the cold wave. The ECMWF numerical forecast product accurately predicted the evolution trend of circulation (the position, intensity, path and speed of ground surface cold high pressure) of height field in this cold wave process. The predicted temperature at 850 hPa had good corresponding relation with the actual lowest temperature.

高压脊部分东南垮，导致强冷空气大举东南下，强寒潮天气暴发；里海到巴尔喀什湖的水汽在北疆上空聚积，为这次寒潮天气提供了水汽条件；ECMWF数值预报产品在这次强寒潮天气过程中准确的预报了高度场的环流场演变趋势，地面冷高压的位置、强度、路径和移速；850 hPa格点温度预报值与最低温度实况值具有很好的对应关系。

Pilot-operated pressure regulating valve the air is normally provided by a small supply of direct-acting pressure reducing valve.

先导式减压阀的调压空气一般是由小型的直动式减压阀供给的。

The principle of the design of the duct system for the exhaustion of lacol air and a method of determining calculated static pressure and calculating residuary static pressure are introduced.

介绍了局部排风管道系统的设计原理以及计算静压和剩余静压的计算方法，最后给出了根据设计原理求解管道直径的方法和工程实例。

Company main equipment: 160 ton friction press, thread rolling machine CW6140A, CD6140A, the C630 lathe, WQ8260, crankshaft grinding T716, the vertical boring machine, the hydraulic pressure test platform, hit press M4214, the vertical hydraulic pressure grinder, the drilling machine, the saw village 60 tons presses, 5 tons overhead traveling cranes two, the GB4-1 sail loom, GB4035 metal gig saw ZPH-501 the intermediate frequency electric radiator DS-500 electric welding machine, the DSI-300 electric welding machine, the air compressor, the paper-cutting machine, the heat bonding machine, the stamping press, the laminating machine.

公司主要设备：160吨摩擦压力机、滚丝机CW6140A、CD6140A、C630车床、WQ8260、曲轴磨床T716、立式镗床、液压试验台、打压机M4214、立式液压研磨机、钻床、锯庄60吨压力机、5吨天车两部、GB4-1帆布机、GB4035金属带锯床ZPH-501型中频电热器DS-500电焊机、DSI-300电焊机、空气压缩机、裁纸机、热合机、烫金机、覆膜机。

This paper propounds an improved kinetic model of monthly potential evapotranspiration ETi:ETi=where i is a number of month, Pi the monthly mean atmospheric pressure,ti the monthly mean air temperature, di the number of days in a month,Ui the monthly mean wind velocity measured at height 10-12m, woi the saturated water vapour pressure at ti,and hi the monthly mean relative humidity.

本文提出了关于月可能蒸散量ETi动力学模型的改进形式：式中，i是月份的编号，Pi是月平均气压，ti是月平均气温，di是月的天数，Ui是在10─12m高度处观测的月平均风速，woi是在温度为ti时的饱和水汽压，而hi是月平均相对湿度。

It is found that the impact pressure may be maximal when the ratio of initial air volume, under standard atmospheric pressure, to total volume in pipeline reaches a certain value.

试验结果表明，水流冲击截留气团的最大压力与截团在一个大气压下的初始体积占管道总体积的比例多少有关。

In this year's Beijing International Machine Tool Show (2005 CMIT), the Tianjin-or gold at the full range of products, including air preparation components: regulator, filter, lubrication, drainage, pressure gauges; valve categories: Electromagnetic valve, pipe valve, pneumatic valve, mechanical valve, the valve manually, foot valve; cylinder categories: standard atmospheric pressure bars, mini round-cylinder, micro-cylinder, rotating cylinder, manipulator, welding tanks, cylinder block, a rule Cylinder, no-cylinder, guided-bars and all kinds of buffers, the appearance of refined products, a series of rich and comprehensive feature allows visitors not only praise, so that customers have a better choice.

在今年的北京国际机床展（2005CMIT）上，天津罗升展出了金器全系列产品，包括气源处理组件：调压器、过滤器、润滑器、排水器、压力表；阀类：电磁阀、管路阀、气动阀、机械阀、手动阀、脚踏阀；缸类：标准气压杠、迷你圆型缸、微型缸、旋转缸、机械手、焊接缸、阻挡缸、治具缸、无杆缸、导杆杠及各种缓冲器等，产品精致的外观、丰富的系列、全面的功能让参观者赞叹不止，让客户有了更好的选择。

New accessible long-term production and sale of foot brush pressure molding machine, drilling machine pressure foot gong machine spindle molding machine fittings imports of Chinese-made machine stress foot brush, foot stress tablets rigs such as the development of knife Block Sales: Taiwan substantial, Taiwan Li-song, Taiwan's total grid, Taiwan Ende, Germany SCHMOLL, Italian PLURITEC, USA ACC, the United States EXCELLON, Japan's Hitachi, Switzerland POSALUX, Chongqing substantial Vientiane, Chengdu Tianma stars VEKEN Han ten thousandNC NC East Units Klingelnberg long Ze 6 The United States United States Telemark Telemark 5 JAGER various drill chucks knife Block molding machine needle plate for industrial use in vitro toothbrush cleaning rod pin brush sets Central, QIC thrust bearing, air bearing surrounding the circuit board supplies, such as fittings, quality and high precision, stable quality, price concessions, there are hundreds of traders PCB supplies, drilling machine repair business with the Division has built cooperative relations many enterprises are designated suppliers, are popular among clients trust and support.

新易达公司长期生产，销售成型机压力脚毛刷，钻孔机压脚，锣机主轴配件成型机进口国产机压力脚毛刷，钻机压力脚垫片刀座等开发销售：台湾大量、台湾力嵩、台湾总格、台湾恩德、德国SCHMOLL、意大利PLURITEC、美国ACC、美国EXCELLON、日本日立、瑞士POSALUX、重庆大量万象、成都星维科天马大族数控万达松林数控东台KlingeLnberg 龙泽美国玛克6 美国玛克5 JAGER等各种钻机成型机夹头刀座针盘工业用牙刷试管通条刷销钉套环、QIC止推培林，空气培林等线路板周边耗材配件，品质精度高、质量稳定，价格优惠，全国有数百个PCB耗材贸易商，钻孔机维修商与本司建有合作关系，是众多企业公司指定的供应商，深受广大客商信任和支持。

With the improvement of the structural complication and strength index of the engine structure, during the work process, the bending-shaft produce bent and torsion because of the action of periodicity variational air pressure, inertia pressure evocabled by the to-and-fro and whirligig motion and torque, therefore, engine bending-shaft must be provided with the preferable fatigue intensity and the structure rigidity through making use of the material of high intensity and the reasonable forging technique.

随着发动机结构的复杂化和强化指标的不断提高，曲轴在工作过程中，由于受到周期性变化的气压力、往复和旋转运动引起的惯性力以及弯矩、扭矩的共同作用，既产生弯曲又出现扭转，这就要求发动机曲轴具有高的疲劳强度和结构刚度。

Dixie itself is a nickname for the American South.

Dixie 本身是美国南部的别称。

I think John Terry epitomises that and a big reaction is what we will be looking for.

而我认为特里就是这样一个典型，他正是我们期望看到的那个领秀。