查询词典 air mass

This circuit supplies approximately 5 volts to power the Accelerator Pedal Postion Sensor, and Mass Air Flow Sensor.

该电路为油门踏板位置感知器和气流感知器提供大约5伏的电源电压。

Ionic Radius Scale of Establishing Synthesis Factor of Ionic Mass and Electricity;2. Determinat ion of Fluoride in Sea Food and Meat by Ion Chromatogram;3. Determinat ion of Sulfuric Acid Mist in Air by Ion Chromatography

Er离子和Yb离子钙离子和离子离子等离子体"离子束，离子簇"离子-离子发射离子-离子复合离子液体等离子体 Mg2+离子金属离子稀土离子离子交换锌离子铜离子铅离子再制造工程和技术

The investigation status concerning the mechanism and numerical calculation of flow and heat transfer and mass exchange of the cold air curtain in the open display cabinet are introduced.

介绍了水平低温展示柜内冷风幕流动及热质交换机理和数值计算两方面的研究现状，并分析了研究过程中存在的问题及其进

In order to effectively design this accelerometer, it is necessary to study how the system characteristics are influenced by parameters of proof mass, servo-controlled feedback electrostatic force and air damping.

研究与检测质量块、伺服控制的静电反馈力和空气阻尼相关的各个参数对系统指标的影响将有助于此类加速度计的设计。

Algorithms of mass air flow, fuel film quantity and the compensation of fuel injection pulse width under both static and transient conditions are analyzed and deducted.

通过对油膜质量和喷油脉宽补偿计算的推导和分析，总结出了适用于各种工况的喷油脉宽补偿算式。

Objective:To probe the experience of early treatment and air lift in mass burn.

目的 ：探讨成批烧伤早期救治与航空转运的经验。

The air just emerging from the nozzle is highly energetic and, as it moves away from the nozzle , it entrains some of the surrounding air which tends to slow the mass down.

气流刚出喷嘴时能量最高，随着飞行距离的增加，周围的空气被卷进来，会使运动着的空气减速。

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Flow of fluid, including liquid and mixture gas of vapor and air, is presented with Darcys law. Capillary transportation of liquid and diffusive transportation of vapor and air are considered in heat and mass transfer in porous media during drying.

液体和气体在多孔介质中的流动遵循达西定律，同时考虑了液体传输时的毛细效应和蒸汽与空气分子的相互扩散效应。

In order to design optimum nozzle for air-air missile solid rocket motor, the mass model of solid rocket motor, the nozzle specifice impulse model of solid rocket motor and the objective function are established. Five different type of nozzles are choosen lor calculation: Conical, parabolidal,two different arcs,quadiatic polynominal and cubic polynominal.

以两种空-空导弹固体火箭发动机喷管作为算例，为此，建立固体火箭发动机的质量模型，喷管的质量比冲模型和目标函数模型，选择五种喷管扩散段内型面：锥形喷管，抛物线喷管，双圆弧喷管，二次多项式喷管和三次多项式喷管，进行优化设计，利用优化理论，成功地完成了五个设计变量的优化问题。

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％。