查询词典 air mass

The atomizing characteristics of the nozzles will have important influenoe uponthe heat and mass transfer between the air and water in the air washer.

离心喷嘴的雾化性能是影响喷水室空气与水间进行热湿交换的重要因素。

At Rimedyne Air-conditioning center we mass produces air-conditioning units starting from few thousand BTU to tens of thousands BTU.

同样地，在很短的时间内，我们已经能够高效地为全球的客户生产出定制的环境控制解决元器件。

By using experimental methods of biodynamics, the author researches into the problem that speed of travel influence on air resistence, the relation between skating form and air resistence, the change trends of resistence for mass skating and so on.

通过采用空气动力学的实验方法，研究了滑跑速度对空气阻力的影响，滑跑姿势与空气阻力的关系，跟滑阻力的变化趋势等问题。

After taking those factors, such as stable combustion and reducing pollutant emissions into account, the following operation parameters are recommended: combustion temperature between 850℃ and 860℃, excess air coefficient of 1.35, secondary air fraction 40% and mass mixing ratio 30%.

综合考虑稳定燃烧和降低污染物排放等因素，得出一系列最佳燃烧参数。燃烧温度应该控制在850~860℃，过剩空气系数应该控制在1.35左右，二次风率应该控制在40%左右，质量掺混比应该控制在30%左右。

The coupling of heat and mass transfer of liquid desiccant regeneration in an air conditioning system was analyzed and the measures to increase the performance of regeneration were proposed. Then a liquid desiccant air-conditioning system was established which uses a counterflow packed tower as the regenerator with a heater in it and exhaust for regeneration.

分析了液体除湿空调再生过程热质交换的耦合特性，并提出了提高再生过程热质交换性能的措施，在此基础建立了液体除湿空调系统，其中再生器采用逆流式填料塔，在填料塔设置中间加热器，利用排风进行再生。

Air is heated in electric heater through the fan, then goes through the gas distributor into the fluidized bed dryer; and material enters the fluidized through the top. Materials keep fluidized in virtue of the flotage effect of the hot air. Energy and mass exchange in the fluid bed dryer.

流化床干燥过程：空气由鼓风机引入电加热器，加热后经布风板进入流化床，物料由流化床顶部预先加入，通过调整进风量，使物料在热空气的作用下保持流化状态，实现物料的流化干燥。

Temperature compensation and processing method for outputs are discussed,a fitting formula for the designed sensor is provided,the result show that the hot-wire air flow sensor can accurately measure the mass flow of air.

随着近年来微电子技术和微加工技术的发展，采用微结构的热线式传感器的功耗大幅度降低，并具有更快的热动态响应速度，使得热线式传感器的研究和应用又一次受到了重视。

The adopt the analytical method announced by environmental protection administration NIEA A715.12B "volatile organic compounds detection method at air - stainless steel canister/analyze mass spectrograph of gaseous phase ", to effectively analyze the air samples inside the station, to find out the space distribution and concentration of volatile organic compounds at the service station.

研究分析方法采用环保署公告NIEA A715.12B「空气中挥发性有机物检测方法－不袗采样筒/气相层析质谱仪法」，期望有效分析加油站内空气样品，对站内空气中各挥发性有机物物种进行定性与定量分析，以了解站内挥发性有机物空间分布与浓度分布情况，提供国内相关资料库与相关立法规范参考。

The first step of simulation method is to establish the one-dimension parabolic partial differential advection diffusion equation that was used to describe the mass transportation model of air-pollution distribution as a block program model of the controllable plant. Then, applying the Fuzzy logic theory to operate tunnel jet-fans and control the tunnel wind quantity and adjust the wind average velocity would not let the air-pollution concentration over the standard safety value too much.

模拟方式首先将常被用以表示隧道内空气污染物质传理论模式之一维向平流扩散抛物线型偏微分方程式建构成一组可控制对象的方块程式模拟模型，再运用模糊逻辑理论模拟控制喷流式通风机之运转风量来调节隧道内平均风速以控制隧道内空气污染物浓度不至於高过标准安全值太多。

More experimental data of condensation heat transfer coefficient, especially ones obtained at some determined pressure of mixtures and concentration of noncondensable gases, are required in order to make a data bank. Therefore, the experiment is arranged for steam-air condensing on the outside of a horizontal smooth tube, and 405 data have been obtained for the pressure of the bulk mixture covering 0.1～0.5bar and the mass fraction of air 0.3%～10.0%.

得到了一些重要结论，尤其是首次得到了&同样含量的空气对压力较高的混合气体冷凝换热的削弱作用较小&、&蒸汽侧冷凝换热系数近似与空气质量成分的对数成正比关系&、&空气含量的增加对蒸汽侧冷凝换热系数的影响随壁面过冷度增大而减小&及&管内冷却水流速取值范围的上、下限随管外蒸汽侧空气含量的增大而减小&等结论，并验证了在本文实验范围内&蒸汽侧冷凝换热系数与相同温度下纯净饱和蒸汽凝结换热系数的Nusselt理论预测结果的比率随壁面过冷度增大而减小&的数值分析结论〓。

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％。