查询词典 airflow

This paper states the present calculation methods of ventilation and infiltration airflow in large spacebuiding Points out that the sticking point of calculating airflow is the confirmation of wind pressure coefficient andheat pressure coefficient and the neutral plane position.

叙述了目前大空间建筑通风与渗透风量的计算方法，指出了计算的关键是风压系数、热压系数和中和面高度的确定，介绍了它们现有的确定方法，对今后的研究提出了建议。

The frequency of acid rain with the southeasterly airflow is twice as large as that with the northeasterly airflow in inverted troughs.

张铮等在两广地区春季酸雨观测中发现：在冷锋降水过程里，降水平均pH值低于5.0，为酸性降水[3]。

NOSE CONE, A device on the front of the engine that guides airflow to the primary airflow path of the engine.

进气整流锥，一个位于在发动机前端，用于引导气流通过发动机的主气流通道的装置。

Airflow distribution is one of the important factors affecting the performance of electrostatic precipitator and airflow distribution technology can improve the efficiency effectively and economically.

气流分布状态是影响电除尘器除尘效率的几个重要因素之一，气流分布技术能经济、有效地提高原有电除尘器的除尘效率。

The respire symptoms are significant in large airflow track due to organic dust and in small airflow track due to inorganic dust.

且有机尘女工呼吸道症状多，大气道受损明显，而无机尘女工，较多见的是小气道受损。

However, it is preferred that the terminal edge 30b of outlet channel 30a is in facing engagement with the inner surface in registry with a peripheral edge of the louvered vent 16a to urge air directly out of the air outlet 16 from the housing 12 to improve airflow through the airflow path.

然而，优选地，出口通道30a的终结边30b与内表面相接合，并与百叶式通风口16a的外围边配准，以便推动空气直接从外壳12经空气出口16流出，从而改善经过气流通路的空气流。

Experimental and numerical studies on airflow sent by windpipe and airflow inside passenger compartment of air-conditioning train are presented in this thesis.

本文综合了国内外空调客车空调领域研究的状况和存在的一些问题，针对国内铁道空调客车均压风道的均匀送风和空调车室内气流组织问题进行了数值和实验研究。

The results showed that transom window types have much influence on airflow field inside the greenhouse, and that airflow distribution differs distinctively.

模拟结果表明：顶窗配置形式对温室内自然通风影响较大，室内流场差异明显，平均流速最大相差30％以上，但气流最大速度相差不大。

The results showed that transom window types have much influence on airflow field inside the greenhouse, and that airflow distribution differs distinctively. The average velocity varies about 30%, while the maximum velocity does not vary much in three window types.

模拟结果表明：顶窗配置形式对温室内自然通风影响较大，室内流场差异明显，平均流速最大相差30%以上，但气流最大速度相差不大。

In order to practically predict the effect of the tree belt windbreak in mine-area environment protection, the flow through porous tree belts was numerically made. The airflow-tree canopy action was considered into the momentum equation as the resistance term, and then the resistance between obstruction and airflow was expressed numerically.

为了更好地发挥防护林带在矿区生态环境保护中的效用，采用数值模拟的方法预测防护林带的绕林流场，其中将气流－树木相互作用视为阻力项添加到动量控制方程中，由障碍物表面对空气流动的阻力来描述林带的遮蔽效应。

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％。