查询词典 ventilation

Basing on the theory of two-phase flow of gas and solid, and the characteristics of coal mine driving working face , using the discrete phase models of computational fluid mechanics to simulate the dust concentration during the ventilation process of coal drift driving with exhaust ventilation.

根据气固两相流理论，针对矿井掘进工作面的特点，采用计算流体力学的离散相模型对掘进工作面通风过程中粉尘浓度进行数值模拟，总结抽出式通风掘进巷道中粉尘浓度的沿程分布及变化规律。

This paper introduces several common ventilation schemes of thermal power station s main workshops, puts forward the ventilation scheme suitable for thermal power station s main workshops in cold areas, that is natural air-intake, natural+mechanical air-exhaust by roof axial fan .

本文介绍了几种常见的火电站主厂房通风方案，提出了适合于严寒地区火电站的主厂房通风方案：即自然进风、自然+屋顶轴流风机机械排风。

Natural ventilation is the ventilation of a building with outside air without the use of a fan or other mechanical system.

自然通风是不使用风扇和其他机械系统进行室内外气体交换的通风方式。

Natural ventilation is the ventilation of a building with outside air without the use of a fan or other mechanical system.

自然通风是建筑物不使用排风扇或其他的机械系统而跟外面空气流通。

Methods Twenty-four patients in postoperative cardiac surgery were randomly chosen, and investigated under three fettles:(1) The patients were sent into intensive care unit on mechanical ventilation;(2) They were all conscious and on mechanical ventilation 8 hours after operation;(3) 24 hours after operation, the patients were conscious with normal breathing.

随机选择心脏术后患者24例，均在三种状态下进行对比研究：(1)患者术毕进入ICU处于机械通气状态；(2)术后8小时处于机械通气及清醒状态；(3)术后24小时处于自主呼吸和清醒状态。

Plate filter filtration efficiency of G3, the efficiency of filters, air conditioning and ventilation systems commonly used in the first level of filtering, also applies to only a filtered air-conditioning and ventilation systems.

板式过滤器的过滤效率有G3，这种效率的过滤器，常用于空调与通风系统的第一级过滤，也适用于只需一级过滤的空调和通风系统。

The calculation of fire prevention is studied using fire net ventilation method in extra-long highway tunnel of Zhongnanshan Mountain where the full jet flow ventilation system is used.

采用火灾网络通风的计算方法，对秦岭终南山特长公路隧道在全射流通风方式下的火灾情况进行计算研究。

Our successful products are as follows:Coarse Filter Cotton,Ceiling Filter,Floor Filter,Heat-Resistant Air Filter,all kinds of Pocket,Foldaway Filters,Primary Filter,Secondary Filter,HEPA Filter,Activated Carbon Filters,and all different kinds of clean products and equipments used in the cleaning room and ventilation system of HVAC(heating and ventilation application).

各类产品广泛用于：工业喷涂、汽车厂、机场、半导体厂、食品厂、通信电子、化学制药、五金塑胶、家用电器、机电设备、精密仪器、环保等各个空气净化领域。主要产品有：喷涂室用初效过滤棉、顶棉、漆雾毡，干燥箱用耐高温过滤器。初中效袋式，板式，折叠过滤器。HEPA空气过滤器，活性炭过滤器，过滤网，油烟过滤网等洁净室及HVAC通风系统的空气净化设备与产品。

Through the research on the fire burning in an atrium used as accoutrement mall, it is found that the impact of venting rate, make-up air inlets" positions and make-up air flux on a fire growth is comparatively great. At one time it is indicated that in the beginning phase a fire in an accoutrement mall is "linear and undulate" fire in terms of gravity ventilation. Whereas, it is "fire in terms of mechanical ventilation.

本文对用作服装商场的中庭建筑的火源燃烧特性进行了研究，发现排烟量、进风口位置及进风量大小等都对火源的发展有较大的影响；同时，实验分析还表明：自然排烟条件下，服装商场火源在起始阶段为&线性脉动&火源；而在机械排烟条件下，服装商场火源在起始阶段则为&&火源。

Machinable a variety of custom-made machinery and a variety of decorative guard plate, various models of machine screen, thermal network, the ventilation network, filters, filters, filter network, network silencers, oil slurry at the end of net cage on the ground grain depot network engineering and installation of ventilation.

可加工定做各种机械护罩和各种装饰用孔板，各种型号机筛网，散热网，通风网，过滤网，过滤器，滤芯网，消音网，石油泥浆底网，粮库地上笼通风网工程及安装。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。