查询词典 downward ventilation

Methods Forty aged patients with acute cardiogenic pulmonary edema were randomly divided into two groups. Therapy group were treated with BiPAP ST-D-30 mechanical ventilation by face mask in addition to routine drug,and control group were treated with routine drug and sucking oxygen through nose pipe.

对40例老年心源性急性肺水肿患者随机分组，治疗组常规药物治疗加BiPAP面罩ST－D－30呼吸机正压通气，对照组常规药物治疗加鼻导管吸氧。

Article 83 In the spirit of helping production, making things convenient for people'slives, enhancing unity and mutual assistance, and being fair andreasonable, neighbouring users of real estate shall maintain properneighbourly relations over such matters as water supply, drainage,passageway, ventilation and lighting.

第八十三条不动产的相邻各方，应当按照有利生产、方便生活、团结互助、公平合理的精神，正确处理截水、排水、通行、通风、采光等方面的相邻关系。

Natural lighting and ventilation are guaranteed on each level through blades of light, skylights and openings.

每层都通过光栅格、采光井和中空处理，确保了自然光和通风。

By the way of integration of the natural draft through skylights and machinery ventilation, the malpractice due to too many fans has been resolved and operation cost has been reduced.

通过以天窗排风为主的自然通风和机械通风相结合的方式，解决屋顶风机过多带来的弊端，降低运行费用。

This paper studied a new type greenhouse with double skins inflated roof and double layer glass wall suit for Chinese high cold areas. According to production arrangement, by controlled local piping ventilation, When the air velocity was 1 0 m/s near outlets, the temperature in tunnels of tulip seedbeds in greenhouse can be maintained between 2～8℃.

简要分析了适用于我国高寒地区气候特点的现代化双层充气膜—双层玻璃温室的设计特点，针对温室冬季花卉生产工艺上的具体要求，通过管道局部送风控制室内小气候，当风速为1.0m ／s 时，郁金香苗床内气温可维持在2～8 ℃之间，保证了郁金香促成栽培所需要的温度。

Metallurgy, petroluem, shipbuilding, chemical industry, wharf, platform, railing, scaffold, passage, trestle, trench faceplate, paddle board, light filtering curtain, ventilation and light filtering facilities, municipal water work, power plant, sewage and waste disposal site.

冶金、石油、造船、化工、码头、平台、栏栅、脚手架、走道、栈桥、沟面板、踏板、太阳帘、通风透光设施，市政水厂、电厂、废污处理场。注

This article gives the features of the general arrangement and ventilation system of SS5 passenger electric locomotive.

文章介绍了SS5型客运电力机车总体布置和通风系统的特点。

The AIR FLEX CONTROL back panel provides exceptional ventilation for rucksacks designed for intensive and user- definable use.

为背包提供非同寻常透气的 AIR FLEX CONTROL 背负系统，主要是著重需要加强透气。

The ventilation rete doesn′t hold a constant level,and its varying is irregular.

在本研究中，排气量并未始终保持在一个稳定的水平上，其变幅较大且无甚规律可循。

In recent years, the immemorial technique of natural ventilation has reacquired recognitions because of appearance of various problems of the applications air conditioning application.

近年来，由于空调应用中各种问题的出现，自然通风这项古老的技术重新得到了重视。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。