空气的

Based on the analysis results and the principle that the concentration of the contaminants in a mine varies in a constant ratio and the degree of their hazard varies in an arithmetic progression,the evaluating indicators were determined for the air quality in a uranium mine,and an evaluation model was proposed for the evaluation of the air quality in a uranium mine based on integrated scale index on ...

该模型克服了传统评价方法主要从辐射危害的角度进行评价的局限，能综合评价铀矿山井下空气的质量。采用该模型对某铀矿井4个用风点的空气质量进行了评价，获得了4个用风点空气质量综合评价等级和应采取的相应的对策。评价结果能为铀矿井通风系统的设计和空气质量的安全评价提供参考。

Acid rain the ozone layer 空气污染 acidic pollution ozone air pollution causes of acid rain chemical products trees SO2 O2 HCl condition of the ozone layer effects of acid rain acidic rain àHow measure acids atmosphere

空气污染(学科：化学年级：高中三年级)执教者：市北中学徐云蕾 1、空气污染已经成为人们关注的话题，本节课主要讨论空气污染的两个方面：酸雨和臭氧层空洞。

Air resistance of counterflow closed circuit cooling tower is detailed tested, air flow regularity inside of the new tower is discussed and air flow characteristics through cooling bundle of tubes is analyzed.

在该实验台上详细测试了在封闭式冷却塔内空气与水逆向流动条件下，空气流经冷却盘管的阻力，探讨了封闭式冷却塔内空气的流动规律，分析了空气流过正三角排列管束的特性。

The depurator could purify air microorganisms at the workshop, with a purifying rate of 53.1％, but it did not reach the standards of clean air.

空气净化器虽然能够净化生产车间中的空气微生物，但其净化率为53.1％，净化后的空气未达到洁净空气的标准，因此还应同时采取其他相应净化措施。

According to people who had moustaches, inhaling the air component quantitative analysis and found that the air sucked into the presence of dozens of hazardous substances, including phenol, toluene, acetone, isoamyl asked diene, and other carcinogens,, Who had moustaches, who inhaled the air pollution index, is 4.2 times that of ordinary air.

据对留有胡子的人吸入的空气成分进行定量分析，发现吸进的空气中含有几十种有害物质，其中包括酚、甲苯、丙酮、异戊问二烯等多种致癌物，留有胡子的人吸入的空气污染指数，是普通空气的4.2倍。

The introduction of extended corresponding state parameter θ can reflect effectively hydrogenolysis on water at the region of high pressure and low temperature and improve the precision of the second virial coefficients of water and humid air.

本文目的是运用对应态原理对高温、高压、湿空气的第二和第三维里系数进行研究。1湿空气模型干空气采用美国国家标准和技术局的标准空气

The cycle flow and calculation models were given in terms of the operation characteristic of the cycle.

得出循环COP值、制冷量与湿空气出口处工作溶液与空气的水蒸气分压力差随热空气温度、环境空气温度和相对湿度之间的关系。

Bioclimatic architecture realizes low energy-consumption natural ventilation: the squama-curtain of TBA TOWER has opening window and special ventilation fan, realizing air ventilation across both sides of the mansion through pressure difference between windward side and leeward side, under the condition of no pressure difference, it can form chimney effect through vacant areas in the mansion, create negative pressure in the internal capsule, import air into device layer and discharge it, realizing the circulation of fresh air, not only saving energy and improving air quality in the room, but also bringing benefits to the health and mind of inhabitants.

生物气候建筑实现低能耗自然通风：TBA TOWER鱼鳞状外幕墙设计有开启扇及专有的通风器，通过建筑迎风面与背风面的压力差实现建筑两面的窗户空气流通；在没有两面压差的情况下，可通过建筑内的挑空区形成烟囱效应，在内囊造成负压，将空气引入设备层排出，实现新鲜空气的流通，既节能、又可改善室内空气品质，利于居者的身心健康

Comparing with conventional air handling process, the liquid desiccant air-conditioning system can dehumidify air without cooling down to its dew point. Meanwhile, counteraction cooling and heating can be avoided, which usually happened in conventional air handling process and led to huge energy waste. In addition, during the air handling process no condensation water separates out of the air in the liquid desiccant air-conditioning system, thus, avoid fungi thrives in moist environment of traditional air handling process. Not only being applied in dehumidification process in summer, the system can also realize humidification process in winter conditions efficiently.

与传统的空气处理方式相比，采用溶液式空气处理方式，具有如下优越性：取消了冷凝水表面，消除了霉菌等生长所需的潮湿环境；既可以对空气除湿处理，又能实现冬季对于空气的加湿处理过程；可方便调节处理后的相对湿度，不再是常规冷凝除湿方式中接近100%相对湿度的出口空气参数；避免了常规空调系统冷凝除湿后温度过低还需再热带来的冷热抵消问题；可以充分利用低品位能源如太阳能和废热实现溶液再生，节省系统电耗。

When the entering temperature of the secondary air is lower than the dewpoint temperature of the primary air, there may be a dehumidifying cooling pro-cess in the primary air passages.

如果。二次空气的入口温度低于一次空气的露点温度，一次空气的冷却有可能是去湿过程，祖一次空气的通道中会有结露现象。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。