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High Altitude Heating and Air provides clean and cost- effective comfort year-roundto residents in the Greater Colorado Springs area.Contact Us WHO WE ARE About Us As a family-owned business focused on residential HVAC Services, going the extra mile for you is key. We are proud to say ...
THE Air Ministry has recently authorised the construction of two new experimental aeroplanes, one for high-altitude and the other for long-distance flights. The high-altitude machine will presumably be used for exploring the question of flight in the stratosphere, which is usually taken to mean ...
Until now, the study of urban heat island phenomenon had been carried out focusing only on the effects of urban high temperature on human health (such as heat stroke and sleep disturbance). In this study, we focus on the effect of urban heat island phenomenon on air pollution. In ...
Therefore, the paper proposed an anti-freezing system of high altitude and high geothermal tunnel based on air source heat extraction. Taking the Zilashan tunnel of the Sichuan-Tibet Railway as an example, the steady heat conduction calculation method of the heat extraction tunnel (HET) was ...
美 英 un.高速飞行 英汉 网络释义 un. 1. 高速飞行 例句 释义: 全部,高速飞行
The way of heating air by using high temperature-air container was designed for the measurement of the heat deflection temperature(HDT)of polymer materials. 提出了采用加热空气介质的高温空气槽测定材料热变形温度(HDT)的方法,通过几种高分子材料在油浴中及高温空气槽中测定HDT值的比较。5...
EB-PVD technology utilizes high-energy electron beams to bombard evaporative materials under vacuum conditions, rapidly heating them to convert into atomic and molecular forms, which then condense onto the preheated substrate surface to form a coating. EB-PVD coatings have a unique columnar crystal ...
1.The way of heating air by usinghigh temperature-air containerwas designed for the measurement of the heat deflection temperature(HDT)of polymer materials.提出了采用加热空气介质的高温空气槽测定材料热变形温度(HDT)的方法,通过几种高分子材料在油浴中及高温空气槽中测定HDT值的比较。
In high altitude areas, ambient carbon monoxide (CO) concentrations are rising because of the increasing number of new residents and tourists, and their concomitant use of motor vehicles and heating appliances. There are, however, comparatively few studies of the acute or chronic physiological effects...