And the results indicate: the ratio of fin spacing to fin height exerts influence on total resistance of heat sinks in significant measure, there are figures at the end of this paper, that plot heat transfer coefficients and resistances when fin dimensions amount to different values.

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Meanwhile the heat recovery installment will select to the later actual engineering project in has the very good instruction significance. At the same time, in the economic analysis aspect, the article uses the new economic analysis method, calculates entire heat interchanger price which the Wuhan area the different function building air-conditioning system unit amount of wind may accept, this will call the roll of officers and assign them tasks to the Wuhan area later actual engineering project in the heat recovery installment selects has provided one directly, more convenient, more practical more and feasible method.

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The amount of solution elevation, the vapor amount and the maximum height of the elevated solution are related to different heat loads.

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The results were gained that correspond to different heat load, amount of solution elevation, vapor amount, maximum height of the elevated solution, the minimum submersed depth of solution.

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The outgas types and amount of different gas resource varied with the different geological conditions and evolution processes. There are four outgas models including the model in which inorganic gas directly overflows from mantle matter through lithospheric fracture,the model of heat flow piercement outgas,the model of volcano-magma outgas,and the model of carbonate rock outgas due to heat metamorphism.

對氣藏成藏條件和深部殼幔結(jié)構(gòu)的研究表明，松遼盆地存在多種類型無機(jī)"氣源"免费看黄网站在线观看免费最新，由于賦存的地質(zhì)條件和演化過程不同天天透天天狠狠狠的，不同氣源脫氣的方式、脫出氣體的類型在线观看美女一区、脫氣量也大不相同亚州一级特黄片免费视频在线，共有4種主要的模式：地幔物質(zhì)沿超巖石圈斷裂直接脫氣模式；熱流底辟體脫氣模式国产公开免费视频；火山—巖漿成因模式一特级黄片视频；碳酸鹽巖熱變質(zhì)成因模式。

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In the meantime, Ingersoll and plass Kelvin line source in accordance with the concept of the underground pipe line heat source heat exchanger theory, but at that time because of low energy prices, high system costs, has not been widely applied. 70 era, the oil crisis put people's attention to the energy-saving, cost-effective use of energy, so that the development of ground-source heat pump into the climax stage, when the underground pipe from an early plastic pipes replaced by the amount of possession.

在此期間五月天色小说，Ingersoll和Plass根據(jù)Kelvin線源概念提出了地下埋管換熱器的線熱源理論精品欧美在线精品欧美在线，但當(dāng)時由于能源價格低，系統(tǒng)造價高亚洲大型综合，沒有得到廣泛應(yīng)用日韩另类制服丝袜自拍视频在线。70年代，石油危機(jī)把人們的注意力集中到節(jié)能亚洲色偷偷偷第一综合网、高效益使用能源碰碰视频国产，使地源熱泵的發(fā)展進(jìn)入了高潮階段，此時地下埋管已由早期的金額管改為塑料管超碰超碰在线播放。

They say it cuts the smoke and dangerous gases by up to 80 percent, compared to open fires or simple traditional stoves. The cook stove was designed to produce the greatest demounted amount of hit heat in the shortest demounted amount of time and with the least amount of fero fuel .

他們說這種爐灶能夠減少的煙霧和危險的煤氣久久久性交，相對與明火和簡單的傳統(tǒng)爐灶提高了80%這種爐灶的設(shè)計(jì)原理是在最短的時間和使用最少的燃料來產(chǎn)生最旺的火。

Compound lead salt stabilizer to further enhance the thermal stability in order to reduce the amount of resin in the unit: Organic tin heat stabilizer dibutyltin in greater toxicity, are not suitable for plastic heat stabilizer; Mercaptans by organotin anti - Cu-poor, it is not appropriate in the wire, cable products, but no contact for copper products is no problem; lead salt-type heat stabilizer in most industrial countries are being banned or restricted.

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