Based on dynamic load calculation and the cooling and heating characteristic curve of the practical air/water heat pump residential central air conditioning, this paper calculates hiemal and aestival electric consumption and seasonal efficiency of air/water heat pump residential central air conditioning, and compares its economy with that of separate type room air conditioner .

在動態(tài)負(fù)荷計(jì)算的基礎(chǔ)上，按實(shí)際運(yùn)行的空氣/水型戶式空調(diào)機(jī)組的制熱與制冷特性曲線，計(jì)算了該種戶式中央空調(diào)系統(tǒng)冬夏季耗電量與季節(jié)效率HSPF及SEER，并在此基礎(chǔ)上與采用分體式空調(diào)器方案作了經(jīng)濟(jì)性比較。結(jié)果表明欧美性爱A片免费看，在具有典型夏熱冬冷氣候特點(diǎn)的湖南衡陽地區(qū)，住宅建筑空調(diào)采用空氣/水熱泵型戶式中央空調(diào)系統(tǒng)是可行的

The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

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Based on the data analysis and numerical simulation, the Arctic sea ice climate variability was researched, the result were as following:(1) The analysis on the seasonal cycle of the Arctic Ocean and atmosphere showed that: The seasonal surface wind is somewhat trade wind like in some regions in the Arctic. The surface air temperature is robustly determined from the underlying environments such as sea ice and Greenland glaciers. In the sea ice region the precipitation rate is larger than that of evaporation. Furthermore, the Arctic Ocean hydrology is profoundly influenced by the surrounding rivers discharge. These are the decisive factors on the ocean salinity pattern. Sea ice flux through the Fram Strait is larger in winter than in summer. From the 40s in the 20th century on, the ice volume flux has an increasing trend. The Arctic rivers flood season is about the melt period, the winter rivers discharge has a significant increasing. Correlation analysis shows that 7 to 10 years is a characteristic time scale that rivers discharge leads Fram Strait ice volume export.(2) Considering 9 major arctic rivers, the Arctic Ocean circulation was simulated through BOM. The result shows that: The BOM can reproduce the main Arctic Ocean circulation pattern. The"Islandization"which is commonly used in OGCMs to treat the North Pole, not only influences the ocean current near the pole, but also influences the current in the Northern Atlantic Ocean, thus the bogus island might influence global climate through thermohaline circulation in the Atlantic Ocean.

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