air change 中文意思是什麼

air change 解釋
換氣次數
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • change : vt 1 改變，變更，變換，變革。2 交換；兌換；把（大票等）換成零錢；把（支票等）兌成現金。3 換（車、...
  1. He will be pleased to have a change of air.

    他將非常樂意換換環境。
  2. Though the study on the long - term of no - tillage and ridge culture in this dissertation, the research results are as follows : 1 ) nt can change the wee terrain and change the conditions of air and water, which leads to the seasonal fluctuation of the main kinds of microbes such as bacterica, foungi, azotobacter and cellulose decomposing bacteria

    3 ，聚土壟作（包括冬水壟作、兔耕壟作、免耕廂作）的平均增幅為156 2 ，有機質和速效氮也有同樣的趨勢；全磷和速效磷、全鉀和速效鉀隨作物的種類、生長周期、水分和氣溫的變化而變化。
  3. The army still hasn't figured out a way to change the air in a blackout tent.

    防空帳篷的通風問題，部隊直到今天還拿不出一個解決的辦法來。
  4. We use the regional air quality model chimere driven by meteorological fields from regional climate change simulations to investigate changes in summer ozone mixing ratios over europe under increased greenhouse gas ( ghg ) forcing

    研究者使用區域性的空氣品質模式（ chimere ）來模擬氣候條件所增加之綠室氣體對于夏季臭氧混和比例之改變情形。
  5. High qualified aluminum alloy non - clapboard type high efficiency air filter is in set and sealed with liquid, with the advantages of ultra thin, light weight, low resistance, high efficient, reliable and convenient to change

    採用高品質鋁型材無隔板高效過濾器和液體密封技術，超薄輕質、低阻高效、密封可靠、更換快速便捷。
  6. There the water - flower was the lily ; the crowfoot here. either the change in the quality of the air from heavy to light, or the sense of being amid new scenes where there were no invidious eyes upon her, sent up her spirits wonderfully

    也許是空氣的性質從沉悶到輕松的變化，也許是她覺得已經到了沒有人用惡意的眼光看待她的新地方，於是她的精神奇妙地振作起來。
  7. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  8. It does not need much area, not any pollution, not consuming much electricity power, not need much cost. gshp combined floor radiation air - conditioning system possess high seasonal average cop value and great capacity of edaphic depositing heat energy, can ease up supplied water temperature fluctuating with the change of the outdoor air temperature

    地源熱泵技術聯合地板輻射對房間進行冷暖聯供的形式，具有地源熱泵季節性平均性能系數高、土壤蓄熱能力強、能緩解空氣源熱泵存在的供冷供熱能力隨環境溫度波動大的矛盾等優點。
  9. The theoretical calculation and the experimental result indicated that, after temperature compensation, this kind of new hotwire air mass flowmeter still had high measuring accuracy when the environment temperature had wide range change

    理論計算和試驗的結果表明，經環境溫度補償后，這種新型熱線式空氣質量流量計在大范圍環境溫度變化下仍具有較高的測量精度。
  10. Colorless or light pale yellow liquid with the odor of leaves of ilex, soluble in alcohol, ether, slightly soluble in water, easy to change color in the air

    本品為無色或淡黃色的油狀液體，有冬綠樹葉的香味，能溶於乙醇乙醚，微溶於水，置空氣中易變色。
  11. A method of determining air change rates in detached dwellings

    獨立住宅空氣交換率測定方法
  12. The works would include creation of negative pressure gradient in wards, provision of 100 per cent fresh air supply and dilution of bioload in sufficient air change rates, installation of high efficiency particulate air filters to filter out droplets and aerosols, and the provision of en - suite toiletshower facilities in ward cubicles where building structure and existing building services installations permit

    工程將包括在病房內製造負氣壓坡度；以足夠的換氣率，供應百分之百的新鮮空氣以及稀釋空氣中的微生物含量；安裝高效能空氣粒子過濾器，過濾飛沫和噴霧；以及在建築結構和現有屋宇裝備許可的情況下，在病房單間內提供獨立洗手間和淋浴設施。
  13. Thermal insulation in buildings - determination of air change in buildings - tracer gas dilution method

    建築物的隔熱性.建築物中空氣流通性的測定.示蹤氣體稀釋法
  14. 1. sterilize and remove smell, eliminate fatigue. negative ion also be named as hydroxyl ion, it reacts with germ, mildew etc in air, change their molecular structure, with the help of ultraviolet radiation, it could sterilize and remove smell

    1 .殺菌除味消除疲勞：負離子又稱氫氧基離子oh - ，它與空氣中的病菌，黴菌等物質發生反應，改變它們的分子結構，輔以紫外光波，可以殺滅病菌，去除異味。
  15. Standard test method for determining air change in a single zone by means of a tracer gas dilution

    用示蹤氣體稀釋法測定單區內空氣變化的標準測試方法
  16. Thermal performance of buildings - determination of air change in buildings - tracer gas dilution method iso 12569 : 2000 ; german version en iso 12569 : 2000

    建築物熱性能.建築物中空氣變化測定.示蹤氣體稀釋法
  17. Dilution of bioload by having air flowing from lower to higher risk areas with sufficient air change rates

    確保有足夠的換氣率將空氣由低風險區流向高危區以稀釋空氣中的微生物含量
  18. Adopted the questionnaire form to do subjective estimation for thermal sensation 、 thermal comfort 、 effects of ventilation air change and so on in ceiling air conditioning system, parietal air conditioning system and ufad. and tested air parameters and calculating estimated indexes that are used to reflect thermal environment and thermal comfort. the results suggested the characteristic of saving energy and improving indoor air quality

    通過問卷調查形式，對頂棚送風、側送風及地板送風三種送風方式下的人體熱感覺、熱舒適感及通風換氣效果等進行了主觀評價，並通過對環境參數的測量，計算反映熱環境和熱舒適性等的評價指標，結果表明地板送風空調系統具有節能和提高室內空氣品質的特點。
  19. The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue

    攀峽者2 ：攀峽的危險有墜石、索具出現問題、泛洪、以及冰凍的水和空氣、攀峽者體溫過低、獲救的機會幾乎為零。
  20. Measuring air - change effectiveness

    空氣交換效果的測量
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