空氣質點 的英文怎麼說

中文拼音 [kōngqìzhídiǎn]
空氣質點 英文
air-particle
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 氣質 : 1. （個性特點） temperament; disposition; mould 2. （風格; 氣度） qualities; makings
  1. 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。
  2. As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn

    理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。
  3. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。
  4. This dissertation are researched and discussed systematically here, and designs and realizes the system of publishment and analysis of city air quality based on webgis

    基於此，論文工作對webgis的理論、技術與應用各方面的問題進行了系統的理論研究，並設計實現了基於webgis的全國重點城市空氣質量發布系統。
  5. In the following chapters, the interoperable model of webgis, multi - level b / s architecture, multi - thread for network computing and concurrent access, dcom, intelligent agent, intelligent spatial search engine, information security are discussed in detail. with these key technologies, the system of publishment and analysis of city air quality based on webgis is designed and implemented

    借鑒這些關鍵技術，在arcims的基礎上，設計並實現了基於webgis的全國重點城市空氣質量發布系統，將空氣質量狀況與空間數據結合起來，生動直觀的反映了各主要城市的空氣質量狀況，方便了用戶的查詢，為環保事業作出應有的貢獻。
  6. By the end of 2000, 47 major cities meet the state ' s air and water environmental quality standards

    到2000年底， 47個重點城市的空氣和地面水達到國家規定的環境質量標準。
  7. All those make photocatalytic technique high efficient and economical. so it plays an important part in the developing environmental coating and enhancing the quality of air, and is widely used in the field of environmental protection. on the basis of discussing source and hammess of environment pollutants, the mechanisms, kinetics and factors of effect of photocatalytic treating environment pollutants were studied on the laboratory scale in this thesis

    作為光催化劑的二氧化鈦具有無毒、化學性能穩定、氧化能力強、且不昂貴、可以重復使用而消耗很少等優點，使光催化具有潛在的高效性和經濟性，因此在開發環保型塗料、提高空氣質量中發揮了重要作用，在環保領域內獲得了廣泛應用。
  8. Last test was done in july 1998 and the results confirmed that air quality within the measured location complied with the guideline values recommended by environmental protection department. furthermore, air ducts are cleaned periodically

    最近一次測試在1998年7月完成，結果證實在測量地點范圍內的空氣質素符合環境保護署建議的指引度數。此外，本局會定期清潔空氣管導。
  9. The web site is a official website of alaska department of environmental conservation, providing a detailed introduction of his divisions, including administration, food safety and sanitation, air quality, oil and hazardous substances, solid waste, water quality. environmental news, hot topics and publications, such as newsletters and reports

    描述:該網站是美國阿拉斯加州環境保護部的官方網站，網站提供了各個部門的詳細介紹，包括：食品安全衛生部門；空氣質量管理部門；石油與有害物質管理部門；固體污染物管理部門及水質管理部門，同時對各個部門的法律也作了詳細地介紹，網站內容還包括環境新聞、熱點環境問題討論及機構出版物，如時事通訊，報告等。
  10. Various characteristics of air quality during spring festival in hangzhou urban area

    杭州市區春節期間空氣質量變化特點
  11. Provide the public with information on the air quality of various places in the region

    為公眾提供有關珠江三角洲地區各地點的空氣質素資料
  12. We have now established a prd regional air quality monitoring network. with a total of 16 monitoring stations, the network can provide comprehensive and accurate information on air quality in the prd region

    我們共同建立了珠江三角洲區域空氣質素監測網路，設有十六個監測點，可以全面提供珠三角區內準確的空氣質素資料。
  13. Choose a suitable location for density residential blocks to minimise the negative visual, noise and air quality impacts

    地點高密度住宅大廈的選址，應該以盡量不造成負面的視覺、噪音和空氣質素影響為佳。
  14. At the same time, a joint data centre will be set up by both sides to exchange real time data collected from various stations and validated data for network management, analysis and study of prd regional air quality

    同時，兩地將建立一個聯合數據中心，供交換由各監測點收集的實時數據和經核實的數據，作為網路管理，以及分析和研究珠江三角洲地區空氣質素之用。
  15. Air quality - stationary source emissions - expression of results stemming from industrial installation emission point measurements

    空氣質量.固定源排放.工業裝置排放點測量結果的表示
  16. Air quality. determination of odor. triangle odor bag method

    空氣質量惡臭的測定三點比較式臭袋法
  17. Not only can the experimental project im prove the local environment and take the important action for developing the economy of bashang, but also it root out the increasingly worsening sand blow, protect the safe cities, enrich and purify the resource of water and take the important meaning for improving the quality of air in the beijing

    為此，國家退耕還林試點工程連續兩年安排在河北省壩上六縣。示範工程不但對于改善當地環境、振興壩上經濟起著舉足輕重的作用，而且對根除北京日益嚴重的沙塵天氣、保護城市安全、維護首都形象、豐富和凈化水源、提高北京空氣質量也具有極其重要的戰略意義。
  18. There are two molders of air quality assessment in the molder base : standard index unit and api. molders of air quality assessment has been finished with mapbasic. table files in chengdu atmospheric environment geographic information system can be used directly

    建立了大氣質量評價模型庫，並將其集成到成都市大氣環境地理信息系統中，在該模型庫中，包括我國近十年來常用的標準型指數單元法和目前我國47個重點城市在進行空氣質量日報時採用的api指數法。
  19. Ceh cares the health of hong kong environment, the hygiene and air quality, and so as the health of hong kong people

    基雋關心香港的環境健康，關心香港人家居及辦公地點的室內空氣質數。
  20. Abstract : this paper summarized some methods which were often applied in air pollution forecast, introduced three mainly used models of air pollution forecast in detail, such as air quality model, gray theory model and projection pursuit regression model, analysed the practice and limitness of those models, formulated some problems which would be paid attention to on forecasting air pollution

    文摘:綜述了當前常用的大氣污染預測方法、對空氣質量模型、灰色理論模型、投影尋蹤回歸模型等3種主要的大氣污染預測方法進行了詳細介紹，重點分析討論了這些方法的實用性和局限性，闡述了進行大氣污染預測時應注意的幾個問題。
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