正常大氣 的英文怎麼說

中文拼音 [zhēngcháng]
正常大氣 英文
normal atmosphere
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 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...
  • 正常 : normal; regular; average
  1. Water vapor is a normal constituent of the atmosphere.

    水蒸組成部分。
  2. 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。
  3. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫梯度高於凹陷邊緣,地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖壓實存在壓實、欠壓實和過壓實三種類型,砂巖儲層段壓力類型可分為和負壓兩個系統,地層抬升剝蝕是導致儲層負壓系統形成的主導因素;凹陷獨特的溫壓場特徵對烴源巖成熟、油生成、油勘探領域的擴及勘探方向的選擇等具有重要的油地質意義。
  4. With a modest level of accuracy gilman 1985 ; livezey 1990 ; barnston 1999. users should not expect that seasonal forecast will be an accurate indicator for a single event

    它預測范圍內候距離多少有一定的準確gilman 1985 ; livezey 1990 , barnston 1999 ,但並不能準確地預測某一天事件。
  5. Lapse rate - the rate at which the temperature falls with altitude gain. a healthy lapse rate indicates an unstable day with good potential for soaring flights

    溫度梯度空溫度隨海拔高度增加而下降的固定比率。一個的溫度梯度表現,暗示一個不穩定條件,有令人滿意盤旋飛翔可能。
  6. Normally, he breathes about 16 times a minute a pint of air each time.

    情況下,他每分鐘約呼吸16次,每次呼吸1品脫空
  7. In order to examine the south motorcycle engine preignition phenomenon, using the rich burning information of the massive ions which are produced when the air cylinder is burnt, through analyzing the wave form difference between lighting a fire normally and firing early, it can be determined whether preignition occurs or not

    為了檢測南方摩托車發動機早燃現象,利用其缸內燃燒時產生量的離子電流信號所包含的豐富燃燒信息,對其火花塞點火和熾熱點火離子電流顯示的波形進行研究分析,從而確定是否發生早燃。
  8. When the electric interlocking apparatus at station do not work, we can exactly and promptly obtain, the states of switch in route, display in notebook computer by white strip light plainly, and thus increase the safety coefficient enormously and train working efficiency

    系統自成體系,當車站電集中設備停用后,使用該系統能夠及時、準確地反映進路上的道岔狀態,並將所排進路以白光帶的形式直觀地在筆記本電腦上顯示出來,提高了非情況下接發列車作業的安全系數和作業效率。
  9. In contrast with the measurement of backscattered ultraviolet solar radiation onboard satellites, ir radiance measurements in 9. 6m spectral channel at various instruments onboard meteorological / environmental satellites allow ozone estimates during both day and night. in this paper, we use ir radiance measurements within 9. 6 im spectral channels from moderate resolution spectral radiometer ( modis ) and advanced tiros operational vertical sounder ( atovs ) to retrieve total column ozone based on the operational retrieval system of national satellite meteorological center. for validating retrieval results, both ground based observation and total ozone mapping spectrometers ( toms ) ozone measurements are used and atovs retrieval results are corrected after the validation

    本文利用美國noaa衛星上的先進的垂直探測器業務系統( atovs )儀器和地球觀測系統衛星( eos )上的中解析度成像光譜儀( modis )上的9 . 6 m臭氧探測通道的輻射測值,在國家衛星象中心業務反演軟體系統基礎上,反演出了兩種儀器探測的臭氧總量,並且利用中國五個規臭氧觀測站的資料和美國研製的臭氧總量測繪光譜儀( toms )反演的臭氧資料對兩種反演結果進行驗證分析,對atovs反演結果進行了訂
  10. Unseasonable dry winter weather prevailed over most of north china up to the end of march

    到3月底止,華北部分地區都是不的乾燥冬季候。
  11. The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given

    本論文採用特殊設計的雙水電極介質阻擋放電實驗裝置,首次在氬與空的混合體中獲得了溫下的穩定方網格斑圖,並對其進行了時空動力學測量。
  12. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了:行星、行星形成;恆星、太陽、的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、體、塵埃、磁場、宇宙射線;距離階梯;星系、及活躍星系、噴流;重力透鏡;尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;霹靂核合成。
  13. With the coal gas producer furnace as heat resource, in low temperature burning, the sulfur dioxide and dust withdrawal is lower than the national standard. therefore under normal work condition, regardless of the boiler size all may achieve the smokeless running

    採用煤發生爐做熱源,由於低溫燃燒,二氧化硫及煙塵的排放量低於國家標準,因此在工作狀態下,無論鍋爐小都可以達到無煙化運行。
  14. A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection

    腫:肺部的一種病態,特徵為肺中的空間不地增,導致呼吸困難並且易於受感染。
  15. The greatest event in the polar bear ' s year - the ringed - seal pupping season - is about to begin

    地球整體溫不斷上升,南北極的冰塊亦比槨度融化得快,人類面臨重危機。
  16. On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta

    合成位相反映了太平洋ssta演變特徵,以及相對應的環流異特徵:當西風漂流區處于暖態而熱帶中東太平洋海溫偏低時,合成模型當中阿留申低壓減弱, 500hpapna指數為負異;當西風漂流區處于冷態,熱帶中東太平洋處于暖態( elnino峰值?成熟期ssta典型分佈) ,合成模型中阿留申低壓加強, 500hpapna指數為
  17. A fair amount of theoretical and experimental work has been devoted at this agency to a better understanding of nonstationary aerodynamics.

    在這方面已經有了量的理論計算和實驗工作可以更好地了解動力學。
  18. Because the system error is ineluctable for mode, it is necessary to correct the simulation fielde effectively. in this paper, based on the idea of combined eof correction, the interannual simulation of sea surface wind stress anomalies of the tropical pacific ocean by lap two - level atmosphereic model have been corrected, result of corrected erperiment shows that the corrected field is more similar to the observation field, especially on the distribution of the space. three prediction experiments also shew that correcting scheme of combined eof can improve the interannual prediction veracity of model

    在本文中,基於「聯合自然交展開誤差訂」的思想,將中科院物理研究所兩層環流模式輸出的熱帶太平洋海表風應力異的跨年度模擬場進行訂,訂試驗的分析結果表明,訂後的熱帶太平洋海表風應力距平場與相應觀測場年際變率分量的相似程度遠遠好於模式模擬的結果,尤其是在空間分佈方面的改善非顯著;三組跨年度訂檢驗結果也表明,訂後的跨年度預測結果明顯好於模式的預測結果。
  19. It is necessary to study the welding machine power supply for endless - rolling. it can assure the working reliability of welding machine, decrease the mechanical and electric fault, prolong apparatus ' s life, reduce cost and increase product quality

    它可以保證焊機工作,減少機械和電事故,延長易損件使用壽命,減低工作強度從而實現無間隙地生產鋼材,幅度提高車間的經濟效益,降低生產成本,提高鋼材質量。
  20. The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system

    ( 4 )夏季南亞高壓東西振蕩具有明顯的年代際變化特徵,本文分別討論了對應於10年周期態的位相年和負位相年及25 - 30年周期態的位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵,發現無論是10年周期態還是25 - 30年周期態,對于夏季南亞高壓東西振蕩的位相年和負位相年以上各要素場呈現為很好的反位相特徵,說明夏季南亞高壓的年代際變化與候系統中其他要素的年代際變化具有很好的關聯性,可將南亞高壓看作候系統中子系統異的強信號,通過分析南亞高壓的年代際異可以更直接地研究和預測區域候異
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