水汽比 的英文怎麼說

中文拼音 [shuǐqìbǐ]
水汽比 英文
water to steam ratio
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 汽 : 名詞1. （由液體或某些固體變成的氣體） vapour2. （水蒸氣） steam
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量，包括渦度、散度、垂直速度、鋒生函數、視熱源、視水汽匯等，對這一暴雨過程有了比較系統的認識。結果表明：在江淮流域存在著有利於發生暴雨的物理量場配置，渦度、散度、垂直速度等物理量，與暴雨的落區都很吻合的；低空急流的產生不僅有利於水汽的輸送，而且高低空急流的耦合造成了有利於強上升運動的配置；鋒生強度隨著降水系統的發展變化，並影響降水強度。
  2. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  3. A comparison between microphysical characteristics derived from 3 - d cloud model and the results from trmm tmi and pr products show that the selected cloud model gives a relatively realistic hydrometeor profiles

    由三維雲模式得到的微物理特徵與由微波圖像儀tmi和pr產品提供的結果之間的對比表明，所選用的雲模式能夠給出相對真實的水汽凝結體廓線。
  4. As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account

    本文考慮海拔高度和溫度直減率受地形和經、緯度及水汽等因素的影響，通過利用高斯權重法、結合逐步訂正的高斯權重法、梯度距離權重反比法和加入地形影響項（地形因子）的兩種改進高斯權重法的方案a 、 b ，對長江流域的地面日平均、最高和最低氣溫場進行了空間化插值研究。
  5. Using the ground humidity parameter data, the precipitable water of single station was more accurate than the data retrieved from satellite data. but it was of low spatial and temporal resolutions compared with that retrieved from satellite data

    用地面濕度參量資料（地面水汽壓）估算晴空大氣可降水量，其單站的估算結果比用衛星資料反演的結果要精確，但是估算的水汽場時空解析度不如衛星資料反演的高。
  6. The relations between soil surface resistance and evaporating time, and difference of vapour pressure between evaporating plane and atmosphere were simulated. simulating result of the latter was better than that of the former

    同時，還對土壤表面阻力與蒸發時間的關系、與蒸發時間及土壤蒸發面和大氣間水汽壓差的關系進行了模擬，結果后一種比前一種模擬更符合實際。
  7. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比，本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析，並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性，為兩地暴雨預報提供有益的參考，得出了一些很有意義的結果： 1大尺度環流背景分析表明： （ 1 ） 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關，攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部，導致了這次強降水的發生； （ 2 ） 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明，東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系，存在一支橫越低空急流的經向垂直環流，暴雨區處于該垂直環流的上升支； （ 3 ）偏南和偏東氣流水汽通道在西北地區東部交匯，水汽的輻合積聚主要在對流層低層和行星邊界層內完成； （ 4 ）整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈，與切變線走向非常一致，降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  8. Spurt water column not only is a good coupling medium of ultrasonic, but also can get rid of impurity, such as power, vapor and oil film on the surface of the measured object, so this sensor can adapt various environments

    因為水柱不僅是超聲波傳播的良好介質，還可將被測物表面的粉塵、水汽、油膜等雜質吹走，使系統具有良好的環境適應能力。在惡劣環境下進行位移測量時，該傳感器具有其他儀器不可比擬的優越性。
  9. The elements of vorticity, divergence, specific humidity, moisture flux divergence and k index etc. were benefited to the form and development of storm rainfall over the rainfall region

    降水區上空的渦度、散度、比濕、水汽通量散度、 k指數等要素有利於暴雨的形成和發展。
  10. The paper works out the ice crystal spectrum distributing in the different macroscopic and micro - backgroud of the cloud ( ie, the thickness, the temperature and the supersaturation with respect to ice of the nucleation layer ). this paper also works out the amount of catalyst which is allowed in the cloud nucleation layer according to the different quantity of the supercooled water, the density of the supersaturation of the vapor with respect to ice. simultaneously, the paper discusses the i nfluence of remaining time when seeding artificial ice nucleus in the different ascending - velocity and altitude, and elicits the proper seeding altitude of the catalyst

    以此解為依據，得出了不同均流時，人工引入冰核在核化層存留時間，再以此時間作為人工冰核凝華增長時間，求出不同的雲宏微觀背景（如核化層厚度、溫度、冰面過飽和度等）下的冰晶譜分佈，經和實際資料比對符合相當好。進而求出核化層中不同過冷水量、冰面過飽和水汽密度下雲核化層可允許的催化用量。同時討論了不同升速，不同高度引入人工冰核時對其存留時間的影響。
  11. Using the summer rainfall data from twenty - six observatories in shandong province from 1961 to 2001, the subtropical high index data from 1961 to 2002 and the monthly mean reanalysis data of wind, moisture, height and olr of ncep / ncar from 1958 to 1998, the characteristics of abnormal circulation in the northern hemisphere, the abnormal strength and location of subtropical high, the abnormal strength of monsoon and water vapor transport over the areas of east asian were studied

    利用山東26個代表站1961 2001年夏季降水、 1961 2001年副高特徵指數以及1958 1998年ncep ncar再分析月平均風場、高度場、比濕、 olr等資料，對山東夏季發生旱澇的北半球大氣環流、副熱帶高壓、東亞夏季風以及季風區水汽輸送等異常特徵進行了合成對比分析。對山東夏季旱澇形成的原因，從季風區水汽輸送和出現降水異常的物理機制等方面進行了較深入的研究。
  12. The high control criteria of water vapor quality in secondary circuit of 1000 mw pwr is introduced, and the criteria are compared with those in thermoelectric generating set

    介紹了壓水堆核電站1000mw機組二迴路水汽質量的高控制標準，並與火力發電機組的水汽質量控制標準進行了對比。
  13. Vapor level is much lower compared with those in the heavy rainfall events in south china affected by geographical location and topographic characteristics, e )

    強降水產生時雲體相對較為穩定。 c ）寧夏強降水時大氣中水汽含量與南方相比顯著偏低。
  14. Until now, there have been a few reports on the damage of the water pumps caused by sand and water cavitation. by use of the test loop for solid and liquid two phases, under the condition of 3 % head drop, the damage location and relative degree of the sand and water cavitaiton occurred on the impeller were tested and researched. the result was, them, compared with the results under the condition that water cavitation occurred and no cavitation but only wear occurred. the differencts were analyzed. the analysis result can be used as the basis of the further research and the improvement of the impeller shape

    目前含沙水汽蝕對水泵損傷方面的報導甚少，本文利用固液兩相流試驗臺，對離心泵閉式葉輪在含沙水汽蝕時（ 3揚程下降點）的損傷部位和相對程度進行了試驗研究，並將此結果與清水介質發生汽蝕時的損傷情況[ 13 ]及含沙水無汽蝕情況下的磨損情況[ 7 ]相比較，對其差異進行了分析，為今後進一步探討葉輪損傷機理和葉型改進提供了實驗依據。
  15. The dynamical structure of the convective system at cl imax is studied and the air flow field is dep i cted. the ana i yses further show that north j i angsu and north annul is water vapor source of the rainstorm, and the inclining flow of wet air mass in pbl is the main water pass of convective systems

    淮北、蘇北是魯南暴雨區對流層中下層氣流的源地，其充沛的水汽是此次過程前期水汽條件改善的重要原因，除水汽平流造成比濕增加外，對流層70ohpa及850hpa較強的上升運動也是該層次濕度增加的重要因素。
  16. ( 3 ) the mean features of vapor water in the atmosphere in the east of nwc between during the great drought affair and dry years are contrasted and shows that, the precipitable water in the whole troposphere is evidently reduced, and the vapor transport is also weakened, the degree of convergence of water vapor is lessened

    （ 3 ）對比西北地區東部重大幹旱事件期間和典型濕年大氣水分平均特徵發現：干年西北地區東部全區整層大氣可降水量明顯少於濕年，且水汽輸送減弱，水汽輻合程度也有所減小。
  17. Lastly, the precipitable water ( pv ) and vapor transport flux during the great drought affair in the east of nwc in 1990s " have been analyzed and compared with what during wet years. the reason that resulted to that drought affair was studied from the point of water vapor in the atmosphere

    再次，對上世紀90年代西北地區重大幹旱事件期間大氣可降水量、水汽輸送等進行了分析，並與典型濕年進行對比，從大氣水分特徵的角度探討了這次重大幹旱事件的可能形成原因。
  18. The main results are as follows : 1. co and water vapor column contents retrieved from the solar absorption spectra are well related with the surface co concentration and surface dew point respectively

    主要研究過程和結果如下： （ 1 ）利用太陽吸收光譜反演得出的co柱總量與地面co濃度之間、水汽柱總量與地面露點溫度之間存在著比較好的相關性。
  19. ( 2 ) model correction and comparison in the process of conversion from zenith day delay to gps water vapor and precision evaluation. saastamoinen ( sa ) model and hopfield ( h ) for dry delay and bevis model for atmospheric weighted temperature are adopted

    （ 2 ）模型訂正與比較在gps水汽反演過程中，一般干延遲和大氣加權平均溫度的計算是採用「普適性」模型，目前應用較多的有saastamoinen （ sa ）模型、 hopfield （ h ）模型和bevis模型。
  20. In the first part of paper, we introduce the appliance of doppler weather radar in meteorological work in the near future, and simply enumerate all kinds of adjoint methods to retrieve data of radar. in the second part of paper, we choice some methods that are usually used domestically and overseas, compare excellence and flaw of the methods by using data of simulate wind field, analyze synthetically the precision of simulate result, the length of retrieval time and the structure of data distributing, lastly decide to regard ameliorated quasi - 4d adjoint method as retrieval technology in the paper. in the third part of paper, we retrieve the data of single doppler weather radar in hefei, anhui province, then calculate 3d wind field, streamline field, divergence, vorticity, helicity, moisture flux, divergence of moisture flux and potential vorticity from the result of retrieval

    文中第一部分對近年來多普勒天氣雷達在氣象工作中的應用作了介紹，同時簡單的羅列了反演雷達資料的各種變分方法；接下來在第二部分選取了幾種國內外常用的反演方法，利用模擬的風場資料比較各種方法的優缺點，從模擬結果的精度、反演時間的長短、資料的分佈結構上綜合分析，最後決定將已做改進的準四維變分分析方法作為本文的反演工具；第三部分就是反演安徽合肥多普勒天氣雷達資料，然後由反演得出的風場計算了各個時間各個層次的三維風速、流場、散度、渦度、螺旋度、水汽通量、水汽通量散度和位渦。
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