降水場合 的英文怎麼說

中文拼音 [jiàngshuǐchǎng]
降水場合 英文
precipitation event
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : 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...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 場合 : occasion; situation
  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配置,渦度、散度、垂直速度等物理量,與暴雨的落區都很吻的;低空急流的產生不僅有利於汽的輸送,而且高低空急流的耦造成了有利於強上升運動的配置;鋒生強度隨著系統的發展變化,並影響強度。
  2. Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain

    將模擬的雲、風、壓與實況資料進行對比檢驗,在控制模擬效果較為理想的情況下,結衛星、 doppler雷達觀測和常規天氣資料,對整個對流風暴的發展演變過程進行分析,並著重對強對流風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。
  3. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的汽來源; ( 3 ) 、低空急流不但為暴雨輸送汽,其造成的較強的垂直環流也是產生強的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  4. The market timing ability of mutual fund managers can be defined as the ability to anticipate whether the general stock market is going to rise or fall and to adjust the composition of their portfolios accordingly. that is, if the managers think they have the ability to anticipate that the market is going to rise, they shift the composition of their portfolios they manage from less to more volatile securities. if they think the market is going to fall, they shift into the opposite direction

    證券投資基金(以下簡稱「基金」 )的擇時能力是指基金經理的市時機把握能力,即如果基金經理相信自己能夠準確預測市趨勢,他將根據期望的市走勢調整其投資組的風險平,在預測市收益上升時增加組的風險平,下低組的風險平,通過高風險資產和低風險(或無風險)資產之間的不斷轉換來獲取超額收益。
  5. It was well known that the main process of precipitation formation was collecting cloud water in the warm area and ice phase particles melting in the cold area. positive vertical velocity existed between 700hpa and 500hpa in the warm area and near surface in the cold area. wind convergence existed at the height of 700hpa, and divergence existed above and below the height of 700hpa

    通過對雲系的綜研究,建立了河南省春季層狀雲概念模型:暖區主要通過雲碰並形成,冷區機制以冰粒子融化等冷雲過程為主;暖區700一50ohpa通常有上升氣流,冷區上升氣流分佈在近地面附近: 700沖a存在風的輻,其上下則主要是輻散區;汽主要集中在7o0hpa高度上,暖區汽來自南、東南方向,冷區汽以西南輸送為主;暖區位勢不穩定分佈在o 。
  6. Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years

    本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季和ncep再分析的歐亞500hpa高度等資料,利用eof 、 svd 、小波分析、成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部的影響,並對、高度和海溫三者之間的關系進行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻率高,持續時間長,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間長,強度增大,事件起始於正海溫距平。
  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 」強與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量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的發展與維持。大尺度形勢分析表明,東高西低形勢、低空急流的建立和高低空形勢的配置決定了這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 )偏南和偏東氣流汽通道在西北地區東部交匯,汽的輻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,產生的凝結潛熱釋放是強區大氣的主要熱源。
  8. Genetic analysis shows that it may be caused by the difference of the response of each area to winter monsoon ' s abnormal, the kuroshio and our offshore is influenced mostly by heat flux between the sea and atmosphere, but in the other areas, the abnormal current incited by abnormal wind has decisive effect on the change of the sea temperature, at the same time, air pressure also has some impact on the sea temperature

    其區域性形成的原因主要可能是因為各海區對冬季風異常的響應方式不同,強冬季風使得黑潮與我國近海海洋過多散熱,海溫低;在西北太平洋暖池北部,強冬季風引起西風異常,從而引發異常氣旋性環流,海下沉加熱其表層以下海,同時異常環流使得更多東側異常暖向西加熱其表層;在黑潮與親潮交匯處的升溫也主要是由於強冬季風導致的流異常,海下沉升溫。
  9. Based on t213 and other observational datasets, a severe heavy rain occurred in changjiang - huaihe basins during 4 - 5 july 2003 is studied. the primary diagnostic analyses show that double or single block is the characteristics of the macroscale circulation in this rainfall process. the strong conflict of warm and cold mass, mesoscale convergence on meiyu front, shear line, and stably maintaining of high and low jets make for the rainfall

    本文採用地面高空常規資料,每6h一次的資料,以及t213數值預報資料,對2003年7月4 - 5日發生在江淮地區的一次梅雨鋒暴雨過程的影響系統及其可能機制進行了初步的診斷分析,發現,高緯雙阻、單阻形勢是這次暴雨過程發生的大尺度環流特徵;冷暖空氣的激烈交鋒、梅雨鋒上的中尺度輻線、 700hpa 、 850hpa上的低渦、切變線以及穩定維持的高低空急流是導致這暴雨的直接影響系統;該地區維持一個高能、飽和、潛在不穩定的環境,有利於特大暴雨的產生和維持。
  10. Based on the rainfall data in autumn, an analysis of synthesis profit, such as autumn rainfall utilized in spring, the change of soil moisture, water storage variation in qinghai lake and so on, of the artificial precipitation is made

    摘要據2001年秋季人工增雨資料,結歷年秋季資料,從秋雨春用、影響地下位涵養、青海湖量盈虧等方面分析了秋季人工增雨的綜效益;並著重分析了秋季與環湖地區土壤分貯量以及第二年春季環湖天然草土壤墑情、牧草返青時間、生長狀況及產量的關系。
  11. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制分條件的肥平衡,在不同肥耦處理的條件下,研究了肥耦對玉米光特性及產量的影響,結果表明:不同肥耦處理的條件下,玉米的光速率有所不同,氣孔導度的變化與光速率的變化表現基本一致,而對蒸騰速率、細胞間co2濃度影響不大.其中,在自然條件下,有機肥和無機肥的配,有利於玉米子粒灌漿期維持較高的光速率,表現出良好的產量潛力.充足條件下,有機肥和無機肥的配,光速率及氣孔導度表現較低,表現產量有所下,說明供量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下,為充分發揮玉米的產量潛力,最佳的管理措施是增施無機肥和有機肥的配
  12. 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、 1961 2001年副高特徵指數以及1958 1998年ncep ncar再分析月平均風、高度、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汽輸送等異常特徵進行了成對比分析。對山東夏季旱澇形成的原因,從季風區汽輸送和出現異常的物理機制等方面進行了較深入的研究。
  13. The approaches establish a relationship between monthly precipitation abnormality and monthly circulation, soil moisture and temperature on the shallow and deep layers. the relationship is the precipitation diagnostic equation and its coefficients and dimensions are determined by using the observed data of huai river basin. then we select the main soil moisture and temperature attributing factors by the dimensional analysis to establish a forecasting equation of summer precipitation over huai river basin with the statistic approach

    通過將大氣中的熱量、汽收支方程與一個簡化的兩層土壤溫度、濕度方程相結,並依據月尺度大氣環流的演變特徵,推導出月距平與500hp月平均高度距平、土壤深淺兩層溫、濕度的關系;利用臺站觀測資料,使用統計反演方法確定方程中各項的系數和量級,從而找出影響的主要土壤溫、濕因子;利用統計方法建立這些因子與淮河流域夏季異常之間的簡單線性預報方程,並對1992 - 2000年淮河流域夏季趨勢進行回報。
  14. Inertial instability always existed in strong inertial stability area, furthermore, acceleration field caused these two factors can give rise to air convergence and divergence in upper level, which made cyclone strengthened and precipitation enlarged. reinforced precipitation caused latent heat enlarged again, which led to inertial instability augmented

    慣性不穩定總是伴隨強慣性穩定區存在,這兩者產生的加速度可形成高層的輻、輻散引起氣旋加強以及加大,加強又可使潛熱進一步加大和擾動槽加強,從而導致慣性不穩定加劇。
  15. The paper explored the pdf of the spatial distribution of the day precipitation. the result shows that the weibull distribution is good on describing the heterogeneous of the spatial distribution of the day precipitation in china. the exponential distribution is n ' t ideally suited to the day precipitation

    利用負指數分佈和weibull分佈擬全國范圍內的逐日平空間概率分佈模式,發現負指數分佈模式並不能很好的擬大范圍區域逐日空間分佈型,而weibull分佈的擬效果很好,表明用weibull分佈描述中國區域逐日量空間分佈非均勻性的分佈律是非常適宜的。
  16. Using the daily rainfall data of 740 stations over china and ncep daily up - ai data from 1971 to 2000, we analyzed the average mei - yu climate field. based on the climate field and mei - yu intensity index, we confirm that the year of 1999 is a typical mei - yu. besides, the intensity of mei - yu rainfall in 1999 is the highest since we had record, so the analysis of mei - yu in 1999 can present the common characteristics of mei - yu

    本文利用1971 - 2000年中國740站的日平均資料和ncep的日平均高空資料分析了梅雨氣候,利用梅雨的氣候及中國氣象局氣候診斷預測室的梅雨強度綜指數,確定了1999年是一個非常典型的梅雨年,並且1999年梅雨期間的強度是歷史以來的最高值,因此我們對1999年梅雨進行的分析有很大的代表性。
  17. In addition, based on the biot theory of consolidation and considered the influence of seepage on deep foundation pit excavation, the mathematics model is established, which is applied to the coupling of seepage and stress and considers the free surface of seepage. it is understood that the influence on the stability of foundation pit by groundwater seepage formed during deep foundation pit excavation

    考慮到滲流對基坑開挖的影響,在biot固結理論的基礎上對基坑開挖進行了滲流與應力分析,建立了耦計算模型,由此分析在深基坑開挖過程中,由形成的地下滲流對基坑開挖穩定性的影響。
  18. This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china, the potentials and techniques of artificial rain increase. through analysis of historical weather / climate and cloud physical data, developed are a number of multi - scale observational schemes including intensive observational items, and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large -, medium -, small - and micro - scale. from analysis of observed separate items, their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region, rainfall physical mechanisms and exploitation of artificial rainfall increase potentials, whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase, with the dominant results given below

    以地處中原、具有典型代表意義的河南層狀雲系為主要研究對象,在對該地歷史天氣氣候和雲物理等資料分析的基礎上,研究設計雲系多尺度觀測方案(包括加密觀測項目、觀測時空解析度) ,實施有設計的外觀測,獲取雲系結構多尺度(大、中、小、微)配套的實時觀測資料;通過對各種觀測資料的分項和綜處理分析,以典型個例觀測和數值模擬分析研究為重點,綜多個例分析,研究河南層狀雲系多尺度宏微觀結構特徵、物理機制和人工增雨潛力條件,建立典型層狀雲系人工增雨概念模型,研究科學的人工增雨作業技術系統。
  19. Upon using an artificial neural network ( ann ) a new short - term climate forecast model with the monthly mean rainfall in june in the north of guangxi as predictand is established making empirical orthogonal functions ( eof ) to the 36 predictors ( 15 ssa predictors, 21 500hpa height predictors ) with over 0. 05 significant correlation level of previous 500hpa height and sea surface temperature ( sst ) field, and selecting the high relative principal components, at the same time, a new approach of constructing ann learning matrix is developed. predictive capability between the new model ( principal components ann model ) and linear regression model for the same predictors is discussed based on the independent samples and historical samples

    本文通過對廣西北部6月平均量(預報量)同北半球月平均500hpa高度和北太平洋月平均海溫進行相關普查,選取了前期36個同預報量相關顯著平達到0 . 05以上的預報因子( 15個海溫預報因子, 21個高度預報因子) ,並運用自然正交函數展開方法對這36個前期預報因子展開,取其中同預報量相關程度高的主成分,結人工神經網路技術,提出了一種新的構造人工神經網路學習矩陣的方法,建立了一種新的短期氣候預測模型。
  20. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
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