氣旋發生 的英文怎麼說
中文拼音 [qìxuánfāshēng]
氣旋發生
英文
cyclogenesis-
From 1980 to 1996, the amount of accident jet plan and turbine aerotransport which taking off weight exceed 5700kg all over the world is 621 times. in which there were 287 times wretched accident in the approach and landing phase, occupying 46 percent
從1980年至1996年，全世界最大起飛重量5700公斤以上的噴氣式和渦輪螺旋漿運輸機發生重大死亡事故621起，其中發生在進近著陸階段的重大死亡事故287起，佔46 。The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings
顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性，以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者，八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期，在斜倚卻永不沒落的仙后座那三角形上端，一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時，出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時，出現在仙女座中之後又消失，小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失，以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。The result shows that : the sand - dust storm occured in favorable climate background that is drought and rainless, the tilted trough and mongolia cyclone are the important weather systems that caused the severe sand - dust storm, tilted trough and strong frontal zone caused the mongolia cyclone developed and the clod front strengthened at surface, high jet and ferrel circulation are the main reason that momentum spreaded downward from higher level and frontal zone strengthened on lower level
結果表明：沙塵暴是在乾旱少雨的有利的氣候背景下產生的。斜壓槽和蒙古氣旋是觸發這次強沙塵暴天氣過程的重要的天氣系統，高空斜壓槽和強鋒區促使了地面蒙古氣旋的發展和冷鋒的加強，誘發沙塵暴天氣。高空急流及其下方的ferrel環流起到了高層動量下傳和加強低層鋒區的重要作用。The diagnostic analysis for the sandstorm process on the base of height, temperature, pressure and wind etc output from the model shows that the upper cold trough, low - level wind shear, surface cold anticyclonic ridge, mesoscale cyclone and cold front are the main synoptic systems, surface cold anticyclonic ridge and cold front provide condition of wind force to occurrence of the sandstorm weather, the strong mesoscale cyclone before front makes pressure gradient before and after cold front obviously strengthen, moreover, and it increases obviously the temperature of the controlled area, as a result, the updraft movement caused by convergence before front strengthens
500hpa強鋒區、 700hpa切變和鋒前中尺度系統的強弱及位置變化是沙塵暴天氣發生發展到減弱的直接原因。地面冷高壓、地面氣旋及冷鋒是造成本次沙塵暴天氣的主要地面天氣系統。地面冷高壓及冷鋒為沙塵暴天氣的發生提供了風力條件，而中尺度氣旋使冷鋒前後氣壓梯度明顯增強外，又使所控制的區域增溫明顯，使鋒前輻合上升運動加強，為沙塵暴天氣的發生提供了熱、動力條件。If a decadal positive temperature anomaly occurs in the eastern tropical pacific, the atmospheric response excites a anticyclonic wind stress anomaly in the east of australia, which will lead to generate a negative temperature anomaly in the western tropical south pacific
當熱帶東太平洋的海溫為暖異常，它將激發澳大利亞的東部沿岸的大氣產生反氣旋性風應力異常，在這種風場的作用，下方海水向四周輻散，導致熱帶西南太平洋的溫躍層變淺，產生負的溫度異常。The magnitude of these variables increased approximately ten times. it helped the rapid releasing of instability energy. the interaction of high - level and low - level mesoscale system leads to the rainstorm. the vertical cross section analysis of potential temperature tells us that rainstorm take place in the warm - moist and instability area. usually locate in the very stiff moist isentropes and it can lead to the development of vortex
通過對相當位溫的垂直剖面分析，可知兩場暴雨的中低層都為暖濕不穩定區，暖濕不穩定區上部冷空氣明顯擴散，暴雨產生在暖濕對流不穩定區內，通常產生在_ e陡峭和密集區中， _ e陡峭和密集區有利於渦旋發展。The climatic characteristics of explosive cyclogenesis in the northwest pacific
西北太平洋爆發性海洋氣旋發生發展的氣候學特徵Finally, the srh, ehi, brn and sbrn, ssietc severe convective storm parameters are introuced. the case study during " 03. 7 " meiyu period showed that all the parameters are effective for prediction of the severe storm ' s occurrence and development, and have a worth of extending in our actual prediction work
最後，文中綜合介紹了螺旋度srh 、能量螺旋度ehi 、粗理查遜數brn及簡化的粗理查遜數sbrn 、風暴強度參數ssi等強對流風暴的環境參數，並將這些參數應用於實例分析，結果表明：風暴參數產品對中尺度強對流風暴的發生發展有一定的指示作用，值得在氣象業務工作中去推廣。The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area
對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析，發現各物理量場在沙塵暴發展的不同時期有著很好的配置，揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值，低層正值，螺旋度大小的演變與沙塵暴的出現有一定的對應關系。The southeast low - air jet accompanying the tropical cyclone transported plenty of heat and moisture for the storm, the low - level heating and wetting weakeed the stability of the air, and the weak cool air intruded from the low - level and stimulated the convection, thus leading to the heavy storm
伴隨登陸熱帶氣旋生成的低空東南急流為暴雨輸送了豐富的熱量和水汽，低層增暖增濕促使層結不穩定加劇，而西風帶弱冷空氣的侵入對暖濕空氣具有抬升作用，可觸發對流發展和不穩定能量釋放，導致大暴雨產生。The salinity distribution characteristics are the high - salinity in the bohai bay and the low - salinity in the boahi strait. the density distribution shows that there is a large cyclonic density circulation in bohai sea and it is likely to exist some density current gyre in the middle part of the bohai sea. in winter the saddle - like pattern of the bohai sea temperature and salinity shows that the circulation structure is much complexer than the previous research results
密度分佈表明：夏季渤海灣口已經由以前的低密度中心變為現在的高密度中心，相應的環流結構也必會發生大的變化；夏季渤海中部會存在一個反氣旋式的密度環流，並在局部可能存在多個密度流渦環；冬季渤海「馬鞍狀」溫鹽結構反映其密度環流結構要比以往研究結果復雜得多。In this paper, simple reacting flow model in solid - propellant ducted rocket combustor based on eddy break - up model is established. the model is used to simulate the three - dimensional combustion flowfields in an experimental motor. some factors how to affect the combustion efficiency are discussed in the paper, including air intake and gas generator nozzle
本文基於簡單反應的旋渦分裂模型，建立了固體火箭沖壓發動機補燃室內的湍流燃燒模型，並在該模型下對某實驗發動機進行了三維數值模擬，研究了補燃室設計參數包括進氣道出口設計參數和燃氣發生器噴管設計參數對燃燒效率的影響。Simulation results show that the surge line moved up - left relative to the original one and surge margin became larger when wet compression is used, which means wet compression can extend steady - operation regions of compressors and the si a - 02 gas turbine. at last, based on the moore - greitzer model surge and rotating stall of a compression system with wet compression is modeled with consideration of inlet evaporative cooling and compressor pressure rise when wet compression is used
哈爾濱工程大學博士學位論文最後，本文在壓縮系統moors grei上zer模型的基礎上，考慮進口蒸發冷卻的作用和壓氣機濕壓縮過程的作用，推導出了濕壓縮系統喘振和旋轉失速的統一模型，該模型可以模擬系統發生喘振和旋轉失速時的瞬態響應以及噴水濕壓縮對系統瞬態響應的影響。That might happen during the collision of two spiral galaxies, which have lots of spare gas available for making new stars
這種情況很可能發生在兩個螺旋星系碰撞時，因為這會剩下大量的氣體，可供製造新的恆星。The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify
對干位渦的分析表明：臺風或臺風環流區為高值位渦區，臺風越強，位渦中心值越大；對流層上部或平流層下部冷空氣（高位渦）的擴散南下與暖濕氣流的交匯是造成特大暴雨的重要原因，因為上游斜壓性的發展使對流層頂發生折疊，平流層與對流層相互作用增強，上下位渦區相接的形勢使低層渦旋發展，上升運動加強，位渦的下傳有效地降低了靜力穩定度，有利於位勢不穩定能量的釋放，使得暴雨增幅。Typhoon, a kind of strong warm cyclonic storms occurring over tropical oceans, is one of the most seriously disastrous weather systems. therefore, it is of great immidiate significance to study and keep informed on the law of its occurrence. development and movement. to map out scientific and proper plans as soon as possible to avoid it, and to take correct and effective measures resolutely so as to ensure safe navigation of ships and the safety of crew, passengers, cargo and ships
臺風是發生在熱帶洋麵上的一種強烈的暖性氣旋性風暴，是威脅船舶安全航行的最嚴重的災害性天氣系統之一。因此，研究、掌握臺風的發生、發展和活動規律，及早制訂科學合理的避抗預案，果斷採取正確有效的避抗措施，對于保證船舶的安全航行、保證船員、旅客和船舶、貨物的安全具有極其重要的現實意義。The relationship between cef and china summer rainfall and that between cef and tropical cyclone frequence ( tcf ) in the northwest pacific ( nwp ) are investigated. lt is found that the several branches of cross - equatorial flow have different interannual variability. periodicity and interdecadal variability. the five channels in the lower troposphere in the monsoon region of the eastern hemisphere have different relationships with china summer rainfall. the results also show that there are obvious relation between the interannual variatin of cef and tcf from july to october in the northwest pacific
確定了東半球季風區對流層高低層各支越赤道氣流通道的位置，並探討了越赤道氣流與我國夏季降水和西北太平洋上熱帶氣旋發生頻數的年際變化之間的關系。結果表明：季風區夏季的幾支越赤道氣流具有不同的年際變率、周期以及年代際的變化特徵。夏季季風區對流層低層的5支越赤道氣流的強度與我國夏季降水呈不同的相關型。China is one of the countries which are harmed by storm surge both tropical and temperate cyclones, the disaster of storm surge can occure every seasons and from south to north in china ' s coastal area. based on the analysis of the features of temporal and spatial changes of storm surge disaster in the recent 50 years, this paper focuses on the frequency changes of historical records in recent 500 years and measured data in recent 50 years of storm surge disaster and the relationships between storm frequency change and climate fluctuation. meanwhlie, the effects of future increase in the frequency of tropical cyclones landing or affecting china and relative sea level rise with global warming on storm surge disaster of china ' s coastal area also discussed. the results show that, in recent 500 years, there are direct relationships between storm frequency change and climate fluctuation, i. e., high global mean temperature correspond with high storm frequency and low mean temperature correspond with low storm frequency. storm surge disaster in china ' s coastal area will be exacerbated with global warming
中國是全球少數幾個同時受臺風風暴潮和溫帶風暴潮危害的國家之一，風暴潮災一年四季，從南到北均可發生.本文基於中國沿海近50年風暴潮災時間變化和空間分佈特點的分析，著重探討了近500年全國及長江、黃河、珠江三角洲的歷史記錄和近50年實測風暴潮災發生頻次的變化及其與氣候波動的關系，並對未來全球變化背景下，中國沿海風暴潮災的變化趨向進行了討論.結果表明:近500年來，中國沿海的風暴潮災在氣溫較高的偏暖時段比氣溫較低的偏冷時段明顯增多.近50年實測臺風暴潮災的變化也是如此，而溫帶風暴湖的變化則與此相反.未來全球變化引起的登陸影響中國的熱帶氣旋頻次增加和相對海平面的上升，均將導致風暴潮災呈加重的趨向The former one is a product of the pressure pulsation resulting from the fan blade periodically cutting the air, with the blade passing frequency as its base frequency and accompanied by higher harmonics. the wide - band turbulent noise is formed when the rotating fan forces the surrounding air to produce turbulent throw - outs and results in gas thickening and thinning processes
旋轉噪聲是由於風扇的葉片周期性地切割空氣，引起空氣的壓力脈動產生的，以葉片通過頻率為基頻，並伴有高次諧波。湍流噪聲是由於風扇運動導致的周圍空氣發生湍流脫體，使空氣發生擾動，形成氣體的壓縮與稀疏過程而形成的，是一個寬頻帶噪聲。This paper statistically analyzesd tropical cyclones that enteved the guangxi influence area during 1960 ~ 2002, and found there wave 4. 3 tropical cyclones entering guangxi influence area every year, intensity of 0. 3 tropical cyclone suddenly strengthened in intensity during june - october every year, its region distribution mainly concentrates northeast sea area of hainan island to west sea area of guangdong and beibu gulf
摘要本文對1960 ~ 2002年進入廣西影響區的熱帶氣旋進行統計分析，發現平均每年有4 . 3個熱帶氣旋進入廣西影響區，強度突然加強的平均每年有0 . 3個，發生在6 ~ 10月，其區域分佈主要集中在海南島東北部近海至粵西近海區域和北部灣海域。分享友人