穩定氣流區 的英文怎麼說

中文拼音 [wěndìngliú]
穩定氣流區 英文
contour zone
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 區名詞(姓氏) a surname
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  1. 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

    綜合分析認為: ( 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軸,把源源不斷的西南暖濕輸送到遼西地,也就是急軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急不但為暴雨輸送水汽,其造成的較強的垂直環也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不,提高了模擬結果的參考價值。
  2. Based on the studies of microthermometry, gas composition, liquid composition, rare earth elements, ore - forming elements and 13c, d, 18o of fluid inclusions from the mineralization district and the representative deposits, such as zacun gold deposit, shuixie copper - cobalt deposit, shiyancun stibium deposit and bijiashan stibium deposit, two metallogenic fluid systems have been distinguished, i. e., zijinshan metallogenic fluid system and gonglang metallogenic fluid system in weishan - yongping mineralization district

    礦化集中及扎村金礦、水泄銅鈷礦、石巖村銻礦、筆架山銻礦等典型礦床體包裹體的顯微測溫、相成分、液相成分、稀土元素、重金屬元素及~ ( 13 ) c , d , ~ ( 18 ) o同位素的研究表明,雲南巍山-永平地銅金多金屬礦化集中存在兩個成礦體系統:紫金山背斜成礦體系統與公郎弧成礦體系統。
  3. 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,暖濕不上部冷空明顯擴散,暴雨產生在暖濕對內,通常產生在_ e陡峭和密集中, _ e陡峭和密集有利於渦旋發展。
  4. 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

    通過對降水雲系的綜合研究,建立了河南省春季層狀雲降水概念模型:暖降水主要通過雲水碰並形成,冷降水機制以冰粒子融化等冷雲過程為主;暖700一50ohpa通常有上升,冷上升分佈在近地面附近: 700沖a存在風場的輻合,其上下則主要是輻散;水汽主要集中在7o0hpa高度上,暖水汽來自南、東南方向,冷水汽以西南輸送為主;暖位勢不分佈在o 。
  5. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明,燃燒室進孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大;斜孔所產生的旋轉進,雖具有強化燃混合、消除死和迴焰的作用,但迴過度會使燃燒室及排溫過高;保證進排系統動阻力(壓力)的一致性,有助於保證加熱器性能
  6. The above analysis showed that this heavy rainfall event took on obvious meso - scale characters and was the combination of the three flows, so we can deduce : ( 1 ) surface southeasterly wind and topography may play the main role in this event ; ( 2 ) the easterly cold air rushing into the southern shaanxi province in the lower troposphere was strongly relative to the form of surface cold - front type of occlusion ; ( 3 ) there were two reasons for the secondary circulation ' s strengthen in the evening, one was the effect of a mountain - valley wind and the other may be latent heat leading to ascending motion ; ( 4 ) the shape of potential instability stratification corresponded well with the development of the warm - moisture advection ; and ( 5 ) the vapor providing essential thermodynamics was transported by a southwesterly low - level jet from the bay of bengal and the south china sea. furthermore, with the effect of terrain, the southern shaanxi province became the center of this extremely heavy rain process

    中尺度結構分析表明,本次暴雨具有明顯的中尺度特徵,是由三支共同作用的結果,分析發現( 1 )地面東南風和地形在這次大暴雨過程起主要作用; ( 2 )東路冷空主要是通過中低層侵入陜南地的,並與地面冷式錮囚鋒的形成密不可分; ( 3 )夜博士論文:中尺度地形對陜南暴雨的影響研究間垂直次級環發展加強可能有兩個原因,一個是由於地形山谷風的作用,另一個是降水的潛熱釋放激發了上升運動: ( 4 )位勢不層結的形成與低層暖濕平的發展有很好的對應關系; ( 5 )本次暴雨的水汽主要靠偏南風急將孟加拉灣和中國南海的水汽輸送至西北地東部,為暴雨的發生提供了必要熱力條件。
  7. 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一次的降水資料,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特徵;冷暖空的激烈交鋒、梅雨鋒上的中尺度輻合線、 700hpa 、 850hpa上的低渦、切變線以及維持的高低空急是導致這場暴雨的直接影響系統;該地維持一個高能、飽和、潛在不的環境,有利於特大暴雨的產生和維持。
  8. The results show that the weather process occurs because of typhoon trough with cold air, deep upper trough ; the southeast low - jet by typhoon transported large water vapour and great energy of instability to heavy rainfaill area ; cold air, lower convergence and upper divergence by deep upper trough lead to development of the east - ocean low pressure and occurd strong wind

    分析結果表明:這次天過程是由臺風倒槽和冷空及深厚的高空槽共同作用引起的;臺風環引起的東南低空急為暴雨輸送了大量的水汽和不能量;冷空的侵入加上深厚的高空槽引起的低空輻合、中高層輻散,促使了東海低壓的劇烈發展,產生了猛烈的大風。
  9. Computational results show that the axial gas flow and the rotary flow, especially the axial gas flow plays the main role on the arc stability. the rotary flow can larger the region of the arc stability

    研究結果表明,縱向和旋轉對電弧的性確實起作用,尤其是縱向,起著重要的作用,而旋轉對電弧的域的增加效果顯著。
  10. Normally water resources is affected by human activities and climatic change, but it is affected mainly by climatic change in runoff forming regions located in the high and middle mountainous area in the northwestern china. river runoff in the hexi inland arid region all originates from the qilian mt. area and the change of mountainous runoff resulted from global weather warming up and will bring an important effect to the development of society and economy in the hexi region. so the response on mountainous runoff and its changing trends are analyzed on the basis of the measured data of precipitation, air temperature, and discharges observed from some weather and hydrologic stations in the studied area. the results show that seasonal variation of mountainous runoff in the hexi inland region is mainly affected by the river ' s geographical location and supply source, and the yearly change by precipitation and that in the west of the region by air temperature besides precipitation. there are some obviously regional differences in the influences of climatic change on surface runoff in the hexi inland arid region, that is, rivers runoff in the west of the hexi area have been increasing and rivers in the east part have been decreasing, and the rivers runoff in the central part presented slowly increase trend, such as the heihe river, but it is not quite obvious

    一般情況下,水資源的變化主要受候變化和人類活動的影響,但在位於我國西北內陸乾旱地的中高山地帶,徑的形成主要受前者的影響.甘肅省的河西內陸乾旱是該省重要的工農業生產和經濟開發,這里各項社會和經濟活動與出山徑的變化都有著十分密切的關系.因此,筆者根據有關水文象臺站的降水、溫和徑觀測資料,分析了以黑河、昌馬河、西營河等主要河為代表的河西內陸出山徑的變化特徵與規律.結果表明,河西內陸出山口徑的季節變化主要受地理位置和河補給來源的影響,而年際變幅則受山降水量年際變化及變幅的影響十分明顯.目前,梨園河以西河水量處于上升階段,梨園河以東的河則處于下降的階段;以黑河幹鶯落峽水文站年徑為代表的走廊中部地的出山口徑正處於1990年開始的枯水段的上升段.但總體而言,河西內陸乾旱出山口徑的變化相對比較.預計今後若干年內,河西內陸乾旱東段河出山口徑的變化以偏枯為主,中段、西段河出山口徑的變化以平水或平水偏豐為主
  11. In 1999, the dipole existed in between the okhotsk high and the depression in the north of northeast china, thus the okhotsk high became active and maintained, the subh was located to an area quite further south than usual. the high persisted in the east region of nw china, the cold air flowed to the mid - lower reaches of the yangtze river along the high. in the east region of nw china, air steam under troposphere was strong sinking motion, and formatted the negative vorticity region, the vapour flux divergence was divgence. lt was apparently that the rain could n ' t occur in the eastern portin of nw china. in 2000 year, okhotsk high was very weak or did n ' t exist in, there was high in the east asia - japan, the subh is located to an area further north than usual. in the east region of nw china, the trough maintained, air stream under troposphere was strong ascending motion, the cycolonic circulation was prevailing, the vapour flux divergence was intensive convergences the rain easy happened in the east areas of northwest china

    4多梅雨1999年鄂霍茨克海阻塞高壓與我國東北北部低壓形成偶極子,使得阻塞高壓少動,西太副高位置偏南,西北地東部持續受高壓控制,冷空沿此高壓經長江中下游地上空;在西北地東部對層中下層下沉運動較強,呈反旋渦度,水汽通量散度輻散,不利於西北地東部降水。空梅雨2000年相反,鄂霍茨克海高壓減弱甚至不存在,東亞-日本為高壓,西太副高位置偏西偏北,西北地東部處于西風槽中,對層中下層上升運動增強,盛行低壓環,水汽通量散度強烈輻合,有利於降水生成。
  12. 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:臺風或臺風環為高值位渦,臺風越強,位渦中心值越大;對層上部或平層下部冷空(高位渦)的擴散南下與暖濕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層頂發生折疊,平層與對層相互作用增強,上下位渦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度,有利於位勢不能量的釋放,使得暴雨增幅。
  13. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明:在一的床層結構和操作條件下,超細粉可以在導向管噴動床中實現平化,從而為改善超細粉的化質量提供了一種有效的新方法;固體循環速率與噴動量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比;體則基本上不存在「旁路」現象;環隙中的顆粒動表現為一移動床特徵。
  14. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片動設計中為了降低葉根及葉尖二次損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次損失、擴大工況范圍和控制葉輪機動噪聲源起到了非常好的作用。
  15. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片動設計中為了降低葉根及葉尖二次損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次損失、擴大工況范圍和控制葉輪機動噪聲源起到了非常好的作用。
  16. Under the combined effect of the anticyclone over china and typhoon sinlaku over the east china sea, light northerly winds prevailed in the vicinity of hong kong this morning and the atmosphere was stable

    受到中國內陸反旋及位於東海的臺風森垃克環共同影響下,今早香港附近地吹輕微偏北風,大
  17. At the same time, the disturbance of the low - level jet might be the triggering condition for heavy rain. but the surface occluded front crossing qinling mountains and strengthening, maybe the direct reason

    同時,由於冷空是從中層侵入西北地東部,這樣就形成了較強的對層結,有利於對降水的發生。
  18. Global climatic change would cause the response of ecosystem. in arid and semi - arid regions such as shaanxi - gansu - ningxia region, what is the response of regional river runoff ? would it cause river runoff to increase or reduce

    陜甘寧地處于對全球候變化較敏感的中緯度地,是東亞夏季風邊緣帶,候乾旱不,其主體部分為黃土高原中部的丘陵溝壑,是世界上水土失最嚴重的地,生態環境十分脆弱,目前候暖干化趨勢明顯。
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