輻散水流 的英文怎麼說
中文拼音 [fúsǎnshuǐliú]
輻散水流
英文
diverging flow- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 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...
- 流 : 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...
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
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Low - level cyclones usually imply horizontally confluent flow and vertically rising air resulting in inclement weather. low - level anti - cyclones bring in fine and stable weather due to horizontally diffluent flow and vertically sinking air
低空氣旋表徵水平匯聚、垂直上升的不穩定氣流,可以導致惡劣天氣產生;低空反氣旋則代表水平輻散、垂直下沉的穩定流場,伴隨著晴朗的天氣。To utilize hydraulic soil evaporimeter and supporting meteorology, radiation, the materials on the surface water evaporation, considering the influence of each factor of " soil - plant - atmosphere " system on soil evaporation, we set up calculating model of the soil evaporation which is suitable for the heilonggang region
利用水力式土壤蒸發器及其配套的氣象、輻射、水面蒸發儀器觀測資料,綜合考慮「土壤植物大氣」系統中的各個因素對土壤蒸散的影響,建立了適于黑龍港流域的土壤蒸散量計算模型。But in flood years, the convergences in mid - and low - level of troposphere are strong. divergence departure in 200hpa is positive, so the pumping cause the updraft stronger. as we all know, the updraft is better to the rain
澇年對流層中下層輻合偏強, zoohpa上,高原東北側地區為正散度距平區,輻散較常年偏強,高空輻散抽吸作用使得該區盛行上升氣流,有利於降水的形成。Based on the fog drop size distribution model of radiation and advection fog, the backscattering characteristics of fog have been investigated and the empirical relations of the radar reflectivity factor and water content or visibility are obtained
對霧的雷達後向散射特性進行了分析和研究,得到了平流霧和輻射霧的雷達反射因子與含水量和能見度的經驗關系。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:暖區降水主要通過雲水碰並形成,冷區降水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存在風場的輻合,其上下則主要是輻散區;水汽主要集中在7o0hpa高度上,暖區水汽來自南、東南方向,冷區水汽以西南輸送為主;暖區位勢不穩定分佈在o 。Because of the low temperature there, water vapour condenses into small, clear crystals. a layer of glossy cirrus forms which drifts out from the centre of the tropical cyclone because of divergence at that level. so, when the outer edge of a tropical cyclone reaches hong kong, we can see cirrus high in the sky
熱帶氣旋強烈的上升氣流會把潮濕的空氣帶到近五六千公尺以上的高空,由於溫度很低,水氣結成了透明的小冰粒,形成像絹絲一樣發光的雲彩-捲雲,這些在高層輻散流場區域的捲雲,會從熱帶氣旋中心向外流出,所以當香港還是位於熱帶氣旋邊緣時,我們便已看到那些在熱帶氣旋外圍的捲雲,並稱為臺母。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,海溫降低;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,海水輻合下沉加熱其表層以下海水,同時異常環流使得更多東側異常暖水向西加熱其表層水;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場異常,海水輻合下沉升溫。Q vector divergence field submit piece form district of convergence and divergence, have reflected meso - scale character. in the interface of convergence district and divergence district of q vector divergence, accompany severe convection precipitation and convection precipitation strengthen following convergence center strength, weaken following divergence center weaken
在對流層低層q矢量散度輻合區和輻散區的交界處,伴隨有較大的對流性降水,對流性降水的強度隨輻合中心強度的增強而增強,隨輻合中心強度的減弱而減弱。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:這次天氣過程是由臺風倒槽和冷空氣及深厚的高空槽共同作用引起的;臺風環流引起的東南低空急流為暴雨區輸送了大量的水汽和不穩定能量;冷空氣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。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,使得阻塞高壓穩定少動,西太副高位置偏南,西北地區東部持續受高壓控制,冷空氣沿此高壓流經長江中下游地區上空;在西北地區東部對流層中下層氣流下沉運動較強,呈反氣旋渦度,水汽通量散度輻散,不利於西北地區東部降水。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,西北地區東部處于西風槽中,對流層中下層氣流上升運動增強,盛行低壓環流,水汽通量散度強烈輻合,有利於降水生成。The results show that there are two centers of occurrence of llsw respectively in dong bei and jiang nan ; the regional torrential rain over the yangtze river basin is closely associated with llsw during the major periods of heavy rainfall ; the diurnal variation of the number of occurrence in the middle and low reaches of the yangtze river is the strongest in china there are some significant differences between llj and nallsw in positive season, spatial variation, diurnal variation and field of pressure. by the way, the important effect of inertial stability on heavy rainfall with both low level south - westerly jet and high level northerly strong flow is analyzed theoretically. the results show that the existence of the maximum of inertial stability in the left font of the low level jet is favor of the accumulation of the moist thermal energy, and conditional symmetric instability or convective instability can be expected in this region
另外,慣性穩定性的作用以往不受重視,本文通過對西南低空急流左前方和高空偏北大風軸右後方的慣性穩定性和對稱穩定性的理論分析和實例計算,表明慣性穩定性在伴有高低空急流的暴雨中有重要意義,揭示了梅雨暴雨的一種新的高低空急流耦合機制:低空急流左前方慣性穩定度大值區的存在,有利於低層濕熱能量的積累,使低層傾斜對流的不穩定發展更多期望于條件性對稱不穩定或對流不穩定;高空偏北大風軸(西風急流)的存在,是其右後方(右側)出現對稱不穩定的有利條件,高空相對容易出現干對稱不穩定;慣性穩定性的作用,使低層的傾斜對流更偏向於垂直方向,有利於對流發展,使高層的傾斜對流更偏向於水平方向,有利於高層輻散。The results show that mesoscale low level jet, the perturbation in the high level troposphere can enhance and accelarate occurrence and development of mesoscale system ; convergence of low level and divergence of higher level are dynamical condition of storm rainfall system
本文的研究結果表明,中尺度低空急流、高空擾動對中尺度低渦系統的發生發展有加強和促進作用;低層輻合和高層輻散是降水系統的發展的動力條件。( d ) in the weak monsoon year, nwc lies in the northwest airflow region, west and south wind, as well as moisture transportation are remarkably reduced. except part of the first field, there is vapour flux divergenceon in nwc ( e ) in the strong monsoon years, the height field is low on the west and high on the east, west and south wind, and it ' s vapor flux transportation, are evidently boosted up. there is vapour flux conflurnce in the he first and sixth region
( d )弱夏季風年,西北區高度場西高東低,處于脊前西北氣流的控制之下,西風和南風明顯減小,水汽通量輸送也大大減少,除一區的甘肅河東大部( 30 35 n , 101 105 e )存在水汽通量輻合外,其它地區為水汽通量輻散(弱的輻合) 。 ( e )強夏季風年,西北區高度場東高西低,西風和南風明顯增強,水汽通量輸送同樣顯著增強,一、三區存在大范圍的水汽通量輻合。There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns
本論文包括兩個部分:第一篇通過對典型風場的單多普勒天氣雷達徑向速度圖象進行模擬,典型風場包括水平均勻一致的風場、非均勻水平風場的大尺度運動的輻合輻散風場以及大尺度運動的輻合輻散風場與冷暖平流的迭加等。In addition, the effective combination technologies of ultrasonic, microwave, alternating current deposition, supercritical fluid drying with traditional liquid methods is the most promising one to prepare high purity, small size and well - proportioned dispersing nano - particles
而超聲技術、微波輻射技術、交流電沉積技術、超臨界流體乾燥技術、非水溶劑水熱技術等新技術與傳統液相法的有機結合,是制備高純度、小粒徑、均勻分散的金屬氧化物納米粉體的最有前途的方法。Low - level cyclone circulation with high - level anticyclone circulation, is helpful to form low - level convergence and high - level divergence, and make the rising airflow nearby cyclone keep and strengthen so that have offered necessity condition for convection precipitation
低層的氣旋性環流和高層的反氣旋性環流相配合,有利於形成低層輻合,高層輻散,使得氣旋附近的上升氣流得以維持和加強,從而為對流性降水提供了必要條件。分享友人