potential instability 中文意思是什麼
potential instability
解釋
對粱穩定性- potential : adj 1 可能的；【語法】可能語氣的。2 潛在的；有潛勢的；【物理學】位的，勢的。3 〈罕用語〉有力的。n...
- instability : n. 動搖性，不穩定性；不堅決，反復無常，三心二意。 the instability of human affairs 人事滄桑。
-
One of factors which activize the explosive development of cyclone exists strong convective instability in lower layers from the analysis of the barotropic potential vorticity
由正壓位渦分析得出，氣旋爆發性發展的啟動因子之一為低層存在強對流性不穩定。 -
In a word, convective instability strong baxoclinicity barotropic advection of potential vorticity and latent heat release are factors which activize this explosive development of cyclone
總之，對流不穩定、強斜壓性和正壓位渦平流、潛熱釋放是本次氣旋發展的啟動因子。 -
Inertial instability barotropic advection of potential vorticity the subsidence of the large value of potential vorticity above cyclone and geostrophic adjustment process is dynamical factors which make the cyclone developed violently
慣性不穩定，正壓位渦平流以及正壓位渦大值下沉至氣旋上空和地轉適應過程是氣旋強烈發展的動力因子。 -
The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm
結果表明：此次霍山暴雨發生前後，存在明顯的大強度低空急流，並受到中尺度切變線的影響，而且正渦度的加強引起了輻合加劇，提高了上升速度從而引起降水，同時暴雨發生前螺旋度的迅速增強，也為預報提供了根據，另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。 -
Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。 -
The rayleigh - taylor ( rt ) instability in cylindrical and spherical geometries was analized in this thesis, based upon velocity potential theory
本論文利用速度勢理論對柱和球幾何中不可壓縮流體的rayleigh - taylor （ rt ）不穩定性進行了研究。 -
The temperature of potential instability area was about 0 in the warm area and between - 10 and 0 in the cold area
暖區位勢不穩定區位於0高度上下，冷區位勢不穩定區位於- 10 0高度之間。 -
There were wind shear and maximum wind speed occurred above or below the height of potential instability area and one of them happened before potential instability
位勢不穩定區所在高度的上方和下方會有風向切變和風速極大值中心，並且風切變或急流中心會早於位勢不穩定的出現。 -
In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang
為了弄清這次暴雨過程各氣象要素場的演變情況，分三方面對暴雨的水汽條件（使用了溫度露點差、相對濕度、水汽通量和水汽通量散度） 、動力條件（使用了散度、渦度和垂直速度）和垂直層結條件（使用了位溫、靜力穩定度和潛在不穩定度以及沈陽單站的8個物理量的垂直廓線）等的變化，分別進行了診斷分析。 -
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，是由三支氣流共同作用的結果，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 ）東路冷空氣主要是通過中低層侵入陜南地區的，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流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 ）位勢不穩定層結的形成與低層暖濕平流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流將孟加拉灣和中國南海的水汽輸送至西北地區東部，為暴雨的發生提供了必要熱力條件。 -
Test method for determination of potential instability of middle distillate fuels caused by the presence of phenalenes and phenalenones. rapid method by portable spectrophotometer
Phenalenes和phenalenones產生的中間餾出燃料潛在不穩定性的測定方法.便攜式光譜儀快速測量法 -
Standard test method for determination of potential instability of middle distillate fuels caused by the presence of phenalenes and phenalenones rapid method by portable spectrophotometer
測定由於phenalenes和phenalenones存在而產生的中間餾出燃料的潛在不穩定性的標準試驗方法 -
Firstly, the resault of daily calculation about all kinds of potential instability parameter in a month show that, as a vertical integral potential instability parameter, cape ' s daily variation corresponded to the severe convective storms " occurrence
首先，逐日計算2003年江淮梅雨期的各種位勢穩定度因子，結果表明， cape屬於垂直積分穩定度指數，其日變化與強對流風暴的發生有較好的對應關系。 -
The first diagnostic analyses show that the heavy rainfalls are produced together by vortex, shear line and upper and lower jets, meiyu front. the condition of high energy, saturation, potential instability is propitious to the form and maintenance of heavy rainfall. the result of numerical simulation by mm5 model shows that heavy. rainfall has close relation with meso - scale vortex pole and strong convection
採用ncep全球譜模式和常規觀測資料對「 03 . 7 」江淮地區的兩次暴雨過程的影響系統及其可能機制進行了初步診斷分析，發現梅雨暴雨是受低槽、低渦、切變線、高、低空急流和梅雨鋒區共同影響造成的，該地區維持高能、飽和、潛在不穩定的環境，有利於暴雨的產生中尺度數值模式（ mm5 ）模擬結果表明梅雨暴雨與中尺度渦柱、強對流運動密切相關。 -
Rather than risk potential instability
，而不是承擔潛在的不穩定性風險。 -
In this paper, the cape is mainly discussed, rescently, which used widely in indicating the potential instability characteristic of severe convective storms " ambient field
本文主要討論了目前使用較為廣泛的表徵對流風暴環境場位勢穩定度的因子對流有效位能cape 。 -
Potential instability existed near 0 in the warm area and between - 10 and 0 in the cold area. the occurrence of potential instability was corresponding with maximum rainfall and maximum vapor content
C附近，冷區位勢不穩定分佈在一10一ooc ，位勢不穩定出現的時間與地面強降水、水汽最大累積區出現的時間一致。 -
The condition of high energy, saturation, potential instability benefits for the form and maintenance of this rainfall. the mesoscale numerical model mm5 ( v3 ) is used to simulate the heavy rain process
採用ncep全球譜模式資料，利用中尺度數值模式mm5 （ v3 ）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進行數值模擬。 -
Potential instability that exists with conditional symmetrical stability make the vertical ascend movement in e big value area and slope ascend movement in e surface ( meiyu front area ) produce and maintain
位勢不穩定和條件性對稱不穩定共存使得在_ e高值區域的垂直上升運動和在_ e面（梅雨鋒區）上的斜上升運動得以產生和維持。 -
The action that weak cold air penetrated into the tropical cyclone made the low pressure become vortex potential instability, and finally turned into kinetic energy. the results were that the center pressure of low became lower, the wind velocity around the cyclone was stronger and the precipitation became more
冷空氣在中低層的滲透主要使大氣斜壓作用加強，使不穩定能量的積聚並最終釋放；還造成臺風渦旋位勢不穩定，使熱帶氣旋中心氣壓降低，周圍風力加大，因而產生更大的降水。
分享友人