氣流偏差 的英文怎麼說
中文拼音 [qìliúpiānchā]
氣流偏差
英文
air deflection- 氣 : 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...
- 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...
- 偏 : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
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When processing of data from single - point test, the value of is generally taken by 0. 25 for calculating the open flow potential of gas well, and the result is far from that from modified isochronal test
摘要目前,在處理一點法試井資料時,取函數為定值0 . 25來計算氣井的無阻流量,其結果與修正等時試井有很大的偏差。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水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流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穩定,提高了模擬結果的參考價值。Climatological characteristics, which can provide some drought or flood years with large - scale background, are investigated for large - scale water vapor transport over asian - australian monsoon region based on vertically integrated water vapor flux by pentad from 1980 to 1997. at the same time, the differences of moisture transport over the yangtze river basin between drought and flood and the moisture budgets over eastern china from april to september are examined. major results are as follows : i
使用1980 ? 1997年垂直積分的整層水汽輸送通量資料,從氣候平均的角度分析了亞澳季風區大尺度水汽輸送演變和偏南風水汽輸送在東亞地區推進的氣候特徵,為研究異常年份旱澇事件的產生提供了相應的大尺度背景;同時還討論了長江流域旱澇年水汽輸送的差異以及4 - 9月我國東部各區域的水分收支情況。Box type liquid - gas distributor is the patent product of our company, it not only realized the full connect of liquid but also avoid leak of it, the distributor can add the liquid distribute hole, it has small central line horizontal windage
該氣液分佈器不但實現了液體流動全連通,而且避免了液體泄露,液體分佈孔數量可以增加,分佈孔中心線水平度偏差小,具有更加優良的氣液分佈效果。The principle, method and procedure for adjusting loop flow distribution by measured network data ( pressure and flow of feature node ) in the hydraulic calculation of city gas network are introduced, and the cause of errors occurring when using this method is analyzed
摘要介紹了城市燃氣管網水力計算中利用實測管網數據(特徵節點的壓力和流量)調整環流量分配的原理、方法和步驟,分析了該方法出現偏差的原因。Compared with the rudder control system, the paper introduced the character of the jet control system. then the matlab was used to reveal the relation between the control force coefficient and the deviation of the missile
與空氣舵控制方式進行比較,說明了噴流控制力系統的特徵,利用matlab模擬模擬出兩個通道的控制力系數和偏差信號之間的關系。The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method
在排氣管系的計算中將排氣管簡化為一組一維非等熵變截面管,並通過「特徵線法」將描述其運動的非定常流的偏微分方程轉化為常微分方程,再用差分數值方法依靠計算機求解。The results were summarized as follows : ( 1 ) diamond - like carbon films could be fabricated by plasma source ion implantation ; it was found that different parameters such as the negative voltage, frequency, gas flux influenced sp3 bond ratio of dlcs, the paper described the effect in details and showed that diamond - like carbon films with increasing negative voltage, reducing frequency, appropriate gas flux got high proportion of sp3 bond ; dlcs prepared by psii contained a good deal of sic, the composition affected its properties ( such as the films hardness ) ; psii method could offer good adhesion to dlcs, but it caused the surface morphology to become asperity
研究結果表明: ( 1 )用全方位離子注入技術能夠制備出類金剛石膜。在全方位離子注入技術中,不同的偏壓、頻率、氣體流量都對薄膜中sp ~ 3鍵比例有所影響,文中對具體的影響進行了分析,發現偏壓增加、頻率降低和適中的氣體流量可以制備出含sp ~ 3鍵較多的類金剛石膜;同時發現用全方位離子注入技術制備的類金剛石膜含有大量的sic成份,這對薄膜的性能(例如硬度)影響很大;用全方位離子注入制備的薄膜其結合力得到增強,但薄膜的表面形貌差。When the spatial pattern is of the north - south asymmetry, in the warm north - cold south years, there is a anticyclone circulation existing over the warm pool at 850hpa, easterly at 15 n and westerly in the tropical region have been greatly strengthened, while the center of anticyclone circulation moves to the east asia at 200hpa, and the hadley circulation has been affected evidently, so the summer rainfall may be above normal in the middle and lower reaches of the yangtze river, vice versa. there are different relations to east asia atmospheric circulation and summer rainfall in china
當ssta為南北半球反對稱分佈時,與ssta北暖南冷分佈相對應, 850hpa暖池區上空為一反氣旋偏差環流, 15 n附近東風氣流和赤道附近西風氣流增強,長江中下游地區盛行偏南風氣流; 200hpa反氣旋偏差環流中心移到東亞大陸上空;副熱帶高壓強度、西伸脊點都明顯變強、西伸; hadley環流得到發展,長江中下游(華北)地區為上升(下沉)氣流,降水明顯增多(減少) ,北冷南暖年則相反。In this paper, the circulation of 20hpa transits to anticyclone type first ( at april the twenty - fourth averagely ) and then the transition transmit downwards, 54 days later it arrive to 70hpa ( at june the seventeenth averagely ). the interannual variation of transition dates in higher layers of middle stratosphere ( 10hpa 20hpa and 30hpa ) is more remarkable than in lower ones ( 50hpa and 70hpa ). the transition dates of 50hpa and 70hpa have notable interdecadal variation feature : they are sooner before 1978 and later after 1978
多年平均20hpa環流最先轉為反氣旋型(平均在4月24日) ,然後逐漸下傳,至70hpa (平均在6月17日)歷時54天;而中平流層上部( 10hpa 、 20hpa和30hpa )轉型日期的年際差異較下部( 50hpa 、 70hpa )大; 50 、 70hpa層環流轉型日期具有明顯的年代際變化特徵, 1978年以前轉型日期偏早, 1978年以後偏晚。Results show that there are two main spatial patterns of the wp ssta : one is uniform in the whole area, the other is of the north - south asymmetry. when the spatial pattern is uniform in the whole area, in the warm years, there is a anticyclone circulation existing over the warm pool and westerly in the subtropical region and easterly in the tropical region have been greatly strengthened at 850hpa, while a anticyclone circulation over the india region at 200hpa, the walker circulation has been strengthened, the summer rainfall may be above normal in the upper and middle reaches of the yangtze river, vice versa
當ssta為一致性分佈時,暖異常年, 850hpa暖池區上空為一反氣旋偏差環流,副熱帶地區西風和低緯度地區東風得到加強,長江中上游地區盛行偏南風氣流; 200hpa南亞上空為一反氣旋偏差環流,長江中上游地區為北風; walker環流加強,副熱帶高壓偏強,經向垂直環流在25 35 n附近為上升氣流,長江中上游地區降水偏多,是lanina事件的多發年,對應的soi指數偏高,冷異常年則相反。When the autumn kuroshio ssta is positive, the sea - land sea level pressure differences in the east asian region become large in winter, the east asian trough at 500hpa shifts eastward and is deep in its south and shallow in the northern, along with strong north winds in the above area and weak westerly circulation in the asian region
當秋季黑潮區域海溫異常偏高,東亞地區的海陸氣壓差異進一步加大,東亞大槽北部減弱、南部加深、位置東移,東亞地區的偏北風加強,亞洲地區西風環流減弱,即東亞冬季風加強;反之亦然。分享友人