wind of field 中文意思是什麼

wind of field 解釋
風場
  • wind : n 1 風;大風,暴風;氣流;【機械工程】壓縮空氣。2 【航海】上風;風向;〈古語〉〈pl 〉方向。3 氣息...
  • of : OF =Old French 古法語。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerography and etc. following the increasing demand of electric power and environmental protection all over the world, it is important to exploit the renewable and clean energy sources. this dissertation mainly aims at modeling and controlling each part of wecs and simulating the system response under different disturbances to develop a suitable controller

    隨著電力需求的進一步增長,以及世界范圍內對環境保護、能源再生等問題的日益重視,二十一世紀將更加重視清潔能源和可再生能源的開發利用,我國現有的以煤電為主的電力結構也必將向發電類型多元化、能源再生化、能源「綠色」化轉變,因此,風力發電這種很有發展潛力的發電技術成為一個具有重大實際意義的課題。
  2. Second, according to field investigation and wind - tunnel experiment, some scholar s advanced that barchan dunes often appear in dynamic equilibrium shapes when th ey move along the direction perpendi cular to the dune ridge under the influence of unimodle sand - moving wind

    風成沙的紅化和圓度特徵不宜作為判別其氣候意義的診斷性標志,應當結合動植物化石及石英砂顯微結構等線索來確定。
  3. Based on the field investigations and laboratory examinations, a study of the population of the epiphytic dolichomitriopsis diversformis ( mitt. ) nog. in fanjing mountain reveals that its habitats are different among different host trees, but that there lies the common habitat characteristics of not more than 2m height from the bottoms of host trees trunks, less light, high relative humidity, slow wind speed, slow evaporation speed and long time of remaining humid in middle - lower tree bark ; that it is one dioecious moss species, the morphology is remarkably different between its perichaetium and perigonium, the number of its perichaetia is much more than that of its perigonia, its perigonium is difficult to find out, its sporophyte is upright, its seta is long and thin, its capsule is regular long oval and its calyptra is cucullate

    摘要通過野外調查和室內觀測對貴州省梵凈山樹附生尖葉擬船葉蘚種群的研究表明,其生境因其所附生的樹種不同而有所不同,但具有共同特點:附生在樹干下部距地面2m高的范圍之內,光照弱、濕度大、風速小、蒸發量小、中下部樹皮保持濕潤的持續時間長;其為雌雄異株蘚種,雌、雄器苞形態差異明顯,雌器苞數量多,雄器苞數量少並且難于發現,孢子體直立,蒴柄細長,孢蒴規則長卵形,蒴帽兜形。
  4. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式,根據參數化方法對波浪破碎導致的能量耗散率進行了估計,通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響,計算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  5. By simulating river plume evolution under the combined action of tide and estival wind field averaged over many years, we have found that the modeled salinity distribution is consistent with the observed one rather well, which means the river plume development plays an important role in adjusting the salinity distribution in the surface layer of bohai sea

    通過檢驗河流羽流在潮汐和渤海夏季多年平均風場共同作用下的發展特徵,發現計算得到的表層海水鹽度分佈與實測值相當吻合,因此可以認為河流羽流發展對于渤海夏季鹽度分佈起著重要作用。
  6. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明,混合層中的流場是由慣性波動與時間平均流兩部分疊加而成,且通過時間平均消去慣性波動后得到平均流,其不同深度的流速矢量構成一ekman螺旋,表層流速矢量相對風向右偏了30 . 3 』 。
  7. Also find that there mainly occur the eastern el nino before 1980s, instead, mainly occurring the middle el nino before 1980s, and there are obvious differences for the leading wind field pattern associated with the two kinds of el nino events

    對elnino類型的研究中發現, 80年代以前以東部型為主, 80年代以後以中部型為主,並且兩類elnino前期的低層風場的特徵也有很大的不同。
  8. In other words, how can the wind overcome the barrier of the geomagnetic field and drive the motions of the plasma inside the magnetosphere

    換言之,即太陽風是如何克服地球磁場的阻礙,進而驅動磁層里的電漿運動?
  9. The wind compresses the earth ' s magnetic field on the dayside of the planet ? the side facing the sun ? and stretches the field on the nightside to form a long tail resembling that of a comet

    太陽風在地球晝側(向陽面)擠壓磁場,將夜側磁場拉成一條長長的尾巴,就像彗星的彗尾。
  10. By using the theoritical analysis, we study the nonlinear interaction between the storm surges and the astronomical tides and the theoritical mode of the storm surges under the control of the wind stress field and the wind pressure field in this paper

    本文運用理論分析的方法研究了風暴潮與天文潮的非線性相互作用以及風場、氣壓場作用下的風暴潮波的物理機制問題。本文共分為四章。
  11. Since the suggested method makes a significant improvement in wind speed, it is more suitable for wind field estimation over complex terrain than other methods which only concerns the effect of distance. then we calculate the wind change with evaluation, last we can conclude the wind abase the hilly terrain, we find the wind in westward and center plain is much smaller than other area. while the wind in northward hilly area is much bigger with the hilly arising. the wind of chongqing is the biggest period in spring ( april ), the smallest period in winter ( january ), the wind in summer ( july ) is bigger than its in autumn ( october )

    本文利用重慶及其周邊地區的常規氣象站的1951 ? 1980年30年的風速平均資料,針對復雜地形風速診斷,以地理信息系統為數據處理平臺,根據重慶1 : 25萬dem數據,來獲得重慶市實際復雜地形的高程,提出了一種適合於起伏地形的權重內插方法,通過引入一個表示地形起伏變化程度的因子,構造了一種新的權重函數,來處理復雜地形上的風速,通過與只考慮距因素同反平內插方法比較發現,本方法更適合在起伏地形條件下使用;然後根據經驗公式在地形上進行計算,得出重慶地區起伏地形下的風速分佈;得出重慶市的西部、中部平原地帶風速較小,而北部山區隨海拔高度升高風速也較大;重慶市風速最大時期為四月份,冬季一月份最小,夏季(七月份)大於秋季(十月份) 。
  12. Based measured aerodynamic parameter and simulated wind speed field, time - domain expression of static wind load, buffeting load and self - excited load for bridge and vehicle are introduced

    基於測試的氣動參數和模擬的脈動風速場,給出了車輛和橋梁靜風力、抖振力及自激力的時域表達式。
  13. In this text we make a diagnosis of linear and nonlinear response of quasi - quadrennial ( qq ) and quasi - biennial ( qb ) component of nino3. 4 index by using reanalyzed ncep / ncar data of sst, wind stress ( pseudo stress ) field, ssp, then have a time and spatial analysis of wind stress field by using mssa, and finally find the importance and contrast the effect of different wind stress field forcing the sea so as to find the cause ofenso irregularity

    本文首先分析海表溫度( sst ) 、風應力場、海表面氣壓( slp )等ncep ncar再分析的月距平場對于nino3 . 4指數的準4a ( qq )和準2a ( qb )振蕩成分的線性和非線性響應,接著用mssa (多通道奇異譜分析)對風應力場進行時空特徵分析,最後用一個熱帶太平洋動力海洋模式研究具有不同振蕩性質的風應力場對海洋強迫作用的重要性及差異,尋找enso不規則性的原因。
  14. According to the properties of both the structural style and the vibration mode of long cable - stayed bridge, and considering the correlation characteristics of natural wind, a practical method is introduced to simplify stochastic wind velocity field of long cable - stayed bridges for taking pylon wind field effect into account

    為考慮斜拉橋橋塔風效應,根據大跨度斜拉橋結構形式特點,結合脈動風的相關特性,提出了一種簡化的大跨度斜拉橋三維脈動風場模擬方法。
  15. Stochastic simulation of wind turbulence field for a long - span bridge

    大跨度橋梁脈動風場的隨機模擬
  16. 6 ) the imitative exploration and analysis that wind - electricity field short circuit is how to influence the relay equipment of electricity net

    ( 6 )風電場短路電流對電網繼電保護影響的初步分析。
  17. Some characteristics of the measured wind pressure field were discussed, including distributions of wind pressure, the effects of shape ratio on total wind force coefficients, auto - and cross - power spectral density ( psd ) distributions of fluctuating wind pressure, characteristics of the proper orthogonal decomposition ( pod ) results of the measured wind pressure field, effects of reynolds number on wind pressure distributions, etc

    根據測量結果對殼體表面風壓場特性進行了分析,包括風壓系數、整體風力系數、脈動風壓自功率譜及互功率譜、風壓場本徵正交分解特性、雷諾數對殼體表面風壓分佈的影響等。
  18. So, our team had not the chance to move horizontal on the mast when the ship was moving. about the 1, 200 meters running, the way was not clear and there is no enough instructors or staffs to direct the 36 trainees, it resulted in most trainees lost the way and failed to finish the 1, 200 meters that included me. according to the environment, city challenge instead of field challenge, camp on beach replaced sole stay in mountain, the tend of wind delayed the sailing schedule and it cancelled the raft race, it took away our opportunity of learning how to make raft by bamboo and large plastic tub

    首先是船頭跳水,在港,正好鯊魚旺季,暫停營業,到了日本,又逢港口管制,被逼休假;而離港啟航的首個節目,本應是在行進的船上,爬上桅桿,再橫行桿上,學習解帆,雖然桿是上盡了,但雨卻落下來,船要轉帆,於是橫行桿上學習解帆這等壯觀場面,我們全組都無緣參與;再來是千二米長跑,指示不清,路線不明,以致多人迷路,被逼半途而廢;接下來的野外定向,因就地利,變身為城市挑戰;山中獨處換了沙灘露宿;風向延誤了航程,阻止了木伐競渡。
  19. Contrasting with the results of the 3 - d numerical model output shows that the general trends of the retrieved wind stream field are completely coincided with the simulated ones. the central position of the storm is about on the same altitude and the upward as well as the downward stream are almost the same

    與數值模式輸出的結果進行對比表明不論在風暴的發展階段還是在強盛階段,反演得到的流場和模擬的流場總體趨勢完全一致,風暴的中心位置吻合的很好,兩者上升氣流和下沉氣流的分佈也很接近。
  20. Finally, nanjing yangtze river bridge on peking - shanghai high speed railway which is a three - pylon cable - stayed bridge is analyzed. in buffeting analysis, analysis result in time domain is compared with that in frequency domain. the effects of pylon wind speed field and nonlinear factors are taken into account

    最後,以京滬高速鐵路南京長江大橋為工程背景,比較了橋梁時域抖振分析和頻域抖振分析的一致性,分析了橋塔風效應和非線性因素對結構抖振響應的影響。
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