勢流位流 的英文怎麼說
中文拼音 [shìliúwèiliú]
勢流位流
英文
potential flow-
Four aspects are summed up : construction of new plantation production system according to the market ' s demand ; formation of industrial advantage by developing region agriculture, scale management and specialized production level ; change from the direct trade to processing trade of agricultural products ; attaching great importance to barley production, thus promoting the development of feed processing and food industrial. in the fourth chapter, the dissertation poses some necessary measures of the adjustment and escalation of hubei rural industrial structure. it mainly includes : deepening the property right system reform of rural land ; blazing new trails in the system ; reforming the rural science and technology mamgement system ; enhancing macroscopic regulation ; carrying out the cities and towns strategy ; reconstructing the structure of the agricultural development according to the comparative advantage law
第四章,提出了湖北農村產業結構調整升級的配套措施,主要包括:深化農村土地產權制度改革,促進農業生產要素合理流動與優化配置;實行制度創新,促進農村資本市場發育,為農村產業結構調整升級提供資金保證;改革企業科技管理體制,用高新科技改造和武裝農業,為農村產業結構調整升級提供技術支撐;加強宏觀調控力度,為農村產業結構調整升級提供正確導向和有力指導;實施城鎮化戰略,促進農村產業結構整體優化;搞好農業市場定位,按比較優勢原則,重構農業發展格局。Having soochow industrial park as a case, this study made an inquiring investigation and calling talk to some white collar working in the park. from the sight of the white collar, based on the investigation data, this study analyze the affect factors to white collar ' s position obtaining, meanwhile, analyze the current condition of the industrial white collar ' s mobility, including the ways of searching chance, cause and result of mobility, and obstacle of mobility. beside it, this study discussed the industrial white collar ' s mobility mode and the trend of polarization
本研究以蘇州工業園區為個案,以企業白領為研究的視角,運用問卷調查和訪談相結合的方法,對企業白領群體的形成以及企業白領的地位獲得進行了分析;具體分析了企業白領的流動情況,包括企業白領尋找流動機會的途徑、流動的原因、流動的結果、流動過程中存在的障礙和問題等;同時探討了企業白領的流動模式與企業白領分化的趨勢。The induced electromotive force and the current do not move along evenly together, that is, in phase.
感應電動勢和電流並不協調一致地變化,即並不同相位。As the valley was situated in a high area, the water supply scheme utilised gravity flow. however, the reservoir had a small capacity of just 27 million gallons, only 38 % the size of its pokfulam counterpart
由於峽谷位處高地,供水方法仍可以利用水向低流的原理,讓水塘存水順勢流往山下區域,省去興建抽水站的工程。In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method
在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。With zhengzhou railway station, the largest railway hub station in china, the largest passenger bus transport center in henan province, namely, zhengzhou bus passenger transport station, jingguang bus passenger transport station, ermalu bus passenger transport station and railway long distance bus passenger station, this district has unique transport facility, and hosts the largest telecommunication and post hub in the central plains, with a daily average over 2000, 000 floating population, forming increasing stream of people, stream of materials, and stream of information in the central city zone, containing enormous commercial opportunity
區內有全國最大的鐵路樞紐站鄭州火車站,河南最大的汽車客運中心鄭州汽車客運總站,京廣汽車客運總站、二馬路汽車客運站、火車站長途汽車客運站等,交通優勢得天獨厚;中原地區最大的電信、郵政樞紐也位於本轄區,日平均20多萬流動人口,形成了中心地區不斷增大的人流、物流、信息流,蘊藏著巨大的商機。Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition
長江河口段為潮流河段,徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜,開展防洪影響評價研究時,河道演變及工程段穩定性分析,設計潮位的分析計算,洪潮組合方案擬定,工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法,需要進一步研究的課題。We measured the samples " electrical properties ( square resistance, square carrier concentration, carrier mobility and hall coefficient ) at room temperature by hall measurement. the experimental results revealed that all the samples are p - type, with increasing the annealing temperature, the carrier mobility increased and the square carrier concentration decreased. these changes in electrical properties are explained by a decrease in the number of mn acceptors because of the forming of mnas phase and the resuming of lattice defects during annealing
所有樣品均為p型導電類型;發現在650到850溫度范圍內,隨著退火溫度的升高,樣品的方塊載流子濃度呈下降趨勢,而載流子遷移率呈上升趨勢;這是由於在退火過程中,隨著退火溫度的升高,有更多的mn參與mnas相的形成,使得以替位受主形式存在的mn減少,並且晶格缺陷得到恢復所致。Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river
在現場查勘的基礎上,通過對丹江口水庫和小浪底水庫攔沙初期下遊河道演變、排洪能力變化特點的對比,分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期,下遊河道發生沖刷,但艾山以下窄河段沖淤變化不大,近年來形成的淤積萎縮的狀況難以很快改觀,游蕩性河段調整劇烈,工程出險機遇增大,河道水位流量關系中水流量以下部分同流量水位明顯降低,中水流量以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不容樂觀。Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed
文摘:採用正交曲線坐標系下的河道平面二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律,預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響,並對格形開挖和平整開挖方案進行了比較分析Based on the analyses of the flow and sediment characteristics and evolution trend of the river bed of the fuling reach in the yangtze river before and after the impoundment of the three gorges reservoir, the water level, velocity variation and influenced range in the fuling reach before and fifty years after the operation of the three gorges reservoir with the construction of the fuling dock and four discharge combinations are calculated by using a two - dimensional flow mathematic model
摘要在分析長江涪陵段的水沙特性和三峽水庫蓄水前後該河段河床演變趨勢的基礎上,運用二維水流數學模型,分析了4種流量組合情況下在三峽水庫運用前和運用50年,涪陵港區碼頭修建前後的水位、流速變化及其影響范圍。The main problems existed are as follows : the limited basic facilities in logistics ; the out - dated management system, piece partition ; the poor low service level, limited scope ; the backward concept in logistics, the lack of talented people, the deterioration of the ecological environment in some parts of the area, and the traffic problems, etc. but, on the other hand, the development in western logistics also has the advantages which the eastern logistics does not possess, including the resources, regional and potential advantages
西部物流發展中存在的主要問題是:物流基礎設施薄弱;管理體制陳舊,條塊分割;物流企業服務層次低,規模小;物流觀念滯后、人才缺乏,另外還有部分地區存在生態環境惡化、交通不發達等制約因素。另一方面,西部物流的發展也具有東部物流所不具有的優勢,包括資源優勢、區位優勢和后發優勢,即將建成的鐵路、公路聯運和通江達海聯運大通道也給西部物流的大發展提供了有利的條件。Topmodel is based on the calculation of ln ( / tan # ) index and its distribution. in terms of a dem, a is the cumulative upslope area draining through per contour length to a pixel, which reflects the tendency of water to accumulate at any point in the catchment, tan # is the local slope angle of the cell, which reflects the tendency for gravitational forces to move that water downslide
Topmodel是以計算ln ( tan )指數及其分佈為基礎的。對于柵格dem ,為上坡區域通過單位等高線長匯集到單元網格內的面積,反映徑流在流域中任一點的累積趨勢, tan為單元網格的坡度,反映重力使徑流順坡移動的趨勢。In 2003, debeier color plate industry co., ltd invested and built by husilong enterprise agency was established, having the 1st imported auto film - covering streamline with dc variable frequency control technology in the metal ceiling enterprise at home, which indicated that husilong enterprise agency took a most successful and most solid step in integration of the industrial chains, increasing greatly its comprehensive competitive force, and that husilong goes ahead of the rest in the competition with the enterprises both at home and abroad, possessing a absolutely advantageous position
2003年,華獅企業機構投資興建的德貝爾彩圖板實業有限公司成立,其擁有的國內金屬天花企業第一條進口直流變頻控制技術的自動覆膜流水線順利投產,這標志著華獅企業機構整合產業鏈跨出最成功的最堅實的一步,大大提高了綜合競爭力,華獅在同國內外企業的競爭中先行一步,占據了絕對優勢地位Even after the spice girls ' first single, wannabe, went straight to number one, few imagined they would dominate pop music for so long
即使是辣妹的第一首單曲《想要》直逼排行榜第一位之後,也很少有人能想象她們會在流行樂壇占據優勢地位如此之久。Topography fractal dimension related with process of development of watershed physiognomy and represented degree of watershed development, v ) sediment yield intensity of watershed model reflected erosion characteristic of watershed model in different development phase. simulating experiment indicated that sediment yield intensity took on the trend that they changed from small to big then decreased gradually. the relationship of average sediment transport rate and sediment yield rate per mm rainfall with topography fractal demension is expressed by gaussian model and this model is similar with relationship between volume and surface area
( 5 )流域模型產沙強度的變化反映了流域模型在不同發育階段的侵蝕特徵,模擬試驗研究結果表明:在整個流域模型地貌地貌的發育過程中,其產沙強度呈現由小到大,然後又逐漸減小的總體趨勢,流域模型單位降雨產沙率及平均輸沙率與地形分維數表現為gaussian模型關系,其關系形式與結論3中相對體積和表面積之間關系相似,進一步說明了以地形分維數表達地形變化的合理性。Although it is viewed as an innovation in the history of cultural exchanges between china and europe and a model of cultural diplomacy, some disadvantages have been exposed such as immature diplomatic strategy, the vague position of china ' s cultural advantages in international culture system, and the lack of substantial content in the international cultural exchanges and of the ideas of " macro - culture "
「中法文化年」活動是「中歐文化交流史上的創舉」 ,是一個文化外交的示範,具有里程碑式的意義,但同時它也暴露出了我國在文化外交方面的一些差距和不足:我國的文化外交戰略還不成熱;對本民族文化在國際文化體系中的優勢定位不明確;對外文化交流缺乏更多的物質內容;缺乏「大文化」的觀念。Rijkaard is also sweating over the fitness of lionel messi after the argentine ace was forced to limp off against chelsea through injury
里傑卡爾德正在擔心梅西德傷勢,這位阿根廷的一流球員在對戰切爾西時因傷而不得不跛行下場。Moreover, with the rapid economy - development in some newly industrializing countries and regions, some developed countries and regions such as u. s. a. and eu started a new protectionism - trend by taking non - tariff barriers as the main measures since 1970s
尤其是20世紀70年代中期以後,隨著一批新興工業化國家和地區經濟的迅速發展和國際競爭力的提高,美國、歐盟等在國際競爭中處于優勢地位的國家和地區,興起了以非關稅壁壘為核心內容的新保護主義潮流。Skin effect is the tendency for alternating current to flow near the sruface of the conductor in lieu of flowing in a manner as to utilize the entire cross - sectional area of the conductor. this phenomenon causes the resistance of the conductor to increase. the magnetic field associated with the current in the conductor causes eddy currents near the center of the conductor which opposes the flow of the main current near the center of the conductor. the main current flow is forced further to the surface as the frequency of the alternating current increase
表面疚是指交流電流較傾向于導體的表面傳導而非流經整個導體截面的趨勢,這些現象會造成導體的電阻提高,與導體中的電流有關的磁場在導體中心部位產生過電流而阻礙了中心部位的主要電流,當交流電的頻率增加時,主要電流的流向會進一步被推擠到導體表面。分享友人