控制葉面 的英文怎麼說
中文拼音 [kòngzhìyèmiàn]
控制葉面
英文
control blade- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。The governments of yemen and indonesia, for example, spent more holding down the price of fuel than they spent on health and education combined
例如,葉門和印度尼西亞政府在控制燃油價格上的開支要遠遠高於用在衛生與教育方面的兩者之和。The results indicated that the generation of trailing - vortex of downstream adjacent vanes could be restrained effectively by upstream wake when the passing frequency and the amplitude of wake defect satisfy some conditions, associated with a significant enhancement of time - averaged aerodynamic performances : loss coefficient reducing 40. 2 % and the ratio of loading coefficient and loss coefficient increasing 93 %
研究表明:滿足一定通過頻率和虧損幅值條件的尾跡能夠有效抑制下游相鄰葉排尾緣渦的生成,達到控制或是推遲附面層非定常分離的目的,從而使得流場時均性能大幅度的提高,損失系數降低了40 . 2 % ,功損比增加93 % 。A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion
翼剖面;機翼;翼面一個部件或平面,如機翼、螺旋槳葉、方向舵等,其形狀或方位控制穩定性、方向、抬升、沖擊或驅動4. in the vegetation growth simulating model, a new vegetation phenology and temperature criteria added, which control the growth time of deciduos needleleaf forest in north china, make the simulated results more fit the fact
4 )在植被生長模式的模擬中,在物候方面增加了限制,即用界限溫度控制北方冬季落葉樹木的生長季,使結果更加接近實際情況。The data processing part includes fft, filter and averaging, calibration algorithm, smith chart designing, s - parameter algorithm, transmission and reflection caculating, etc. the hardware interface consists of control information protocol, data transfer protocol, status information protocol and the synchronization protocol of the transfer of all the above information
數據處理部分包括快速傅里葉變換、濾波與平均、用s參數表示的傳輸反射特性演算法、表示阻抗特性的史密斯圓圖演算法、校準補償演算法、以及實時測量的實現演算法等。介面部分包括控制信息協議、數據傳輸協議、狀態信息協議以及上述各種信息傳輸的同步協議。The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given
其次在流動無粘性、不可壓及考慮葉片厚度的條件下,依據葉輪內的流動特性,推導了葉輪內三維流動周向平均流動控制方程以及葉片方程;在貼體坐標系中,採用有限差分法求解流動方程和葉片方程;在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下,迭代求解流動控制方程及葉片方程,實現了軸流泵葉輪的準三維方法設計。Compared with natural ventilating up - draft barn, the common curing barn installed with " automatic controlling temperature and forced humid air exhausting apparatus " can enhance evidently superior leaves ratio, average price and income of raw tobacco, decrease evidently substandard tobacco leaves ratio, lighten work hardness, shorten curing time, reduce fuel consumption, save labor power and reduce curing cost
摘要普通烤房安裝「烤煙自動控溫強制排濕裝置」后,與自然通風氣流上升式烤房相比,烤后的煙葉在上等煙率、均價、收益等方面都有明顯提高,級外煙明顯減少,此外,還能降低勞動強度,縮短烘烤時間,減少燃料消耗,節約勞動力,降低烘烤成本。The research in application of machine vision technique in agricultural production has been developing very fast in the world. in this paper the research evolution of application of machine vision technique in automatic harvesting and processing of agricultural products were reviewed, such as the new research achievements to detect fruits which hide behind leaves or other fruits, to identify fruits during the day and the night, to judge the ripeness of the fruits, to determine the cutting lines, to locate the boundary of an object, to orient, and to control the quality of products
綜述了國外農產品收獲和加工自動化方面的研究進展,介紹了國外在識別被葉子遮擋或部分重疊的果實、樹上果實的全天候識別技術,果實成熟度的檢測方法,以及農產品加工中的自動定位、定向、雜質檢出和質量控制等方面所取得的研究成果。The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward
2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈高斯分佈的雙轉子結構研拋模;採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計算公式;分析了邊緣效應產生的原因,在加工過程中採用相對壓力因子對去除函數進行修正,可以消除邊緣效應的影響。To avoid or reduce these trouble induced by the unsteady cavitation, the theoretical design method for propeller and the blade section with the good cavitation performance are adopted to enlarge the cavitation bucket width and control the range and type of the cavitation on the blade. this enables propeller to operate in the non - uniform ship wake rather well
為了避免或減緩空泡帶來的危害,採用螺旋槳理論設計方法和空泡性能優良的槳葉剖面來增加空泡斗寬度和控制槳葉空泡范圍及空泡類型,以適應非均勻流場中螺旋槳工作的需要。The consequence of computation indicated above method not only can approach turbine blade surface accurately but also can be provided for extend and intersection while the precision can be controlled. it realized anticipated goals of the application of turbine blade and engineering exercises. thus, it provide the foundation to the reconstruct and optimize design of turbine blade as well as the cam of turbine blade
算例結果表明,上述方法不僅可精確擬合混流式、軸流式水輪機轉輪葉片,而且還能對葉片進行求交、延展運算並控制精度,實現了nurbs曲面造型技術應用於水輪機葉片設計和工程實際的預期目標,為水輪機葉片的改型設計和優化設計、水輪機葉片的計算機輔助製造打下了基礎。Blade section designed based on equivalent operating curve can effectively control the cavitaion area and type, and the desired cavitation performance can obtained
基於等效運轉曲線設計的槳葉剖面能有效地控制空泡范圍和空泡類型,得到期望的空泡性能。In this paper, the status quo of the tip clearance of aero - engine is surveyed, the theory and the method of the numerical computation of tip clearance are introduced, the simple tip clearance calculation program is modified and refined and the computation method of the turbine temperature field is improved
本文闡述了國內外航空發動機葉尖間隙的研究現狀,介紹了渦輪葉尖間隙計算的理論和方法。對渦輪葉尖間隙準二維計算程序作了修改和完善,改進渦輪部件溫度場的計算方法,增加了變量顯示/修改、程序控制和結果顯示界面,使軟體更加直觀,實用。In order to get the temperature distribution of the turbine blades, the usually method was to simulate flow fields and temperature fields for solid area and liquid area respectively, then coupled on the interface of the solid and liquid. this was mainly because the control equations were different between liquid and solid
為了獲得渦輪葉片的溫度分佈,通常的做法是將計算域分為固體區域和流體區域,對這兩個區域分別進行計算,然後在固體和流體的交界面上進行耦合,這主要是因為流體和固體的控制方程是不同的。By choosing reasonable suction location and combination, the large scale profile separation can be well controlled, but the effect on decreasing the secondary flow loss is limited
計算結果表明,通過選用合理的抽吸位置及抽吸方式的組合,附面層抽吸能較好地控制葉柵內的大尺度的葉片表面分離流動,但對二次流損失的改善效果並不明顯。Now that ffos study is about the changes of russian higher educational system, it naturally involves the impact on which the whque traditional culture of russia brings. chapter one explores the inheritance of russian higher educational system tyom its history, main1y the study neatens and abstracts the theories and practices of the two special periods in russian history f the periods of peter i to ekarerina and the period of leninstalin. from the neatening and absttaction, the author tried to sununarize the actuality existed before the changes, e - g
第一章分析俄羅斯高等教育體制變革對歷史的繼承;主要對歷史上「彼得一世?葉卡特琳娜一世」和「列寧?斯大林」這兩個巨變而又富有影響的歷史時期,在發展和改革高等教育的作法與思維方面進行梳理和提煉;從中找出變革高等教育體制前的狀況,如對高等教育實行意識形態控制,對高等教育實行行業部門管理,對高級專門人才的計劃性對口培養,對工科高等教育的政策傾斜等等;這些現象集中反映了國家對高等教育的過分介入。The wavelet analysis is applying widely to pure mathematics, applied mathematics, signal processing, speech recognition and synthesis, automation processing and image analysis etc. the key advantage of the wavelet analysis is that, in contrast to the conventional fourier analysis, it can be localized in the time and frequency domain simultaneously
小波分析已經廣泛應用於理論數學、應用數學、信號處理、語音識別與合成、自動控制和圖像處理與分析等領域。同傳統的傅立葉分析相比,小波分析的最大優勢在於可以同時在時頻兩方面實現局部化分析。Research findings about the tip clearance of engine in the paper are basal, they can be used as reference of control the tip clearance
本文對發動機的葉尖間隙分析做了一些基礎性工作,對于葉尖間隙控制方面的研究有一定的參考價值。Based on the theory of boundary layer and analysis of the velocity field of main flow, the thesis also derives the vane shape equation. in the equation, ( angle of pump vane ) is variable parameter, ( velocity coefficient ) is introduced as medium factor, which connects the theory of boundary layer with the eular theory. it provides a valuable reference for the designation of vane of pump
基於離心泵葉片邊界層理論和對主流區速度場的分析,給出了離心泵葉片型線參數方程,它以葉片角為變參數,引入速度系數作為中間因子,將邊界層理論和歐拉理論聯系起來,並在離心泵葉輪的設計過程中統一起來,能夠在設計中就根據實際的需要防止或控制過流表面的邊界層的分離。分享友人