有源邊 的英文怎麼說

中文拼音 [yǒuyuánbiān]
有源邊 英文
active edge
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • 有源 : [電學] active有源電路 active circuit; 有源器件 active device; 有源天線 active antenna; 有源衛星 active satellite
  1. Unique existence and blowup characteristics of global solution for initial boundary value of a class of nonlinear wave equation of fourth order

    一類具非線性界阻尼和項的非線性波動方程的解的漸近性
  2. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等三角形。
  3. The advantage of the method is that the implicit interaction between dhss is transformed to the explicit relations between their contribution ratios

    作者首先提出了組合溫度尺度法,它效地將離散熱之間抽象的相互作用轉換為界條件之間明確的物理關系。
  4. This paper is an analysis of the agriculture - dominated yuanmou county characterized by mountainous, tropical and droughty agriculture from the perspective of approaches of developing specialty agriculture in sw china inhabited by minority ethnic groups and against the background of county agriculture development in the rest of yunnan and even the rest of the whole country. in the paper a variety of approaches are employed, such as demonstration, contrast and statistics, no to mention the introduction of reference index system of economic competitive power for the purposes of contract, analysis and assessment

    本文從西部疆少數民族地區如何發展特色縣域經濟的視角出發,以全國和雲南省的縣域經濟為研究背景,選擇了雲南元謀這個具農業主導縣特徵、山區縣特徵和獨特「乾熱資特色產業的縣作為研究對象,以實證、對比等統計方法作為研究手段,並以中國縣域經濟競爭力評價指標體系的指標作為參照指標,進行對比、分析和評價。
  5. This synthesis of religious teachings with science can still be described as creationism in holding that divine intervention brought about the origin of life or that divine laws govern formation of species, but in the creation - evolution controversy its proponents generally take the " evolutionist " side

    這宗教教導與科學的綜合仍然可以描述創造在持神性干涉帶來生命的起或神性法則支配物種的形成,但是在創造進化辯論中,它的支持者通常站在「進化」這一
  6. It can still be described as " creationism " in holding that divine intervention brought about the origin of life or that divine laws govern formation of species, but in the creation - evolution controversy its proponents generally take the " evolutionist " side while disputing that some scientists ' methodological assumption of materialism can be taken as ontological as well

    它仍然可以被描述為持神性干涉的「創造說」帶來了生命的起或神性法則支配物種的形成,但是在造物進化爭論中,它的支持者通常站在「進化論者」一同時爭論某些科學家也作為存在論的唯物主義方法假定。
  7. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊緣期,為燕山至喜馬拉雅早期的大陸緣火山弧環境的產物。
  8. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫梯度高於凹陷緣,大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖壓實存在正常壓實、欠壓實和過壓實三種類型,砂巖儲層段壓力類型可分為正常和負壓兩個系統,地層抬升剝蝕是導致儲層負壓系統形成的主導因素;凹陷獨特的溫壓場特徵對烴巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具重要的油氣地質意義。
  9. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力界條件和通用界條件的基礎上提出了一種新的聯合界條件方法,它綜合了上述兩種界條件的優點,在流場的各種界處理中取得了非常好的效果,經過模塊化的處理以後這種界條件具更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具的應用前景。
  10. Now, they have had more clear orientation about the nature of the bilateral ties, which is the important precondition of developing sino - russian relations ; political trust between two sides, including the recognition of the strategic intentions of the other side, has experienced rapid improvement, providing the essential basis for a broader and deeper relationship ; certain principle, guideline, as well as mechanism for tackling the bilateral affairs have been built up. secondly, to resolve the long - standing border issues between two sides after the collapse of the ussr, china and russia have successfully conducted common border negotiation, demarcation and demilitarization on the bases of justice and rationality and reduced the troops along the border, thus transforming their long border into a non - militarized and open border of peace and co - operation

    在肯定中俄關系的成就和中俄關系對雙及世界和地區具重要意義的同時,必須看到,在目前中俄關系的發展中還存在一些影響兩國關系發展的因素,這些因素包括:中俄經貿聯系現的水平與結構對中俄關系深入發展一定的制約作用;國際環境的變化和國際形勢的動蕩為中俄關系的走向增加了不確定因素;中俄目前在能、軍事等重要領域的合作既存在機遇也面臨巨大挑戰;中俄(蘇)三百年關系史中遺留下來的一些消極因素和中俄關系發展中不斷涌現的一些現實問題對中俄關系的俗康發展產生著負面影響。
  11. In the days of imperial examinations, the poetry considered as the main stream of literature, fiction, miscellanea, notes, and drama all serve as the popular styles for the candidates who somehow have a particular feeling for them

    摘要在科舉時代,無論是被視作文學主流的詩文,抑或作為文學緣的小說、雜記、筆記、戲劇等體裁的作品都與科舉著千絲萬縷的聯系,而這種聯系又於士子對科舉的認識和科第情結。
  12. Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit

    在文中,首先,分析和研究了oled的像素驅動電路,闡述了amoled顯示屏及其周驅動電路的結構和原理;其次,提出了qvga解析度的oled顯示屏列電極數據引線的分塊( block )方法,確定屏上驅動電路所需要的控制信號之間時序關系和幅值要求;最後,以fpga控制器的設計為核心,對外圍控制ic進行了具體設計,建立控制器電路模塊模型和演算法流程,通過quartus軟體對其內部的各個電路模塊進行綜合設計和模擬,得到了正確的模擬波形,完成了解析度為qvga ( 320 3 240 )的amoled專用驅動電路的設計。
  13. I want round - the - clock guards on all water sources

    我希望所的水上,士兵要晝夜不停的巡邏。
  14. 2 ) in order to solve the scattering and diffraction of sound radiation, in this dissertation, based on helmholtz equation and its boundary equations, modeling of three - dimensional fem is given for computing low frequency sound transfer function in small enclosures

    2 )為解決聲音在傳播過程中所發生的散射和衍射現象,本文基於helmholtz方程及其界條件,建立了求解小尺度封閉空間內低頻聲傳遞函數的三維限元模型。
  15. Temperature sense can be diminished in patients with neuropathy, so they must be advised not to use hot water bottles and to take care when stepping into a bath or sitting close to a source of heat

    神經病變的病人,溫度覺降低,因此必須勸告他們不要使用熱水瓶,告誡他們在踏進浴盆或坐在熱上時要小心。
  16. This machine adopts high - level siemens plc concentration control, set up with computer controlled gear shifting vacuum gauge, and a three - flow controller, one set of contra - variant bias power and four - route contra - variant arc power supply, four side - installed heating tubes, computer pid automatic temperature control device, 60 and 100 two kinds versatile arc supply

    該設備採用先進的西門子plc集中控制,裝電腦自動換檔真空計和三路流量控制器,一套逆變偏壓和四路逆變弧電裝式加熱管四支,電腦pid自動控溫, 60和100兩種弧通用。
  17. A rectangular box simulating the axial box of the lathe tool is manufactured ; experimental measurements of the surface vibration on the rectangular box and the acoustic field around the rectangular box corresponding to firstly a series of a homogeneous excitation and secondly two iii independent white noise excitations are taken in a semi - anechoic chamber. taking the vibratory properties as input, the properties of the sound field are calculated by the evsbpm and the sdsbpm respectively. the effectiveness and reliability of the evsbpm and the sdsbpm for the calculation of acoustic radiation problem is further verified from the comparison of the calculated results and measured ones

    第五章設計加工了一模擬機床主軸箱的長方箱體,在半消聲室環境下,分別對其在單點處一系列簡諧激勵作用下和兩點處的獨立白噪聲激勵作用下的振動及其輻射聲場進行了實驗研究和分析計算,通過計算結果和實測值之間的比較,進一步驗證了改進體積界合肥工業大學搏士學位論文點方法和統計分佈界點方法計算振動聲輻射問題的效性和可靠性。
  18. The second chapter explains portfolio theory, focusing on its basic concepts & methods. according as the rules of er _ a, select the best portfolio of investment and confirm efficient portfolio

    第二章闡述了組合投資的理論和方法,包括組合理論中常用的一些基本概念,其中一些概念來於統計學,並且介紹了按照er _準則,如何選擇最佳投資組合,確定界。
  19. A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈界點方法;通過諸多不同界曲面和不同界量分佈的隨機振動聲輻射算例,從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面,對統計分佈界點方法的效性進行了考證。
  20. The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第三章導出了界點方法分析振動聲輻射問題的誤差估計理論公式,揭示了界點方法分析振動聲輻射問題的物理本質;研究了特解場的局部特性對界點方法的數值穩定性的影響;改進了現的特解場構造方法,提出了改進體積界點方法;通過諸多不同界曲面和不同界量分佈的聲輻射算例,從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面,對改進體積界點方法的效性進行了考證。
分享友人