本塔龍 的英文怎麼說

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本塔龍 英文
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  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 龍 : Ⅰ名詞1 [動物學] （古代傳說中的神異動物） dragon2 （古代巨大的爬行動物） a huge extinct reptile:恐...
  1. Compared with octree data structure, the omni - tree data structure could reduce the meshes " total numbers and get better mesh quality. this paper uses cell - centered finite volume spatial discretization and four - stage runge - kutta time - stepping scheme with some convergence acceleration techniques such as local time stepping and enthalpy damping

    在流場計算中，本文採用格心格式的有限體積法用二階中心差分對歐拉方程作空間離散，用四步龍格庫塔方法作顯式時間推進。
  2. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。
  3. In the light of tectonic evolution stage and metallogenesis, these metallogenic system ( assemblage ) could be classified as follows : ( 1 ) the pre - divergent metallogenic system in the southwest margin of north china paleocontinent in the archean - meso proterozoic : dongdashan iron, jinchuan nickel - copper. ( 2 ) the divergent metallogenic system in the northern margin of the qaidam paleoplate in the middle - late proterozoic : huashugou - liugouxia iron. ( 3 ) the metallogenic system in the active margin in the early paleozoic : the metallogenic assemblage in the island arc - rift in the early stage ( baiyinchang - qingshuigou copper - polymetallic ) ; the metallogenic assemblage in island arc in the middle - late stage ( honggou - jiaolongzhang copper - polymetallic ) ; the back - arc extensional basin ( zhuzhuiyaba - jiugequan - shijuli copper ) ; the metallogenic assemblage in connection with subduction and magmatic - hydatogenesis ( taergou - xiaoliugou wolfram ; huashugou - liugouxia copper ; dadonggou - diaodaban lead - zinc ) ; the metallogenic assemblage is related to the oceanic crustal shards ( dadaoerji chromite ; yushigou chromite ). ( 4 ) the metallogenic system has something to do with collision - type orogeny : the metallogenic assemblage in foreland basin ( tianlu copper ) ; the metallogenic assemblage with the intracontinental orogeny and ductile shear ( hanshan - yingzhuishan gold )

    根據構造發展階段和成礦作用特點，確定本區成礦系統及組合如下： （ 1 ）華北板塊西南邊緣太古宙中元古代裂解期前成礦系統：東大山鐵成礦組合，金川鎳銅成礦組合； （ 2 ）柴達木板塊北緣中、新元古代裂解成礦系統：樺樹溝柳溝峽鐵成礦組合； （ 3 ）加里東期活動大陸邊緣成礦系統：早期島弧裂谷成礦組合（白銀廠清水溝銅及多金屬成礦組合） ，中、晚期島弧成礦組合（紅溝蛟龍掌銅及多金屬成礦組合） ，弧后擴張盆地成礦組合（豬咀啞巴九個泉石居里銅及多金屬成礦組合） ，與俯沖作用有關的巖漿熱液成礦組合（塔爾溝小柳溝鎢成礦組合，樺樹溝柳溝峽銅成礦組合，大東溝吊大坂鉛鋅成礦組合） ，洋殼殘片成礦組合（大道爾吉鉻成礦組合，玉石溝鉻成礦組合） ； （ 4 ）碰撞造山成礦系統：前陸盆地成礦組合（天鹿銅成礦組合） ，陸內造山韌性剪切成礦組合（寒山鷹咀山金成礦組合） 。
  4. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題，本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法，即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分，將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分，對前一部分採用特徵線法求解，對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解，這兩部分的求解過程交替進行，最終即可得到水電系統大擾動過程的模擬結果。
  5. According to his lawsuit, the farmer claims that fireworks set off by the boys made the previously lustful gustav both apathetic and depressed, and thus unable to perform for a half - a - year with his two female breeding partners

    加貝爾表示，那些男孩燃放的鞭炮令原本一向在性方面生龍活虎的古斯塔夫突然變得缺乏性趣且情緒低落起來，以至於在接下來的半年時間里它始終無法與該農場內的2隻雌性鴕鳥親熱。
  6. This paper taking zigui longtanghe bridge in hubei province as a project background, studies about the unified construction technology of tower and buckle frame in erection with cableway used in steel pipe - encased concrete arch bridge constructioa based on the analysis of the construction property of long span steel pipe - encased concrete arch bridge, this paper raises the general scheme and basic structure of unified construction, analyzes the mechanical behavior of unified structure of construction statue, mainly discusses the strength, stiflhess and stability of the unified structure

    本文以湖北秭歸龍潭河大橋為工程背景，對大跨徑鋼管混凝土拱橋纜索吊裝塔架扣架一體化施工技術進行了研究。論文以大跨徑鋼管混凝土拱橋施工特點分析為基礎，提出了一體化施工的總體方案與基本結構構造，分析了施工狀態一體化結構的力學行為，主要探討了一體化結構的強度、剛度及穩定性，採用動態監控系統確保了一體化結構在橋梁施工過程中的安全可靠性，從而形成一套系統的纜索吊裝施工新技術，並在實橋工程進行了應用，效果良好。
  7. This paper is developed a algorithm to generate airplane ' s 4d approach trajectory, by using fourth order runge - kutta, based on a set of point mass equations of motion, pilot procedure and air traffic control procedure

    本論文是基於飛機質心運動方程組，結合飛行操作程序和空管管製程序，根據飛機的空氣動力學模型、推力模型和實時的大氣氣象模型，用四階龍格? ?庫塔積分法規劃出飛機下降進近4d軌跡。
  8. The paper makes out the calculating program of the surges in throttled., simple and differential surge tanks with the method of runge - kutta, fortran 90 and the basic formulation of surge tank on the visual fortran background compiler. 4

    在windows環境下，使用visualfortran編譯平臺，從調壓室的基本方程出發，採用四階龍格庫塔方法，用fortran90語言編制了阻抗式、簡單式及差動式調壓室的水位波動計算程序。
  9. But the nnd algorithm can " t reach 2 - order precision, and the cell - centred finite volume algorithm is not suit to solve hypersonic problem. for the efficiency of the four - stage runge - kutta time - stepping scheme is low, and the robust is bad for the hypersonic problem, an implicit time - stepping scheme is adopted. this scheme can preserve the results precision and improve the computing efficiency sharply, and is an innovation for the time - stepping scheme of unstructured grid

    為了解決目前傳統四步龍格一庫塔時間推進效率較低、計算高超聲速流場時魯棒性較差的問題，本文改進並採用了一種隱式時間推進格式，能夠在保證精度要求的情況下有效的提高流場計算時的計算效率，對基於非結構網格的時間推進格式有了發展和創新。
  10. ( l ) it was pointed out that the ecological agriculture integration system should integrate the ecological production, the ecological processing and ecological marketing into vertical industry chain and network by the principles of ecological link and longitudinal joint, and the evolution to realize ecological agriculture integration in china was to develop non - pollution food, green food, and organic food stage by stage. the evolution path to develop ecological agriculture in china gradually was also the effective and practical path fitted to the situation of china to realize the connection of tracks with the international criterion. ( 2 ) two development models of ecological agriculture integration were summed up

    本文通過理論與案例相結合的研究，取得了如下結果：理論研究結果： （ 1 ）提出了生態農產品生產、生態農產品加工和生態農產品銷售縱向連接的產業化體系；生態耦合與縱向連接相結合的設計原則；生態農業產業化動力是可持續的消費需求； 「安全?綠色?有機」金字塔體系與國際接軌的生態農業產業化途徑； （ 2 ）總結了「主導產業帶動型」和「龍頭企業帶動型」兩種生態農業產業化發展模式； （ 3 ）歸納了標準化、企業化、層次化、品牌經營、科技支撐以及政策措施和組織保障等保障體系，指出生態農業產業化保障體系是生態農業產業化體系的有機構成和重要支撐。
  11. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析，然後，根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式，採用泵浦-探測波的方法，利用超輻射激光二極體（ superluminescentdiode簡稱sld ）作為探測光源，測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數，之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算，在給定了兩個泵浦光源的波長和最大功率后，找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率，同時也分析了導致信號光飽和的原因。
  12. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  13. The water - exit movement of the submarine - based powerless missile which is horizontally or vertically launched is solved. the change trend of force and moment which are put on the missile is given. the effects of ocean current and wave that affect the missile is studied based on the front work

    本文建立了導彈出水運動數學模型，採用定步長四階龍格-庫塔（ runge - kutta ）法求解了潛載無動力導彈水平發射和垂直發射的出水運動過程；給出了導彈出水過程中所受力和力矩載荷的變化情況，並在此基礎上分別研究了海流和波浪對導彈的影響。
  14. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
  15. On the basis of analysis of characteristics of locomotive corporations, it improves the classical game model - - - - cournot duopoly, bertrand duopoly, stackelberg duopoly, combines the three models, and establishes the association modes of locomotive corporations

    本文在分析龍頭企業特點的基礎上，把經典的博弈模型一古諾寡頭模型和貝特蘭德寡頭模型、斯塔克博格寡頭模型結合起來並加以改進，建立了龍頭企業之間聯盟的方式。
  16. Based on the theories of bend loss and mode coupling, a model to analyze the characteristics of distributed spatial filtering of bend multimode fiber is given in this paper. then we made numerical simulation by the means of stepwise scan, dichotomy and the four orders runge - kutta. numerical simulation indicated that the distributed spatial filtering of the bend multimode fiber can improve the beam quality

    本文從波動理論基礎出發，結合模式耦合理論和彎曲損耗理論，提出了一種用於分析彎曲多模光纖的空間濾波特性的理論模型，並運用逐步掃面法、二分法以及四階龍格-庫塔法對此模型進行了數值模擬。
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