耦合不足的 的英文怎麼說

中文拼音 [ǒude]
耦合不足的 英文
undercoupling
  • : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : Ⅰ名詞1 (腳; 腿) foot; leg 2 (姓氏) a surname Ⅱ形容詞(充足; 足夠) sufficient; ample; enough;...
  • : 4次方是 The fourth power of 2 is direction
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. 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新成果,探索在水力計算方面新途徑以促進lb方法實用化發展,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新進展,以及d2q9模型推導過程和其他一些常用模型;在水動力邊界條件和通用邊界條件基礎上提出了一種新邊界條件方法,它綜了上述兩種邊界條件優點,在流場各種邊界處理中取得了非常好效果,經過模塊化處理以後這種邊界條件具有更好實用性;針對均勻網格lb方法計算效率較低,提出了雙重網格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模擬,證明這種方法能夠明顯地提高流場模擬計算效率;此外,根據復雜區域流場特徵提出了latticeboltzmann方法分塊-演算法,利用lb方法計算特性實現塊與塊之間數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場模擬,展示了這種演算法特徵和優點,以及它所具有應用前景。
  2. The paper applies the method of the l - s coupling in the pauli exclusion principle and gives a simple method to determine the atom states of equivalent double electrons through l - s interaction fold line along angle

    摘要採用自旋與軌道相方法,在滿泡利相容原理和條件下,給出了快速確定同科雙電子原子自旋與軌道相原子態一種簡單方法對角折線法,這種方法是對確定同科雙電子自旋軌道原子態又是創新方法。
  3. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下,利用金屬波導和單軸晶體一些特性,結麥克斯韋方程組和波導邊界條件,從三種情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場精確解,並發現了一些有用特性: ( 1 )模式場性質因單軸晶體性質同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成平面內時,波導中傳輸te波和tm波,只過其主模因單軸晶體性質同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導主模是橫電波te _ 0模,任何頻率光波均可激勵該模式;當光波波長滿一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者而成模。
  4. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究波分復用( wdm )系統中偏振模色散影響,主要工作包括下面兩個部分:一、導出了四波長光波在雙折射光纖中傳輸所滿一般非線性方程;在此基礎上,研究色散平坦光纖中4 10gb sdwdm系統偏振模色散特性,並且進一步研究了偏振模色散對同通道間隔4 10gb sdwdm系統影響。
  5. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文主要工作有: ( 1 )分析電力系統在發生故障時運行狀態,尤其對三相傳輸線上故障行波進行了分析和研究,推導了考慮相間三相傳輸線電壓方程,並將傳輸線上任一點電壓與故障點電壓建立起聯系,得出了傳輸線上電壓信號在故障點處奇異性,並以此作為構造新故障檢測演算法理論基礎; ( 2 )將基於小波變換信號奇異性檢測理論運用於電力系統故障檢測中,針對目前相關研究,提出了電力系統故障檢測判據補充判據,通過對基本小波選擇、除噪措施、信號奇異點也即故障點檢測方法所作分析,給出了一個可行解決方案;模擬研究表明:這是一個快速、準確、有效故障檢測演算法。
  6. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制水分條件水肥平衡場,在同水肥處理條件下,研究了水肥對玉米光特性及產量影響,結果表明:同水肥處理條件下,玉米速率有所同,氣孔導度變化與光速率變化表現基本一致,而對蒸騰速率、細胞間co2濃度影響大.其中,在自然降水條件下,有機肥和無機肥,有利於玉米子粒灌漿期維持較高速率,表現出良好產量潛力.充水條件下,有機肥和無機肥,光速率及氣孔導度表現較低,表現產量有所下降,說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下,為充分發揮玉米產量潛力,最佳管理措施是增施無機肥和有機肥
  7. Because of the short development of intelligence capital theory, though scholar study have some opinions on the relation between intelligence capital and enterprise financial performance, most of the opinions stay in macroscopical, scholar don ’ t carry on deep research on the relation between key element of intelligence capital and enterprise financial performance. so studying how the key elements influence the enterprise ' s financial performance respectively have important theory value and realistic meanings. firstly, review the relationship between intelligence capital and enterprise ’ s performance since 1990s, scholar launched research on relationship between intelligence capital and enterprise ' s performance successively and formed some theory

    具體內容包括: ( 1 )人力資產影響基礎結構資產、知識產權資產、市場資產機制研究; ( 2 )基礎結構資產、知識產權資產影響市場資產機制研究; ( 3 )市場資產影響財務業績機制研究; ( 4 )利用平衡記分卡有關思想,對智力資產與平衡記分卡研究作了進一步拓展;並結企業生命周期理論,構建一個與平衡記分卡相似但又等同模型,充分考慮到企業知識產權資產在智力資產模型中重要性,彌補了平衡記分卡在知識產權資產研究方面某些
  8. Simulation results show the effectiveness of the algorithm. based on the integration of rough set and neural networks, a rough neural network based on predictive model control strategy for alkali recovery boiler control is developed. the framework of alkali recovery dedicated control system is introduced in chapter 5, including system hardware frame and software design and basic functions of system

    3 )針對堿回收蒸發工段具有強、大時滯特性,通過分析傳統解演算法,提出了蒸發工段神經網路解控制方案,通過模擬證明方法有效性;同時通過集成粗糙集和神經網路方法,提出了基於粗糙集神經網路預測模型控制方案,並應用到堿回收爐控制當中。
  9. Field use and test shows that, ( 1 ) the coupler drive system improves the soft characteristics in the starting and transmission of the pumping unit ; ( 2 ) the new drive system solves the problems of drive slippage and frequent change of rubber belt ; ( 3 ) it provides large transmission rate and enables adjusting the stroke number optionally ; ( 4 ) the system efficiency of the pumping unit can be improved and power consumption can be lowered by using the coupler drive system

    現場應用測試表明: ( 1 )器傳動系統可改善抽油機啟動和傳動中軟特性,提高整機和抽油桿使用壽命; ( 2 )解決了抽油機膠帶傳動中打滑「丟轉」和頻繁更換膠帶等問題; ( 3 )實現了抽油機大傳動比,沖次任意可調,從而滿供液油井和稠油注蒸汽生產井同需要; ( 4 )可提高抽油機系統效率2 . 24 % ,日耗電量下降39 . 6 % 。
  10. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎,通過質量守恆方程和動量守恆方程,提出了液-液兩相系中彌散傳質連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱穩定性產生條件,計算了液滴尺寸及其分佈對乳化液極大堆砌分數影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過程穩定性而引起懸浮體型態改變,隨液滴尺寸多分散性增大,極大堆砌分數增大;隨液滴平均尺寸增大,多分散性對極大堆砌分數影響減弱;當韋伯數夠大時,液滴尺寸及其分佈對乳化液極大堆砌分數無影響
  11. The characters of bank - to - turn control technology determine that the btt missile ' s mathematical model having kinematical coupling, aero dynamical coupling, inertial coupling and control coupling. so the widely used stt missile ' s autopilot, which is designed to be three - channel independent ca n ' t meet the btt missile ' s control need

    Btt控制技術控制特點決定了btt導彈數學模型存在運動學、氣動、慣性和控制等多種因素,因此目前側滑轉彎( stt )導彈廣泛採用自動駕駛儀三通道獨立設計方法已能滿btt導彈控制系統設計要求。
  12. The mode superposition method, based on equivalent linearization and forcing decoupling method of non - classical damping matrix of energy dissipation systems, is the just one. at the same time, iterative process will increase computing workload and forcing decoupling method increase error

    基於等效線性化強行解振型分解法在一定程度上符此要求,但此方法存在著迭代計算工作量大、強行解增大計算誤差
  13. Circuit design is the basis of design of demultiplexer. speed, power and chip area are the main factors that should be considered in circuit design. every circuit structure has its merits and drawbacks, e. g. cmos logic family has a slower speed, but lower power, smaller area, scfl ( source couple fet logic ) family has a higher speed, but higher power, larger area. we should choose a proper circuit structure or their mixed structure for certain design to get a good tradeoff among the three factors. flip - flop is the fundamental element of demultiplexer, setup time and hold up time are key factors, which influence the speed of circuit, thus the design aim is how to reduce them. in this thesis we place emphasis on the design of scfl latches

    速度、功耗、面積是電路設計要考慮主要因素,電路形式具有優缺點,如cmos互補邏輯電路功耗低,面積小,速度相對較慢; scfl (源極fet邏輯)電路速度高,功耗和面積較大。所以要針對具體設計需要選用適當電路形式或其組結構,以滿設計要求。觸發器是分接器基本組成單元,建立時間和保持時間是影響電路速度關鍵,所以減小建立時間和保持時間是觸發器設計主要目標,本文著重介紹了scfl鎖存器設計和優化方法。
  14. Based on the analysis, we gave an example to study the dynamic contact with friction of the intermittent joint, and got some essential rules : the friction coefficient could n ' t influence the distributing of dynamic stress on the contact surface, and the roading rates affected evidently on the dynamic characteristic on the contact surface. in the last part, this paper made respectively use of the time - history method and the response spectrum method to analyze the dynamic response of the rock slope on baise hydraulic power plant, and got the coincident resultant. simultaneously, the contact theory was applied to study the stability of the intermittent joints

    基於上述接觸理論和接觸分析結果,本文在最後一部分中分別利用動力時程法和反應譜法對百色水電站尾水渠巖質邊坡進行動力響應分析,兩者計算方法得出比較一致結果,同時採用動力摩擦接觸理論重點分析了斷層對于邊坡穩定影響,認為斷層存在會使得巖坡穩定性降低,在地震等動力荷載作用下對于斷層將發生張開、閉和錯動現象,尤其是動力荷載和其他荷載如滲流力等作用將會對斷層產生極為後果,進而影響巖坡整體動力穩定,應該要引起重視。
  15. Besides the advanced manufacturing technology and theory, a series of correlative technologies are required to the implement of networked manufacturing, especially the technologies of distributed computing, information integration and artificial intelligent etc. aiming at their limitations, the paper reconstructed the key supporting technologies employing the last network technologies and protocols, and established a new architecture of networked manufacturing. finally, the demonstrational researches are conducted with " flexible design and manufacturing system of key parts in large - scale antenna " as prototype. the distributed computing platform available of networked manufacturing is constructed with the distributed object technologies such as corba, dcom, rm1 etc, but those rpc modules bring obstacles to the development of global manufacturing due to their limitations

    網路化製造系統是個分佈、異構、鬆散智能系統,除了先進製造技術與理念本身,網路化製造具體實現與實施還需要一系列相關技術支撐,特別是分散式計算、製造信息集成、人工智慧等,論文正是針對當前網路化製造中上述關鍵支撐技術與局限,運用下一代internet核心規范webservices及其相關技術如xml 、 soap 、 wsdl 、 uddi等,提出了面向全球網路化製造全新分散式計算解決方案( global - orienteddistributedcomputing , godc ) ;構造了基於xml - schema製造產品數據描述語言( pdmlbased - xml - schema ) ,給出了express xml及steppart21 xml映射規則,並對基於xml step pdm網路化製造信息集成方案進行了研究;同時運用webservices 、 xml等先進技術與規范對網路化製造multi - agent模型、表示、通訊、調度等進行了研究與重構;最後,以「大型天線關鍵零件網路化製造」為原型進行了應用研究。
  16. But the classic architecture with single processor can ’ t meet the demand any more. now, more and more embedded systems have adopted a distributed structure, which is both a physical loose coupling and a logical tight coupling

    然而傳統單處理器結構已經能完全滿應用需求,越來越多嵌入式系統採用了一種在物理上松、邏輯上緊全分散式系統。
  17. Orb can be well capable to support the integration of distributed heterogeous application, while it lacks of the support to realtime messaging ; mom can do well in asynchronous decoupled communication within enterprise application, but it does n ' t support inter - operation between different products from different vendors, which will set a barrier for future integration

    對象請求代理中間件orb雖具有良好集成分佈異構應用能力,但能有效支持實時消息通信;面向消息中間件mom雖能滿企業應用中異步鬆散通信,但一般mom缺乏實時qos支持且同廠商mom產品難以互操作,給系統集成帶來便。
  18. Based on the component characteristics as independency of development environment, flexibility of soft upgrading, convenience of integration, the dsspf was developed on the platform of visual basic and comgis. the programming processes of soft component and double project test with visual basic platform were introduced, the techniques of integrating gis and model, gis and gps were presented. the dsspf overcoming the shortcoming of running with gis soft platform by using gis re - development language, and can independently upgrade and maintain, thus providing a component - based framework for integrative development and independent running of precison farming system

    以visualbasic為開發平臺,基於組件開發環境獨立性、軟體升級靈活性、集成開發便捷性,圍繞組件gis進行系統集成,著重闡述了代碼組件及雙工程測試在vb平臺上具體實現過程、探討了gis與模型及gis與gps技術,集成后系統克服了使用gis軟體內嵌二次開發語言無法脫離基礎gis軟體平臺而獨立運行,各大組件能單獨升級和維護,為精確農作決策支持系統集成開發和獨立運行提供了組件化技術方案。
  19. To improve the stability, one common method is to install dampers at the roots of blades. however, commonly used dampers can hardly meet different demands when helicopter working in different conditions

    為提高旋翼/機體動穩定性,一般採用在槳葉根部安裝減擺器方法,但目前常用減擺器很難滿直升機同工作狀態下對擺振器阻尼同需求。
  20. Aiming at the problem of system flexibility deficiency caused by the ubiquitous tight coupling of " task - resource " in current manufacture resource model in network manufacture environment, a capacity - based model of manufacture resource is presented and a three - layered process model of " task - capacity - resource " is established, which is described in xml format

    摘要針對網路化製造環境下現有製造資源模型中普遍存在「任務資源」緊密鏈所帶來系統柔性問題,提出一種面向能力製造資源模型,建立了「任務能力資源」三層結構過程元模型,並以xml格式進行描述。
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