流力 的英文怎麼說
中文拼音 [liúlì]
流力
英文
hydraulic drag-
Meanwhile distributive laws of seepage force caused by every grade of water decreasing are still educed
同時也得出了每級降水引起的滲流力分佈規律。Development process and tendency of the hydrodynamics of groundwater
地下水滲流力學的發展進程與動向It does not require an impediment to the flow.
它不會造成對流力的干擾。After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control
在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射鏡轉動速度的平穩性和位置的精確性。Dc torque motor under the reaction flywheel control mode was used in nacelle azimuth control in this paper
摘要實現了用直流力矩電機在反作用飛輪控制方式下對氣球吊籃的方位控制。Centered on the investigation on the evolvement of permeability as well as the coupling action between seepage and stress, the following work is carried out : 1. a further examination is given to classical biot seepage theory to discover the basic assumption to form the coupling seepage equation, and discuss the variety of coupling equations between seepage and stress and their adaptabilities. the physical meanings, adaptability, testing method of seepage parameters used in equation of continuum are analyzed based on the experimental investigations on complete relationship between stress, strain and permeability of rock and engineering test on permeability of rock at different depth
本文圍繞巖石破裂過程中滲透性的演化規律及其滲流-應力耦合作用機理這一課題,開展以下方面的研究工作: 1 .對經典biot滲流力學做了進一步的考察,揭示建立耦合滲流方程的主要假設,討論了各種滲流與應力耦合方程及數學模型的適用條件,通過巖石應力應變-滲透率全過程實驗研究和不同深度巖體滲透率工程試驗研究,分析了連續介質模型耦合滲流方程參數的物理意義、適用性、測試方法。There are two modes of convection : free convection and forced convection
熱對流的花樣最多,且和流力有密切關系。Ihmiigh launching co - ilisliihulioii planning s ) ' u ' m, ckvliunic iriminal, ( racing vehicle system, digital material stoic lo cnliance lire inlbmuilion quilily aixl ilie elliciency ol transference is tire way to make ihe decision scientilic. it is mlional lo say lliat logislies infoiniation iretvvoik is ure nervous system of logislies. herc is inlnxlucing ure maluix ; infoiniation reading technologies and inuisilion mcxjels. i ' br uie enhaireing logistics eflicieirey tiaditional busiiress pixtceed aixl construction of inlcr - com | tanies aixl inte r - tleputmeiits also liave to ire lailoixxl. lire ne - cngincering of logistics ixpincsscs aixl tire policies of oalering, inventory, distribution aixl lire lhiixl | nlv logistic aiesludicxlinlcnsivcly, in order to eliminate ure obstacles among logistics at picsenl ihixnigli innovation aixl ic - engincering as well as losatisfy ureireal of e - commerce uiixiugh eflieienl aixl eflcdivx
要實現現代物流的效率還必須根據電子商務的特點對傳統的企業內部及企業間業務流程、結構、策略進行適當調整以實現業務流程在整體上的優化,在業務策略分析中重點研究了物流業務重組、采購策略、庫存策略和配送策略以及第三方物流,力圖通過業務策略的革新與調整來消除現行物流體制中存在的障礙,以實現新型物流的便捷與高效並滿足電子商務發展的需求。It is shows that the mode of the finite element method with the bishop method is better than general modes
結果說明,有限元法與條分法相結合能充分考慮非穩定滲流期滲流力對土壩穩定的影響,比常規方法更符合實際情況。This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation
摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因,運用分子動力學、熱力學和滲流力學等相關知識,基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。Full - bridge pwm motor drive a3952 is introduced in this paper, and an example is given for single phase dc brushless torque motor control
摘要介紹了一種全橋脈寬調制晶元a3952的特點和功能及其在單相無刷直流力矩電機控制中的應用。Turning with the aid of current
利用流力掉頭These clouds don ' t have a strong flow pattern like other paintings
這畫中雲並沒有像其它山水畫一樣有沖流力,看似沒有在動。In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d
為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響,並進行滲流應力耦合作用下巖石破裂機制的研究,本文基於細觀損傷力學和biot經典滲流力學,建立了巖體損傷非線性本構方程和滲透率關系模型,開發出巖石破裂過程滲流-應力耦合分析系統( couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ) ,拓寬了原有程序rfpa2d的研究領域。The paper researches the vortex moment caused by the shape and locality error of one hole in the sphere socket. by analyzing and comparing the result we can find the method to decrease the vortex moment
本課題只研究球窩其中的一個節流孔的形狀和位置誤差所引起的渦流力矩,通過分析比較計算結果,從而找到減小渦流力矩的方法。Ylj series ac torque motor fit for driving the winding, paying out, locked - rotor and speed - varying units for applications in plastic, textile, printing, rubber and metal material processing
Ylj系列交流力矩電動機適用於塑料、紡織、印刷、橡膠以及金屬材料加工等部門作為卷繞、放線、堵轉和調速等設備的動力。Design of speed control system of permanent magnet dc torque motor
永磁式直流力矩電動機穩速系統設計Permanent magnet direct current torque motors - general specification for
永磁式直流力矩電動機通用技術條件Torque motor, d. c. permanent magnet, series j250lyx, specification for
J250lyx系列永磁式直流力矩.電動機詳細規范Permanent magnet d. c. torque motor, type j25lyx01, detail specification for
J25lyx01型永磁式直流力矩電動機詳細規范分享友人