曲率原理 的英文怎麼說

中文拼音 [yuán]
曲率原理 英文
hauptkruemmungen principal curvatures
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  1. Abstract : this paper explains the design of piercing die for steel tube, especially the manufacturing process using bench worker ' s experience to reduce the manufacturing cost. meanwhile, it also introduces the design of bending die for steel tube using the principle of take - out - slug, which can improve the work efficiency

    文摘:介紹鋼管沖孔模具的設計,如何利用鉗工的操作技能來製造上、下沖孔模具,降低製造成本;以及不用抽芯塊的來設計鋼管彎模具,從而提高工作效
  2. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷面能否正確嚙合的依據如兩類界限線方程以及誘導主等進行推導,並給出算例。
  3. Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves

    摘要闡述了循環水泵變頻調速的節能,提出離心水泵相似定律的適用性和等效線概念。
  4. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮子激光內部子間相互作用的影響,就要引入描述有品質因子和子間相互作用綜合作用效果的物量? ?有效品質因子和有效復數半徑,利用heisenberg圖像得到傳播子的有效abcd形式。
  5. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式論的基礎上,引入某一方向的束寬、發散角、半徑和品質因子等光束傳輸參數來表徵橫向勢能滿足x和y分量相互獨立的子激光的傳輸。
  6. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作和結構,在此基礎上,建立了標準振動臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性線,列出了不同頻段間的轉折頻
  7. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型,通過對非線性方程組的迭代求解,得到齒面方程的各個參數;由微分幾何和切齒嚙合推導了齒面上齒廓和齒線方向的參數,得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形,並求得了瞬時傳動比的誤差線。
  8. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學和接觸力學論,提出了可在牙輪鉆頭滑動軸承中採用變結構.在不考慮摩擦的情況下,就結構設計和配合關系等問題進行了分析討論,劃分了準變、吻合變以及間隙變等3種結構形式;針對考慮摩擦時的變結構,提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明,無論是預設計變還是預磨合變,都能改善軸承摩擦副的摩擦學特性,因而值得進一步研究和推廣
  9. The way and principle of gaussian curvature method for forecasting natural fracture zones in coal seam are discussed

    摘要論述了高斯法預測煤層天然裂隙發育區的基本和方法。
  10. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上,利用空間數據挖掘和地形地貌學的基本論,以陜北黃土高多地貌類型區為實驗樣區,以1 10000比例尺dem為樣本數據,探討了dem中地形地貌數據挖掘與知識發現的論方法和體系結構;確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構;系統總結了dem基本地形因子的提取演算法,並重點對坡長、、地形的起伏度、切割深度和溝壑密度因子提取的與演算法作了深入的分析;提出了黃土高地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法;擴充了arcviewgis軟體平臺中dem空間分析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發;完成了對黃土高多地貌類型區(樣區)地形信息空間分異特徵的分析。
  11. The result showed that the red koji produced by millet could produce yield of 30 % - 35 % and had better quality and higher color value than that produced by corn

    該文介紹了以小米為料,採用巨紅3號紅麴黴菌種,生產紅的技術,其中包括料處、冷卻與接種、保溫培養等,接種量為1 %時,生產的紅質量優于玉米,秈米料,色價高,出30 % ~ 35 % 。
  12. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同,即相關聯的隨機方程動態地處于同一概水準,採用模糊隨機加權線性回歸方法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均方差線,從而求得在給定應力下各可靠度的疲勞壽命。
  13. According to the differential geometry theory, the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact, the tooth surface relative speed and the tooth contact interface are analyzed, whose distributing on the tooth surface are visualized by computer

    在齒面的幾何特性研究中,利用微分幾何的分析了圓柱齒輪和面齒輪的齒面、線接觸和點接觸面齒輪傳動的主誘導法以及嚙合過程中齒面的相對速度和接觸區域計算問題,並獲得有益的結論。
  14. Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation

    作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功、轉速的測試和測試方法,提出了採用電測法並結合電機效特性線測量水泵軸功,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。
  15. The method, based on the finite element theory, force - method theory, increment method and middle stiffness method, making use of the increment of curvature of the section, works out the increment of load applying and is proved in this thesis

    接著,本文根據有限單元和力法、增量法及中點剛度論,提出了本文暫且命名為力法的非線性分析方法。該方法通過增加截面的來反求框架外加荷載的增量,並在文中以試驗的框架模型為例,給出了整個推導過程。
  16. In this paper, the fundamentals of cable forces by frequency method are introduced. the curve fitting method is utilized to get the correcting formula of cable forces and frequency through the experiment. on the other hand, a kind of catenary line cable element is introduced in this paper, owing to the inaccuracy caused by correcting struss element in fem

    本文還介紹了頻法測索力的基本,並通過試驗,利用線擬合法得出索力頻之間的修正關系式;其次,由於有限元計算中,索元所採用的修正桿元所帶來的不精確性,對于長索其精度更難保證,因此,本文介紹了一種計算精度高、工作量小的懸鏈線索元。
  17. The paper , via building performance model of boiler - turbine unit , to online determinate curve of consumption in power plant which provides reliable thereunder for realizing load optimal distribution , in view of optimal distribution arithmetic , the improved equal incremental principle and linear programming are adopted , meanwhile , the database with online data disposal and data management is realized

    通過建立各單元機組的性能模型,在線確定機組的耗量特性線,為實現負荷最優分配提供了可靠的依據;在負荷分配演算法上採用了等微增和動態規劃方法,並對現有演算法進行了改進;同時開發了具有在線數據處能力和歷史數據管能力的數據庫。
  18. Hertz least curvature principle

    赫茲最小曲率原理
  19. Principle of least curvature

    最小曲率原理
  20. The performance model and the online fuel consumption curve of boiler - turbine unit are the basis for load optimal distribution. the improved equal incremental principle and linear programming are adopted in plant online load optimal distribution system. the plant online load optimal distribution software is developed with the support of visual basic 6. 0, and is used in two power plants as example

    通過建立各單元機組的性能模型,並在線確定機組的煤耗特性線,從而為實現負荷最優分配提供了可靠的依據;負荷分配演算法採用了等微增和線性規劃方法,並對現有演算法進行了改進;藉助visualbasic6 . 0開發了通用性較好的軟體,並結合兩個實例就軟體分配計算結果的經濟性進行了分析和評估,結果表明,該軟體計算得到的負荷分配方案經濟、可行,具有良好的應用前景。
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