軸定理 的英文怎麼說
中文拼音 [zhóudìnglǐ]
軸定理
英文
hauptachsentheorem principal axis theorem-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。Based on the three new supposition and the tow new mechanical tools : moment vector and radius vector, the warping theory introduced the analytical method of the rotation of a cross section around a fixed axis, so as to make the space stability of the thin - walled member complanate and one - dimensioned
翹曲理論以三條新的假定和新建立的彎矩矢量和轉角向徑兩大力學工具為基礎，提出了繞定軸轉動的分析方法，使薄壁構件的空間變形平面化、一維化。Chapter 3 erected the relationship between refraction error and cornel ablation depth in theory. the paper proposed various mathematical models which can be used for proceed the simple myopia, simple hypermetropia, compund myopia astigmatism, compund hypermetropia astigmatism, simple myopia astigmatism, simple hypermetropia astigmatism, mixed astigmatism. the influence of the astigmatic axis and the degree of astigmatism on the correction field is discussed. wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation
以數學的方法研究出了屈光性單純近視、屈光性單純遠視、復性近視散光、復性遠視散光、單純近視散光、單純遠視散光、混合性散光屈光矯正的物理模型；並揭示了不同軸位的轉換規律，對不同散光情況下的初始角膜兩個不同方向的曲率半徑和手術后最終的曲率半徑作了定量的研究。Effective approaches of forming & refining cc is also presented correspondency. this paper, taking xibei group as an object of study, discusses cc in detail using the method of quantitative & qualitative analysis, theory & practice analysis, enriches the theory related cc, establishes a set feasible indicator system of cc evaluation, presents some effective approaches to form & improve cc. the research conducts in this paper is also useful for other enterprises
本文運用比較分析、系統分析、定性與定量分析、理論與實踐分析等方法，以西軸集團為研究對象，對核心競爭力做了深入研究，豐富了有關企業核心競爭力的理論；建立了一套可操作性強的評價指標體系，一定程度上彌補了核心競爭力知識在此方面的不足，為核心競爭力的量化做了有益探索；提供了一些有效的培育和提升的途徑和方法，對那些可望塑造核心競爭力的企業具有參考價值。Under the assumption that the inner surface of stator sleeve and outer surface of rotor are smooth, taking the fact into account that the temperature of stator sleeve of evaporation cooling motor keeps almost the same, horizontal evaporation cooling motor is simplified as a physical model of two coaxial sleeves, with outer sleeve ( the stator ) holds still and keep at constant temperature and inner sleeve ( the rotor ) is rotating and heated
本文通過數值和實驗手段研究了臥式蒸發冷卻電機楔形氣隙中的流體流動、傳熱現象。本文在定子套筒和轉子表面光滑的假設下，針對蒸發冷卻電機定子套筒壁面基本恆溫的特點，將實際蒸發冷卻電機簡化為同軸套筒內筒加熱旋轉、外簡靜止定溫的物理模型。Since the preload and the friction moment of the geminate bearing are dominating factors affecting the performance of the navigation platform frame system, based on theoretical study on the control methods of bearing ' s preloads and frictional moment, the paper puts forward a method to control the preload of the twin bearings accurately. moreover, a multifunctional test apparatus of the navigation platform bearing is designed, and a lot of experiments of bearing ' s rigidity and friction moment and preload assessment are done
考慮到成對軸承預載荷和摩擦力矩是影響導航平臺框架系統性能的主要因素，本論文對成對軸承預載荷及摩擦力矩控制技術進行了理論研究，提出了一種精確控製成對軸承預載荷的配對方法，設計了導航平臺軸承多功能測試儀，並對導航平臺軸承的剛度、摩擦力矩和預載荷評定技術進行了試驗研究。The expression of magnetic moment of an electrified body is similar to that of moment of inertia of a body with various density
摘要帶電體定軸轉動的磁矩計算與剛體定軸轉動的轉動慣量相仿，平行軸定理有助於磁矩計算。A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致The details of the construction and characteristics of the new finite - difference scheme are presented in this thesis, by using both the integration theorem and the taylor expansion theory. it is proved that the new approach has the second - order accuracy on the grids with axis - symmetric voronoi cells and at least has the first - order accuracy in general. according to this character of the scheme and the computational requirements of the finite - difference approach, a striping procedure is involved to decompose the velocity model into variable spatial size grids with a nearly constant tune step preserved
本文從積分定理和taylor展開兩個角度，詳細分析了基於voronoicell的非規則網格有限差分演算法的構造過程及性質，並且在理論上證明了本文的差分方法的精度與網格形狀的關系：當voronoicell為關于節點的軸對稱圖形時，本文差分方法具有二階精度；在一般的網格上，則至少具有一階精度。The paper introduced the space stability theory based on the method of the rotation of a cross section around a fixed axis of the thin - walled member, and made some simply discursions. according to the theory, a programme was worked out to analyse [ - shaped, t - shaped and l - shaped axes columns. using the results of the programme, the paper has made the graph of the critical force changing by, and furthermore analysed the characteristic of the thin - walled members " space stability
本文對基於繞定軸轉動理論的薄壁構件的空間穩定理論進行了介紹和簡單的分析論證，並根據此理論編程對「 [ 」形、 「 t 」形和「 l 」形軸壓構件進行了大量計算，作出其空間穩定臨界力隨長細比的變化曲線圖，對其空間穩定特性作了一定的分析。In this dissertation, a key point of the study is to build up a mathematical model of the character impedance the swr sensor. the structure of four equal - length probes can be viewed as a special form of coaxial hansnussion line. combining the character impedance of coaxial and the para1lel transmission line, the character impedance model of probe with eqtlaling length was built up by utilizing mathemaical theory of approach
本文將四針等長式結構的土壤水分探頭看成是同軸傳輸線的特殊形式，從標準傳輸線特徵阻抗入手，結合平行傳輸線，運用數學上常用的夾逼定理，得出了四針等長結構的土壤水分探頭特徵阻抗數學模型，由此提出swr型土壤水分四針不等長探頭的特徵阻抗數學模型。Abstract : based on the c. carathe " odory theorem, several conclusions related to near - axis image formation in an axial symmetric optical system have been verified by means of the projection transformation
文摘:以卡拉西奧多里定理為基礎，用投影變換驗證了在均勻的各向同性介質中具有軸對稱性的光學系統近軸成象的結論。Parallel axis theorem
平行軸定理Parallel axis theorem and k ? nig theorem are deduced from the two laws of rotation
摘要由兩個轉動定律導出了平行軸定理和柯尼希定理。Parallel exis theorem
平行軸定理General form of perpendicular axis theorem
垂直軸定理的一般形式Perpendicular axis theorem
垂直軸定理A general form of the perpendicular axis theoremis provided, and an example is also persented to explaing its extensive applications
摘要給出了垂直軸定理的一般形式，並舉例說明了其更加廣泛的應用。Outer similar axis : the line joining three outer similar points x, y, z of three circles is called outer similar axis ( or monge line )
外相似軸：給定三圓，則三對外相似點x ， y ， z在同一直線上（蒙日直線） 。此性質又稱為"蒙日定理" 。The ci hangs flying saucer to settle the stalk theories according to the physics magnetic field principle and the top, a kind of miraculous ci that develops but becomes suspends science and technology to grow in wisdom a toy, at your operate with meticulous care under, the magnetic levitation flying saucer will enter to hang to get empty to fly to float appearance mysteriously, as if real space flying saucer, the view is unusual, you will get from it endless of the fun and the fancy
磁懸飛碟磁懸飛碟是根據物理學磁場原理及陀螺定軸性理論，研製而成的一種神奇磁懸浮科技益智玩具，在您的精心操作下，磁浮飛碟會神秘的進入懸空飛浮狀態，猶如真正的太空飛碟，景觀奇特，您會從中得到無窮的樂趣和遐想。分享友人