軸面解理 的英文怎麼說
中文拼音 [zhóumiànjiělǐ]
軸面解理
英文
pinacoidal cleavage-
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。In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution
本文在簡要介紹了helfrich的彈性理論及膜方程的基礎上，開創性地引入taylor級數法，在軸對稱膜的邊界條件下，對helfrich膜方程以taylor級數法求解，統一地得到了目前已知的兩個特解：常平均曲率曲面和紅血球形狀解。So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied
為了使研究更加貼近於工程，便於解析處理，提出準面的概念，並確立由準面到準線的研究路線，給出了各種傳動形式下準面與準線的具體特徵，證明了共軛準面上兩準線的誘導測地曲率等於零的這一不干涉條件，進而指出，當準面為平行軸和相交軸傳動的節曲面時，不干涉條件自然滿足。From an intuitional point of view, it seems as if the direction of this timeline can be controlled by the viewers just as history can be influenced by individual power
在較為直觀的層面上，由觀眾掌握的時間軸行徑方向可以理解為歷史受到個人的力量所掌握。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義In order to solve the technological problem of the dredge of raw material flow on the production line, we ? e carried out as overall theoretical and experimental research on the movement characteristic of the raw material on the surface of sifter in the vibratory machine, the dynamics property of the vibration stimulated by inertial double - axes, the flow property of raw material in these store hoppers, the agglomeration and obstruction mechanism
針對生產實踐急需，提出了本項研究題目。本文為了解決生產線物料流疏通的技術難題，對物料在振動篩分機篩面上的運動特性、雙軸慣性激勵式振動篩分機的動力學特性、儲料倉內物料的流動特性、物料結拱及堵塞機理等進行了全面的理論分析和試驗研究。Beginning with the connotation of chinese, the authors analyses the relationship between speech form and speech content, illustrates the ever - changing form should follow its basic rules. comparing with content, the author thinks speech form has the feature of direct perception, the stability and limitation. thus, chinese teaching based on the form is not only in accord with the law of individual perception and psychological development, beneficial to develop the students " perception structure, but also it " s an important principle, the center of chinese teaching, the main foundations to train the students " language ability
本文澄清了人們對語文學科的幾個基本概念的曲解和誤會，從語文的內涵入手，科學地界定言語形式和言語內容的概念與關系，並從學習個體認知學習的心理發展規律和語文教學自身的內在規律方面尋找理論依據，闡述了言語形式雖是「千變萬化」的，但有其基本規律可循，且此基本規律是「千篇一律」的，與內容相比，具有相對的直觀性、穩定性和有限性，所以，語文教學以言語形式為主，既符合學習個體認知學習的心理發展規律，有助於學生良好的認知結構的構建，遷移學習能力的形成及認知能力的發展；同時，以言語形式為主，又是語文教學的一條重要的客觀規律，它是語文教學規律性運轉的「軸心」 ，是培養學生言語能力的「抓手」 、語感能力形成的源泉、弘揚人文性的依託。In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。The mechanism of anti - wear and friction reduction of nanometer cacoa has been discussed and individual opinions of the nanometer particles " existing way and effects have been proposed. 1 ) the shape of the nanometer cacos particle is approximate to that of sphericity. its function is similar to that of the miniature " ball bearing "
6 、探討了納米碳酸鈣粒子的抗磨減摩機理，對于納米粒子在潤滑油中的存在方式和作用提出了個人見解： （ 1 ）納米碳酸鈣粒子近似為球形，它們起了類似微型「球軸承」的作用，從而提高了摩擦副表面的潤滑性能。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In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上，對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述，並提出在傳統的平面圓孔擴張理論基礎上加以改進，採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬，從而得出土體位移、應力、初始超孔壓的空間解析解，同時採用有限元分析、模型槽試驗相互印證的研究方法The difference between axial compressive capacity of beam - column joints and that of columns is introduced when joints are strengthened by various measures. influence of shapes, spiral hoops and ratio of beam depth to side dimension of square column upon axial compressive capacity of beam - column joints is discussed. then economy and security of the relative article in current code are demonstrated and the design recommendations of beam - column joints are given
本文通過6個不同強度等級混凝土樑柱節點試驗，了解在不同的加強措施情況下，節點區的軸心抗壓承載力與柱的理論軸心抗壓承載力的差異，探討了角鋼、螺旋箍筋及梁高與柱截面尺寸的比值h c對節點區軸心抗壓承載性能的影響，驗證了我國現行規范有關條款的安全性和經濟性，並且在此基礎上，為不同強度等級混凝土樑柱節點的設計提出了相關建議。In order not only in theoretics but also in practice to completely resolve the power diagnosis of each cylinder of i. c. engine according to the angular vibration curve of crankshaft, the pc instruments - crankshaft angular vibration measurement and analysis system ( tvm system ) and the electrical calibrator ( tvci system ), in which the soft and hardware resources of computer are sufficiently utilized, are developed by author
為不但在理論而且在實踐上全面解決利用角振動信號診斷內燃機各缸作功狀況的問題，作者開發並研製了一套充分利用計算機的軟硬體資源的pc儀器? ?曲軸角振動測量分析系統（ tvm系統）和電標定器（ tvci系統） 。In other words, the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor. elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope. on the basis of elastic plane - strain theory, the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got
提出均質邊坡開挖鬆弛區可以用彈性理論中的楔形體理論分析，在平面應變問題的基礎上得到開挖坡體的三向應力場之後，可運用考慮安全儲備后的強度條件（主要為摩爾?庫侖或德魯克?布拉格強度準則和單軸抗拉強度準則）解析坡體分步開挖過程中的鬆弛區范圍，給出了具體的計算步驟，並通過算例較詳細地說明了操作過程。Through the studies of the invariants of the single axis motions, computational theories have been developed in this thesis to provide practical solutions for the problem of structure and motion from fitting the corresponding points in the whole sequence to its conic locus or conies for short. it is then shown that all single axis geometry can be directly computed either from one conic and one fundamental matrix or from at least two conies. the rotation angles then can be calculated directly from using the laguerre formula
本文通過詳細分析單軸旋轉運動中的不變量，利用物體點在單軸旋轉運動中軌跡為圓，而在圖象平面的投影為二次曲線的這一特徵，以二次曲線為分析的基元，研究了求解單軸旋轉運動結構問題的新理論和一系列新演算法，並在此基礎上完成了物體的三維重建等工作。An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors
在ccos控制模型及理論計算方面，提出了一種適用於高次離軸非球面最接近球面計算的優化演算法，經計算，某矩形離軸非球面最接近球面半徑的求解精度較傳統的「三點法」有了較大的提高，理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ；提出一種基於磨頭與工件的相對位移量的控制模型，並且開發了阻尼卷積迭代演算法，引入「虛擬加工」的概念進行迭代求解和參數評價。Based on the scalar diffraction theory and the boundary condition of rayleigh - sommerfeld, the accurate on - axis propagating wave function of plane wave diffracted by small circular band is obtained by solving the first integral of rayleigh - sommerfeld
摘要從標量衍射理論出發，採用瑞利索末菲衍射邊界條件，通過求解第一類瑞利索末菲衍射積分得到平面波經圓環衍射后軸上的波函數，進而分析軸上的光強特性以及光強極值數量、位置和大小與衍射圓環內外孔徑的關系。2. based on the mindlin ’ s solution of displacement, the distributing expressions of the shear stress and the axial force in anchorage are derived, and the mechanical characteristic of anchorage is analyzed, which indicates the mechanics of the support more deeply. the method of confirming the length of anchorage is proposed
2 、根據mindlin 』 s問題的位移解，推導出了錨桿的界面剪應力和軸力分佈規律，並分析了錨桿的受力特性，進一步了解錨桿柔性支護的作用機理，在此基礎上提出確定錨固長度的計算公式。The article probes into the theory of detection, analyze the magnetic bridge by the ideal mathematics model. study the ability of differentiation by the axes of the theory of magnetic bridge and design the corresponding sensor to make the converting come to reality
本論文對該檢測原理進行了具體的探討，通過建立數學模型對其進行了磁路分析，研究了磁橋路檢測原理的軸向解析度，且設計並製作出相應的缺陷檢測傳感器，實現了鋼絲繩金屬截面積損失信號向電信號的轉換。分享友人