等向性壓縮 的英文怎麼說
中文拼音 [děngxiàngxìngyāsuō]
等向性壓縮
英文
compression; isotropic-
Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters
本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ，針對非文克爾地基（半空間、線性變形層或單向壓縮層地基模型等）上的樁基承臺梁，提出一種利用地基柔度矩陣來進行迭代的有限單元法，可充分考慮梁下土體的連續性，並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。Neglecting the influence of some factors, such as liquid ' s viscidity etc., upon the process of empty bubble breaking, the authors analyze the pressure variation on bubble ' s wall in all directions when it shrinks, and deduce the equation of its moving track towards the rigid side wall under the function of asymmetry pressure
摘要通過對忽略液體粘性等一些因素對空泡潰滅過程的影響，分析了空泡在收縮過程中，泡壁四周壓強的變化，得出空泡在此不均勻壓強的合力作用下向剛性邊壁運動的軌跡方程。For unmagnetized, relativistic and hot ion plasmas, the ion - acoustic waves can be described by the kadomtsev - petviashvili ( kp ) equation ( ( ut + auux + buxxx ) x + duyy = 0 ). it suggests that the nonlinear ion - acoustic solitary waves in a relativistic hot ion plasma are stable even there are some higher order transverse perturbations. there are only compressive solitary waves in the relativistic hot ion plasmas which has been vertified analytically
在低階近似下，無磁場相對論熱離子等離子體可由kp方程（ （ u _ t + auu _ （ x ） + bu _ （ xxx ） _ x + cu _ （ yy ） = 0 ）來描述，相對論熱離子等離子中的非線性離子聲孤波在高階橫向擾動下是穩定的，且在相對論熱離子等離子體中僅存在壓縮型孤波It should select several classical itineraries, establish secured service systems extending to conference service, reduce the total number of management personnel at lhasa headquarters, increase marketing personnel, and establish representative offices in beijing, shanghai and guangzhou. xta should try to establish a cooperative relationship with government offices, universities, labor unions, communities and by direct marketing and profit sharing
選擇幾條最經典的線路，建立確保安全性的和向會務延伸的服務體系，壓縮拉薩本部的管理人員，擴大營銷隊伍，設立北京、上海、廣州代辦處，以直郵廣告和直接營銷為主，重點對這些城市的政府、高校的辦公室、工會、學會等部門負責人進行接觸，採取分利的手段，爭取建立合作關系。One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet
電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用，它將電視事業帶入一個新的高速發展時期，以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點，不僅將圖像聲音和文字等信息數字化，而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態，特別是其採用了數字信息在線廣播方式，觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique
波阻抗梯度飛片作為一類新型的功能梯度材料（ fgm ） ，因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中，可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress
研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時，軸向和環向載荷的比率不同，母層和子層可能發生拉伸屈曲，也可能發生收縮屈曲，或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異，即泊松比與剪切模量不匹配時，將使子層板的邊界上承受壓縮和剪切作用，當分層達到臨界狀態則發生屈曲，當母層與子層的各向異性差異越大，則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi - continuously along the thickness " direction and thus has quasi - isentropic compressive characteristics, has come to show great potential for the application in dynamic high - pressure technique
波阻抗梯度飛片作為一類新型的功能梯度材料，因其波阻抗值沿厚度方向呈準連續變化，而具有準等熵壓縮特性，可以看作是功能梯度材料在動高壓物理研究領域中的應用新拓展。With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test
本文首先採用目前國內較先進的微機控制動三軸儀，利用其可以適時採集和儲存數據的優勢，對砂土的實驗過程進行了細致的分析，研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系，對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究，探索了砂土的動力特性，分析了影響砂土抗剪強度的各種因素，這些因素既包括土本身的特性（土的密度、結構、級配、透水性以及初始狀態等） ，又包括動荷載的特徵（振動力幅值大小和振動頻率等） 。Furthermore, in the second part, the author makes a deeply discussion and research on the design scheme of dalian tv station non - linear av editing network including the double - net framework, the digital compress technique, the virtual storage technique, the choices of digital compress format, the account of terminal stations, the manage functions and security of the system, etc. finally, in the third part, the author introduces the progress of non - linear av editing network in the future, showing the choices of compress format, software function, i / o interface, whole system of programming and broadcast, combining with internet and interactive tv, points out the direction of tomorrow tv technology system
在此基礎上，隨后在文章第二部分對大連電視臺的非線性視音頻編輯網建設從其核心技術與具體網路設計方案進行了詳細的闡述。其核心技術主要包括雙網結構、數字壓縮技術、虛擬存儲技術等；具體網路設計方案則包括數字壓縮格式的選擇、站點的數量及功能、系統的管理功能及安全性分析等幾個方面。文章的第三部分則主要通過壓縮格式選擇、軟體功能、上下載介面、制播一體化、與internet結合、交互電視等方面展開對電視臺非線性編輯網路的發展的論述，指出未來電視技術系統的發展方向。The inherent relationship between fisher linear discriminant analysis and karhunen - loeve expansion is revealed, i. e., ulda is essentially equivalent to one classical k - l expansion method. moreover, we enhance ulda using the idea of another k - l expansion method, and finally an optimal k - l expansion method is developed
揭示了具有統計不相關性的線性鑒別分析與經典的k - l展開方法的內在關系，即不相關的線性鑒別分析方法與包含在類均值向量中判別信息的最優壓縮方法是等價的，並在此基礎上導出了一種最優k - l展開方法。Applied the above theory and the dem program trubal, the unilateral compress problems for the regular generated particles with an interstitial fluid are studied, and the macro - strain - stress curves varied with the fluid properties and the velocity of the wall are gotten. then, he unilateral compress problems for the random generated particles are numerically simulated, and the macro - strain - stress curves are obtained. moreover, the numerical simulation results for the dry and moist cases are compared
利用上述理論以及demtrubal程序，研究了存在填隙流體時顆粒規則排列單向壓縮問題，得到了宏觀應力應變曲線隨流體性質、壁的運動速度等的變化規律；並對隨機排列單向壓縮問題進行了數值模擬，得到了宏觀應力應變平均曲線；並對干、濕兩種情況下顆粒的模擬結果進行了對比。Based on the previous and through the uniaxial tension damage experiment and comparing to the uniaxial compression damage experiment, the paper makes research on the anisotropism of the damage and the difference of the damage between the uniaxial tension and the uniaxial compression, combining with orthogonal anistropic damage model and exponent function damage developing equation. through the formulae deduction, the damages caused by the same absolute value tension and compression strain have the comparing character in some extent and corresponding decay coefficient
本文在前人研究的基礎上，通過單軸拉伸損傷試驗，及其與單軸壓縮損傷試驗的比較，進一步結合正交異性損傷模型與指數函數損傷演變方程，對混凝土體中損傷的各向異性以及單軸拉伸和單軸壓縮情況下損傷的差異性進行了研究探討，經過公式推導，提出絕對值相等的拉、壓應變產生的損傷具有一定的可比性，並給出了進行可比性換算的折減系數。Consider fluid person who compress and multistage centrifugal pump trends nature actual conditions of axial force, have analysised on the dynamic characteristic of this system in the article
考慮到油液壓縮性及多級離心泵軸向力的動態性等實際情況，文中就該系統的動態特性作出了分析。After the image lifting wavelet transformation, its coefficients have some characteristics, for example : the frequency compression characteristic, namely the primitive image energy majority of gathers to the low frequency sub - belt ; spatial compression characteristic, namely high frequency sub - belt energy majority of centralisms in primitive corresponding and so on image edge, outline position ; the coefficient distribution similarity, namely in the
經提升小波變換后，其系數具有如下特性:頻率壓縮特性，即原始圖像的能量大部分聚集到低頻子帶;空間壓縮特性，即高頻子帶的能量大部分集中在原始圖像的邊緣、輪廓等對應的位置;系數分佈相似性，即同一方向上各級子帶系數幅值分佈大體一致。In 1860, schrodinger first put forward the concept " schrodinger equations " in quantum mechanics and since then, the study on schrodinger equations has never stopped, for the mathematical description of many physical phenomena belongs to the field of schrodinger equations, such as nonlinear optic, plasma physics, fluid mechanics etc. as for the form of schrodinger equations, linear schrodinger equations was gradually replaced by nonlinear schrodinger equations ; as for the methods of solving schrodinger equations, the modulus estimate of energy, the principle of contraction mapping, fourier transformation and harmonic analysis are used ; as for the space of the solutions, many people have worked on the problem in bounded domain, euclidean space of dimension n, periodic bounded conditions and mixed regions and they also combined it with the generalization from low dimension to high dimension
） dinger方程，如非線性光學、等離子物理、流體力學[ 21 ]等；在方程形式上，從線性schr （ ? ） dinger方程到非線性schr （ ? ） dinger方程；在處理方法上，用能量模估計、壓縮映象原理和fourier變換調和分析等；在方程解空間上，研究有界區域、 n維歐氏空間、周期性有界區域和混合區域等，並且結合從低維向高維推廣。It has been researched and widely used abroad, but is still new in our country, and the test method of bonded resilient baseplate has not been mature and standarized
總結了壓縮型軌道減振器的各種性能的試驗方法，包括剛度和變形、垂向升舉、橫向約束、縱向約束、疲勞、低頻動剛度等試驗。分享友人