distance element 中文意思是什麼
distance element
解釋
距離元-
First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。 -
The oil industry is marked by an element of danger, hence the siting of refineries is at a distance from population centers.
石油工業的特徵是有一點危險性，所以煉油廠的廠址在遠離人口集中的地方。 -
The grid division was used to sign the environment, and the grid side expressed the element information and the distance information, thus reducing the computation quantity of the algorithm
採用柵格劃分環境、柵格之間的邊表示信息素和距離信息減少了演算法計算量。 -
( 3 ) uniformed contours stacked together and constructed real boundary element method ( bem ) calculation models for e / meg research respectively by minimum distance method and 3d - delaunary based triangulation growth method. finally developed visualization algorithm based on surface rendering for the purpose of integration of structure and function information
在構建剖分模型上，用基於最短對角線（在兩層輪廓中心偏離較大的情況下，對輪廓進行了對中變換）和基於3ddelaunay的方法構建了計算模型；基於表面繪制的思想，實現了頭和腦的可視化。 -
For this purpose, the thesis whose research structure is a building with frame - shear wall structure at first two stories and five - floor brick masonry structure at the upper part, adopting the finite - element analysis program - algor99, calculated and analyzed the anti - seismic behavior influenced by the change of the aseismic wall ' s distance and the transitional floor ' s thickness
為此，本文以一底部為兩層框架抗震墻、上部為五層磚混結構房屋為研究對象，運用大型有限元分析軟體? ? algor99 ，對由於抗震墻間距和過渡層板厚的變化對結構的抗震性能的影響進行計算分析。 -
Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation
三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題，它依照嚴格的幾何關系進行目標定位，是測量目標距離、方位等參數的主要依據，時延估計的精度直接影響彈道跟蹤系統的精度，為提高時延估計精度人們進行了大量的研究和探索。 -
When subjected to pressure, the capsule element moves a predetermined distance
當受到壓力時，膜盒移動一個預設距離。 -
These four ship ' s class societies all use two holds length finite element modal near the central section. they mesh the finite element modal mainly according to the distance of longitudinal frames, we call this fine mesh finite element modal. the elements in the modal are mainly shells and beams
這四家船級社相同之處是都採用了船舯附近的兩艙段長的有限元計算模型，有限元模型單元的劃分主要依據縱骨間距和肋距，即所謂的細網格模型，結構單元以板殼單元和梁元居多。 -
This paper applies nonlinear finite element program bsnfem to analyze the behaviors of eccentrically braced steel frames under cyclic load. the study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel frames have been some studied before. this paper fills the black in the filed factor of high - span ratio, brace stiffness and brace - to - beam connections to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel trames and any factor to be changed affect energy - dissipation capacity of y shape eccentrically braced steel frames
對耗能梁段的長度、耗能梁段腹板的厚度、耗能梁段翼緣的厚度、耗能梁段加勁肋的間距、耗能梁段加勁肋的厚度、支撐的夾角等因素的改變對d形、 k形偏心支撐鋼框架耗能的影響，前人已有一些研究，本文對這些因素的影響進行了全面系統的分析，完善了理論分析的不足；而結構高跨比、支撐剛度、支撐與梁的連接形式等因素對d形、 k形偏心支撐鋼框架破壞機理的研究以及各種因素對y形偏心支撐鋼框架破壞機理的影響，則很少有人涉及，本文對此也進行了深入系統的分析，填補了這一研究空白。 -
This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based
本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。 -
For such calibrations it is necessary that the sensor element be mounted and sealed in a glass sheath so that the distance from the tip of the element to the bottom of the head of the thermometer is at least 450 mm, and the diameter of the glass sheath should not be greater than 8 mm
進行上述校正時，感溫元件必須裝于及密封於一玻璃套內，而該感溫元件的尖端與溫度計把手部份的底部最少距離450毫米，該玻璃套的直徑不得超過8毫米。 -
In the case of dipole model, it gets the precision distribution of the electric field of the inside and outside of the particle by solving the laplace equation. the influences of the separation distance of the particles on the shear yield stress are investigated. and the result of the laplace is also contrasted with the result of the finite element by ansys software
在極化的狀況下，利用求解laplace方程，求解出多粒子下粒子內部的和周圍的局部電場的表達式，求解出粒子表面的極化電荷、粒子內部的和外部的局部電場，考慮了粒子間距對局部電場的影響，還分析了，在不同外加電場下對局部電場的影響，並且與ansys有限元的數值結果模擬進行了對比。 -
Based on some discussions on the mathematic model set up for the cathodic protection potential field, a two - dimensional boundary element method ( bem ) is developed, and by using which, a study on the shielding effect resulted from some typical inner structures such as the reinforcing elements and the partition walls with man holes on distribution of potential and current density in the cathodic protection is performed. the investigated parameters which affect the shielding effect in the calculating model include : the height and thickness of the reinforcing elements, the distance between the anode and the reinforcing elements, and the diameter of man hole on the partition walls, and so on
本文在討論了陰極保護電位場問題的數學模型的基礎上，以二維邊界元法對陰極保護問題中的電位及電流密度分佈進行了模擬計算，重點對船舶壓載艙中的典型結構如加強筋、人孔等在陰極保護中所產生的屏蔽效應進行了分析和研究，通過對不同高度、厚度的擋板及不同孔徑的帶孔板所產生的屏蔽效應進行模擬計算，首次得到了一些對實際工程設計具有重要參考意義的見解。 -
It shows that the accuracy of the virtual boundary element method is better than that of the boundary element method as the distance between virtual boundary and real boundary is optimum
對強流電子槍的計算表明，在同等條件下，取定最佳的虛實邊界距離與邊界單元數，虛邊界元法較邊界元法的精度要高。 -
As one of modern design methods, long - distance online calculation is a method which can be easy to fulfil sharing the resouce of design. here penman compiled a suit of software providing the service of structure analysis and optimize for the water processing equipment by www server. it ' s platform to develop and run is microsoft windows 2000 server with iis 5. 0. the technology is based on microsoft asp, and the programming language is vbscript. then, there is a contrast calculation test between this suit of software and ansys 6. 0 for the representative structure of the 3 kind of beam. the intent is to evaluate the suit of software. the result indicates : its correctness of calculation result is better ; only for the amount of the element is too few, the calculation result is relatively large. so this is a safe scheme
筆者以windows2000server和iis5 . 0為開發和運行平臺，基於microsoft的asp技術，使用vbscript語言編寫了一套可通過ww服務器提供水處理設備遠程結構分析和優化服務的軟體。並且針對3種梁的典型結構進行了與ansys6刀的計算結果對比測試，對這套軟體進行了評估。測試結果表明：這套軟體在計算結果的正確性方面表現較好，只是由於單元數目較少，導致計算結果偏大，但是這是屬于比較安全的方案。 -
These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide
基於這一點，本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究：通過風洞模型實驗，研究了大型高速滑坡凌空飛行階段的空氣動力學效應，研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應，通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應，並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程，研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程，並對頭寨滑坡流體化運動機理進行了實例分析，取得了以下主要結論和成果： （ 1 ）對于大型高速滑坡，大多在啟程活動階段已獲得了高速，這使得這類滑坡在其離開剪出口之後以凌空飛行的形式向前運動，在其飛行過程中，滑坡巖體與空氣強烈作用，並產生空氣動力學效應，滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下，在遠程活動階段，以高速碎屑流的形式向前運動。 -
In this paper, i have analyzed the distortion of continuous rigid frame bridge at the condition of temperature uniform change by displacement method and finite element method computer aided design program - sap91. it included : the distortion and inner force condition at the bottom of single pier when it is consolidated, the distortion and inner force condition of thin double piers - rigid frame bridge ; the distortion and inner force condition of thin double piers - rigid frame bridge when the consolidation is elastic consolidation and confinement adopted different rigidity factor ; and the inner force condition of thin double piers - rigid frame bridge when the distance of piers is different
本文利用位移法和結構有限元電算程序sap91 ，對連續剛構體系橋梁在受到均勻溫變情況下：墩底固接單柱墩、雙薄壁墩連續剛構橋；墩底彈性固接時的雙薄壁墩連續剛構橋採用不同轉動約束剛度系數情況；以及雙薄壁墩墩間距不同的連續剛構橋梁的受力情況進行了分析和比較。 -
Based on the theoretical calculation and the magnetic performance index, so - called " effective magnetization intensity ", an optimized scheme for a permanent magnetic thin film array is proposed, which is " given 10 m thickness film, the optimized size of the units is 40 m 40 m, while the distance between them is 10 m " finite element methods is employed to characterize the magnetic properties of a permanent magnetic thin film array with magnetic anisotropy
在此基礎上，按照永磁薄膜陣列的「有效磁化強度」磁性能優化指標，求出了一個較理想的永磁薄膜陣列設計方案：對10微米厚的永磁薄膜，陣列單元為40 m 40 m ，間距為10 m 。本文利用有限元分析方法初步研究了各向異性永磁薄膜陣列的磁性能，得到了關于永磁薄膜陣列的磁化特徵，驗證了解析計算採用的均勻磁化假設的合理性，同時分析了磁場中永磁薄膜受到的磁力與薄膜厚度的變化關系。 -
In non - destructive x - ray fluorescence analysis with thick target, correction method for difference in fluorescence intensity of elements due to sample shape and different distance to the source detector with yttrium as an outer mark element was studied
摘要在厚靶的非破壞性x射線螢光分析中，以釔做外標元素，研究了不同樣品形狀及與源、探測器距離不同時，引起接收到元素螢光強度差異的校正方法。 -
As a wholly new economic conformation, new economy has induced transformation of the society, marked as powerful individual computer, high - speed long distance communication and internet it made all economic layers in the stage of revolution and also behaved prominently that knowledge element has been one of the most important economic resources and the modes of manufacture organization, market organization etc. at this new circumstance, multinational corporations are sure to be affected by the new economy and the foreign direct investment is sure to show a lot of new points too
作為一種全新的經濟形態，新經濟以能力強大的個人電腦、高速遠程通訊和國際網際網路的快速發展為標志，引發了人類社會的轉型變化，使社會經濟的各個層面都處在一個變革的階段，突出地表現為知識要素成為最重要的經濟資源以及生產組織方式、市場組織方式等產生深刻變化，並逐步形成新的社會生產體系、新的市場結構和新的社會環境。在這種新的環境下，跨國公司的對外直接投資必然要受到新經濟的影響，跨國公司對外直接投資也必然會出現?些新的特點。
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