built up beam 中文意思是什麼

built up beam 解釋
組合梁
  • built : adj. 1. 建造成的，組合的，拼成的。2. 〈俚語〉體型美的。n. 〈俚語〉體型美，肉體美。
  • up : adv （superl uppermost ）1 向[在]上，向[在]上面；向[在]被認為處于上方的地方或方面〈如河流的源頭，...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  1. The paper is based on an arcuated built - up system bridge - zhongshan no. one bridge to be built in guangzhou, adopts the large universal finite element programme ansys, takes spatial action among members into account, establishes a three - dimension finite element model, and discusses the following several aspects : firstly, when three - dimensional finite model of a complicated bridge is founded, a beam - lattice method is a kind of applied and effective spatial analysis method, which is used to analyze superstructures of a bridge

    本文以廣州市中山一橋為背景，採用大型通用有限元程序ansys ，考慮構件間的空間相互作用，建立了三維的有限元模型，重點對以下幾個方面進行深入探討：首先，在對復雜的橋梁結構進行三維的有限元模型建立時，梁格法是分析橋樑上部結構比較實用而且有效的空間分析方法。
  2. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  3. Thirdly, based on the test results of crc members taken from the field structures, models were built up to predict the strength of crc beam

    再次，基於試驗研究提出了受腐蝕鋼筋混凝土構件極限承載力的預測模型。
  4. So a double beam laser interferometer based on mach - zender structure is built up to study the piezoelectric responses of piezoelectric thin films

    所以，設計了一種基於mach - zender結構的雙光束探測干涉儀來研究壓電薄膜的壓電響應。
  5. Application of type built - up roof beam in face of steep coal seam

    型組合頂梁在急傾斜採煤工作面的應用
  6. The resonant characteristics are analyzed using elastic mechanics theory. using fea method, the model of the resonant component is built up and the effects of different beam materials and chip structures on the performance of the chip are studied

    從彈性力學角度對傳感器的特性進行了理論分析；並用有限元方法，建立計算機模型，分析了不同材料、結構對梁的振動和敏感特性的影響。
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