flat beam 中文意思是什麼

flat beam 解釋
平直束
  • flat : n 1 〈英罕〉地板；（房屋的）一層。2 一套房間；〈pl 〉分宅公寓〈美國高級公寓叫 apartment house〉。...
  • 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. This is due to the fact that laser beams with a flat - top profile or other kinds of profiles are desired in various applications, such as in the applications of laser fusion, laser heat treatment and optical data processing etc. nevertheless most of study on the beam shaping is concentrated on the beam shaping of spatially completely coherent beams

    光束整形之所以熱門，是因為這些特殊形式的光束可應用於激光光學及生物醫學等領域。例如，平頂光束可應用於激光核聚變、激光熱處理等領域。然而，研究者對部分相干光的光束整形的研究還很少。
  2. At present, feas have potential for use as an electron source in a wide variety of applications, including microwave power amplifiers ( such as twts, klystron ), flat panel displays, electron microscopy, and electron beam lithography

    目前，場致發射陣列陰極的應用領域十分廣泛，主要包括微波器件（應用於twts ， klystron等） 、平板顯示器（ feds ） 、電子顯微鏡及電子束刻蝕系統等。其中，應用研究的焦點主要集中在平板顯示器和射頻功率放大器。
  3. This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass, in certain condition, it can be also used in bevel cuttig, bevel grinding and polishing for soft stone panel. the contrilling system adopts plc, it can accomplish automatic grinding cutting after entering processing parameter, convery speed adopts speed adjustment of fre quency conversion, direct drive of wheel head motor, all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally. the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning, and position limitation of two pass is much more reliable

    Sxm371pa型玻璃直線斜邊磨邊機是用於玻璃直線斜邊斜切，斜磨及光拋的專用設備，在一定條件下也可以用於軟石板材的斜切斜磨及拋光。控制系統採用plc控制。輸入加工參數后可自動完成磨削傳送速度採用變頻調速，磨頭電機直接傳動，所有加工參數調整運動副全部採用直線滾動導軌，前梁與磨頭整體升降，輸入輸出傳送採用同步形帶，光電開光定位，雙行程限位更安全可靠。
  4. The aseismatic behaviors of the two frames are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc, to find the influence of steel - fiber concrete to the aseismatic behaviors of the prestressed concrete flat - beam frame structures

    計算機模擬模擬結果和試驗結果的比較發現，在框架的開裂破壞形態、極限承載力等方面基本吻合。該研究成果可為扁梁框架結構體系的設計和有關規范的增補提供依據，具有很好的應用前景。
  5. As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics

    對球形薄殼結構隨靜水外壓的情況，應用平板理論中的vonkarman大撓度基本方程，將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題，進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。
  6. In this paper, the steps and frame of analysis and design is presented and the influence of column capital, drop panel, edge beam and flat beam on structural analysis is introduced

    在本文中，還給出了預應力混凝土板柱結構用等代框架法進行分析和設計的步驟和框圖，闡述了柱帽、托板、邊梁、扁梁對結構內力分析的影響。
  7. In order to make the mgb more easy - operating, ultrasonic testing simula - tion software was designed and developed, which has a good user - oriented interface and can simulate easily the inspection fields of planar transducer, focused transducer and angle beam transducer. it also can help inspectors analyze the inspection procedures and predict the feasibility of actual ultrasonic testing, then choose suitable inspection parameters. the side - drill hole and flat - bottom hole are commonly used in ultrasonic

    為了使多元高斯模型使用更加方便，本文設計並開發了基於多元高斯聲束理論的超聲檢測聲場模擬軟體，該軟體具有良好的圖形用戶界面，操作簡單，可方便地實現直探頭、聚焦探頭和斜探頭的檢測聲場模擬，可幫助檢測人員進行檢測過程的分析及結構件的可檢性預測，並選擇合適的檢測工藝參數。
  8. The method of beam track is introduced to briefly analyze the light - heat property of the surface porous metal plate, and a condideration to adopt the surface porous plate to replace flat plate as the collecting heat plate is proposed

    作者通過光線跟蹤法多孔板的光熱性能作了簡單的分析，並設想採用表面多孔金屬板代替光滑板作為太陽能集熱器吸熱板芯。
  9. Then calculate the member individually, including the calculation of load - behavior capacity, the calculation of high strong bolt with the method of connection with beam, the design method of stiffening rib, etc. the text educed the above - mentioned formula theoretically. 5. linking with windmill flat engineering example in the third youth flat engineering of yi zhuang development area, beijing, it and steel frame constitute the steel frame ? steel shear wall with slit system respectively are analyzed the whole structure by ansys and satwe

    既利用剛度等效的原則，把其轉換為工程計算軟體可以計算的支撐體系，然後對構件進行單獨計算，包括承載力的計算、和梁接合方法? ?高強螺栓的計算、加強肋的設計方法等內容； 5 、帶縫鋼板剪力墻與鋼框架形成鋼框架? ?帶縫鋼板剪力墻結構體系，結合北京亦莊經濟開發區青年公寓三期工程中的風車公寓工程實例，分別採用ansys和satwe進行了結構整體分析，兩者的計算結果相吻合。
  10. Based on the previous research results, the test study on quasi - static seismic resistance behavior of the monolayer and single - stride prestressed concrete flat - beam frame structures are mostly carried through. the low - cyclic reversed loading test of two frames with the same size and the same intension grade are conducted. one frame is made of ordinary concrete, the other is made of steel - fiber concrete

    研究結果表明：將鋼纖維摻入混凝土中用於框架結構，能使預應力扁梁框架具有足夠好的抗震性能，只要設計得當，可以形成梁鉸耗能機構及整體破壞機制，且具有較好的耗能及抵抗強震的能力。
  11. Through comparing the distribution of energy in biological tissue generated by single and multi - beam as well as flat and gaussian light, influence of various light sources and the light spot size on the distribution of light absorption is analyzed

    通過比較單束以及多束均勻分佈光和高斯分佈光照射下組織內的光子能量分佈規律，分析了不同光源和光斑大小對光吸收分佈的影響。
  12. Until now many methods have been proposed to generate the flat - top or bottle beam intensity distribution

    迄今為止，已經實現了將激光光束整形成平頂光束或局域空心光束等。
  13. The flat - tapped beam has a uniform transversal profile in the near field and a bell - shape profile in the far field. the study of such a type of beam is of practical interest in laser material processing and inertial confinement fusion ( icf )

    平頂分佈光束具有近場分佈均勻，遠場能量呈鐘形分佈的特點，在激光材料加工和慣性約束聚變等應用中常需要這種類型的光束，所以研究平頂分佈光束的傳輸具有重要的實用價值。
  14. The contents include as follows : the influencing factors of the displacement ductility factor of the unbonded partially prestressed concrete frame structures, such as stirrup reinforcement characteristic value, nominal shear span ratio, axial compression ratio, the appearing order of plastic hinges and partial prestressing ralio ( ppr ) are discussed. the formula of displacement ductility factor of the unbonded partially prestressed concrete frame structures is suggested by regression analysis. with regard to the aseismic design and the request of ductility and energy dissipation, the restriction of the flat - beam / column sectional size and aseismic reinforced design are discussed

    本文主要包括以下內容：討論了配箍特徵值、名義剪跨比、軸壓比、塑性鉸出現順序、預應力度等因素對無粘結部分預應力混凝土框架位移延性系數的影響，回歸了考慮影響因素的位移延性系數計算公式；對無粘結部分預應力混凝土扁梁框架結構，闡述了抗震設計對扁梁、柱截面尺寸的要求與限制；對滿足延性和耗能要求的無粘結部分預應力混凝土扁梁控制截面抗震配筋進行了探討；通過對無粘結部分預應力混凝土扁梁梁端的受力分析，改進了以往扁梁梁端扭矩設計值計算公式。
  15. At the same time, a comparison with united states lrfd code, european ec4 code and china gjb rules has progressed. for guiding engineering practice, the paper arranges different thick steel pipe and different strength concrete and draws a conclusion of the best combination. for the subject of house, the paper studies the form of this kind of special combination beam named flat beam for big space

    本文根據冷彎薄壁方鋼管混凝土柱的特點，探討了方鋼管各板件全截面有效的條件，同時對研究鋼管混凝土較為詳盡的美國lrfd規范、歐洲ec4規范和我國gjb規程做了對比分析；為指導工程實踐，文章對不同壁厚的鋼管和不同強度的混凝土進行了搭配，進行了性價比的比較；結合多層住宅這樣一個研究對象，為獲得大空間，本文探討了扁梁這種特殊的組合梁形式。
  16. A theoretical analysis of local damage in a thin ductile tube hit by a flat - nosed missile laterally is developed to predict local failure due to plugging by the beam - on - foundation model. the effect of internal press was considered, and differential equations was obtained which can predict the ballistic speed of the missile which impact the tube filled with water. it can be solved by runge - kutta method

    採用地基梁模型對平頭彈體側向沖擊鋼管的沖塞型破壞模式進行了理論分析，考慮了充壓情形下內壓的影響，導出了鋼管在沖擊過程中的運動方程，可以用龍格?庫塔法進行數值求解來確定彈體沖擊充液壓力管道的彈道極限速度。
  17. From a small unit, a laser beam projects the image of a glowing red keyboard onto a flat surface

    雷射光束是從一小型裝置透射在平面上，顯現成一個發紅光的鍵盤圓形。
  18. At the same time, it brings the greater displacement reaction, lower energy - dissipation capacity and badly ductility ability etc. the unbonded partially prestressed concrete flat - beam frame structure has been used in the practice project in our country, but the aseismatic study of this structure is not perfect at present, study on theory is lagged behind the demand of engineering apply. it has important theoretic meaning and applied value to go deep into the examinational study about the prestressed concrete flat - beam frame structures

    近年來國內已經開始在實際工程中採用無粘結部分預應力混凝土扁梁框架結構，但是目前對這種結構形式的抗震研究工作還不完善，理論研究已滯後於工程應用的需要，因此深入進行扁梁框架結構的研究，在經濟合理的情況下確保該結構的抗震安全性具有重要的理論意義和應用價值。
  19. The results indicate that the peak intensity of transmission beam is limited, and the cross - section intensity distribution is approximately flat - topped super gaussian, which shows the optical limiting effect of sbs

    結果表明，透射光束截面光強呈現出近似平頂的超高斯分佈，光強峰值被限制，顯示出受激布里淵散射的空間光限幅效應。
  20. But because the rigidity of the flat - beam is small, sometimes we need to use the prestressed steel to control the flexibility of the flat - beam and the width of the crack

    但是由於扁梁的剛度小，往往需要在扁梁中配置預應力筋，以控制扁梁的撓度和裂縫寬度，同時也帶來了位移反應較大、結構耗能較低、延性能力較差的弱點。
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