beam square 中文意思是什麼

beam square 解釋
橫梁角尺
  • 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，...
  • square : n 1 正方形，四方塊，四角；方形物。2 （方形）廣場；〈美國〉（四面都是馬路的）方陣建築；街區；（方...
  1. The system is composed with concrete filled cold - formed square steel tube column, the beam with two cold formed c type steel welded together back to back, the slab with profiled - steel and concrete, the beam and the slab joined into composite steel - concrete beam. they all together make up of the bearing members. and the house also includes the light economical - energy sources heatproof walls

    該體系是以冷彎薄壁方鋼管混凝土為柱、冷彎薄壁c型鋼背靠背高頻焊接組成工字型梁、壓型鋼板上現澆築混凝土組成組合樓板並與梁一起構成組合梁作為承重構件，以輕質節能保溫型墻體作為圍護結構組成。
  2. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  3. In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame. we mainly refered to the one of those improved algorithms of gerchberg - saxton ( gs ). with the computer simulation and drawing program, the simulated diffraction patterns were gotten in this paper, the results agreed with the anticipated diffraction patterns ; in the paper we also design the computer optical elements that can shape the laser beam into a double circle shape, a lamp shape and so on

    計算機模擬成像結果與預期得到的衍射圖樣相符合;文中還討論了設計參數對成像質量的影響規律。同時，本文還用標量理論設計了把高斯光束整形為雙圓斑形光束的計算機光學元件，文中主要是參考改進的gs （ gerchberg - saxton ）演算法;通過計算機模擬，得到了計算機光學元件表面的相位浮雕圖。
  4. Subnanosecond millimeter relativistic backward wave oscillator, based on superradiance mechanism, was a novelty microwave device developed in last few years. the dependence of peak power on the square of the density of electron beam is almost linear

    基於超輻射機理的亞納秒毫米波微波器件是近幾年發展起來的一種新型微波器件，其輻射功率與參與束波互作用的電子束密度的平方成正比關系。
  5. The feasibility that kaufman ion source is applied in reactive ion beam etching is discussed. etching characteristics of materials, including pr, cr, quartz, are investigated. the etch rate and mechanisms of such materials are measured and analyzed as a function of ion energy, ion beam density and ion incidence angle in pure ar and chf3, respectively. the etch rate has shown a square root dependence on variation versus

    深入研究了光刻膠、鉻薄膜、石英等光學材料離子束刻蝕特性，分別以ar氣和chf3為工作氣體，研究光刻膠、鉻薄膜、石英等的刻蝕速率隨離子能量，束流密度和離子入射角度的變化關系，得到刻蝕速率與影響因素的擬合方程，為掩模的製作工藝路線提供了實驗依據和理論指導。
  6. The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last

    採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。
  7. 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。
  8. This article deduces molecular beam ' s momentum distribution function, calculates mean momentum, root mean square momentum and furthorest possible momentum, and compares them with the characteristic physics quantities corresponding to molecular beam ' s speed distribution function one by one

    摘要本文首先推導出分子束的動量分佈函數，然後計算了平均動量、均方根動量和最概然動量，並與分子束的速率分佈函數相應的特徵物理量逐一比較。
  9. So author believes mechanical behaviors of skew girder bridge is obviously different from that of square beam bridge, and it is an important problem that many factors result in plane deformations of skew girder bridge

    從對斜梁橋的大量計算分析中可以認為，斜梁橋的受力行為與正梁橋的受力行為有明顯的不同，同時，多種因素導致斜梁橋產生平面變形是值得注意的重要問題。
  10. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和輸出功率，用fox - li迭代法求出反射鏡上實際的光強分佈和熱源，得到鏡面的位移變形和單程附加相移，以zernike多項式擬合單程附加相移，分別用迭代法和幾何法計算了腔鏡變形時的腔模光場，建立了光學元件對光束質量影響的評價因子，研究腔鏡冷卻效果和冷卻方式，對輸出耦合鏡的變形進行了分析。
  11. Among the adaptive beam - forming algorithms, the least mean square algorithm is widely used because it has a simple configuration and it is apt to come true and have nice convergence. on the other hand, it has a disadvantage that it converges slowly and there is a conflict between the fixed step and the convergence pace or the error in stabilization. so people have developed many improved least mean square algorithms which generally start from convergence, stabilization, misadjustment, and robustness and come to a formula about variational step in the end

    在自適應波束形成演算法中，最小均方（ lms ）演算法因結構簡單，易於實現，能穩定收斂而得到廣泛應用，但它也存在收斂速度受限的缺點：固定步長因子無法解決收斂速度和穩態誤差之間的矛盾。因此，人們提出了各種改進的最小均法演算法來解決這一問題。改進的最小均方演算法通常從如何改進收斂速度、穩態誤差、失調量和魯棒性等指標上出發，最後在新演算法最終表達式中的步長公式上變化。
  12. As far as the solid inclined column - wall transfer r. c joint is concerned, the inclined column with a bigger angle 、 transfer beam and square column work as a whole, and the load transfer mechanism is similar to the transfer beam. the stress state in the wall is much more even, so the effect of transfer is much better than that of the hollow inclined column - wall transfer r. c joint

    對無孔斜柱轉換節點而言，由於斜柱與轉換梁和方柱形成了一個整體，而且斜柱角度較大，因而其傳力機制和加腋的轉換梁類似，但薄壁柱中的應力分佈更為均勻，轉換效果更好。
  13. The light density has been directly defined as the square of an absolute value and it is used to describe the propagation and transformation of laser beam in the traditional scalar diffraction theory

    在傳統的標量衍射理論中，採用光場復振幅的平方作為光強的定義來描述光場的能量傳輸規律。
  14. Supervision and consultation projects completed : ( 1 ) jiangsu xindadou square ( 50, 000m2, two 30 - story buildings ), worked as chief supervision engineer ( consultation ) ; ( 2 ) " yanqiao overpass service center of xicheng highway ( the first overpass type service center on highway in china ), worked as chief supervision engineer ( consultation ) ; ( 3 ) the ninth 5 - year - plan updating technology project of huaiyin tobacco plant, 50, 000m2, worked as chief ( supervision and consultation ) ; ( 4 ) the softy testing, analysis and consultations of nanjing international conference and exhibition center, site - erected structure, 75m span steel roof truss ( the largest one in china ), worked as chief of test and consultation ; ( 5 ) " the consultation service of the testing, analysis and update technology of the reliability of the joints of intermediate floor slabs, beams and columns of base beam of sanshanjie station of nanjing metro " etc

    完成"江蘇新大都廣場（ 5萬多平方米，二幢30層） "建設監理咨詢（總監） ； "錫澄高速堰橋跨線服務區（國內首座） "建設監理咨詢（總負責） ； "淮陰卷煙廠9 . 5技改項目（ 5萬多平方米） "建築監理咨詢（總負責） ；主持了"南京國際會展中心75m跨鋼屋架（國內最大距）現場施工安裝結構安全性測試分析咨詢" ； "南京地鐵三山街站中樓板及底板樑柱節點構造技術安全可靠性的測試分析與技術改進咨詢服務"等項目。
  15. In this paper we designed the relief height of the computer optical elements mainly based on the geometrical theory and the scalar quantity diffractive theory. based on the geometrical theory, we achieved the height of phase relief that can shape the laser beam into 4 square spots, square frame, 1 square spot ; with the computer simulation and drawing program, the diffraction patterns are gotten in this paper, the results agreed with the anticipated diffraction patterns ; in this paper we also discussed the affects to the diffraction patterns by changing some parameters

    本文主要基於幾何理論和標量理論來設計計算機光學元件表面的浮雕高度，文中用幾何理論推導出了把高斯光束整形為四個矩形光斑束，正方框形光束、矩形平頂光斑的計算機光學元件表面的浮雕公式;通過計算機輔助設計，計算得到了計算機光學元件表面上的浮雕高度，設計出了計算機光學元件。
  16. ( 5 ) we present a photorefractive two - beam coupling jtc, in which a knsbn : cu crystal is used to a square - law converter by the nonlinear energy transfer property of the photorefractive two - beam coupling

    （ 5 ）利用knsbn ： cu晶體作為平方律轉換器件，實現實時的功率譜轉換，從而實現聯合變換相關識別。
  17. Predicting the crack width of partly prestressing concrete square - section beam by bp neural network

    網路預測部分預應力矩形截面梁的裂縫寬度
  18. As far as the hollow inclined column - wall transfer r. c joint is concerned, the paper introduced the truss model to calculate the internal forces of transfer beam, inclined column and square column

    在有孔斜柱轉換節點中引入了桁架模型以確定轉換梁、斜柱及方柱的內力。
  19. In the test, the stress distributions of wall which is upon the transfer beam and square column and the vertical stress distributions of transfer beam and inclined column are specially studied

    試驗重點研究了兩類節點中薄壁柱與方柱和轉換梁相接處的豎向應力狀態、轉換梁應力狀態以及斜柱和方柱的應力狀態。
  20. A web of security cameras, metal detectors, beam sensors and bullet - proof screens will reinforce security in the three - storey, 3, 000 square - metre building

    在這座三層樓高3000多平米的建築中，監視系統金屬探測器光束傳感器和防彈屏構成了一個網路，加強安全保衛。
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