point - defense beam 中文意思是什麼

point - defense beam 解釋
定點防衛光束
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • defense : n. 〈美國〉 ＝ defence.
  • 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 thesis has summarized the development of the oblique - pull bridge, its construction technology and the importance of bridge construction control, then has introduced project general situation, and has narrated detailed regulation, organization construction, the major work and difficult part of this bridge construction control. the following is the key part of this thesis, firstly, it has introduced the experiment work of early stage, structural calculation and its theoretical result : the absolute altitude of each operating mode, the absolute altitude of building mould in each section and the absolute altitude after pouring concrete ; then, it has discussed the method and content of the line shape control of the main beam, actual absolute altitude of building mould is put forward, and it has described the method of structural stress monitoring, how to arrange measure point and collect data, and how to analyze data. it has also narrated the method of rope force detection and structural temperature inspection

    本論文在總結了斜拉橋的發展及其施工工藝，並指出了橋梁施工控制的重要性之後，簡要的介紹了工程概況，敘述了炳草崗金沙江大橋監控細則、組織機構及監控的主要工作和難點部分；論文的核心部分，在介紹了炳草崗金沙江大橋施工控制與監測工作的前期實驗工作和施工各工況標高、各節段支模標高、澆注混凝土后的標高的結構計算和其理論計算結果之後，詳細論述了主梁的標高線形控制方法和內容，實際支模標高的提出，結構應力監控的方法、布點、測讀及其對測讀數據的合理分析方法，索力檢測和結構溫度監測的方法。
  2. The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio

    擴散連接技術是一門邊緣科學，涉及材料、擴散、相變、界面反應、接頭應力應變等各種行為，工藝參數多，雖然已經進行了大量的試驗研究，但卻對各種材料的連接機理尚未有明確的認識，為此人們試圖藉助于計算技術，對接頭行為進行數值模擬，以便找到共同規律，對擴散連接過程及質量進行預測與實時控制。
  3. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。
  4. Lin h, li l and zeng l., " in - situ end - point detection during ion - beam etching of multilayer dielectric gratings ", chin. opt. lett., 3 ( 2 ), 63 ( 2005 )

    林華， "介質膜光柵:光刻膠掩模占寬比和離子束刻蝕槽深的監控" ，博士論文，導師:李立峰（ 2006 ）
  5. Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性，導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程，並研究了掃描遠場的非對稱性。
  6. " when a particle beam is directed toward a point on the surface, the gold atoms bounce off and expose the silicon layer underneath just like a hammer and chisel, " zohar said

    當粒子光束被導向于矽片表面的某一點，金原子反彈，露出底下的矽層，就像是鐵?與鑿子的作用，左哈爾說。
  7. Abstract : a new method for determining proximity parameters, and in electron - beam lithography is introduced on the assumption that the point exposure spread function is composed of two gaussians. a single line is used as test pattern to determine proximity effect parameters and the normalization approach is adopted in experimental data transaction in order to eliminate the need of measuring exposure clearing dose of the resist. furthermore, the parameters acquired by this method are successfully used for proximity effect correction in electron - beam lithography on the same experimental conditions

    文摘:在電子散射能量沉積為雙高斯分佈的前提下，提出了一種提取電子束光刻中電子散射參數，和的新方法.該方法使用單線條作為測試圖形.為了避免測定光刻膠的顯影閾值，在實驗數據處理中使用歸一化方法.此外，用此方法提取的電子散射參數被成功地用於相同實驗條件下的電子束臨近效應校正
  8. 7 the shaft of his spear was like a weaver ' s beam, and the iron point of his spear weighed six hundred shekels. his shield bearer was walking before him

    7他的標槍柄像一枝織布機的桿木，他的矛頭鐵尖重7 . 2公斤.他的持盾人走在他前面
  9. Suddenly, like a great sword of flame, a beam from the setting sun pierced the stygian gloom, and smote upon setting the point of rock whereon we lay, illuminating ayesha's lovely form with an unearthly splendour.

    突然，一縷落日的余輝，象一柄巨大的火劍，劈開了這兒的陰森森地獄般的黑暗，落在了我們趴著的這塊巖石上，以一種奇異的光輝照亮了阿霞美麗的身影。
  10. In the counting system, a semiconductor laser emitter is used as the light source, point laser beam produced by optic system, reflection of part transferred into electric signal by photoelectric triode, and scm system as the counter

    採用半導體激光發射器作為光源，經過光學系統形成的最小激光束照射器件，反射光由光電三極體進行光電轉換，計數控制使用單片機系統。
  11. Analysis and research on the projection declination of horsehead ' s pendulous point of beam pumping unit

    游梁式抽油機驢頭懸點投影偏差的分析研究
  12. The thesis studied the change of stress triaxiality in the four - point curved beam made in 16mnr with arc - tip crack and its important effect. in the beam, the points of peak value of stress triaxiality distribute along a line, whose direction is well consistent with the fracture direction got by experiment when so > 3mm

    在圓弧裂紋試件中，裂尖附近的三軸度較高的點呈脊線分佈，按照脊線分佈擬合計算得到的三軸度脊線夾角在偏心距so 3mm時與試驗測得的斷裂角符合較好，這種情況下試件發生的是韌窩型斷裂。
  13. Glass - viscosity and viscometric fixed points - part 7 : determination of annealing point and strain point by beam bending iso 7884 - 7 : 1987

    玻璃.粘度和粘度固定點.第7部分:射線束彎曲法測定退
  14. Viscosity and viscometric fixed points of glass - method for the determination of annealing point and strain point by beam bending

    玻璃粘度和測定粘度固定點.第7部分:採用射束彎曲法對退火點和應力點的測定方法
  15. Hi this paper, concrete specimen of the same composite in shape of three - point - bend beam and wedge splitting specimen are tried out to ascertain the influence of specimen shape upon the fracture parameters

    本文採用相同組分的混凝土材料以三點彎曲梁tpb和楔入劈拉試件ws作為比較對象驗證了試件形狀對斷裂參數的影響。
  16. At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm

    首先，在細觀層次上，根據蒙特卡羅隨機抽樣原理，在二維平面上建立了混凝土多邊形隨機骨料結構模型，然後採用有限元計算方法，根據最大周向正應力準則，對三點彎曲梁構件進行了開裂過程的模擬，並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準，得出了裂紋在基質、骨料及界面的擴展路徑。
  17. Afterward the numerical method was used to decompose the inherited integration, so the matrix form of constitution equations was derived. then through utilizing the lagrange equation directly, the paper gets the finite element formula. to test the model, the paper calculate the osteoblast ' s dynamic response under near static load and sinusoidal load at a simple tension beam and a four point bending beam

    針對單向拉伸和四點彎曲兩種離體培養成骨細胞的裝置，再根據實際情況，將培養基看成是一種多孔材料，而將成骨細胞看成是粘彈性體，利用自編的有限元分析程序分別計算了受擬靜態載荷和受交變載荷下細胞的動力響應，結果很好地反映了細胞的粘彈性性質。
  18. A research of the crack propagation of concrete non - standard three - point bending beam by photo - elastic method

    光彈性貼片法研究混凝土非標準三點彎曲梁裂縫擴展過程
  19. Then the penalty finite element formula can be derived through galerkin weighted residual method. to test the model, the paper calculate a cantilever sample and a four point bending beam under near static load and sinusoidal load

    針對浸泡在液體中的懸臂梁試件和四點彎曲試件，計算了在受躍階載荷和正弦載荷作用時的變形、流動以及流動電場分佈。
  20. The loading capacity of three point bending beam with the resistant force of cohesive crack

    黏聚裂紋阻抗的彎曲梁承載力
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