有效長寬比 的英文怎麼說

中文拼音 [yǒuxiàozhǎngkuānbǐ]
有效長寬比 英文
effective aspect ratio
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 有效 : effective; valid; efficacious
  1. Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency

    在論文的這部分工作中，使用有限元法描述和分析了逐節斷裂試驗中初始應變下的纖維軸向應力和界面相剪切應力，溫度對界面應力傳遞的影響，界面相模量和厚度、纖維節長寬比、界面脫粘過程、界面接觸中的摩擦效應等因素對逐節斷裂試驗中應力傳遞的影響。
  2. Rational control of the pump ' s work and rest time is the key to solve the problem of void pumping. this essay gives theoretical analysis and cost comparison of every detective method, considers power detection as the most effective method, and puts forward several ways of power consumption and effectiveness power consumption at the same time. the designed electricity saving controller integrate all the above four methods, and it can work with different methods by switch between automatic and manual to broaden its accommodation

    解決油井空抽現象的關鍵是合理控制開機時間與停機時間長度，本文對各種檢測方法進行了理論分析及成本比較，認為功率檢測最行之有效，同時提出了功率檢測的幾種實現方法，即瞬時功率法、人工電耗法、設定功耗法及效益功耗法，所設計的節電控制器集以上四種方法於一身，可通過自動手動切換採取不同的功率檢測方法，使其適應范圍增寬。
  3. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據能量動量守恆關系和clbo的色散方程，詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬，並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  4. For the laminate which contains a crack, the suggested patch shape is rectangle, the patch thickness is equal to the parent laminate and the patch stacking sequence is the same as the parent laminate. because the length and the width of the patch have the fewer influence on the repair effect, the patch has the least weight on the basis of enough edge distance, end distance and space having been promised

    ?對于含裂紋復合材料層壓板，長方形補片的長度和寬度對修補效果沒有非常明顯的影響，因此在保證連接邊距、間距和端距的條件下，補片大小的選擇應該以節省重量為原則；而當補片的鋪排順序與母板相同、相對厚度為100時能夠獲得比較好的修補效果。
  5. From wave equation, under small signal approximation, a theoretical calculation of shg efficiency and acceptances is presented. according to this, the acceptances of wavelength, period, temperature and incidence angle are calculated. these will guide the experiment and the fabrication of optical supperlattice ( osl )

    2 、從波動方程出發，在小信號近似下，推導了qpm倍頻公式，分析了波矢失配的起因及影響，從理論上推導了波長，周期，溫度和入射角的接收帶寬，討論了占空比對輸出效率的影響，對介質制備及實驗有一定的指導意義。
  6. A deep beam model with spring bearing is given, based on the analysis of middle frame of frame and shear wall structure ground floor, which is sensitivity to floor rigidity. comparing rigid assumption to elastic assumption, shear error of frame is worked out, which is index of floor rigidity. conclusions are drawn that floor rigidity is independent of earthquake intensity and the most effect factor to floor rigidity is floor length to width ratio

    以樓板按剛、彈性計算的框架柱的剪力誤差值作為衡量樓板剛性的指標，通過對模型進行理論分析證明以往一些只能通過歸納總結得出而沒有理論支持的結論：樓板的剛性同地震烈度無關；通過對影響樓板剛性的各個因素進行分析比較，得出樓板的長寬比是影響樓板剛性的主要因素，而增加樓板的厚度並不是增加樓板剛性的有效途徑。
  7. The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002

    冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。
  8. We discuss the effect on the focusing of the probe beams for the five initial parameters : the amplitude of the pump beam, the separation between the pump and the probe beam centers, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the directions of x and y. our numerical results show that, more the amplitude of the pump beam, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the direction of y, more the probe focus ; the separation between the pump and the probe beam centers and the ratio of the initial beam widths at the direction of x have optimum values, respectively

    研究了泵浦光束輸入振幅、泵浦光束-信號光束初始偏移、泵浦光束-信號光束波長比和泵浦光束-信號光束x 、 y方向的初始束寬比五個參量對信號光束聚焦程度的影響。數值模擬結果表明，泵浦光束輸入振幅越大、泵浦光束-信號光束波長比越大、 y方向束寬比越大，信號光束聚焦程度越大；泵浦光束-信號光束初始偏移和x方向初始束寬比都存在一個最佳值，使得光束聚焦達到最佳效果，有趣的是這兩個最佳值的比值基本保持不變約為0 . 4 0 . 6 。
  9. Second, some kinds of hall plates are taken into account. by applying schwarz - christoffel transformations, the geometrical correct factor and the aspect ratio of hall plates with four equal edge contacts of none - zero length, witch are in variant for a rotation through 90 ? are computed

    論文採用保角變換的方法對霍爾集成電路中常用霍爾元件的幾何修正因子和有效寬長比進行分析計算，分別給出靈敏度最高或功耗最低時，霍爾元件的最佳結構尺寸。
  10. The text choose fenjin countryside of changchun as the typical district, choose rs and gis as the technological platform, utilize serial statistical data of land use from 1990 to 2002, remote sensing image and actual census data, adopt arc and statistical analysis method to analyze the change of land use structure in the process of urbanization, achieve the pace, range, trend and shift matrix of land use change ; at the same time analyzing economy, social and ecological benefit. the result shows : the agricultural area is reduced year by year, construction area is increased gradually, the social economic benefits are obviously improved, but the ecological benefits of the land drop to some extent. the urbanization process is developing quickly but it sacrifices the environments

    本文選擇長春市寬城區奮進鄉為典型區，以rs和gis為技術平臺，利用1990 - 2002年的土地利用系列統計資料、遙感影像解譯數據以及實際調查數據，採用arc方法和統計分析等方法對城市化進程中城市近郊的土地利用結構變化進行分析，獲得了土地利用變化的速度、幅度、趨勢及轉移矩陣;同時將同一時段奮進鄉的經濟、社會、生態效益的變化與土地利用變化進行對比分析，結果表明:農用地面積逐年減少，建設用地面積逐漸增多，社會經濟效益明顯提高，但土地的生態效益卻有所下降。
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