equivalent layer 中文意思是什麼

equivalent layer 解釋
同期地層
  • equivalent : adj 1 相當的,相同的,同等的。2 【化學】等價的,當量的;【數學】等價的;等量的;等勢的;【物理學...
  • layer : n 1 放置者,鋪設者,計劃者。2 【賽馬】(一般)賭客。3 產卵的雞。4 【軍事】瞄準手。5 層;階層;地...
  1. Guided by this model, the author overlays the favorable ore - forming information layer by equivalent weight and carries through junction and union spatial calculation and so on, so generating fruit file, utilizes it delineating favorable ore - forming zones, that is to say, prospect area

    在該模式指導下,最終在gis平臺上對有利成礦信息層等權疊加,進行交、並等空間運算,生成結果文件,利用該結果文件圈劃有利成礦地段?勘查靶區。
  2. Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through " variable cross - section " of metal bar embeded layer was put forward

    摘要運用波動的經典理論,提出了導波在金屬桿嵌入層「變截面」傳播時波速改變的「等效彈性模量」的概念。
  3. The equivalent - circuit parameters and resonant frequencies of the piezoelectric quartz crystal resonance, the value of half peak width of the electroacoustic conductance spectrum ( fg1 / 2 ) as well as the electrical double - layer capacitance were obtained and analyzed

    獲得並分析了pqc諧振等效電路參數、諧振頻率、電導譜半峰寬f _ ( g1 2 )和雙電層電容,考察了電極界面發生的吸附動力學過程。
  4. The whole piezolaminated curved beam is equivalent as a single layer structure, and the governing equation of piezolaminated curved beam with small curvature is derived based on one - dimensional beam theory

    將壓電夾層圓形曲梁等效為單層結構,基於一維小曲率曲梁理論,建立其控制方程。
  5. In this paper, the traffic surveys and analysis of typical heavy - load road were performed firstly ; also the characteristics of traffic, load and distribution of axle load were studied. the deficiencies in the calculation method of surface equivalent modulus of foundation in present specification of cement concrete pavements design for highway were analyzed. based on the elastic multi - layer theory and principles of displacement equivalence, and a great amount of computing data, a calculation method was established

    本文首先從典型重載交通道路的交通調查與分析入手,研究了重荷載交通道路的交通量、軸載分佈及荷載特徵,針對現行設計規范中關于基層頂面當量回彈模量值計算公式存在的不足,利用彈性層狀體系理論,按照彎沉等效原則,通過大量的計算分析,回歸出了精度較高、適用范圍更廣的基層頂面當量回彈模量計算公式。
  6. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極化實驗(包括掃描法和臺階法)中,致鈍電流雖晶粒尺寸減小而增大,而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕,微米晶銅表面的均勻腐蝕,和兩種銅表面破碎的鈍化膜。
  7. Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research

    文摘:為方便瀝青路面結構設計生產、教學、科研之用,本文採用分析綜合法與分離變量法建立了彈性三層體系應力位移顯式模型;並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上,成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式;精度分析表明本文逼近公式精度很好,完全可推廣應用於多層體系,滿足工程設計和有關理論研究的需要
  8. The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance

    解析模型以分層介質中的波動理論為基礎,建立了等效參數的概念,並運用聲阻抗的復數表示法把阻尼層對介質層聲能吸收的影響都考慮進去,通過比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的效率。
  9. In the simplified mathematical modeling, fins are taken as equivalent solid layer with nonisotropic thermal conductivity, and heat convection between fins and cooling air is considered as internal source

    對2種飛機環控系統電子設備冷卻用冷板進行了實驗研究,測量了不同雷諾數、不同熱源分佈情況下冷板的表面溫度分佈。
  10. At the same time, the program corresponding to the proposed method is compiled in fortran90, which is used to analyze the influence of several factors on behaviour of barrettes, including ratio of length to width, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, possion ' s ratio, the finite layer etc. many useful conclusions are obtained from the above analyse

    該方法考慮了壁板樁樁身橫截面的非軸對稱性,並用fortran語言編制了相應的程序,進而分析了多種因素對壁板樁承載特性的影響,包括長寬比、樁徑比、樁土剛度比、泊松比以及有限壓縮層深度等。
  11. Abstract : the optical admittance of a single - layer film is derived from the characteristic matrix of the film pile. based on the single - layer, recurring layer by layer, supercomposing one by one, deriving the equivalent admittance of the film pile and calculating the reflect coefficient of the amplitude, the reflectivity and transmissivity of hte whole film system is derived at last

    文摘:根據膜堆的特徵矩陣,求出單層膜的光學導納,在單層膜的基礎上,進行層層遞推,疊加起來,求出膜堆的等效導納,計算振幅反射系數,最後求出整個膜系的反射率、透射率。
  12. The paper firstly combined the aerodynamic model, pollutant model, traffic model and the optimal operating fans selection model and then established the sample data gaining program to produce the optimal sample data ; secondly, the multi - layer forward neural network and the fuzzy control is combined within an equivalent structure, after the learning of sample data, the neural - fuzzy control system for the road tunnel longitudinal ventilation is produced ; thirdly, the optimal operating fans selection model is replaced by the fuzzy control model to make the tunnel ventilation simulation program, and then the control results under different traffic flow circumstances are evaluated in the matlab environment ; finally, the adaptive ability of the neural - fuzzy control system is discussed

    本文首先結合空氣動力學模型、污染模型、交通模型和最優風機開啟臺數選擇模型建立樣本數據獲取程序,利用該程序產生不同交通流下的最優樣本數據;然後,將多層前向神經網路與模糊控制進行結構等價型融合,通過學習最優樣本數據,建立公路隧道縱向通風神經模糊控制系統;之後,用此模糊控制模型替代最優風機開啟臺數選擇模型建立基於模糊控制的隧道通風模擬程序,在matlab下模擬模擬不同交通流下的隧道通風以測評控制效果;最後,對神經模糊控制系統的適應性進行了討論。
  13. At the same time, the corresponding programs on the above two methods can be compiled in frotran90 respectively, which are used to analyze the influence of several factors on behaviour of barrette pile group and barrette pile group - soil - cap interaction, including collocation of pile, ratio of length to width, pile spacing, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, possion ' s ratio, the finite layer, the number of piles etc. lastly a series of model tests on vertically - loaded bahaviour of single pile are made, tests results are analyzed, and the causes of tests failure are preliminarily discussed in this paper

    分析了群樁布置形式、長寬比、樁與樁之間的相對距離,樁徑比、樁土剛度比、泊松比、有限壓縮層深度以及群樁根數等因素對壁板樁群樁和壁板樁群樁?土?承臺的相互共同作用問題的影響。論文最後做了一組壁板樁和圓形樁單樁模型試驗,對試驗數據進行了分析,並對試驗中存在的問題進行了初步探討。
  14. By controlling the stress value of under - lying layer less than tits structure yield stress value, a new design method to decrease composite ground settlement is suggested. and the composite foundation settlements of 12 buildings with the deep mixing cement piles is calculated, which is in good accord well with the measurement in field. second, considering the influence of well resistance, smear effect and structure breakage of thick soft clay, the equivalent calculation method is proposed

    首先,結合溫州地區深厚軟土,通過對室內常規試驗結果的分析,發現軟土具有較強的結構性,並給出室內固結壓縮曲線校正的新方法;提出了通過控制未打穿水泥攪拌樁復合地基下臥層的應力水平,使其小於土體結構屈服應力,以大幅度減小沉降的復合地基設計方法,並通過與12幢住宅樓未打穿水泥攪拌樁復合地基的實測沉降對比,得到了良好的驗證,進一步完善了結構性軟土壓縮變形的計算方法。
  15. Then, combined with the mechanism of vacuum preloading and based on the layer method, settlement calculation of vacuum preloading was analyzed. the study shows that the vacuum degree under membrane equivalent load method does not accord with the mechanism of vacuum preloading. based on the layer method, vacuum degree difference method and effective stress method are presented. the results show that the final settlement calculated by the vacuum degree difference method is more close to the observation results

    然後,結合真空預壓的機理,基於分層總和法的思想,對真空預壓沉降計算方法進行研究:指出用現有的膜下真空度等效荷載法進行沉降計算不符合真空預壓機理;提出了符合真空預壓機理的真空度差值法與有效應力法,前者所推算的最終沉降量較接近實測推算結果,後者與實際結果存在一定差距。
  16. Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing

    該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點,發現在一定傾斜角度的觀測下,視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率,所以稱該方法為最佳組分面積比法,用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度,經過地面和遙感數據驗證表明,用該方法計算的通量精度高於普通的單層模型。
  17. Equivalent sandwich plate method for double - layer space grids under local loading

    局部荷載作用下網架結構的擬夾層板分析法
  18. The characteristics of seismic response transfer function is studied statistically. to describe the effects of soil layer on characteristics of ground motion the one new approach are suggested to characterized the predominate period of ground motion by site equivalent predominate period. the idea and method for calculation of site equivalent predominate period is given according to equivalent. shear velocity

    本文對場地計算模型的地震反應傳遞函數特性進行了統計分析,捉出了以等效場地卓越周期反映場地地震動卓越周則的想法,以合理地反映場地十層對地震動的影響,給山了等效場地卓越周期的確定思路和方法,井給出了基於等效剪切波速的等效場地卓越周期計算式。
  19. Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor. furtherly, the equation of the most excellent thickness of air interlayer is obtained

    運用函數求極值的方法,證明了封閉垂直夾層中的傳熱系數存在極小值,即封閉垂直夾層在理論上存在最小的當量導熱系數,並推導出了最佳空氣夾層厚度的理論公式。
  20. The validation of equivalent sandwich plate method for double - layer space grids by finite element method

    網架結構擬夾層板法的有限元驗證
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