論據單薄 的英文怎麼說
中文拼音 [lúnjùdānbó]
論據單薄
英文
a feeble argument-
In the theoretical description of grazing emission fluorescence, the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals, and the theoretic calculation formula of fluorescence intensity from a thin layer is derived. by the derived expressions, the theoretic simulation curves of several thin layers on si substrate are calculated. in the experimental setup, the requirement of construction of the setup and some important parameters are brought forward
最後，利用平穩位相方法建立了掠出射情況下薄層樣品產生的熒光強度和掠出射角的對應關系數學模型，推導了薄層樣品熒光強度理論計算公式，並以此為依據模擬計算得出了cr 、 fe 、 ti和ni等幾種以si作基底的單層薄膜樣品的熒光強度隨掠出射角變化的理論曲線。The research method and theory is still wick about the foundation of the loading and unloading equipment selection, the efficiency simple loading and unloading equipment, the efficiency of the loading and unloading line, the summary efficiency of all loading and unloading lines on port, and the optimum of the loading and unloading arts and crafts recently. there is no a ripe theory on that above. so, this paper attempt to set up a series of analyzing method and form a theory system on it to improve the efficiency of port and bring more benefit
關于港口裝卸機械的選型依據、港口裝卸機械的單機效率、港口裝卸作業線效率、港口企業裝卸作業系統即多條作業線綜合效率、港口裝卸工藝中裝卸機械的性能匹配和效率匹配以及港口裝卸機械資源優化配置問題的研究和理論方法還比較薄弱，港口裝卸機工藝的選擇、工藝系統裝卸機械數量和等級的確定以及裝卸機械選型尚沒有成熟的理論依據。The morphology of single cell and the ultrastructure of cell membrane were observed. by means of afm, the ultra - thin sections of murine es cells were investigated in order to make afm capable of gaining the information of the inner structure of cells. in addition, the morphological changes and damaging effect of trichosanthin ( tcs ) on red blood cell ( rbc ) membrane were observed by afm
對原子力顯微鏡（ atomicforcemicroscope ， afm ）的成像技術進行了多方面探索；用afm研究膠原蛋白分子在雲母表面的吸附和自組裝行為；對小鼠胚胎幹細胞和人血紅細胞進行afm成像，觀測單個細胞的形態以及細胞膜的微觀結構；利用afm得到了小鼠胚胎幹細胞超薄切片的高解析度圖像，探索用afm研究細胞內部結構，拓展其應用領域；天花粉蛋白（ tcs ）和紅細胞的相互作用，利用afm觀察到天花粉蛋白（ tcs ）和紅細胞相互作用前後紅細胞膜超微結構的變化，據此討論了二者的作用機理。Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length
本論文的主要工作包括：結合光柵的矢量衍射理論和薄膜的橢偏理論，詳細分析了光柵的橢偏特性；並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片；在光柵參數的橢偏反演中，引入正單純形法作為反演演算法，分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例，在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演，在一定精度范圍內得出滿意的光柵參數，說明光柵參數的橢偏測量是可行的；還就入射角的選取問題進行了一定的探討。The paper introduced the space stability theory based on the method of the rotation of a cross section around a fixed axis of the thin - walled member, and made some simply discursions. according to the theory, a programme was worked out to analyse [ - shaped, t - shaped and l - shaped axes columns. using the results of the programme, the paper has made the graph of the critical force changing by, and furthermore analysed the characteristic of the thin - walled members " space stability
本文對基於繞定軸轉動理論的薄壁構件的空間穩定理論進行了介紹和簡單的分析論證，並根據此理論編程對「 [ 」形、 「 t 」形和「 l 」形軸壓構件進行了大量計算，作出其空間穩定臨界力隨長細比的變化曲線圖，對其空間穩定特性作了一定的分析。According to the classical theory of thin - walled members this paper presents the derivation of energy equation under restrainted conditions, and a elastic restrainted stiffness matrix of thin - walled members is derived. continuous restrants and discrete restraints are considered in the energy equation. euler - equation of the derived energy equation is testified
根據薄壁構件彎曲與扭轉理論，對彈性約束條件下薄壁構件的能量方程進行了推導，再根據總勢能最小值原理推導出彈性約束條件下薄壁構件的單元剛度矩陣。能量方程中考慮的約束情況有連續的線彈性約束和離散的彈性點約束。The purpose of this thesis is to use artificial neural networks ( ann ) to identify the aerodynamic parameters. first introduced in this paper is the basic theory of ann and wind engineering in bridge, then ann is presented to identify the aerodynamic derivatives of ideal thin plate. a back - propagation ( bp ) ann is established and trained for many times to contrast the influences of some factors on the prediction results
首先對人工神經網路和橋梁風工程的基本理論作了簡單的介紹，接著採用人工神經網路識別了理想薄平板的氣動導數，並分析了數據處理方式、隱層單元數、訓練次數、隨機賦值次數、樣本數量對訓練結果的影響，討論了訓練的穩定性。Three theoretical models including the equivalent single - sided film z - scan theory, the cascaded structure model, and the double - sided film z - scan theory are used to characterize the experimental data. the fitted results show that the double - sided film z - scan theory is more suitable to characterize the nonlinear experimental data from the double - sided essa films
將單面膜等效z - scan理論、串級結構模型以及雙面膜z - scan理論用於分析實驗數據，結果表明雙面膜z - scan理論比單面膜等效z - scan理論和串級結構模型更適合於雙面自組裝薄膜非線性實驗數據的模擬分析。And then, according to finite element theory of reinforced concrete, the main calculating program of " nonlinear finite element ultimate analysis of reinforced concrete thin slabs with complex geometry & boundary condition " is made by using the triangle layered - assembled element of elastic thin slabs and the stress - strain relation by considering concrete as anisotropic material under effecting by two - way stress, and the concrete material model presented by darwin and pechnold, and the yield criterion of concrete presented by kupfer and gerstle
然後根據鋼筋混凝土有限元理論，以三角形分層組合式的彈性薄板彎曲單元為基礎，考慮混凝土為各向異性材料在雙向應力作用下的本構關系，採用darwin和pechnold的混凝土材料模型和kupfer與gerstle等人研究的混凝土破壞準則，編制了「復雜幾何形狀和邊界條件鋼筋混凝土薄板非線性有限元極限分析程序」中的核心計算程序。分享友人