正變分 的英文怎麼說
中文拼音 [zhēngbiànfēn]
正變分
英文
direct variation-
I must dip my hand again and again in the basin of blood and water, and wipe away the trickling gore. i must see the light of the unsnuffed candle wane on my employment ; the shadows darken on the wrought, antique tapestry round me, and grow black under the hangings of the vast old bed, and quiver strangely over the doors of a great cabinet opposite - whose front, divided into twelve panels, bore, in grim design, the heads of the twelve apostles, each enclosed in its separate panel as in a frame ; while above them at the top rose an ebon crucifix and a dying christ
我得把手一次次浸入那盆血水裡,擦去淌下的鮮血,我得在忙碌中眼看著沒有剪過燭蕊的燭光漸漸暗淡下去,陰影落到了我周圍精緻古老的掛毯上,在陳舊的大床的帷幔下變得越來越濃重,而且在對面一個大櫃的門上奇異地抖動起來柜子的正面分成十二塊嵌板,嵌板上畫著十二使徒的頭,面目猙獰,每個頭單獨佔一塊嵌板,就像在一個框框之中。Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution
2 、相同等溫溫度條件下,改變等溫時間,等積圓直徑的分佈隨時間的延長趨向均勻,晶粒球化度接近於正態分佈。The lognormal distribution is widely used in geology to characterize sediment size variations and geochemical element concentrations.
在地質學中,對數正態分佈已被廣泛用以表示沉積粒度變化特徵和地球化學元素濃集情況。Based on the generalized variational principle of the modificatory variables and substituent shearing strain field interpolation of the bending theory of the mindilin plate, this paper brings up the nine - node mixed plate bending element and adopts the sap2000 ? a large - scale finite element analysis programs. by the examples, we find the precision of the method is satisfying
在對轉換層厚板進行局部有限元分析時,本文提出了基於mindlin中厚板彎曲理論的修正的二類變量廣義變分原理和替代剪應變場插值方法的九節點厚薄板通用的板彎曲單元,並採用了sap2000有限元程序。During my phd study, our group completed the experimental and theoretical investigations on cv quantum dense coding, generation of multipartite entangled state of optical modes and controlled dense coding quantum communication. following five parts will be presented in this thesis : 1
我們利用連續光場的正交分量量子糾纏特性,進行了連續變量量子密集編碼,多組份糾纏態光場產生,受控密集編碼量子通訊等實驗與理論研究,主要內容如下: 1Think times are used, but varied on a normal curve
使思考時間的變化情況符合正態分佈曲線。Standard deviation in statistics, a measure of the dispersion of a frequency distribution : it is the average magnitude of deviations from the center of normal curve, calculated by squaring all the deviations, calculating their mean, then finding the square root of the mean
標準偏差:統計中,一種衡量數據組分佈的分散或變化情況的數據,是偏離正態分佈中間位置數據大小的平均值。A general solution to orthotropic material plane problems
正交異性冪強化材料的平面應力應變分析Also have due to illness, the result of parasitism of bug enroach on, " exciter " disturbed the normal dissension of plant cell, and cause a cell cannot proper motion pilot breaks up, at this moment pathological changes also can appear tumor
也有因病、蟲侵害寄生的結果, 「刺激物」擾亂了植物細胞的正常分裂,而造成細胞無法自行控制的分裂,這時病變也會出現腫瘤。In the first part, the concepts of the completely normal spaces and strong completely normal spaces in l - topological spaces are defined, which are the generalization of the completely normal spaces in general topological spaces. they are some good properties such as hereditary, weakly homeomorphism invariant properties, good l - extension, but they are n ' t producible in general. moreover, their several sufficient and necessary conditions in induced spaces are presented
第一部分的主要內容如下:第一部分這一部分是將一般拓撲學的完全正規分離性的概念推廣到了l -拓撲空間,給出了l -拓撲空間的完全正規分離性和強完全正規分離性的定義並討論了它們的若干性質,比如,它們都是可遺傳的,弱同胚不變的, 「 lowen意義下好的推廣」等。It is just the difficulty that the strongly correlated electron systems can not be studied by analytical methods, a variety of simulative numerical methods come out sequentially. there are a few typical methods such as the exact diagonalization ( ed ), the qutum monte carlo ( qmc ), the variation monte carlo ( qmc ), the renormalization group ( rg ), and the density matrix renormalization group ( dmrg ) and so on
正是強關聯系統遇到了解析研究的困難,各種數值模擬方法才相繼出現,最典型的數值方法有:嚴格對角化( ed ) ,量子蒙特卡洛( qmc )模擬、變分蒙特卡洛模擬( vmc ) 、數值重整化群( rg )以及密度矩陣重整化群( dmrg )等。Relativistic and mass - polarization effects on the energies are included as the first - order perturbation corrections. the quantum - electrodynamics contributions to the transition energies are estimated by using effective nuclear charge
非相對論能量用rayleigh - ritz變分法確定;相對論和質量極化效應用微擾論計算;量子電動力學修正用有效核電荷方法計算。The mathematics model of newsboy problem with time - based parameter is given, and through analyzing model and numerical instance, it shows, with contrast of traditional newsboy problem that time factor is not taken into account, the former can increase the income of the dealer
建立了正態分佈下時變參數的報童問題的數學模型,通過模型的求解和數值分析,結果顯示,與傳統的不考慮時間因素的報童模型相比,前者能夠增加零售商的收益。In this way thick and big floes are formed. this process decides that floes have self - similarity and dilation symmetry in a certain extent, and they are two important characteristics of the fractal
這一過程決定了絮凝體在一定范圍內具有自相似性和標度不變性,這正是分形的兩個重要特徵。Variation principle of piezothermoelastic bodies, canonical equation and homogeneous equation
壓電熱彈性體的變分原理及正則方程和齊次方程In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the
本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。By means of statistical inference as well as hypothesis test method, it is determined that the variables of compressive stress and shearing stress are of extreme - value distribution and that the variables of frictional coefficient and cohesion coefficient are of logarithmic normal distribution
應用統計推理和假設檢驗方法分析得知,壓應力與切應力隨機變量呈極值型分佈,摩擦系數與粘結力系數隨機變量呈對數正態分佈。Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained
在回顧雜交混合有限元理論的基礎上,從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發,通過約束電場強度?電勢關系、應力與應變及電場強度的關系,得到僅包括位移、電勢、應力三個未知量的雜交變分泛函,利用一般層合板的雜交混合變分原理,分離面內分量和橫向分量,導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函,作為壓電層合板的雜交元列式的理論基礎。Modified variational principle
修正變分原理According to the principle of the minimum potential energy, the deformation of single tension pile and pile groups was analyzed using a modified variational approach
根據最小勢能原理,使用修正變分法來分析抗拔單樁和抗拔群樁的變形。分享友人