等比方程 的英文怎麼說
中文拼音 [děngbǐfāngchéng]
等比方程
英文
geometric equation- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 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...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 比方 : analogy; example; for example; instance
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從投入產出的角度講,如何提高飯店核心競爭能力,以達到提高企業經濟效益,盡快產生回報,加速貨幣回籠的目的,是飯店業嚴肅的話題。在經歷了近二十年步履艱難的國企改革歷程后,我國飯店業已開始由幼稚走向成熟,由賣方市場走向買方市場,這種轉變將使得部分理性的消費者享受到物有所值,也使部分膚淺的飯店品嘗到必然的失敗;近十年來,作為飯店業占相當比重的國有飯店在跨國飯店集團和民營飯店企業的雙重沖擊下,歷經了金融體制改革及銀行商業化、市場開放及解控、市場及競爭機制三個階段,由於計劃經濟遺留下來的問題、結構不合理造成的問題和重復投資造成的問題等三方面的原因,使得國有飯店在市場競爭中逐漸喪失競爭優勢,相繼出現困境,如何提高國有飯店競爭力的問題,對於我國旅遊業具有強烈的現實意義,湖南芙蓉賓館就是一家極具代表性的國有三星級飯店。As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準,根據點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依據曲面方程的特點,從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點,實現了散亂數據點的自動分類。Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法,推導等效方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據Firms should catch new business choice from these dots of the industry growth. the internationalization of ctm industry not only includes the ctm industry going to world but also global ctm industry coming to china, which deducts the international innovation ; however, the high style of internationalization is ctm industry coming to the global system and establish the international industry chain of ctm industry
因此,本文擬通過對我國中藥產業的現狀、市場、資本動態、競爭力等方面進行研究,運用swot分析,綜合比較分析等方法,從經濟運行模式,經營戰略和策略,基礎科研,人才培養工程等多方面入手,試圖探索一條能夠推進我國中藥產業發展的新思路。This paper analyses the numerical simulation problems of the semiconductor devices deeply. a one dimensional pn junction diode is worked out satisfyingly by the recursive method with the matlab5. 3 software
論文深入的分析了半導體器件的數值模擬問題,利用matlab5 . 3等計算機工具,用解三對角矩陣方程的遞歸演算法,實現了pn結二極體的一維求解,取得了比較滿意的結果。The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment
利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。Maintop alkald multimedia compilingsystem is a professional synthesizing tool of producting multimedia applications facing to non - computer majors, which is designed and developed by maintop containing its so many years experience of multimedia special cases development
這種結構比較符合教師的思維方式,比流程圖結構、時序結構等其它方式更容易理解和學習,全中文操作界面易於使用操作。The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction
三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式,是單分子層吸附;根據克勞修斯-克拉柏龍方程,以1nkd對1 t作圖,通過直線斜率計算出吸附熱,從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附,是吸熱的過程;對npov ) 、 np ( v )和np ( vd在硅膠上的吸附進行了比較,提出了三種價態的鋒在硅膠上吸附的機理。University of science and technology have established the coo peration in longterm technology. t - he company has a batch of management, technology, pro ject group with a large number of prac - tical experience, technological advance, reliable stabi lity, performancecost ratio in system design and installation debug and aftersale service, etc
公司擁有一批具有大量實踐經驗的管理技術工程團隊,在系統的技術先進性可靠穩定性性能價格比工程的設計安裝調試及售後服務等各方面都會讓用戶滿意。The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility
本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。Compared with traditional numerical methods such as the fem, fdm, etc, the lb method has several important features, including : simplicity in algorithm, easily programming, direct calculation of pressure from a state equation and amenability to simulate all kinds of flow field with complex boundaries, it also has much advantage in the respect of parallel computation because of its regional evolution
與傳統的計算方法如fem 、 fdm等相比, lb方法具有演算法簡單、編程容易、壓力可以通過狀態方程直接求解、能夠模擬各種復雜邊界的流場等優點,並且計算的局域性使其在并行計算方面也具有很大的優勢。In the last forty years the research for finding solitary wave solutions has been experienced a great growth and some sucessful methods including the inverse scattering theory, backland transform, hirota ' s bilinear methods and the homogeneous balance method have been presented in succession
近四十年來非線性演化方程孤波解的解法研究蓬勃發展,相繼誕生了一些比較成功的求解方法,如反散射方法、 b ( ? ) ckland變換方法、 hirota方法以及齊次平衡方法等,這些方法多年來得到了廣泛的發展和應用。This article analyzes and compares those math models and solutions such as " firing table method ", " firing table fitting method ", " ballistic data analytic method " and " motion differential equations of the projectile " used in different systems, and presents advantages, shortcomings and applicable occasions of those models
就目前各系統所採用的「射表法」 、 「射表擬合法」 、 「彈道諸元解析法」 、 「彈丸運動微分方程」等數學模型、解算方法進行了分析、對比,給出了各種模型和方法的優點、缺點及其適用場合。Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model
在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即正交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future
首先介紹了器件建模的基本原理及相關模擬技術,然後利用工藝模擬軟體生成器件基本結構,並對其基本特性進行了分析;分析了業內和學術界比較通用的高壓器件建模的方法,隨后在模擬實驗的基礎上著重分析了dddmos的物理特性,在求解泊松方程、連續性方程等基本方程的基礎上,建立有物理意義的漂移區電阻的宏模型;隨后結合spicemos ( level = 3 )模型而得到完整的dddmos模型,此模型與模擬數據符合得比較好,通過對不同工藝參數的器件進行模擬比較,該模型能夠覆蓋不同的工作偏壓范圍,具有較明確的物理意義,對今後的功率集成電路的研發有一定的參考意義。According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given
根據平面剛架穩定性能量法特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的特殊情況,求出撓曲線函數(試解函數)通解,得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing
從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程,即折射率方程和哈密頓-雅可比方程。( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses
本文基於彈性理論和有限元原理與方法,分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓力計算方法的基礎上,探討了影響垂直土壓力的主要因素以及改進的方法; ( 2 )分別通過彈性理論分析法和結構力學的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響,利用有限元的思路,建立了地下管道橫向力學有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。Reduction crack in the pumping transfer concrete during the megathermal climateit is a diffcult problem. the unit undertaking project of no : 4 pump station for diverting water from the south to the north make a beneficial explore form the design of mix proportionging, control and the concret placing temperature to control the crack extension those experience can be referenced by the unit in charge of large scale pumping station project
摘要高溫季節泵送混凝土裂縫控制的當前工程界一個難題,南水北調淮安四站工程建設中,建設單位科學安排、精心施工,從控制混凝土配合比、入倉溫度等多方面著手,對混凝土裂縫控制技術進行了有益的探索,並取得了預期的效果,為混凝土抗裂技術積累了經驗,對同類型泵站的施工具有重要的參考意義。The thesis analyzed the effects, associated with the propagation of laser in plasma channel, such as diffraction, plasma defocusing, the third - order intensity - dependent nonlinearity, the relativistic self - focusing, the focusing and defocusing of the plasma channel, and the absorbtion in the collision plasma and the finite pulse length effect
文中用哈密頓-雅可比方程方法和源展開方法分別對激光在等離子體隧道中傳輸所涉及的衍射效應、等離子體散焦效應、三階強度非線性、相對論自聚焦、等離子體隧道的聚焦和散焦效應、碰撞等離子體中的吸收效應、有限脈寬效應等等做了基本的闡述。分享友人