極方程 的英文怎麼說
中文拼音 [jífāngchéng]
極方程
英文
polar equation-
The author conceptualized and measured the following variables : time perspective ; the coping style ; reduced harm internet use self - efficacy ; positive peer involvement ; moderate parents involvement ; the totality of internet use and the score of functions. after the research used the structure equation model ( sem ) to fit the collected data, the following pathways were demonstrated at the significant level : 1, the time perspective present ( tpp ) piu. 2, tpp abreaction piu
通過時間透視、應對策略、減少傷害性的網際網路效能感、積極同伴捲入、適度父母捲入、網路(使用)總量、功能分數的界定與測量,該研究使用結構方程模型擬和數據后發現下列路徑對piu具有明顯的預測作用:現在定向piu ;現在定向發泄piu ;現在定向問題解決piu ;現在定向同伴捲入piu ;現在定向同伴捲入功能分數piu ;未來定向問題解決piu ;未來定向父母捲入piu ;未來定向發泄piu 。We have written the compatibility equation in a form that corresponds with the polar geometry.
我們已經把協調方程寫成了極坐標的形式。In this paper, the problem of limit cycle for a cubic system is studied
摘要討論三次系統(方程式略)的極限環問題。Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained
人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動力學模型,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子A side stream is recycled to the external feed stream of the column through an equilibrator as an internal feed stream. the simulation results indicate effects on the characteristics of cryogenic distillation column. consideration is given to the behavior and characteristics of the set of ordinary differential equations
3 、分析了濃度極稀物系動態精餾模型的特點,建立了此類物系動態模型的求解策略,通過對模型中狀態變量的轉換,使原本剛性較強的微分方程組轉化為一非剛性的常微分方程組。We get the math module according to the second law of newton and the foundation of the dynamics, analysis the force of the cart and pendulum, and adopt the concept of " the equivalent cart ". during writing the equitation of the system, the equitation has been processed by linear
利用牛頓第二定律及相關的動力學原理等建立數學模型,對小車和擺分別進行受力分析,並採用等效小車的概念,列舉狀態方程,進行線性化處理,最後通過極點配置,得到變量系數陣。In this research, the plant esterase of wheat and - ethanoic acid naphthalene ester were taken as materials to inspect the relation between the wheat esterase and the organic phosphorus, ten linearity equations were established which expressed the esterase vigor and the organic phosphorus density logarithm with the change of the numerical value of ultraviolet resorption, and the monotony range and the extremum of the function were confirmed
摘要本研究以小麥為植物酯酶的酶源, -乙酸萘酯為底物,考察了小麥酯酶與有機磷農藥之間作用的關系,建立了10個以吸光值變化表示的酶活性與有機磷農藥濃度對數之間的線性方程,並確定了函數的單調區間和極值。Abstract : based on the gauge theory of various interactions, some new solutions of the gauge field equations are discussed, the potential is introduced, and the relations among the results and limit cycle, various singular points are derived. finally, it is expounded that these results possess probably physical meaning on the property and phase transition of particles
文摘:從各種相互作用的規范理論出發,討論了規范場方程的某些新的解,並引入了勢,然後探討了它們與極限環、各種奇異點的關系,最後論述了這些結果可能具有的粒子性質和相變等物理意義Firstly, this paper designs a polar coordinate barotropic vorticity equation semi - spectral model and a quasi - geostrophic grid model in order to research the propagation of vortex rossby waves and tropical cyclone intensity change entirely
本文首先設計了一個極坐標系正壓渦度方程的半譜模式、一個準地轉格點模式對渦旋rossby波傳播和熱帶氣旋強度變化進行了較為系統的研究。The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically
鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的極值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。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。Limit cycles analysis to a class of cubic lienard equations
方程的極限環分析The limit cycles for type equation of quadratic differential systems
類方程的極限環Existence of the limit cycles for li 233 ; nard equation
方程極限環的不存在性On limit cycles of type i equation of quadraticdifferential systems
類方程的極限環之二Limit cycles of li 233 ; nard system with fine foci
方程多個極限環的計算On the uniqueness of limit cycle of the general li 233 ; nard equation
方程極限環的惟一性問題Chapter 3 describes the equations concerned with the simulation of mdc
第三章介紹了多級降壓收集極模擬計算涉及的物理方程。The thesis includes three parts : firstly, previous study and latest advance of molecular motor in biology are outlined, including myosin ' s and kinesin ' s construction and function, the latest advance of molecular motor in constructional biology ; secondly, the latest advance of molecular motor in physics is reviewed, including the general view of brownian motor and two examples of molecular motor, one being related to two kinds of flashing potention energy, the other being related to electronical bipole ; and finally, the model on unidirectional motion of molecular motor is in detail come up with, and especially, the interact ion between two heads is taken into account, followed by the construction of langevin equation and fokker - planck equation involved in the model. by using solutions of fokker - planck equation, unidirectional motion mechanism of molecular motor is analyzed
本文內容包括:首先綜述生物學領域分子馬達研究的最新進展,內容安排為:肌球蛋白的結構和功能,驅動蛋白的結構和功能,肌球蛋白和驅動蛋白定向運動機制的結構生物學方面的最新進展;其次綜述並分析了當前研究分子馬達定向運動機制的幾種物理模型,內容安排為:分子馬達運動的基本觀點和建構模型的一般方法,勢壘的兩態漲落誘導的分子馬達運動模型,分子馬達定向運動的偶極子模型;最後討論雙頭相互作用的分子馬達模型,內容安排為:先詳細論述模型的構建,再建立langevin方程和fokker - planck方程,接著用差分的方法求解出fokker - planck方程的解,然後分析和研究分子馬達定向運動的機制。Therefore, the theoretical definition of cip and its dynamical equation on wobble and precession - nutation are given. considering precession - nutation moment up to 5
由此對cip軸進行了理論定義,並給出了其極移歲差章動的動力學方程。分享友人