second differential 中文意思是什麼

second differential 解釋
二次微分, 二階微分
  • second : adj 1 第二的；第二次的；二等（的）。2 次等的；較差的；劣於…的 （to）。3 〈美國〉較年輕的。4 另一...
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  1. Newton's second law can be expressed as a differential equation.

    牛頓第二定律可表達成微分方程。
  2. Studies on screening of strains of producing phytase and the conditions of producing phytase the strains of producing phytase could be identified by the hydrolysis bound in differential medium. aspergillus niger an010001 secreting phytase was isolated by screening and second screening. the conditions of producing phytase was studied

    植酸酶菌株的篩選及產酶條件的研究本項研究利用植酸酶的菌株能在篩選培養基上形成水解透明圈的特點而進行鑒定，通過初篩和復篩，得到一株產植酸酶較高的黑麴黴（ aspergillusniger ） an00101菌株。
  3. Multiple positive solutions of singular boundary value problem for second order differential equations on half line in banach spaces

    空間中二階奇異微分方程無窮邊值問題的多重正解
  4. General solutions for a class second order inconstant coefficients differential equation

    一類二階變系數微分方程的解
  5. There are many methods of edge detection. according to practical task, we choose some classical methods of edge detection including first differential ( roberts operator, sobel operator and prewitt operator ), second differential ( laplacian operator and kirsch operator ), log filter and canny operator. they are studied in theory and practice applying

    邊緣檢測有很多方法，根據課題實際背景，選擇了幾種比較經典的邊緣檢測方法，即一階運算元（ roberts運算元、 sobel運算元、 prewitt運算元） 、二階運算元（ laplacian運算元和kirsch運算元） 、 log運算元和canny運算元，對他們進行理論和實際應用研究。
  6. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通量微分方程模型，證明了各結點利率加權和為常數即金融市場利率均衡原理，以及各結點利率極限為整個網路平均利率；其次在各結點基本利率不相同的情況下，建立了非齊次利率?流通量微分方程模型，證明了金融網路各結點利率加權和仍是一個常數，並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差；此外，還研究了開放金融網路利率?流通量方程模型，考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律，用lyapunov穩定性理論證明了模型均衡解的穩定性；最後，還研究了具有時滯的金融網路利率?流通量方程模型，並給出了具有時滯金融網路的利率流通量方程具有周期解的充要條件。
  7. We reduce the cauchy problem of equations ( 8 ), ( 9 ) to an equivalent integral equations by the fundamental solution of a second order partial differential equation. then using the contraction mapping principle and the extension theorem of the solution we prove the existence and uniqueness of the global generalized solutions and the existence and uniqness of the global classical solution

    先是通過一個二階偏微分方程的基本解，把imbq型方程組歸） ， p ）的初值問題轉化為等價的積分方程組，然後利用壓縮映射原理、解的延拓定理等證明了歸） ，問的初值問題的整體廣義解和整體古典解的存在唯一性
  8. Longitudinal movement differential function is adopted here as identification model based on analysis of helicopter characteristics ; recognition, rejection and rectification unreasonable data is the first job in the second part

    （ 1 ）在分析直升機特性的基礎上選取了直升機的縱向運動微分方程作為辨識的模型。
  9. The specified solution formula derivation of second order non - homogeneous linear differential equation with constant coefficients

    二階常系數非齊次線性微分方程特解公式的推導
  10. In this paper, we study the finite iterated order of growth and the iterated convergence exponent of the zero sequence of nonzero meromorphic solutions of second order homogeneous linear differential equation, and obtain some precision evaluation

    摘要研究了二階齊次線性微分方程非零亞純解的迭代級與零點迭代收斂指數，得到了它們的精確估計。
  11. As we all know, the comparison and separation theory of zeros distribution for second order homogeneous linear differential equations established by g. sturm lays a foundation of oscillation theory for differential equations

    眾所周知，由g . sturm建立的齊次二階線性微分方程零點分佈的比較理論和分離理論為微分方程振動性理論的研究奠定了基礎。
  12. Existence and incomparability of positive solutions for second order singular superlinear differential equations

    二階奇異超線性微分方程正解的存在性和不可比較性
  13. Some methods to find particular solutions to second - order constant coefficient inhomogenous linear differential equation

    二階常系數非齊次線性微分方程特解的一些求法
  14. This paper introduces three methods to find solutions to second - order constant coefficient inhomogenous linear differential equation, namely multinomial method, ascending order method and integration method

    摘要求二階常系數線性微分方程特解的方法雖然有許多種，但用多項式法、階數上升法、積分法求二階常系數線性微分方程的特解是比較簡便的。
  15. On the oscillation of second order linear matrix differential systems

    二階線性矩陣微分系統的振動性
  16. We consider a nonlinear differential equation periodic boundary value problems of second order which has proposed as a model for the periodic motion of a satellite in its elliptic orbit

    摘要本文考慮作為衛星繞橢圓軌道做周期運動模型的一個非線性微分方程的周期邊值問題。
  17. When the parameters of a tagaki - sugeno ( t - s ) fuzzy system are perturbed with random noise, the system turns to be a stochastic t - s system. essentially, it is a nonlinear stochastic differential system. the second part of the dissertation focuses on the stability analysis and control of the stochastic t - s systems

    設控制對象是用tag山一sugeno （ t . s ）模糊模型表示的非畢蜂琴攀{當模型參姆到統計特徵已知的瞰嗓桿擾吟一就成為一個瞬娜咚模糊模型，本質上它是一個非線性隨機微分系統。
  18. Determination of stability of odd points of special second differential system

    一類二階微分系統奇點穩定性的判斷
  19. Using the new technique, the zero, the first and the second differential pas of some persons " blood was measured, the result shows : the new technique is more sensitive than the common pas technique. the pas of many persons " blood has absorption peak around the wavelength of 637nm and 664nm

    並用導數光聲光譜技術測量了各種人血的零階，一階，二階導數，實驗表明：導數光聲光技術比普通光聲吸收光譜技術具有更高的檢測靈敏度；許多人的血液的光聲譜在637nm和664nm附近有吸收峰。
  20. In chapter 2 and 3, wave front solutions of the delay reaction - diffusion cui - lawson equation and the 2 - dimensional competitive lotka - volterra systems are obtained by constructing an upper solution and a lower solution of a second differential equation with delay. in chapter 4, it is discussed that travelling wave solutions of the delay reaction - diffusion equations whose reaction term do not satisfy quasimonotonicity condition or weak quasimonotonicity condition

    在第二章和第三章，利用一類二階時滯微分方程解的存在性理論，通過構造這類時滯微分方程的上、下解，分別研究了含時滯和擴散的cui - lawson方程和二維競爭型lotka - volterra系統，得到了它們波前解存在的充分條件。
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