periodic reaction 中文意思是什麼

periodic reaction 解釋
周期反應
  • periodic : adj. 1. 周期的，回歸的，定期的，定時的；間歇的，時時的。2. 某一時期的。3. 【修辭學】掉尾句的，圓周句的；美詞麗句的。adj. 【化學】高碘的。
  • reaction : n 1 反作用，反應；反沖；反動力。2 【政治學】反動，倒退；復古（運動）。3 【化學】反應，【物理學】...
  1. Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction

    內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。
  2. In this thesis we study the existence of periodic solutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion equations with nonlocal boundary value conditions, the existence of periodic solutions or periodic quasisolutions and the asymptotic behavior of general time - dependent solutions for periodic reaction - diffusion systems with nonlocal boundary value conditions. the whole thesis is made up of three chapters

    本文研究時間變量是周期的反應擴散方程在非局部邊值條件下周期解的存在性及其一般時變解的漸近性態；研究時間變量是周期的反應擴散方程組在非局部邊值條件下周期解或周期擬解的存在性及其一般時變解的漸近性態
  3. 3, considering of the combustion reaction controlled by multi - mechanism, calculated results showed combustion wave of the continual combustion also changed to an unstable combustion way, the combustion temperature and wave propagating velocity changed periodically. by changing factors about the reaction mechanism, results showed the periodic oscillation combustion was mainly caused by the effect and feedback between chemical reaction and thermal conduction

    3 、計算結果同時顯示， shs燃燒過程中的不穩定主要來源於燃燒過程的熱反饋造成的化學反應機理變化，在這種存在多機理控制的反應體系中，燃燒過程的溫度會隨時間變化而出現有規律的振蕩。
  4. The results extend those of autonomous systems to case for no autonomous systems. 4. the stability and the existence of periodic solutions for ecological systems of reaction - diffusion type are discussed by using of smoller invariant domains principle liapunov functional method comparison principle and fixed point theorem

    四、研究了用偏微分? ?積分方程描述的生態系統平衡位置的穩定性、漸近穩定性及周期解的存在性、穩定性，採用smoller不變區域原理、比較原理，不動點原理及liapunov泛函方法。
  5. Firstly, we study the periodic parabolic equations with delays by using the method of upper and lower solutions and its associated monotone iterations, it is shown that the reaction function in the system possesses a quasi - monotone property and the periodic boundary value system has a pair of coupled t - upper and lower solutions then the periodic boundary value problem has a pair of periodic quasi - solutions and the sector between the quasi - solutions is an attractor of the delayed periodic parabolic system

    首先，我們研究含時滯的周期拋物型方程組應用上、下解方法及相應的單調迭代方法，證明：如果反應項混擬單調且方程存在周期上、下解，則方程一定存在周期擬解，並且擬解構成的區間是一個吸引子。
  6. Firstly sufficient conditions for the existence of periodic solution are obtained by comparison theory of reaction - diffusion differential equations ; secondly sufficient conditions are established, under which the models admits a positive periodic solution which attracts all positive solutions

    利用反應擴散方程的比較原理給出了系統存在周期解的充分條件。然後利用單調正、凹運算元理論，給出了該擴散種群模型周期解全局吸引的充分條件。
  7. Finally, we further consider the following boundary valuable problem of the reaction - diffusion system with time delay. the existence of periodic solutions for this system by the periodic upper and lower solution method and fixed point theory are investigated

    最後，我們進一步研究時滯反應擴散系統的邊值問題利用不動點定理，上、下解方法及運算元理論，得到方程周期解的存在性
  8. In chapter 1, we establish the upper and lower solutions method of the existence of periodic solutions and the local asymptotic behavior for scalar periodic reaction - diffusion equations with nonlocal boundary value conditions

    全文由三章組成。在第一章，建立帶非局部邊值條件的單個反應擴散方程周期解的存在性及其局部漸近性態的上、下解方法。
  9. In chapter 2, we apply the results of chapter 1 to establish the upper and lower solutions method of the existence of periodic solutions or periodic quasisolutions and the local asymptotic behavior for periodic reaction - diffusion systems with nonlocal boundary value conditions

    在第二章，應用第一章的結果建立帶非局部邊值條件的反應擴散方程組周期解或周期擬解的存在性及其局部漸近性態的上、下解方法
  10. As an extension, we shall also consider similar problems for mixed quasimonotone reaction - diffusion systems with nonlocal boundary value conditions which kernel ki ( x, y ) is alternating sign. finally, in chapter 3, we use the above results to investigate the existence of positive periodic solutions and asymptotic behavior of solutions for the logistic equation with nonlocal boundary value conditions

    我們還將非局部邊值條件中的核函數k _ 1 （ x ， y ）推廣到不必定號的情況，對混擬單調反應擴散系統周期擬解的存在性及其局部漸近性態獲得了類似的上、下解方法。
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