On the basis of study on hydrates phase equilibrium and the GHSZ affecting factors, the potential planar distribution of gas hydrates is determined by studying the temperature and pressure conditions in the sea bottom with different water depth, and the thickness of GHSZ is attained by solving the hydrates phase boundary curve equation and geothermal gradient curve equation.

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By central difference in time and space and boundary conditions, equilibrium equations of warp are transformed into the definite equations and solved by Newton\'s iteration.

通過(guò)在時(shí)間和空間上對(duì)拖網(wǎng)曳綱平衡方程組進(jìn)行中心差分以及首尾邊界條件的處理，將該方程組轉(zhuǎn)換為定解代數(shù)方程組狼友视频入口首页面，并采用牛頓迭代法求解97人妻无码视频在线一区。

Weak formulation of equilibrium equations including boundary conditions of laminated cylindrical shell is presented, thermal stresses mixed equation of closed continuous cylindrical shell is established.

建立了彈性力學(xué)基本方程的弱形式，從而得到疊層連續(xù)柱殼混合狀態(tài)方程和邊界條件放在一起的算子方程美国av毛片，擴(kuò)大了求解的空間亚洲校园欧美国产另类性色，給出了疊層連續(xù)閉口柱殼在熱荷載和機(jī)械荷載作用下的解析解。

Weak formulation of equilibrium equations including boundary conditions of laminated cylindrical shell are presented, and thermal stresses mixed state equation for axisymmetric problem of closed cantilever cylindrical shell is established.

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Weak equilibrium condition, orthogonality condition and energy compatibility condition are used to construct high performance elements. An ideal approach is to suppose that stress satisfy these conditions simultaneously, such as the stress mode of CH (0-1) in 2-D case.

弱平衡、正交性和能量協(xié)調(diào)條件是構(gòu)造高性能雜交元的三種手段变态另类一区二区三区不卡，三個(gè)條件同時(shí)滿足是一種理想的應(yīng)力設(shè)計(jì)方案亚洲激情图片视频，四邊形單元CH(0-l)的應(yīng)力是這種理想方案的一個(gè)代表。

The consigner designs a contract in order to maximize their benefits under the conditions of restriction and compatible restriction of encouragement. This contract is the result of game and Nash equilibrium.

委托人在參與約束和激勵(lì)相容約束條件下設(shè)計(jì)一個(gè)契約實(shí)現(xiàn)自己利益的最大化过产自拍视频在线，而這個(gè)契約是雙方協(xié)商的結(jié)果韩国日本黄色视频，是一個(gè)納什均衡。

A fixed point of a discrete-time neural network with generalized input-output function and by using the converse theorem of Lyapunov function we study the uniformly asymptotical stability of equilibrium in this discrete-time neural network with variable weight and give some sufficient conditions that guarantee the stability of it.

本文首先介紹了幾類(lèi)離散神經(jīng)網(wǎng)絡(luò)模型的由來(lái)及其研究概況欧美丝袜在线第一页，利用Schauder不動(dòng)點(diǎn)原理證明了一類(lèi)具有廣義輸入輸出函數(shù)的離散神經(jīng)網(wǎng)絡(luò)模型平衡點(diǎn)的存在性国产视频92，利用Lyapunov函數(shù)逆定理給出了這類(lèi)離散神經(jīng)網(wǎng)絡(luò)模型在時(shí)變權(quán)值下的一致漸近穩(wěn)定性的充分條件黄色操逼视频网站。

The bending of rectangular plate is divided into the generalized statically determinate bending and the generalized statically indeterminate bending based on the analysis of the completeness of calculating condition at the corner point. The former can be solved directly by the equilibrium differential equation and the boundary conditions of four edges of the plate.

在分析角點(diǎn)求解條件完備性的基礎(chǔ)上將矩形板彎曲劃分為廣義靜定問(wèn)題和廣義超靜定問(wèn)題，廣義靜定彎曲可以由板的平衡微分方程及四邊邊界條件直接求解十八禁成年无码免费网站深添，廣義超靜定彎曲可以由疊加法求解激情文学激情图片。

The first part presents develops of predator-prey systems and gives the model that is investigated in our paper; Chapter 2 presents the results on boundedness of solutions and permanence of system; In chapter 3, we explicitly derive a domain of attraction for the positive equilibrium of system by using Liapunov method; The local stability and the conditions that Hopf bifurcation occurs are obtained in chapter 4; In chapter 5, some explicit fomulae of the direction of Hopf bifurcation and the stability of bifurcating periodic solutions on the center manifold are determined,using normal form and center manifold introduced by Hassard et al; In chapter 6, some numerical simulations are performed to illustrate the analytical results found; Our paper ends with a brief conclusion.

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The result, under favorable conditions, is a dynamic equilibrium in w hich

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