 全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多   阶非 的翻译结果: 查询用时：0.396秒 在分类学科中查询 所有学科 数学 更多类别查询 历史查询  阶非  order nonlinear
 A new oscillation criterion is given for the second order nonlinear differential equation x" + a(t)|x|rsgnx = 0, r> 0 , where a(t) is allowed to change its sign on [ 0 , +∞). It has generalized a theorem of J. S. W. Wong [ 1 ] . 本文给出了二阶非线性方程x″+a(t)|x|~rsgnx=0,r>0,的一个新的振动判别准则,其中a(t)当t充分大时可以改变符号,它推广了J·S·W·Wong在文中的结果。 短句来源 Singularly perturbed boundary value problems for a class of third order nonlinear differential equations :εx\+=f(t,x,x\+′,x\+″,ε),x(0)=A ,x\+′(0)=x\+′(1),x\+″(0)=x\+″(1),is studied by upper and lower solutions, the existence and asymptotic estimates of solution are obtained. 研究了三阶非线性方程奇摄动两点边值问题:εx =f(t,x,x′,x″,ε),x(0)=A,x′(0)=x′(1),x″(0)=x″(1),得到了解的存在性和渐近估计。 短句来源 We stuay the oscillation of solutions of second order nonlinear differential equation [q(t)x']'+a(t)f(x)=g(t). 本文研究二阶非线性方程[q(t)x’]’+a(t)f(x)=g(t)的解的振动性。 短句来源 Singular Perturbation of Robin Problems for Second Order Nonlinear Equations with Turning Points 具有转向点的二阶非线性方程Robin问题的奇摄动(英) 短句来源 Asymptotic Estimation of Two-Point Boundary Value Problem for Third Order Nonlinear Equation 三阶非线性方程两点边值问题的渐近估计 短句来源 更多 “阶非”译为未确定词的双语例句
 Solitary waves of the equation with higher order nonlinearity on u_t+a(1+bu~3)u~3u_x+δu_(xxx)=0 高阶非线性方程u_t+a(1+bu~3)u~3u_x+δu_(xxx)=0的孤立波 短句来源 The main results:If n(≥3) order incomplete connected graph G,δ(G)=δ(1≤δ≤n -2),then 2-δ≤B(G)≤n-2δ. 主要结果:若n(≥3)阶非完全的连通图G的最小度是δ(G)=δ(1≤δ≤n-2),则2-δ≤B(G)≤n-2δ。 短句来源 On the Further Extension of the Stability of the Trivial Solution of Four-Order Nonlinear Equation ■+f_1(, )+b+c+d·X=0 关于四阶非线性方程■+f_1(, )+b+c+d·X=0平凡解稳定性的进一步推广 短句来源 By using the method of two variables,a class of nonlinear equation εy″+a(x)y′+b(x)y″=0,n∈Z,x∈(0,1),y(0)=α,y(1)=β is discussed,The asymptotic solution of the nonlinear equation is obtained. 用两变量方法讨论了一类二阶非线性方程εy″+a(x) y′+b(x) y″=0 ,n∈ Z,x∈ (0 ,1 ) ,y(0 ) =α,y(1 ) =β,并得到了该类非线性方程的渐近解 短句来源 On the Generalization of the Stability of the Trivial Solution of A Four-Order Nonlinear Equation x+f_1(x)x+bx+f_3(x)+d·x=0 关于四阶非线性方程■+f_1()+b+f_3()+d·X=0平凡解稳定性的推广 短句来源 更多 相似匹配句对
 Calculus of Non-Integral Orders 非整数阶微积分 短句来源 Nonhomogeneous Poisson Process of Order K K阶非齐次Poisson过程 短句来源 查询“阶非”译词为用户自定义的双语例句

我想查看译文中含有：的双语例句  order nonlinear
 Local well-posedness for higher order nonlinear dispersive systems Existence and uniqueness for third order nonlinear boundary value problems Existence of solutions of nonlinear two and three-point boundary value problems for fourth order nonlinear differential equation The singularly perturbed nonlocal boundary value problems for higher order nonlinear elliptic equations On the existence of periodic solutions for the third-order nonlinear ordinary differential equations 更多 M. A. Haap has proved the eigenfunction expansion theorem, for the second-order non-selfadjoint differential operator l(y)= -y" + q(x)y under theconditionx2| q(x) | dx<. Using contour integral, we have not only simplifiedthe proof, but also replaced his conditipn by the weaker one x|q(x)|dx<. 目的:对二阶非自伴微分算子l(y)=-y″+q(x)y,0≤x<∞,在假定integral from 0 to ∞(x~2|q(x)|dx)<∞的条件下证明了特征展开。本文对方程的解做了更精确估计,然后直接采用回路积分,这样不但简化展开式的证明,且对q(x)的要求可降低为integral from 0 to ∞(x|q(x)|dx)<∞。 In this paper the following theorerms and propositions are proved:1°For any self-conjugate matrix A of rank γ over the skew-field of quaternions there exists a left tall matrix L such that L'AL is a γ-rowed non-singular self-conjugate matrix;2°Unique decomposition theorem of positive definite matrix;3°A determinant of a self-conjugate matrix is not changed in value under the GH-congruence trasformations;4°Some equivalent propositions about positive definite matrices and semi-positive definite matrices. 本文证明了下面一些定理与命题: 1°对四元数体上任意秩数为r的自共轭矩阵A恒存在一个左高矩阵L使得为一个r阶的非奇异自共轭矩阵; 2°正定矩阵的唯一分解定理; 3°自共矩矩阵的行列式在GH合同变换下不变值; 4°关于正定矩阵与半正定矩阵的一些等价命题。 In this paper the instrumentations and technigues which are suitable for measuring first-order instability threshold values of microwave field for both configurations, perpendicular and parallel pumps, in magnetic order materials are described. The spin wave linewidth is derived from instability threshold values for parallel pump. Experimental results are given for a sphere of Yttrium Iron Garnet at room temperature and X-band. These results are in good agreement with those obtained by other research workers.... In this paper the instrumentations and technigues which are suitable for measuring first-order instability threshold values of microwave field for both configurations, perpendicular and parallel pumps, in magnetic order materials are described. The spin wave linewidth is derived from instability threshold values for parallel pump. Experimental results are given for a sphere of Yttrium Iron Garnet at room temperature and X-band. These results are in good agreement with those obtained by other research workers. 本文描述了磁有序材料在垂直激励和平行激励下产生第一阶非稳定性微波阈值场的测试装置及有关测试技术。在平行激励下通过阈值场的测量可以获得自旋波线宽。同时给出了在室温、X波段对YIG单晶小球进行自旋波线宽测量的结果,与同类测量进行比较,两者相当一致。 << 更多相关文摘 相关查询

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