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环保和排放法规日益严格,全球航运业已进入燃料过渡阶段,正在朝着低碳化方向快速发展.同时,客户需求和监管力度加大,行业出现了诸......
牛肉的营养价值高、口感好，受到市场的广泛欢迎。市场的需求推动了畜牧养殖的发展。在对肉牛的养殖中，养殖成本对肉牛养殖户的经济收......
在当前我国煤矿的实际开采过程中，针对相关机电设备需要投入较大的资金成本，并且相关矿井设备的实际质量将会直接影响着实际的矿井生......
A simple equation is proposed to predict mutual diffusion coefficients in non-ideal binary liquid mixtures(including clo......
To date,the United States,Russia and the European Union have promulgated or amended legislations,presidential decrees,ad......
In the search for improved efficiency and solution to budget constraints,many public services are increasingly provided ......
目的以北京大学为例,分析高校附属医院医疗机构制剂特别是中药制剂发展面临的挑战并提出建议。方法设计访谈提纲,采取目的抽样方法......
In this paper,we will study the nonlocal and nonvariational elliptic problem{−(1+a||u||qαq)Δu=|u|p−1u+h(x,u,∇u)inΩ......
We consider a nonlinear Dirichlet problem driven by a(p,q)-Laplace differential operator(1<q<p).The reaction is(p-1)-lin......
In this paper, we will study the oscillatory properties of the second order half-linear dynamic equations with distribut......
Simple and double layers first appeared in electrostatics and later found various applications in mathematical physics. ......
Biodiversity-friendly Agricultural Practices in the Indigenous Agricultural Systems in the Biodivers
Agricultural systems result of the coevolution between social and natural systems,where biodiversity and natural resourc......
A van der Pol equation underlying state feedback control is investigated and the triple-zero bifurcation arises at the b......
1、The listening current situation by junior college students Listening is a significant and essential area of develo......
Bidding is a key link during the implementation of a construction project.For the same construction project,there are us......
After the introduction of“corporate governance”in China,the organization and management of enterprises have been compr......
Global in time weak solutions to the α-model regularization for the three dimensional Euler-Poisson equations are consi......
We are concerned with the nonlinear Schrödinger-Poisson equation{−Δu+(V(x)−λ)u+ϕ(x)u=f(u),−Δϕ=u2,lim|x|→+∞ϕ(......
Some sufficient conditions of the energy conservation for weak solutions of incompressible viscoelastic flows are given ......
In this paper,a delayed HIV/AIDS epidemic model with treatment and spatial diffusion is introduced.By analyzing the corr......
The nonlocal symmetry of the Sawada–Kotera(SK)equation is constructed with the known Lax pair.By introducing suitable a......
A critical Trudinger-Moser inequality involving a degenerate potential and nonlinear Schrodinger equ
The classical critical Trudinger-Moser inequality in R2under the constraint∫R_(2)(|▽u|2+|u|2)dx≤1 was established thr......
On local strong and classical solutions to the three-dimensional barotropic compressible Navier-Stok
We consider the local well-posedness of strong and classical solutions to the three-dimensional barotropic compressible ......
Soliton, breather, and rogue wave solutions for solving the nonlinear Schrodinger equation using a d
The nonlinear Schrodinger equation is a classical integrable equation which contains plenty of significant properties an......
The article is considering the third kind of nonlinear Volterra-Stieltjes integral equations with the solution by Lavren......
Dynamics of exact soliton solutions to the coupled nonlinear system using reliable analytical mathem
Nonlinear Schrödinger-type equations are important models that have emerged from a wide variety of fields,such as fluid......
This paper is concerned with stability of traveling wave fronts for nonlocal diffusive system.We adopt L1,-weighted,L1......
岩土工程勘察工作是工程建设全生命周期中的关键性环节,其质量高低直接关系到整个建设工程项目的施工质量和经济效益,甚至可能威胁......
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Reconsidering Internationalization，its Impacts and Solutions on Student Affairs Administration in Ch
Why IHE，Not Globalization of Higher EducationGlobalization，used to be a process that business and other industrial activit......
本文通过对普通高校武术课的开展现状进行研究并分析,对高校体育武术课堂教学质量提升的新路径进行尝试性探索,对所存在的问题提出......
目的：观察1：1、1：2、1：3三种晶体和胶体混合液用于血液稀释（血稀）的特点，探讨以何种比例混合较适宜。方法：选择40例择期手术病人，随机分为5......
We are concerned with the existence of quasi-periodic solutions for the following equation x" + Fx (x, t)x' + ω2x +......
Multiple positive periodic solutions for a generalized delayed population model with an exploited te
In this paper, the existence of two positive periodic solutions for a generalized delayed population model with an explo......
Let Ω RN be a ball centered at the origin with radius R 】 0 and N 7, 2* = 2N/N-2. We obtain the existence of infinit......
In this paper, we give weak regularity theorems on P of u~ε(x, P), where u~ε(x, P)is the viscosity solution of the cel......
Existence of almost periodic solutions of second order neutral delay differential equations with pie
由构造几乎周期的顺序答案到差别方程，中立延期的几乎周期的答案的存在有 piecewise 常数争论 $$\frac 的微分方程{{ d ^ 2 }}{{ d......
In this paper the qualitative analysis methods of planar autonomous systems and numerical simu-lation are used to invest......
Based on the eigensystem {λj,φjof -Δ, the multiple solutions for nonlinear problem Δu+f(u)=0 in Ω,u=0 onαΩ are ap......
A new almost periodic type of solutions of second order neutral delay differential equations with pi
A definition of pseudo almost periodic sequence is given and the existence of pseudo al-most periodic seguence to differ......
We study the following coupled system of quasilinear equations:{-△pu+|u|^p-2u=f(u)+λυ,x∈R^N,-△pυ+|υ|^p-2υ=g(υ)+......
In this short note we revisit the convex integration approach to constructing very weak solutions to the 2D Monge-Amp......
Pulsating waves and entire solutions for a spatially periodic nonlocal dispersal system with a quies
This paper deals with the pulsating waves and entire solutions for a spatially periodic nonlocal dispersal model with a ......
We study a degenerate elliptic system with variable exponents. Using the variational approach and some recent theory on ......
The estimate of a holomorphic supporting function for the generalized complex ellipsoid in is given, This domain is not ......
Based on the eigensystem {λj, φj} of -△, the multiple solutions for nonlinear problem △u + f(u)= 0 in Ω,u = 0 on Ω......
