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  • Algebraic dependences of meromorphic mappings sharing moving hyperplanes without counting multiplicitiesAlgebraic dependences of meromorphic mappings sharing moving hyperplanes without counting multiplicities

    The above results are the best results on the algebraic dependences of meromorphic mappings sharing moving hyperplanes available at the present. Actually, there are many authors consider the multiple values for meromorphic mappings sharing hyperplanes, i.e., consider only the intersecting points of the mappings fi and the hyperplanes aj with the...

    pdf9 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 493 | Lượt tải: 0

  • Regularity of ideals associated with a complete graph in two weights (2,1)Regularity of ideals associated with a complete graph in two weights (2,1)

    Theorem 3.1. With the above notations, then we have the following assertions (1) If G is the empty set, then a2(R/I) = 0. (2) If G is a union of disjoint edges, then a2(R/I) = 1. (3) If G does not contain any triangles and G has at least two distinct edges which have a common vertex, then a2(R/I) = 2. (4) If G contains at least a triangle, the...

    pdf6 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 427 | Lượt tải: 0

  • Some runge-kutta algorithms with error control and variable stepsizes for solving a class of differentialalgebraic equationsSome runge-kutta algorithms with error control and variable stepsizes for solving a class of differentialalgebraic equations

    Abstract: In this paper, we propose and discuss numerical algorithms for solving a class of nonlinear differential-algebraic equations (DAEs). These algorithms are based on half-explicit Runge-Kutta methods (HERK) that have been studied recently for solving strangeness-free DAEs. The main idea of this work is to use the half-explicit variants of...

    pdf16 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 530 | Lượt tải: 0

  • A comparison theorem for stability of linear stochastic implicit difference equations of Index-1A comparison theorem for stability of linear stochastic implicit difference equations of Index-1

    LSIDEs is generalization of linear stochastic difference equations, which have been well investigated in the literature, see [1-4]. They arise as mathematical models in various fields such as population dynamics, economics, electronic circuit systems or multibody mechanism systems with random noise (see, e.g. [5-8]. They can also be obtained fro...

    pdf8 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 489 | Lượt tải: 0

  • The effect of residual la on crystal structure and magnetic properties of La1+Fe11.05Si1.95 compoundsThe effect of residual la on crystal structure and magnetic properties of La1+Fe11.05Si1.95 compounds

    Abstract: In this paper, we present the results of the study of the effect of residual La on crystal structure, magnetic properties of La1+Fe11.05Si1.95 ( = 0.00; 0.03; 0.06 and 0.09) compounds. The analysis of X-ray diffractions showed that when the La content increases to 9%, the structure still remains cubic in a typical NaZn13 arrangement ...

    pdf6 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 406 | Lượt tải: 0

  • ℋ∞ Finite-time boundedness for discrete-time delay neural networks via reciprocally convex approachℋ∞ Finite-time boundedness for discrete-time delay neural networks via reciprocally convex approach

    Abstract: This paper addresses the problem of ℋ∞ finite-time boundedness for discrete-time neural networks with interval-like time-varying delays. First, a delay-dependent finite-time boundedness criterion under the finite-time ℋ ∞ performance index for the system is given based on constructing a set of adjusted Lyapunov–Krasovskii functionals ...

    pdf14 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 430 | Lượt tải: 0

  • Absorption of isopropanol on surface of defect siliceneAbsorption of isopropanol on surface of defect silicene

    Abstract: In this work, we investigate the defect structure of silicene with a vancacy and the adsorption mechanism of isopropanol on the surface of defected silicene by employing the Density Functional Theory method. The adsorption profile was determined based on the van der Waals functional optPBE-vdW, and the charge transfer between isopropan...

    pdf8 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 548 | Lượt tải: 0

  • A comparative study on two different methods for calculating gravity effect of an uneven layer: Application to computation of bouguer gravity anomaly in the east Vietnam sea and adjacent areasA comparative study on two different methods for calculating gravity effect of an uneven layer: Application to computation of bouguer gravity anomaly in the east Vietnam sea and adjacent areas

    Abstract: Calculation of gravity anomaly caused by an uneven layer is essential for quantitative interpretation. By comparing calculated anomalies with observed anomalies, we may infer some parameters of subsurface structures. There are many different methods for computing gravity effect of an uneven layer. This paper presents a comparative stud...

    pdf9 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 529 | Lượt tải: 0

  • Nano titanium dioxide coated on multi-wall carbon nanotubes for photocatalytic applicationNano titanium dioxide coated on multi-wall carbon nanotubes for photocatalytic application

    Abstract. Titanium dioxide (TiO2) coated on multi-walled carbon nanotubes (CNTs) was synthesized with CNTs and TiO2 using the grinded method. The XRS spectra include that of the obtained single-phase anatase sample. The UV-Vis diffuse reflectance spectra show that the composite material can absorb at a higher wavelength and the absorption covers...

    pdf6 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 479 | Lượt tải: 0

  • Pressure-dependent structural heterogeneity in calcium silicate glassPressure-dependent structural heterogeneity in calcium silicate glass

    Abstract. This work presents a molecular dynamics simulation (MDS) of CaSiO3 glass using Born–Mayer–Huggins potentials. The structural organization and structural phase transition under compression as well as network structure of CaSiO3 are clarified through analysis and visualization of molecular dynamics simulation data. The short-range order ...

    pdf11 trang | Chia sẻ: thanhle95 | Ngày: 14/07/2021 | Lượt xem: 495 | Lượt tải: 0

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