Astrophysics at n_TOF facility
The neutron time of flight (n_TOF) facility at CERN. Measurement of neutron capture cross sections in the S-process nucleosynthesis. Galactic condensation and the formation of stars. Checking models of stellar evolution. Mechanisms of neutron capture.
Подобные документы
Detailed arguments showing that the set of Maxwell equations, and the corresponding wave equations, do not properly describe the evolution of electromagnetic wave-fronts. Criticism of the theory of electromagnetism. Modified the Maxwell equations.
книга, добавлен 11.09.2012Deposition of CuPc under the electric field and without it. The influence of the field on morphological properties. Quantum-chemical modeling and growth mechanisms. The electrical characteristics of the amorphous and crystalline structure of the films.
статья, добавлен 30.07.2016Propagation of radio waves in an inhomogeneous atmosphere. Consideration of the principles of field strength attenuation and classification of the main models of radio routes. Attenuation of radio waves in conditions of dense development in megacities.
статья, добавлен 23.10.2020Electronic spectra in functionalizing semiconducting carbon nanotube. The soft degrees of freedom in the molecular system: radial deformation, misfit dislocations, and conformation. Conditions of localization or tunneling for holes and electrons.
статья, добавлен 02.04.20144-dimensional (4D) aether formed by a fluid of preons in continual motion in a 4D-space, where the time dimension is as a spatial dimensions. A specializing the equation of motion to an inviscid constant density region of 4D moving and excess energy.
статья, добавлен 11.09.2012Modern cosmological models describing the macrocosm. A comparative estimate of the maximum lifetime of a de Sitter universe obtained by the method of Don Page and made in the framework of string theory. Paradoxes of phantom energy and quantum mechanics.
статья, добавлен 23.06.2018To gain knowledge about the ionosphere structure at mid- and high latitudes and create modern ionosphere and thermosphere models - the task of the incoherent scatter radar. Problem of the creation of reliable theoretical ionosphere region F2 model.
статья, добавлен 30.10.2016The essence of temperature is one of the most important factors affecting the coefficient of dielectric loss. This paper presents the investigation of temperature dependences of the microwave dielectric losses for different mechanisms of polarization.
статья, добавлен 29.01.2017Nonlinear regimes of 1D parametric instabilities of long-wave plasma waves are considered for the cases when the average plasma field energy density is less or greater than the plasma thermal energy. The evolution of ion energy distribution is studied.
статья, добавлен 27.07.2016A quantum mechanical system in different frames of reference. Linearly accelerated frame and equivalence principle. Rotating frame, coriolis and centrifugal forces. Evolution of a state vector in quantum mechanics as a kind of parallel transport.
статья, добавлен 11.09.2012Electromagnetic disturbances at explosions of charges of condensed high explosives for the first time were found out by A.G.Ivanov in summer of 19381. In the subsequent years these effects were repeatedly investigated in many laboratories of the world.
статья, добавлен 04.11.2018Simple models describing dipole radiative strength functions in medium and heavy nuclei. Basic parameters of the giant dipole resonances and their error. Phenomenological model to describe the kind of asymmetric dipole radiative strength functions.
статья, добавлен 09.10.2013Solution of the problem of non-stationary anisotropic thermal conductivity in the software "AnisotropicHeatTransfer3D". Analysis of the distribution of the temperature field in an anisotropic solid at a given time by means of raster and vector graphics.
статья, добавлен 05.09.2024- 114. Advanced computational methods for complex simulation of thermal processes in power engineering
The overall frame and principal steps of complex numerical modelling of thermal processes in power boiler furnaces on pulverised coal with tangential disposition of the burners. The methodology for creation of three-dimensional models of boiler furnaces.
статья, добавлен 02.02.2019 The renormalization-group analysis of turbulence, based on KG Wilson’s coarse-graining procedure, leads to suggestive results for turbulence coefficients and models. The RG method, a calculation procedure successfully employed in many areas of physics.
статья, добавлен 09.09.2012Development of rotor mechanisms, which make it possible to use solar radiation as efficiently as possible. The design and structure of a solar power plant. Scheme of control and balancing of output power. Selection of the type of photovoltaic cells.
статья, добавлен 22.12.2016Development of model for prestellar clouds. Thermal and chemical evolution. Effects of cosmic microwave background radiation. Role of metals in dust phases: a minimum model for metallicity effects. Reduced chemical model for low-metallicity clouds.
статья, добавлен 13.11.2013Calculation results of mathematical models to determine bearing capacity, adhesion force and friction force of smectic crystal of stearic acid. Van-der-Waal’s interaction between molecules in layer and methyl groups of smectic crystal adjacent layers.
статья, добавлен 22.03.2016- 119. Optimal control of mutual impact of electric grids for the reduction of their electric energy losses
Mathematical models and algorithms of determination of power losses in an inhomogeneous electric networks caused of their interaction. A way to reduce these losses by means of linear regulators that are installed in the electric networks of low voltage.
статья, добавлен 29.06.2016 Dielectric loss, which characterizes the conversion of electrical energy into thermal energy as electrical properties of dielectrics. Loss mechanisms and their contribution to the conductivity of the dielectric materials of ultra-high frequencies.
статья, добавлен 26.06.2016The features of surface waves motion and the analysis of methods for finding the timing and patterns of change in motion R-waves along the free surface. The calculate time - frequency performance under different formulas and compared with each other.
статья, добавлен 27.07.2016Analytical comparison of the accuracy of numerical solutions obtained by the FDTD method and the Godunov method in solving telegraph equations. The advantages of the design scheme based on the Godunov method in the analysis of dynamic modes in long lines.
статья, добавлен 02.02.2019Importance of the different parameters of wearing out of power transformer insulation prediction structure and operating factors. Selection of configuration and parameters of paper insulation and transformer oil technical state models is investigated.
статья, добавлен 29.07.2016Acquaintance with the features of the influence of polymer coatings on the lifetime of carriers in silicon crystals used in solar energy. General characteristics of the conditions of magnetic and X-ray exposure, analysis of electrophysical parameters.
статья, добавлен 23.12.2016Calculation and interpretation of the relativistic Doppler effect using only the Lorentz force and relativity theory. The Lorentz transformation and time dilation. Analysis the link between the invariance of the light speed and the Doppler relations.
статья, добавлен 11.09.2012