搜索结果: 106-120 共查到“物理学 Thermal”相关记录124条 . 查询时间(0.19 秒)
Optical Properties and Determination of Thermal Transformation Parameters for Se0.65Te0.35 High Reflectance Thin Films
Optical Properties and Parameters High Reflectance Chalcogenide Semiconductors Thermal Transformation Parameters
2010/4/9
Chalcogenide glasses Se-Te have been prepared from the high purity constituent elements. Thin films of these materials have been deposited by vacuum evaporation. The thickness effects on the optical p...
Thermal Behavior of the Compactified 3-D Gross-Neveu Model
Four-fermions interactions Spatial confinement Thermal deconfinement
2010/9/29
We consider the N-component tri-dimensional massive Gross-Neveu model at finite temperature and with compactified spatial coordinates. We study the behavior of the renormalized large-N effective coupl...
Thermal Operator Representation of Feynman Graphs
Quantum field theory Finite temperature and thermal operator
2010/9/29
In this talk I describe an interesting relation between Feynman graphs at finite temperature and chemical potential and the corresponding ones at zero temperature. The operator relating the two which ...
Enhanced of the R6G Thermal Diffusivity on Aggregated Small Gold Particles
Thermal diffusivity Nanofluids Gold nanoparticles Thermal lens
2010/9/29
R6G dye with gold nanoparticles was prepared in water solution. Using a thermal lens experimental setup, the thermal diffusivity of R6G in presence of gold nanoparticles with Au different concentratio...
Molecular Dynamics Study of Thermal Properties of Intermetallic Alloys
Molecular dynamics Sutton-Chen potential intermetallic alloys thermophysical properties
2010/4/9
Molecular dynamics simulations of bulk copper, gold pure metals and their ordered intermetallics alloys of Cu3Au(L12) and CuAu3(L12) have been carried out between above 0 K and below the their melting...
Effect of Thermal Annealing on the Band GAP and Optical Properties of Chemical Bath Deposited ZnSe Thin Films
Chemical bath Deposition ZnSe Thin film band gap Solar Cells
2010/4/9
Zinc selenide (ZnSe) thin films were deposited on glass substrate using the chemical bath deposition method at room temperature from aqueous solutions of zinc sulphate and sodium selenosulfate in whic...
Thermal Neutron Computed Tomography at the Argonauta Reactor
Thermal Neutron Computed Tomography the Argonauta Reactor
2010/10/15
Since 1985 the Argonauta Reactor at the Instituto de Engenharia Nuclear - IEN/CNEN has been used as a source of thermal neutrons to acquire transmission-generated radiographic images. From that time u...
Evaluation of the Divergence of a Thermal Neutron Beam using a Position Sensitive Detector
a Thermal Neutron Beam a Position Sensitive Detector
2010/10/15
The divergence of the thermal neutron beam available at the main outlet channel of the Argonauta Reactor in the Instituto de Engenharia Nuclear has been measured by using a Position Sensitive Detector...
Synthesis of Carbon Nanostructures by Using Thermal Plasma Torch
Carbon Nanostructures Thermal Plasma Torch
2010/10/27
Some recent results concerning the synthesis of carbon nanostructures in a thermal plasma generating by a plasma torch are presented. Several tests were carried out in different operational conditions...
Use of Thermal Neutrons to Perform Analyses in Body Organs of Small Sized Animals
Thermal Neutrons Body Organs Small Sized Animals
2010/10/25
The absolute neutron activation analysis (ANAA) technique was used for the determination of some elements on body organs, such as, kidney, heart, muscles and spleen of small-sized animals used on expe...
Improvement of a Gaseous Position Sensitive Detector for use in Thermal Neutron Tomographic Systems
a Gaseous Position Sensitive Detector Thermal Neutron Tomographic Systems
2010/10/22
The utilization of a position sensitive detector in tomographic systems is an attractive possibility because it is capable of furnishing the position where the ionizing event occurs. This feature can ...
Thermal Expansion Contribution to the Temperature Dependence of Excitonic Transitions in GaAs and AlGaAs
Thermal Expansion the Temperature Dependence Excitonic Transitions GaAs and AlGaAs
2010/10/21
Photoluminescence and photoreflectance measurements have been used to determine excitonic transitions in the ternary AlxGa1−xAs alloy in the temperature range from 2 to 300 K. The effect of the ...
Comparison of Tomografhic Systems for X-Ray and Thermal Neutrons
Tomografhic Systems X-Ray Thermal Neutrons
2010/10/28
In this work, tomographic images of the same object have been taken with 25 keV X-rays and thermal neutrons
(E=0.025 eV) aiming to demonstrate that thermal neutron tomography in some cases is a compl...
Bose-Einstein Condensation in Dissipative Systems far from Thermal Equilibrium
Bose-Einstein Condensation in Dissipative Systems Thermal Equilibrium
2010/10/18
It is shown, that Bose-Einstein condensation can occur not only in spatially extended
equilibrium systems, but also in the systems far from thermal equilibrium, which show
order-disorder phase trans...
Thermal Stability of Fe85.5B14.5 Metallic Glass
Thermal Stability Fe85.5B14.5 Metallic Glass
2010/4/15
The thermal stability and crystallization behaviour of metallic glass Fe\( 85.5 \)B\( 14.5 \) were investigated by Dynamic Temperature Resistivity Measurement (DTRM) technique from room temperature to...