Top PDF Momentum of the Pure Radiation Field
Momentum of the Pure Radiation Field
... In the original and current presentation of Quantum Electro- dynamics, the Poynting vector forms a basis for the quant- ized momentum of the pure radiation ...
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Mapping of the radiation field of a mammography equipment using molybdenum and rhodium filters
... use of X rays for diagnostic radiology is very common and important to Medicine, including mammographic diagnosis focusing decreasing of the doses applied to the patients and preserving high ...
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Liquid Crystal Bow-Tie Microstrip antenna for Wireless Communication Applications
... presented the design and analysis of Bow-Tie antenna on liquid crystal substrate, which is suitable for the ...applications. The Omni-directional radiation patterns along with moderate ...
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Esc. Anna Nery vol.15 número1
... in the document prepared by the division of the field of nursing express the political momentum to advance science, technology and innovation in our country which ...
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On a one-equation turbulent model with feedbacks
... on the basis of the approach used for the k-epsilon ...model. The novelty of the model consists in the consideration of a general feedback forces ...
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Covariance properties and regularization of conserved currents in tetrad gravity
... Accordingly, we derive the explicit transformation laws of the canonical current and of the related field momentum under finite general linear and local Lorentz transformations.. Althoug[r] ...
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Braz. J. Phys. vol.40 número1
... verify the equivalence be- tween GR and TEGR. More specifically, we consider the so- lution for an isotropic and homogeneous universe described by the FLRW metric in Cartesian ...coordinates. ...
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Braz. J. Phys. vol.34 número4A
... models of general relativity have recently been considered with great interest by the scientific commu- ...branches of physics as different as gravitation, condensed matter physics, electrodynamics, ...
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Energy and momentum for the electromagnetic field described by three outstanding electrodynamics
... computing the symmetric energy–momentum tensor from the field ...Multiply the equation for the field in hand by a suitable derivative of this field so that ...
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Development of object simulator for radiation field of dental x-rays
... by the International Code of Practice for Dosimetry in Radiodiagnosis in 2007 ...Besides the IAEA has the International Commission on Radiological Protection (ICRP) founded in 1928, is ...
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STUDIES CONCERNING THE EFFECT OF GAMMA RADIATION AND MAGNETIC FIELD EXPOSURE ON GLADIOLUS
... tested the effect of gamma irradiation and magnetic field exposure of gladiolus corms and cormels of the cultivars: Her Majesty, Applause and ...Speranţa. The corms and ...
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Braz. J. Phys. vol.36 número4A
... survey of the Casimir effect, showing that its origin is related to ex- periments on colloidal ...methods of computing Casimir forces, namely: the global method introduced by Casimir, based on ...
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Noise and Fano-Factor Control in AC-Driven Aharonov-Casher Ring
... factor of Aharonov-Casher semiconducting ring is investigated under the effect of microwave, infrared, ultraviolet radiation and magnetic ...Both the average current and the ...
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Momentum transfer at the high-latitude magnetopause and boundary layers
... where momentum is transferred from the solar wind to the magnetosphere and ionosphere is one of the key problems of space ...Much of this transfer oc- curs through direct ...
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Influence of supply voltage frequency of induction coil on inoculation efficiency of pure aluminium structure
... inoculation of pure aluminium structure, which is realized mainly by intensification of liquid metal movement in ...aim of realization of forced movement during the ...
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Energy and angular momentum of the gravitational field in the teleparallel geometry
... theories of gravity have been considered a long time ago in connection with attempts to define the en- ergy of the gravitational field ...studying the properties of ...
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A Method To Find The Area Of Sector Without The Usage Of Angle Made By The Chord
... find the area of sector the angle made by the chord (that is chord which divides the circle) is ...in the below method we find the ratio of the segments ...
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Assessment Of Some Acceleration Schemes In The Solution Of Systems Of Linear Equations.
... SOR. The iterative schemes were applied to Banded system, Tridiagonal systems and SPD system with varying ...dimensions. The Krylov subspace methods: GMRES, QMR, MINRES and BiCGSTAB converged to an ...
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The analysis of solidification process of ferritic-austenitic cast steel
... possibility of increasing the hardness of the copper- containing alloy by ageing has made it reasonable to choose cast steels with copper addition for castings working under corrosive-erosive ...
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Evaluating the influence of selected parameters on sensitivity of a numerical model of solidification
... series of analyses indicate lack of dependence of certain sensitivity analysis ...case of increasing the parameter r (the number the matrix B* is generated) obtaining ...
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