Results 221 to 230 of about 106,806 (266)

Repetition Time and Echo Time as Determinants of Quantitative Accuracy in Brain Magnetic Resonance Spectroscopy (MRS): A Comprehensive Review. [PDF]

Cureus
Tyagi S, Sharma A, Shukla AK, Chand Sylonia S, Gupta L.   +4 more
europepmc   +1 more source

Energy and thermal magnetization of diatomic molecules under the enhanced Pöschl-Teller potential. [PDF]

Sci Rep
Eyube ES, Kamaludeen M, Vijinti FC, Fwangle II, Isa MF.   +4 more
europepmc   +1 more source

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Magnetic Field Modeling

Mechanisms and Machine Science, 2011
The magnetic field modeling of the PM-pole rotor is presented. According to the magnetic characteristics of the three regions of the rotor space, Laplace’s equations of magnetic scalar potential are derived. By using the boundary conditions in between neighboring regions as well as the spherical harmonic expansion of radial component of the residual ...
I-Ming Chen, Kok-Meng Lee, Chen I-Ming   +2 more
exaly   +2 more sources

Modelling coronal magnetic fields

Solar Physics, 1981
The ‘hairy ball’ model of coronal magnetic fields has a spherical source surface separating potential and radial magnetic fields. In the present model the source surface is chosen such that the wind speed equals the Alfvenic speed at selected points on the source surface. Results have been obtained for a dipole base field and an isothermal corona.
D. P. Rowse, I. W. Roxburgh
openaire   +1 more source

A hybrid magnetic field model for axisymmetric magnets

2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics, 2013
A hybrid model, synergistically fusing the accuracy of artificial neutral networks (ANNs) and the efficiency of the single magnetic dipole (MD) model, is presented to characterize the magnetic field of axisymmetric cylindrical permanent magnets. While the MD model is widely used due to its simplicity, its efficacy reduces dramatically near the source ...
Faye Wu, Dan D. Frey, Shaohui Foong
openaire   +1 more source

A CRITICAL ISING MODEL IN A MAGNETIC FIELD

International Journal of Modern Physics B, 1993
Generalising ideas developed by Owczarek and Baxter and by Pasquier, we establish an equivalence between restricted solid-on-solid models and loop models. Application to the O (n) model leads to a new family of solvable A-D-E models. For the models related to the classical A L algebra we present an off-critical extension and show that the A 3 model ...
WARNAAR, SO, NIENHUIS, B, SEATON, KA
openaire   +4 more sources

Magnetic Field Data Correction in Space for Modelling the Lithospheric Magnetic Field

Space Science Reviews, 2016
The Earth’s magnetic field as it is measured by low-Earth orbit satellites such as Swarm and CHAMP results from the superposition of internal and external source fields overlapping in time and in space. The Earth’s lithospheric field is one of the weakest sources detectable from space and its accurate description requires treatments of rapidly-varying ...
Thébault, Erwan, Lesur, V., Kauristie, K., Shore, R.   +3 more
openaire   +4 more sources

String Cosmological Models with Magnetic Field

General Relativity and Gravitation, 1999
A new class of string cosmological models with and without magnetic field in the context of a spacetime with \(G_3\) symmetry has been presented. In order to study the effects of magnetic field, the standard energy-momentum tensor is modified by incorporating an additional term due to a magnetic field.
Singh, G. P., Singh, Triloki
openaire   +2 more sources