نتایج جستجو برای: axial field

تعداد نتایج: 829038  

2014
Amitava Roy Syed Murtaza Hassan Sivanandan S. Harilal Akira Endo Tomas Mocek Ahmed Hassanein

We investigated the role of a guiding magnetic field on extreme ultraviolet (EUV) and ion emission from a laser produced Sn plasma for various laser pulse duration and intensity. For producing plasmas, planar slabs of pure Sn were irradiated with 1064 nm, Nd:YAG laser pulses with varying pulse duration (5–15 ns) and intensity. A magnetic trap was fabricated with the use of two neodymium permane...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1393

this research study aimed to investigate the relationship between field-dependence/independence cognitive style and vocabulary learning strategies among iranian efl learners. ninety participants majoring in english translation at arak university were chosen. the participants were classified into two groups of field-dependent and independent based on the results of group embedded figure test (ge...

2012
T. Schröder O. Grulke T. Klinger

The axial position of a magnetic field gradient has been varied for capacitive discharges in the linear plasma device VINETA. For low magnetic fields (B ≤ O(10 mT)), double layers have been observed to form predominantly at the interface between the source and the plasma chamber. In particular, double layer position is independent of the position of the magnetic field gradient. However, shiftin...

2008
A. Bonanno V. Urpin

Stability properties of magnetic-field configurations containing the toroidal and axial field are considered. The stability is treated by making use of linear analysis. It is shown that the conditions required for the onset of instability are essentially different from those given by the necessary condition d(sBφ)/ds > 0, where s is the cylindrical radius. The growth rate of instability is calc...

Journal: :Journal of Nuclear Science and Technology 1980

In this work, applicability of Particle in Cell-Monte Carlo Collisions (PIC-MCC) simulation method for better understanding of the plasma physical mechanisms and real important aspects of a plasma column driven by surface wave plasma discharges that is used in plasma antennas is examined. Via the implementation of geometry and physical parameters of the plasma column to an Object Oriented PIC-M...

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