The dispersion properties of surface plasmon polaritons (SPPs) during propagation on metal wires with a dielectric coating in the terahertz frequency range were investigated theoretically. An analytical expression was obtained for pulsed electric field using solution Maxwell equations taking into account high-order terms. influence distortion pulse shape investigated. Unlike uncoated wire, puls...

Caffeine, dose dependently can reinforce or deteriorate learning. In previous studies, the effect of glucose on decreasing of amnesia was investigated. In this study, the effect of caffeine on three phases of learning and also probable interference of glucose in mice were examined by using of passive avoidance learning .Male albino mice were examined as follows: 1. test group: a) this group rec...

The currently high price of gold wire has led to the development of bonding wire made from palladium-coated-copper as a lower cost alternative. Increasing the uniformity of the Pd distribution in free-air balls, formed by melting the wire end with an electric spark, is of interest as it can influence the uniformity of process and reliability. To study this Pd distribution, free-air balls are ma...

We use both electromagnetic topology EMT and the Baum-Liu-Tesche BLT equation to analyze a cavity model with an aperture. More precisely, we combine the aperture coupling theory and EMT to study the issues of the electromagnetic field penetration through apertures into a cavity and the coupling to a two-wire transmission line in it. We employ the equivalence principle to establish the equivalen...

In this paper, the hairpin method is applied to an Electric Vehicle (EV) driving motor with a stator winding designed round copper wire. The secure high space factor by using wire instead of for winding. applicable model 300kW Interior Permanent Magnet Synchronous Motor (IPMSM), and cooling water cooling. current density has proportional relationship thermal characteristics, in case wire, lower...