【Abstract】Square-shaped Split-ring resonator (SRR) left-hand Material(LHM) is proposed in Radio frequency band and S parameter extraction method was used to extract the effective permittivity and perm
Introduction Altruism, according to Merriam-Webster Dictionary, is defined as “unselfish regard for or devotion to the welfare of others”. The altruistic behaviors are never purely altruistic; instea
1. Introduction As we all know, men are dominant in the political field throughout the world. However, there are two excellent women who have made a big difference to this field. They are Margaret Th