Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

Abstract: This paper addresses the problematic of usage of electronic ballasts in modern LED lighting equipment. A sample of eleven LED lamps available on the market is analyzed in temporal and ...

Abstract: The new Electronic ballast as a starting element has replaced the conservative ballast system of fluorescent lamps. These highly efficient electronic ballasts are preferred over conventional ...