Non-ferrous metals are widely used as basic materials in various industrial fields, and zinc is a metal that is produced and used next to iron, aluminum, and copper.In this study, DEA (data envelopment analysis) was applied to measure the efficiency of 43 zinc smelters in three countries in East Asia: Korea, China, and Japan.The constant returns to
A literature review for a recent ultrastructural study of a trichinelloid eggshell revealed consistently occurring errors in the literature on nematode eggshell anatomy.Examples included nematodes of medical, veterinary, and agricultural importance in several orders.Previous researchers had warned of some of these errors decades ago, but a comprehe
Scandinavia represents a particular type of welfare state, characterized by institutionalized social rights, universal access, generous benefits, a high degree of public involvement and comparatively high levels of redistribution.The basically tax-based system, which was designed to constitute a basic safety net for all citizens from cradle to grav
ABSTRACT Oxidative stress, being the main cause of most of the human diseases, has always been the highlight of research worldwide.This stress can be overcome by administration of natural polyphenols.The Acacia catechu Willd.has many refrences available in Ayurveda as important disease curative plant.Its leaves are investigated for ameliorating oxi