Aim.Copper-nickel deposits are located all over the world.A large amount of nonmetalliferous raw materials is formed, when they are developed.It moves into dumps and creates environmental risks for the environment.In the dumps magnesium-containing rocks prevail, which must be disposed of.The purpose of the work is to study the possibility of their
Introduction: This study aimed to explore the trend and main influencing factors of road traffic accidents in Guangzhou, China, from 2007 to 2020 and to provide a reference and guidance for government decision-making.Methods: A retrospective cohort study was used to describe road traffic accidents in Guangzhou.According to the population types, all
The Romans of republican times have traditionally been viewd as a rational and practical people for whom religion was of no real RAW CACAO BUTTER significance.In that view the elaborate Roman system for dealing with prodigies poses a problem, for why should something so apparently irrational and irreligious be invested with such a great amount of p