dr hua guo leading research into coal mining

    Find and share research,  · 1 Coal Mining National Engineering Technology Research Institute, Huainan, Anhui, 232001, China 2 School of Civil Engi neering and Ar chitecture, Anhui University of Scienc e andFluoride Action Network | Fluoride & IQ: 67 Studies,  · As of May 2020, a total of 75 studies have investigated the relationship between fluoride and human intelligence. Of these investigations, 67 studies have found that elevated fluoride exposure is associated with reduced IQ in humans, while over 60 animal studies have found that fluoride exposure impairs the learning and/or memory capacity of animals.Electricity sector in China,  · China's electric power industry is the world's largest electricity producer, passing the United States in 2011 after rapid growth since the early 1990s. Most of the electricity in China comes from coal, which accounted for 66% of the electricity generation mix in 2016.[2] Coal-fired electricity production declined from 2013 to 2016 coinciding ...