【正】 Chlorfluazuron is a new insecticide withhigh effectiveness,low toxicity,low residueand environmental friendliness.It ismainly used to control pests in ve
【正】 Low-carbon economy is proposed mainly toaddress the climate change issue. Artificialemissions of carbon dioxide and other greenhousegases have caused glo
【正】 In January 2009, Dow Chemical, US and SudChemie, Germany reached an agreement tojoint their efforts in developing a syn-gas toolefins process. The key po