Silica nanoparticles have been prepared from tetraethylorthosilicate dissolved in ethanol followed by base-catalyzed condensation. Earlier works reported that a
On August 19th,2008 CNPC Jilin Petrochemical Company(Jilin Petrochemical)started the production of its 100 000 t/a methyl methacrylate(MMA)expansion project.Wi
Qinghai Western Mining Science & Technology Company Ltd.(Western Mining,SH:601168) announced on September 3rd i’ plans to increase an investment for Yichang L
【正】 On September 23rd,Michelin Tire Safety Action came to Shandong province,com-menced tire safety training there with aims of guiding consumers to use and p