Premier Graphene Inc., Affiliate HGI Industrial Technologies S.A. de P.I. de C.V., Advance ...

Premier Graphene Inc. (OTC: BIEI) (Premier) announced today that its Mexico-based affiliate, HGI Industrial Technologies S.A.
Scientific Research Publishing

Research on the Application of Nitrogen Removal Technology for Rural Sewage Based on ...

This experiment relies on MIT to explore the optimal operating conditions for embedded immobilized biological fillers under low temperatures, given the aforementioned characteristics of rural ...