Operation of economic zones

The thesis aims to clarify the legal basis and practical basis for implementing the laws on environmental protection in the activities of economic zones; thereby propose solutions to improve the legal regulations and improve the efficiency of the implementation of legal regulations on environmental protection in the operation of economic zones in Vietnam.

31p nguathienthan10 23-02-2021 31 4   Download

Quality of blast preparation for rock beneficiation influences both on integrity of mineral stock in particular and in economical performances of enterprise operations in general. While rock processing for obtaining of crushed stone the yield of screenings is high, its amounts depend on rock strength properties.

6p tohitohi 19-05-2020 12 1   Download