Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Van Cuong Dinh"'
Publikováno v:
Vietnam Journal of Science, Technology and Engineering, Vol 62, Iss 2 (2022)
Variable charge soils (VCS) predominantly contain minerals with variable surface charge density, such as kaolinite, gibbsite, goethite, hematite and amorphous minerals. The charge characteristics differ between profile horizons, the topsoil normally
Externí odkaz:
https://doaj.org/article/083e6437da934aac85fbba0761d218c4
Publikováno v:
Vietnam Journal of Science, Technology and Engineering. 62:65-70
Publikováno v:
Inżynieria Mineralna. 1
Vietnam's domestic coal production is growing fast and is expected to reach 68.9 million tonsin 2030, nearly 1.5 times higher than today. Open-pit mines will gradually reduce production and close,and underground mining coal output will increase progr