Ukuhlaziywa kwemakethe yakamuva ye-tungsten yaseChina
Izintengo ze-ferro tungsten ne-tungsten ammonium paratungstate(APT) e-China azishintshile kusukela osukwini lwangaphambilini lokuhweba ikakhulukazi ngenxa yokungavimbeli ukuhlinzekwa nokufunwa, kanye nomsebenzi ophansi wokuhweba emakethe.
Emakethe yokugxilisa i-tungsten, imiphumela yokuhlolwa kokuvikelwa kwemvelo, ukuncishiswa kokuphumayo kanye nezindleko ezincishisiwe azikwazi ukukhuphula ngokunenzuzo isidingo sokugcwaliswa kabusha komfula. Abavukuzi bazogcina izithembiso eziqinile esikhundleni sokwehlisa izintengo zokuthengisa okwengeziwe. Kubakhiqizi be-APT, babhekana nezingozi zokuguqulwa kwentengo, isidingo esibuthakathaka, uhlu lwempahla ephezulu kanye nokushoda kwemali. Futhi ngokwehla okuqhubekayo kwezintengo zentengiselwano kanye nokusetshenziswa kwezimpahla zamabhizinisi, amafekthri ancibilikisayo manje awanakho ukuhlakanipha okukhulu ukucaphuna ngesimo sengqondo esinzima sokulinda nokubona.
Isikhathi sokuthumela: Jul-19-2019