Warshada daawaynta bulaacadaha ee degmada Chengdu Pujiang waxaa la dhisay 2018, warshaduna waxay qaadatay hab daawaynta oksaydhka oo aad u horumarsan.Godka oksaydhka ee geedka, koofiyadda hore ee fluorescent ee Hash II ee laga keeno Maraykanka ayaa markii hore la isticmaalay.Si kastaba ha ahaatee, waxaa laga helay isbarbardhigga dhabta ah ee goobta in natiijooyinka cabbiraadda mitirka oksijiinta ee kala diri ee fluorescence ay asal ahaan la mid yihiin kuwa Hash.Hadda habkayaga fluorescence mitirka oksijiinta ee milmay ayaa si guul leh loogu geliyey warshadda bullaacadaha.
