technology of recovering gold from gold-bearing sulphate calcine
[198Au] Gold[198Au] Colloidal
[198Au] Gold[198Au] Colloidal
“Gold and silver”leg of pig
“Gold and silver”mushrooms
“gold triangle” economic zone
a gold mining area in Xiaoqinlin
a gold ore containing arsenic and high-sulfur
a quartz + kalifeldspath + silver(gold) assemblage
A valuable grape variety Gold Finger
absence of a gold standard
Absence of gold standard