Management tactics range from using bonecharcoal to soak up the carcinogen and then dispose of it as toxic waste to chemically transforming hexavalent chromium to a more benign form.
They also found ochre, bone, charcoal, grindstones and hammer stones.
他们还发现了赭石、骨头、木炭、研磨石和石锤。
3
We adopted firstly the dextran coated charcoal(DCC) and SP methods to detect estrogen receptor(ER) expression of bone tissue in ovariectomized(OVX) rats.