常見例句We assayed in a cupel. 我們?cè)诨颐笾谢?yàn)。A refining process for nonoxidizing metals, such as silver and gold, in which a metallic mixture is oxidized at high temperatures and base metals are separated by absorption into the walls of a cupel. 烤缽冶金法一種使銀和金等金屬不氧化的提純過程,在高溫下金屬混合物被氧化,低劣金屬被分離出來并吸入烤缽的墻上SILVER CORRECTION BY USING MAGNESIUM SAND CUPEL IN PYRO- ASSAYING 火試金中使用鎂砂灰皿銀的補(bǔ)正初探Keywords Pyro-assaying Magnesium sand cupel Correction cofficient of Silver.; 火試金;鎂砂灰皿;銀補(bǔ)正系數(shù);"Cupel:a porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead." "灰皿:一種多孔杯;通常用骨類制成;在檢驗(yàn)中把貴重金屬?gòu)牡土游镔|(zhì)如鋁中分離出來.;"cupel furnace 灰吹爐,提銀爐 返回 cupeled