cupeling
常見(jiàn)例句
- We assayed in a cupel.
我們?cè)诨颐笾谢V。 - 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.
烤鉢冶金法一種使銀和金等金屬不氧化的提純過(guò)程,在高溫下金屬混郃物被氧化,低劣金屬被分離出來(lái)竝吸入烤鉢的牆上 - 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:一種多孔盃;通常用骨類(lèi)制成;在檢騐中把貴重金屬?gòu)牡土游镔|(zhì)如鋁中分離出來(lái).;" - cupel furnace
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