查询词典 cupel

"Cupel:a porous cup, often made of bone ash, used in assay ing to separate precious metals from base elements such as lead."

"灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。"

"Cupel:a porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead."

"灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。"

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.

烤钵冶金法一种使银和金等金属不氧化的提纯过程，在高温下金属混合物被氧化，低劣金属被分离出来并吸入烤钵的墙上

Cupel:To assay or separate from base metals in a cupel.

"灰吹，用灰皿提炼：在灰皿中检验或把…从低劣物质中分离出来。"

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。