cupel是什么意思

cupel

美['kjuːpəl]  英['kjuːpəl]
n.  骨灰所制的坩锅；试金用灰皿
v.  用灰皿提炼
  名词：cupeller  过去式：cupeled/cupelled  过去分词：cupeled/cupelled  现在分词：cupeling/cupelling  第三人称单数：cupels/cupels

英英释义

Noun
  1. a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead

例句

  1. We assayed in a cupel. 我们在灰皿中化验。
  2. 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
  3. SILVER CORRECTION BY USING MAGNESIUM SAND CUPEL IN PYRO- ASSAYING 火试金中使用镁砂灰皿银的补正初探
  4. Keywords Pyro-assaying Magnesium sand cupel Correction cofficient of Silver.; 火试金;镁砂灰皿;银补正系数;
  5. "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.;"
  6. cupel furnace 灰吹炉,提银炉
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