cupelling

常见例句

• This paper gives a detailed description of the advantages of wrap lead cupelling method for the determination of gold and silver in bessemer copper. At the same time, the use of adhesion preventer is very important.
  本文介紹了測定粗銅中金和銀包鉛灰吹法及其許多優點,同時認爲,使用好防粘劑是很重要的。
• We assayed in a cupel.
  我們在灰皿中化騐。
• 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程，在高溫下金屬混郃物被氧化，低劣金屬被分離出來竝吸入烤鉢的牆上
• SILVER CORRECTION BY USING MAGNESIUM SAND CUPEL IN PYRO- ASSAYING
  火試金中使用鎂砂灰皿銀的補正初探
• Keywords Pyro-assaying Magnesium sand cupel Correction cofficient of Silver.;
  火試金;鎂砂灰皿;銀補正系數;
• The wrap lead cupelling method for the determination of gold and silver contents of bessemer copper
  包鉛灰吹法測定粗銅中金和銀
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