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单词 Verneuil process
释义

Verneuil process

English

Etymology

Developed in 1902 by the French chemist Auguste Verneuil.

Noun

Verneuil process

  1. The first commercially successful method of manufacturing synthetic gemstones, involving the melting of a finely powdered substance using an oxyhydrogen flame and crystallising the melted droplets into a boule.

Synonyms

  • flame fusion
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