Verneuil process
Synonym of actagardine
In a colorless manner.
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.
A curved masonry wall characteristic of the Ancestral Puebloan road network.
その宝飾職人は、酸素水素炎で微粉末を溶かし溶滴をブールとして結晶化させることによって人工宝石を製造する最初の商業的成功法（ヴェルヌイユ法）を実演し、人工宝石が簡単で費用対効果の高い方法で育成できることを示した。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
