The yellowish color of raw silk almost completely disappears after the refining process.
No bleaching agent is added at any time during the refining process.
Oil refining process consists of more phases.
The treated product may be further directed to any refining process.
A lengthy refining process is needed to turn this ore into usable aluminum.
The refining process improved the quality of the gold significantly after extraction.
The properties of the paper are directly related to the refining process.
Les propriétés du papier sont directement liées au processus de raffinage.
Achieving purity in materials is often possible through the zone refining process.
Obtenir la pureté des matériaux est souvent possible grâce au processus de raffinage en zone.
After this step, the metals are sent to the metallurgical refining process.
Après cette étape, les métaux sont envoyés au processus de raffinage métallurgique.
It is said that refining process can reduce toxicity.
Le processus de raffinage est capable de réduire la toxicité.
Fuels used often include by-products of the refining process.
Les combustibles utilisés comprennent souvent des dérivés issus des processus de raffinage.
These are formed unavoidably during the refining process.
Ces gras se forment inévitablement durant le processus de raffinage des huiles.
Later, the refining process takes place.
Plus tard, le processus de raffinage a lieu.