alcali-free

См. также в других словарях:

• Arabic influence on the Spanish language — has been significant, due to the Islamic presence in the Iberian peninsula between 711 and 1492 A.D. (see Al Andalus). Modern day Spanish language (also called castellano in Spanish) first appeared in the small Christian Kingdom of Castile in… …   Wikipedia

• Geochemistry — The field of geochemistry involves study of the chemical composition of the Earth and other planets, chemical processes and reactions that govern the composition of rocks and soils, and the cycles of matter and energy that transport the Earth s… …   Wikipedia

• Pont — Pour les articles homonymes, voir Pont (homonymie) …   Wikipédia en Français

• Psoralène — Général Nom IUPAC 7H furo[3,2 g]chromèn 7 one ou 7H furo[3,2 g]benzopyran 7 one No CAS …   Wikipédia en Français