pyroboric acid pyrocatechol pyroceramic pyrochemistry pyrochlore pyrochroite pyroconductivity pyroelectric effect pyroelectricity pyrogallic acid pyrogenic distillation pyroligneous acid pyrolitic breakdown pyrolusite pyrolysis pyrolytic pyromagnetism pyrometallurgic pyrometallurgical pyrometallurgy |
pyroboric acid хим. пироборна киселина Търсената дума е намерена |