权威例句
Pyrotechny: A Romance After The FrenchA Manual of PyrotechnyExplosive affinities: pyrotechny, knowledge, and the sciences in early modern EuropeA system of pyrotechny, comprehending the theory and practice, with the application of chemistry : ... adapted to the military and n...The Early Use of Potassium Chlorate in Pyrotechny: Dr. Moritz Meyer's Colored Flame CompositionsPyrotechny: A Practical Manual for Manufacturers of Fireworks, Signals, Flares and Pyrotechnic Displays (Weingart, George W.)Weingart, George W. Pyrotechny. New York: Chemical Publishing Company, 1939. 178 p. $5.00Time fuse elementIgniting Early Modern Science through PyrotechnicsAutomation in analytical chemistry—from rule of thumb to fully automatedmethods. Some philosophies and socialconsequences