acid ageing造句

• Normally , the polymerization of resorcinol ( r ) with formaldehyde ( f ) catalyzed by sodium carbonate results in the formation of dark red , transparent rf organic aerogels via a sol - gel process , acid aging process , and supercritical fluid drying or ambient pressure drying
  通常以间苯二酚和甲醛为原料，在碳酸钠催化作用下，经溶胶-凝胶过程、三氟乙酸老化、超临界干燥或常压干燥及高温炭化过程可得到炭气凝胶。