The article mainly researching content including: ( 1) By optimizing the heat preservation materials compounding of the biscuit firing and sintering furnace, the heat conduction and preservation characteristics are improved. Firing of Shipboard SPG 通过优化素烧和烧成窑中的保温料配方,改善保温料的导热和保温性能,扩大并均匀温场,以提高成品率、扩大产量。船(舰)载炮远距离直瞄射击研究