火器的应用到了从北宋时期开始的冷热兵器并用时代,汉家王朝在技术装备上的优势再次呈扩大趋势,并在相当长一段时间内保障了其统治的稳定性。中国是发明火药最早的国家,早在西汉时期就将火药的主要成分硝、磺应用于医药。后来,经过炼丹家们在实践中不断总结经验,到隋唐时已经有了火药制作方法的明确记载。到公元10世纪初,火药开始应用于军事领域。宋 The application of firearms to the era of cold and hot weapons from the Northern Song Dynasty began. The advantage of the Han dynasty in technical equipment once again showed an upward trend, and the stability of its dominance was guaranteed for a long period of time. China was the earliest country that invented gunpowder. As early as the Western Han Dynasty, the main component of gunpowder nitrate and sulphate was applied to medicine. Later, after alchemists continued to sum up their experiences in practice, they had a clear record of the method of making gunpowder by the time of the Sui and Tang Dynasties. By the early 10th century, gunpowder began to be used in the military field. Song