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Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal ), and potassium nitrate (saltpeter). The sulfur and carbon act as fuels while the saltpeter is an oxidizer.
GUNPOWDER翻譯：火藥。了解更多。 You will find that the man who invented gunpowder was just as bad in his day as the man who invented poison gas.
gunpowder的 例句. gunpowder. Perhaps a charge of gunpowder would clear an area of the danger of flooding and waste simply by allowing the water to get through. 来自. Hansard archive. The accident occurred in the corning house, perhaps the most dangerous process in the manufacture of gunpowder. 来自.
Gunpowder is the first explosive to have been developed. Popularly listed as one of the "Four Great Inventions" of China, it was invented during the late Tang dynasty (9th century) while the earliest recorded chemical formula for gunpowder dates to the Song dynasty (11th century).
2024年3月29日 · Gunpowder, any of several low-explosive mixtures used as propelling charges in guns and as blasting agents. The first such explosive was black powder—a mixture of saltpeter (potassium nitrate), sulfur, and charcoal—which is thought to have originated in China, where it was being used in fireworks by the 10th century.
Before long, gunpowder was used for a great variety of purposes in China, including entertainment, medicine, engineering, and warfare. The Chinese had experimented with incendiary devices for military purposes since long before the discovery of gunpowder.
Gunpowder is one of the Four Great Inventions of pre-modern China. It was made with a mixture of saltpeter, sulfur, and charcoal, which was crushed into powder. Weapon smith-technicians of the early Northern Song dynasty (960–1127) exploited its blasting effect and produced the world’s earliest firearms.
Military technology - Gunpowder, Revolution, 1300-1650: Few inventions have had an impact on human affairs as dramatic and decisive as that of gunpowder. The development of a means of harnessing the energy released by a chemical reaction in order to drive a projectile against a target marked a watershed in the harnessing of energy to human needs.
2019年6月6日 · Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant. Gunpowder was invented by Chinese alchemists in the 9th century. Originally, it was made by mixing elemental sulfur, charcoal, and saltpeter ( potassium nitrate ).
2019年7月3日 · Items like paper, the magnetic compass, and silk have diffused around the world. None of those inventions, however, have had quite the impact that gunpowder has, for good and for bad. The invention of gunpowder by Tang Dynasty Chinese alchemists, around 850 A.D. led to military applications in China and eventually around the world.
