Ọkachamara graphite ihe sobu, graphite maka EV, griiz, oven na ụlọ ọrụ ndị ọzọ.

graphite nwere ike ịgbasa: a new type of lightweight and high-performance material
(graphite nwere ike ịgbasa: a new type of lightweight and high-performance material) Expandable graphite was first discovered by German Schaufautl. N'ime 1841, Schaufautl soaked natural graphite in a mixture of concentrated HNO3 and H2SO4 and, after a…


























































































