Accelerating agent is to point to the admixture that can make concrete condenses quickly after concrete hardening. Early strength agent refers to the admixture which can improve the early strength of concrete and has no significant effect on the lat…
According to British media reports, researchers have recently developed a smart contact lens that enables the wearer to have "infrared night vision". Sandwiching graphene between the lenses allowed the construction of a sensor with the abil...…
What is crystalline graphite powder？ Graphite powder is a kind of mineral powder. The main component is carbon single quality, and the quality is soft, black, and gray; have a greasy feeling, and can p…