There is no way that you could irradiate a crystal of nickel with a single beam of x-rays and get that circular ring pattern if the electron beam were behaving as a particle beam only.
With brown, white fused alumina compared to high hardness, toughness, showed a singleparticle spherical crystal, has a good multi-row cutting edge, strong anti-crushing.
与棕,白刚玉相比硬度高,韧性大,呈单颗粒球状晶体,具有良好的多棱切削刃,抗破碎较强。
3
The fundamental particle is the very fine clay particle composed of singlecrystal, and is the basic unit of mixed layer clays formed by one or several kinds of silicates with the sheet structure.