2) Daim ntawv cog lus tsis pub lwm tus paub tuaj yeem kos npe
3) Xya hnub rov qab lav
Tseem ceeb tshaj: peb tuaj yeem muab tsis tau tsuas yog cov khoom lag luam, tab sis kev pabcuam kev daws teeb meem!
Yam khoom | Chemical Composition (%) | Particle Loj | |||||||||||||
B | Hf | P | S | Si | Fe | C | |||||||||
HfB 2 | 10.8 ib | Bal. | 0.03 ib | 0.002 ib | 0.09 ib | 0.20 ib | 0.01 ib | 325 mesh | |||||||
Hom | Epoch-Chem |