In nhãn s?n ph?m có r?t nhi?u ph??ng pháp ???c s? d?ng th?c t? trong ?ó in offset và in k? thu?t s? là ?ng d?ng ph? bi?n h?n. Sample preparation is a very very important stage in TEM and the method involved with planning the sample differs, according to the mother nature of the material and the data expected from it.Virtual - supplies a sim