Siyou Chen, Naiquan Liu, Benguang Gu, et al. γ-ray nondestructive testing on big petroleum diamond drill bits by using a 25 MeV betatron[J]. Nuclear techniques, 1984, 07(6): 35-37,66.
Siyou Chen, Naiquan Liu, Benguang Gu, et al. γ-ray nondestructive testing on big petroleum diamond drill bits by using a 25 MeV betatron[J]. Nuclear techniques, 1984, 07(6): 35-37,66.DOI: