titanium isotopes造句
例句與造句
- The isotopes of scandium range in atomic weight from 36 calcium isotopes and the primary products from higher atomic weights are titanium isotopes.
- The primary decay products at atomic weights below 45 Sc are calcium isotopes and the primary products from higher atomic weights are titanium isotopes.
- Also, the Moon's titanium isotope ratio ( 50 Ti / 47 Ti ) appears so close to the Earth's ( within 4 ppm ) that little if any of the colliding body's mass could likely have been part of the Moon.
- The calcium in some presolar grains is composed primarily of Ca-44, which is presumably the remains of the extinct radionuclide Ti-44, a titanium isotope which is formed in abundance in Type II supernovae such as SN 1987A after rapid capture of eight alpha particles by Si-28, after the process of silicon burning normally begins, and prior to the supernova explosion.
- It's difficult to find titanium isotopes in a sentence. 用titanium isotopes造句挺難的