例句與造句

1. :: : : : But you would be able to do Electron annihilation spectroscopy.
2. A design proposed in the 1950s by Eugen S鋘ger used positron-electron annihilation to produce gamma rays.
3. where the f operator corresponds to the annihilation operator of an impurity, and c corresponds to a conduction electron annihilation operator, and \ sigma labels the spin.
4. He has produced several well-regarded papers on the problem of positron-electron annihilation in the milky-way galaxy, a still-open problem in high-energy astrophysics.
5. Jeans and others defended the Kelvin Helmholtz mechanism, which was based on classical mechanics, while Eddington speculated broadly about the qualitative and quantitative consequences of possible proton-electron annihilation and nuclear fusion processes.
6. It's difficult to find electron annihilation in a sentence. 用electron annihilation造句挺難的
7. S鋘ger was unable to solve the problem of how to reflect, and collimate the gamma rays created by positron-electron annihilation; however, by shielding the reactions ( or other annihilations ) and absorbing their energy, a similar blackbody propulsion system could be created.
8. His research interests range from gamma-ray astrophysics, such as positron-electron annihilation, nuclear gamma-ray lines, and gamma-ray bursts, to Islamic astronomy, i . e . crescent visibility, Islamic calendar, and prayer times at high latitudes, problems that have yet to be fully resolved.