hafnium造句
1. Chemical form of hafnium is perchlorate or nitrate.
2. Why can you always have vexed thing hafnium?
3. Despite its cure for leakage power, adding hafnium creates headaches for the process integration engineer.
4. The tungsten and hafnium were analyzed by multi-elemental spectral lines average method and corrected by the matrix matching and background correction methods.
5. The field emission properties of hafnium coated carbon nanotubes ( CNTs ) were investigated.
6. Non hafnium superalloy DZ 4 , which is widely applied in service aero engines in present, is introduced.
7. The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper.
8. This activator is acyl amine - the hafnium activator that ether is a foundation.
9. And how is it known that Mars had hafnium - 187 ?