例句與造句

1. Most reactor designs use the naturally occurring mix of lithium isotopes.
2. In a lithium isotope ( ?7Li ), it made the nucleus 19 % smaller.
3. The Castle Bravo test showed that unenriched Lithium isotope 7 functioned as well for nuclear fusion reactions as isotope 6.
4. Particularly significant was his work with the lithium nucleus, in which he separated the two lithium isotopes by electromagnetic means.
5. The process known as laser isotope separation can be used to separate lithium isotopes, in particular 7 Li from 6 Li.
6. It's difficult to find lithium isotopes in a sentence. 用lithium isotopes造句挺難的
7. Lithium isotopes fractionate substantially during a wide variety of natural processes, including mineral formation ( chemical precipitation ), metabolism, and ion exchange.
8. He received his Ph . D . from the University of Illinois in 1937; his thesis was on the mass ratio of lithium isotopes.
9. The fusion fuel used by the bomb was 95 % enriched Lithium isotope 6 lithium deuteride, which at the time was a scarce resource and chiefly responsible for its limited deployment.
10. The latest was in August, when 350 grams of low-grade plutonium and a small amount of a lithium isotope that is a key ingredient in some hydrogen bombs were found.
11. This has led to unusual uncertainty in the standardized atomic weight of lithium, since this quantity depends on the natural abundance ratios of these naturally-occurring stable lithium isotopes, as they are available in commercial lithium mineral sources.
12. One section of the table of contents is called " enrichment by gaseous diffusion and gaseous centrifuge "; another is a 30-page section on " isotope separation by laser, " followed by " enrichment of lithium isotopes ."
13. One section of the table of contents released Monday is called " enrichment by gaseous diffusion and gaseous centrifuge "; another is a 30-page section on " isotope separation by laser, " followed by " enrichment of lithium isotopes ."