例句與造句

1. These patterns of labeled atoms and unlabeled atoms in one compound represent isotopomers.
2. NMR and MS detects isotopic differences, which allows information about the position of the labeled atoms in the products'structure to be determined.
3. Because the labeled atom has the same number of protons, it will behave in almost exactly the same way as its unlabeled counterpart and, with few exceptions, will not interfere with the reaction under investigation.
4. The absence of an isotope effect is more difficult to interpret : It may mean that the isotopically labeled atom is away from the reaction site, but it may also mean that there are certain compensating effects that lead to the lack of an observable kinetic isotope effect.
5. It's difficult to find labeled atom in a sentence. 用labeled atom造句挺難的