例句與造句

1. According to the exact masses and corresponding elemental compositions of molecular ion and eight characteristic ions , a possible fragmentation pathway of the ferulic acid molecule was proposed , by which the molecular structure was confirmed
   根據(jù)質譜提供的分子離子和8個特征碎片離子的精確質量和相應的元素組成，提出了阿魏酸分子的裂解途徑，結合譜圖檢索，從而確認該分子的結構。
2. It's difficult to find fragmentation pathway in a sentence. 用fragmentation pathway造句挺難的