Matrix assisted laser desorption ionization (MALDI) and electrospray ionization (ESI) MS has opened a new era in mass spectrometric analysis of biomolecules and synthetic polymer.
而 其他 孩子...正在? 树 林? 边 偷偷 抽? 烟 我 正 躲在 房子 后面ParaCrawl Corpus ParaCrawl Corpus