The synthetic methods of β-alanine are summarized briefly, and the application and market prospect are further analyzed.摘要介绍了β-氨基丙酸的合成方法，并对其应用及市场前景作了进一步的分析。
This review will outline the progress, technology, market prospect of stem cells and the troubles with wich stem cells a就干细胞的研究概况、研究技术、干细胞技术的市场前景以及干细胞研究面临的问题等作一概述。