In this article, an overview of the application and the progress of molecular imprinting technique in steroid recog. 综述了分子印迹技术在甾类分子识别和分析中的应用及取得的进展。
Three types of perforation structure were recog-nized in these species. 根据穿孔板的结构可分为三种型式:(1)单穿孔板,这类穿孔板较普遍存在。
Defects in welds are classified by using numerical characteristic values of statistical distribution and "Fisher linear discrimination method" for pattern recog- 用统计分布的数字特征值和图象识别中Fisher线性识别方法区分焊缝中的各类缺陷。