Base editing using CRISPR technologies is an invaluable tool for crop breeding.One of the major base edi-tors,the adenin......

在酸性条件下亚硝酸盐与对氨基苯磺酸重氮化后，再与盐酸萘乙二胺偶合形成颜色反应，建立了用比色法测定大白菜中亚硝酸盐的方法。观察......