Feulgen procedure

例句：

1. 1. The Feulgen procedure is used to stain DNA in a laboratory setting.
   费尔曼染色法用于实验室中对DNA进行染色。
2. 2. This method is commonly used for detecting mutations in genetic material.
   这种方法常用于检测遗传物质中的突变。
3. 3.In the Feulgen procedure, the sample is treated with a solution that reacts specifically with the nucleic acids.
   在费尔曼程序中，样品会被处理以与核酸特异反应的溶液。