acetylene reduction assay

例句：

1. 1. The acetylene reduction assay is a common method used to determine the presence of hydrogen sulfide in water samples.
   乙炔还原法是一种常用的方法，用于确定水样中硫化氢的存在。
2. 2. In this assay, the sample is exposed to acetylene gas, which reacts with the sample to produce acolor change.
   在这个测定中，样品暴露在乙炔气体中，该气体与样品反应产生颜色变化。
3. 3. The results of the acetylene reduction assay can provide valuable information for environmental monitoring and pollution control.
   乙炔还原法测定的结果可以为环境监测和污染控制提供有价值的信息。