gel test

例句：

1. 1. The gel test results showed that the sample was not contaminated.
   凝胶试验结果显示样本未被污染。
2. 2.During the gel test, the sample was analyzed for its chemical composition.
   在凝胶试验中，对样本进行了化学成分分析。
3. 3.The gel test is a method used to determine the strength and consistency of a substance.
   凝胶试验是一种用于确定物质的强度和一致性的方法。