# Qualitative and quantitative recognition method of drug-producing chemicals based on SnO2 gas sensor with dynamic measurement and PCA weak separation

> Research article (Sensors and Actuators B Chemical, 2021) · cited 130× · AI/ML

**Wikidata**: [openalex:W3198298769](https://www.wikidata.org/wiki/openalex:W3198298769)  
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