User talk:Thanhtrinhqc

July 2022
Hello, I'm Sumanuil. I wanted to let you know that one or more of your recent contributions&#32;to Time-of-flight mass spectrometry have been undone because they did not appear constructive. If you would like to experiment, please use your sandbox. If you have any questions, you can ask for assistance at the Teahouse or the Help desk. Thanks. Sumanuil. 03:37, 7 July 2022 (UTC)