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In 1889, German scientists Elster and Gelthier discovered the existence of negative air ions. In ...
Ammonia (NH₃) is a colorless gas with a strong, pungent odor. It is both a critical industrial raw...
PID photoionization gas sensors offer significant advantages in detecting volatile organic compoun...
Home gas alarms are the first line of defense for household safety. Their core mission is to accur...
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