Sun Xiyan

Full-automatic quick water quality measuring system with hexavalent chromium

Full-automatic quick measurement system and method for water quality hexavalent chromium

Small-size sequential injection nitride analysis system

Small-scale analytical system for sequential injection of nitrite

Full-automatic online enrichment and analysis system for copper, zinc, chromium and cadmium ions

Pure digital photoelectric detection system and test method

Purely digitized photoelectrical detection system

Probe type on-line monitoring system and probe type on-line monitoring method for water petroleum pollutants

Probe-type on-line monitoring system for water body petroleum pollutant

Underwater observation robot for ecological remediation of ocean environment