Device for collecting air sporopollen in arid and semi-arid areas

The invention discloses a device for collecting air sporopollen in arid and semi-arid areas. The device is characterized in that a stainless steel ring is embedded in a stainless steel cylinder and an upper opening of a funnel, the stainless steel ring is fastened with the upper opening of the funne...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIANG MINGXING, MIAO YUNFA, ZHAO AIGUO, YAN HONGJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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