
The DO meter is used to measure the dissolved oxygen in water in order to reflect its quality. Its principle needs cathode and anode electrodes and works on the concept of polarization. The flow of electrons from the anode to the cathode represents the measuring signal which is proportional to the partial pressure of oxygen in the measured culture of media.

V roku 2007 získali Nobelovu cenu za fyziológiu alebo medicínu Mario R. Capecchi (USA), Sir Martin E...
Čítať viac
Trh s farmaceutickymi a biologickymi liekmi ponuka siroku skalu pripravkov urcenych na liecbu mnohyc...
Čítať viac
S oteplovanim pocasia rastie aj riziko prisatia kliestov. Tieto drobne pavukovce prenasaju mnoho roz...
Čítať viac