Cases

The water body is the living environment of fish, and its pH is the main indicator of fish

Dissolved oxygen (DO) refers to the content of oxygen dissolved in water (mg/L). The content of oxygen dissolved

Cyanobacteria, also known as “cyanobacteria”, are photoautotrophic prokaryotes widely distributed in water bodies around the world. They are

With the improvement of the breeding level and the increase of breeding density, the nitrogen-containing organic matter such

With the prosperity of the economy in recent years, sea transportation is also indispensable. As the frequency of