@dancequiet3
hoạt động 2 năm. 3 tháng trước đây
In the following paragraphs I examine why the wastewater treatment solution must get rid of nitrite wastewater contamination:
Nitrites are the inorganic free-state from nitrogen. They may be short lived staying quickly changed into nitrates by means of bacteria. Nitrate should be discussed in terms of NO2 + NO3 since it is normally after […] Xem