@danceloan8
hoạt động 2 năm. 3 tháng trước đây
In this article I have a look at why the wastewater treatment solution must get rid of nitrite sewage contamination:
Nitrites are the inorganic free-state from nitrogen. They are usually short lived being quickly changed into nitrates simply by bacteria. Nitrate should be discussed in terms of NO2 + NO3 since it is usually after […] Xem