chemical oxygen demand उदाहरण वाक्य

Organic matter loading ( contributed by plants and animals causing changes in the chemical oxygen demand ( COD, a measure of the amount of organic compounds in water ), Mn ( manganese ) ) in the lake is about 78.3 % during heavy rainfall season, from June to September.
Tianjin Climate Exchange has the following goals : to help enterprises cost-effectively reduce emissions of pollutants, such as sulfur dioxide, chemical oxygen demand, etc .; to help enterprises achieve maximum energy efficiency at minimum cost; to help enterprises manage environmental risks and meet increasing disclosure requirements; and to provide enterprises with integrated international emissions market access and experience.