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Environment
Issues related to the circumstances or condition of the earth's natural surroundings.
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Environment > Pollution 
fouling
Environment; Pollution
Fouling is the accumulation of unwanted material on solid surfaces to the detriment of function. The fouling material can consist of either living organisms (biofouling) or a ...
food to microorganism ratio (F/M)
Environment; Pollution
The F/M ratio is a process control number that helps you to determine the proper number of microorganisms for your system....The term Food to Microorganism Ratio (F/M) is actually ...
volatile organic compounds (VOCs)
Environment; Pollution
Volatile organic compounds (VOCs) are organic chemicals that have a high vapor pressure at ordinary room temperature. Their high vapor pressure results from a low boiling point, ...
Moody diagram
Environment; Pollution
The Moody chart or Moody diagram is a graph in non-dimensional form that relates the Darcy-Weisbach friction factor, Reynolds number and relative roughness for fully developed ...
Darcy-Weisbach friction factor
Environment; Pollution
The Darcy–Weisbach equation contains a dimensionless friction factor, known as the Darcy friction factor. This is also called the Darcy–Weisbach friction factor or Moody friction ...
pH
Environment; Pollution
A measure of the acidity or basicity of an aqueous solution. Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline. ...
Imhoff tank
Environment; Pollution
The Imhoff tank, named for German engineer Karl Imhoff (1876–1965), is a chamber suitable for the reception and processing of sewage. It may be used for the clarification of ...
Sub-categories
- Biodiversity (2834)
- Environment statistics (18270)
- Environmental conservation (14127)
- Environmental policy (4979)
- Filter (86)
- Land preservation (469)
- Pollution (2318)
- Radiation hazards (3625)
- Waste management (1217)