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French Development Agency/ Agence Française du Développement
African Development Bank
Agriculture, Forest and Other Land Uses
automatic generation control
Modeling a generator as an equivalent generator having the size of the total installed capacity of several individual generators.
air changes per hour
The number of times that the inside air of a building is replaced in one hour.
The mass per unit volume of air.
A device which releases air, but not fluid, out of a system
The diffuse reflectivity or reflecting power of a surface. It is defined as the ratio of reflected radiation from the surface to incident radiation upon it.
A soluble salt obtained from the ashes of plants and consisting largely of potassium, sodium carbonate, calcium or ammonia.
An electric current that reverses direction periodically.
An electromechanical device that converts mechanical energy to electrical energy in the form of alternating current.
An ammeter is a measuring instrument used to measure the electric current in a circuit.
A gaseous compound of hydrogen and nitrogen, NH3, with a pungent smell and taste.
Ion NH4+ derived from ammonia by combination with a hydrogen ion and known in compounds (as salts) that resemble in properties the compounds of the alkali metals.
Reduction of capital or up–front expenses (capitalized) over time, often with an equal amount per annum.
Micro-organisms that live and reproduce in an environment containing no 'free' or dissolved oxygen. Used for anaerobic digestion.
Microbiological process of decomposition of organic matter, in the complete absence of oxygen, carried out by the concerted action of a wide range of micro-organisms. AD is common to many natural environments and is applied to produce biogas in airproof reactor tanks, commonly named digesters. (Syn. digestion, fermentation)