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顯示由 31 到 40 的 323 結果
CFC (Chlorofluorocarbon)
CFC and HCFC refrigerants are detrimental to the breakdown of the ozone layer and the greenhouse effect.
Channel impeller
A channel impeller works directly on the pumped liquid with the liquid passing through the impeller itself.
Chilled beams
Passive and active chilled beams are used for cooling building air.
Chilled room
A chilled room is a refrigerated area for cold storage of perishable items, especially food, to preserve them.
A chiller is a component that is used to cool water.
Circuit breaker
A circuit breaker is a device that protects against overcurrent.
Cleaning pig
A cleaning pig is designed to facilitate the removal of sediments in a drain or sewer.
Climate change
Climate change refers to any change in the climate over time, whether due to natural variability or as a result of human activity.
CO2e is short for “carbon dioxide equivalents”.
COD (Chemical Oxygen Demand)
Chemical oxygen demand is a measure of the total quantity of oxygen required to oxidize all organic material (biologically available, inert organic matter) into carbon dioxide and water, and oxidisable inorganic matter.