| Terms for subject Environment (24128 entries) |
| carvão | coal (The natural, rocklike, brown to black derivative of forest-type plant material, usually accumulated in peat beds and progressively compressed and indurated until it is finally altered in to graphite-like material) | |
| carvão | charcoal | |
| carvão activado | activated carbon (A powdered, granular or pelleted form of amorphous carbon characterized by a very large surface area per unit volume because of an enormous number of fine pores) | |
| carvão ativado fora de uso | spent activated carbon | |
| carvão ativado usado (exceto a categoria 06 07 02) | spent activated carbon (except 06 07 02) | |
| carvão ativado usado proveniente do tratamento de gases | spent activated carbon from flue gas treatment | |
| carvão limpo | clean coal | |
| carvão vegetal | charcoal (A porous solid product containing 85-98% carbon and produced by heating carbonaceous materials such as cellulose, wood or peat at 500-600 C° in the absence of air) | |
| caráter atrativo | attractiveness | |
| carência | need (The fact or an instance of feeling the lack of something) | |
| carência | need | |
| carência bioquímica de oxigénio | biochemical oxygen demand (The amount of oxygen used for biochemical oxidation by a unit volume of water at a given temperature and for a given time. BOD is an index of the degree of organic pollution in water) | |
| carência bioquímica de oxigénio de cinco dias | five-day biochemical oxygen demand | |
| carência de energia | energy demand | |
| carência de oxigénio | oxygen deficiency (No definition needed) | |
| carência de oxigénio | lack of oxygen | |
| carência de oxigénio | oxygen deficiency | |
| carência química de oxigénio | chemical oxygen demand (The quantity of oxygen used in biological and non-biological oxidation of materials in water; a measure of water quality) | |
| carência química de oxigénio | chemical oxygen demand | |
| carência teórica de oxigénio | theoretical oxygen demand |