ค้นเจอ 559 รายการ

Mixed liquor suspended solids (MLSS)

แปลว่า(Environmental Engineering) The total suspended solids concentration in the activated sludge tank.

Phenol

แปลว่า(Environmental Engineering) An aromatic benzene ring with a hydroxyl substituted for one hydrogen.

Pretensioning

แปลว่า(Concrete Engineering) A method of prestressing reinforced concrete in which the steel is stressed before the concrete has hardened and restrained from gaining its unstressed position by bond to the concrete.

Change management

แปลว่า(Software Engineering) a set of software engineering actions that helps ensure that changes are properly identified, controlled, and reportedChange report

Non-evaporable Water

แปลว่า(Concrete Engineering) The water in concrete which is irremovable by oven drying; chemically combined during cement hydration.

Stucco

แปลว่า(Concrete Engineering) A portland cement mortar material that can be applied to the surface of any building or structure to form a hard and durable covering for the exterior wails or other exterior surfaces.

Total dissolved solids

แปลว่า(Environmental Engineering) (TDS) is the amount of dissolved matter in the water.

Catabolism

แปลว่า(Environmental Engineering) The production of energy by the degradation of organic compounds.

Mixing Speed

แปลว่า(Concrete Engineering) Rate of mixer drum rotation or that of the paddles in a pan, open-top, or trough type mixer, when mixing a batch; expressed in revolutions per minute (rpm) or in peripheral] feet per minute of A point on the circumference at maximum diameter.

Bacteria

แปลว่า(Environmental Engineering) One celled microorganisms which do not have a nuclear membrane.

Plastic

แปลว่า(Concrete Engineering) A condition of freshly mixed concrete. mortar or cement -paste indicating that it is workable and readily re-moldable, is cohesive, and has an ample content of fines and cement but is not over wet.

Chlorofluorocarbons

แปลว่า(Environmental Engineering) Synthetic organic compounds used for refrigerants, aerosol propellants (prohibited in the U.S.), and blowing agents in plastic foams. CFCs migrate to the upper atmosphere destroying ozone and increasing global warming. Typical atmospheric residence times are 50 to 200 years.