ผลการค้นหา

Landfill

แปลว่า(Environmental Engineering) A legal and controlled area for the placement of wastes into the ground.

Phenol

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

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.

Abrasive Wheels

แปลว่า(english) Wheels of a hard abrasive, such as Carborundum used for grinding.

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.

Burning 2

แปลว่า(english) Heating a metal beyond the temperature limits allowable for the desired heat treatment, or beyond the point where serious oxidation or other detrimental action begins.

Acid-Process

แปลว่า(english) A process of making steel, either Bessemer, open-hearth or electric, in which the furnace is lined with a siliceous refractory and for which low phosphorus pig iron is required as this element is not removed.

Zn

แปลว่า(english) Chemical symbol for Zinc

Bright Basic Wire

แปลว่า(english) Bright steel wire, slightly softer than Bright Bessemer Wire. Used for round head wood screws, bolts and rivets, electric welded chain, etc.

Photoautotrophic

แปลว่า(Environmental Engineering) Organisms which utilize inorganic carbon dioxide for protoplasm synthesis and light for an energy source. See autotrophic and chemoautotrophic.

Calcine

แปลว่า(Concrete Engineering) To alter composition or physical state by heating to a specific temperature for a specific length of time.

backing for arches

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