ค้นเจอ 179 รายการ

Nitrogen fixation

แปลว่า(Environmental Engineering) The conversion of atmospheric (or dissolved) nitrogen gas into nitrate by microorganisms.

Covalent bond

แปลว่า(Environmental Engineering) A bond in which electrons are shared approximately equally by two atoms.

Mass:

แปลว่า(english) A property of an object measured by the degree that it resists acceleration.

Portland Cement (ASTM C 150)

แปลว่า(Concrete Engineering) The product obtained by pulverizing clinker consisting essentially of hydraulic calcium silicates.

Ottawa Sand

แปลว่า(Concrete Engineering) A sand used as a standard in testing hydraulic cements by means of mortar test specimens. Sand is produced by processing silica rock particles obtained by hydraulic mining of the orthoquartzite situated in open-pit deposits near Ottawa, Illinois; naturally rounded grains of nearly pure quartz.

Burn

แปลว่า(english) 1) Process of cutting metal by a stream of fuel and oxygen, 2) to permanently damage a metal or alloy by heating to cause either incipient melting or intergranular oxidation.

Plane of Weakness

แปลว่า(Concrete Engineering) The plane along which a structure under stress will tend to fracture; may exist because of the nature of the structure and its loading, by accident, or by design.

Blue Print

แปลว่า(english) A pen or ink line drawing reproduced (printed) on sensitized paper by direct exposure.

Butt Welding

แปลว่า(english) Joining two edges or ends by placing one against the other and welding them.

Bi-Coil

แปลว่า(english) Also BY-COIL. Tin Mill term. Customers buy "by coil" or "bi-coil" rather than cut sheets

Adsorption Water

แปลว่า(Concrete Engineering) Water held on surfaces in a material by either physical and/or chemical forces.

Bench Work

แปลว่า(english) Work done primarily at a bench with hand tools. Occasionlly suplemented by small power-driven tools.

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