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ค้นเจอ 136 รายการ

Batch Oven

(english) Oven use to bake a number of cores at one time.

Fixed solids

(Environmental Engineering) (FS) are the solids that do not volatilize at 550°C.

Burn-Out

(english) Firing a mold at a high temperature to remove pattern material residue.

Temper

(Concrete Engineering) The addition of water to the cement mix whether at the batch plant, during transit or at the jobsite to achieve the specified water to cement ratio.

Moist Room

(Concrete Engineering) A room used for storing and curing cementitious test specimens. The atmosphere of this room is maintained at a temperature of 73.4 3.0'F or 23.0*1.7'0 and relative humidity of at least 98 percent. These facilities must be adequate to continually maintain free moisture on the exteriors of test specimens.

Gravity:

(english) An attractive force between two objects; each object accelerates at a rate equal to the attractive force divided by the object's mass. Objects near the surface of the earth tend to accelerate toward the earth's center at a rate of ; this value is often called the gravitational constant and denoted as g.

Thermocline

(Environmental Engineering) The depth at which an inflection point occurs in a lake temperature profile.

Aldehyde

(Environmental Engineering) An organic compound with a carbonyl at one end of a hydrocarbon group.

Bridle Unit

(english) A three-roll cluster used to control line tension at strategic locations on the line.

Accm

(english) In hypereutectoid steel, the temperature at which cementite goes into complete solution with austenite.

Bander

(english) Machine located at each delivery reel to automatically place circumference bands around completed coils.

Troposphere

(Environmental Engineering) The lower atmosphere, from the earth's surface to approximately 12 km. This portion of the earth's atmosphere contains about 95 percent of the atmospheric gases. The temperature gradually declines through this region.

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