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จันทคราส
(Environmental Engineering) A U.S. EPA hazardous waste characteristic defined with a rigorous test procedure, the TCLP (for Toxicity Characteristic Leaching Procedure). In the procedure, a waste is extracted for 24 hours with an acetic acid solution. The acid extract is then analyzed for the presence of any of the contaminants listed in the procedure.
(english) The very subtle ridge on the edge of strip steel left by cutting operations such as slitting, trimming, shearing, or blanking. For example, as a steel processor trims the sides of the sheet steel parallel or cuts a sheet of steel into strips, its edges will bend with the direction of the cut.
(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.
(english) The inside radius of a bent section,
(Environmental Engineering) The middle layer of a lake.
(Software Engineering) the control of quality and change
(english) The large crank gear of a shaper.
(Environmental Engineering) The lower layer of a lake.
(Software Engineering) the specific approach to integration testing
(Environmental Engineering) The top layer of a lake.
(Software Engineering) a document that describes the design