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Statistical quality assurance

(Software Engineering) techniques for process improvement that are based on measurements of the product and the process

Strain:

(english) The intensity of deformation at a point in an object. See normal strain and shear strain.

Estimation

(Software Engineering) a project planning activity that attempts to project effort and cost for a software project

Fixed support:

(english) In two dimensions, a fixed support restrains three degrees of freedom: two translations and one rotation.

Eucaryotic organisms

(Environmental Engineering) Organisms which possess a nuclear membrane. This includes all known organisms except viruses and bacteria.

Bars

(english) A relatively long straight, rigid piece pf metal; long steel products rolled from billets into such shapes as squares,rectangles, rounds,angles,channels,hexagons,and tees. In steel, “merchant bars” include rounds,flats,angles,squares,and channels that are used by fabricators to manufacture a wide variety of products such as furniture,stair railings and farm equipment. Concrete reinforcing bar (rebar) is used to strengthen concrete in highways,bridges and buildings.

Rock Pocket

(Concrete Engineering) Area or portion of hardened concrete which is deficient in mortar and consisting primarily of coarse aggregate and open voids; caused by insufficient consolidation or separation during placement, or both; by leakage from form.

Blast Furnace 2

(english) A vertical shaft type smelting furnace in which an air blast is used, usually hot, for producing pih iron. The furnace is continuous in operation using iron ore, coke, and limestone as raw materials which are charged at the top while the molten iron and slag are collected at the bottom and are tapped out at intervals.

Break Test (for tempered steel)

(english) A method of testing hardened and tempered high carbon spring steel strip wherein the specimen is held and bent across the grain in a vice-like calibrated testing machine. Pressure is applied until the metal fractures at which point a reading is taken and compared with a standard chart of brake limitations for various thickness ranges.

Bedding

(english) Sinking a pattern down into the sand to the desired position and ramming the sand around it.

Wastewater

(Environmental Engineering) Consumed or used water from a municipality or industry that contains dissolved and/or suspended matter.

Metabolism

(Environmental Engineering) The processes which sustain an organism, including energy production, synthesis of proteins for repair and replication.

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