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ค้นเจอ 395 รายการ

CRC (class-responsibility-collaborator) modeling

(Software Engineering) an object-oriented modeling method that identifies and organizes classes are are relevant to a system

Configuration status reporting (CSR)

(Software Engineering) an activity that help software developer to understand what changes have been made and why

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.

Brazing

(english) Joining metals by fusion of nonferrous alloys that have melting points above 800 F (425C), but lower than those of the metals being joined. May be accomplished by a torch. Filler metal is ordinarily in rod form in torch brazing; whereas in furnace and dip brazing the work material is first assembled and the filler metal may then be applied as wire, washers, clips, bands, or may be bonded, as in brazing sheet.

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.

Braze Welding

(english) A family of welding procedures where metals are joined by filler metal that has a melting temperature below the solidus of the parent metal, but above 840 (450 C).

Brass

(english) An alloy that is 70% copper,30% zinc. One of the most widely used of the copper-zinc alloys; malleable and ductile; excellent cold-working but poor hot-working and machining properties; excellent for soft-soldering; good for silver alloy brazing or oxyacetylene welding, but fair for resistance or carbon-arc welding. Used for drawn cartridges, tubes, eyelets machine items and snap fasteners.

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