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ค้นเจอ 331 รายการ

Rigid:

(english) An idealized concept meaning something which does not deform under loading. In fact, all objects deform under loading, but in modelling it can be useful to idealize very stiff objects as rigid.

Brale

(english) A diamond penetrator, conical in shape, used with a Rockwell hardness tester for hard metals.

Virion

(Environmental Engineering) A virus particle. Viral DNA or RNA enclosed in an organic capsule. See virus.

Adsorption Water

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

Test cases, derivation of

(Software Engineering) the creation of data that can be used to uncover errors in the software

Band Wareroom

(english) A storage area in Strip Steel used for storing hot bands (coil made from slab).

Strength:

(english) A very general term that may be applied to a material or a structure. In a material, strength refers to a level of stress at which there is a significant change in the state of the material, e.g., yielding or rupture. In a structure, strength refers to a level of level of loading which produces a significant change in the state of the structure, e.g., inelastic deformations, buckling, or collapse.

Sack

(Concrete Engineering) A quantity of cement: 94 Ibs. in the United States, 87.5 Ibs. in Canada, for portland or air entraining portland cement, or as indicated on the sack for other kinds of cement.

Pozzolan (ASTM C 618)

(Concrete Engineering) A siliceous, or siliceous and aluminous material, which in itself possesses little or no cementitious value but will, in a finely divided form, such as a powder or liquid and in the presence of moisture, chemically react with calcium hydroxide at ordinary temperatures to form permanent, insoluble compounds possessing cementitious properties.

Screen (or Sieve)

(Concrete Engineering) A metallic sheet or plate, woven wire cloth, or similar device, with regularly spaced openings of uniform size, mounted in a suitable frame or holder for use in separating material according to size.

Receiving water quality standards

(Environmental Engineering) Standards which require a discharger to maintain a certain quality level in the receiving water.

Abrasion-Resistant Steels

(english) A family of steel products developed for those applications involved in sliding and/or impact abrasion.

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