ผลการค้นหา

ค้นเจอ 212 รายการ

Project size

(Software Engineering) an indication of the overall effort to be expended or the number of people working on the project

Acme Thread

(english) A screw thread having a 29 degree included angel. Used largely for feed and adjusting screws on machine tools.

Effluent based standards

(Environmental Engineering) Standards which set concentration or mass per time limits on the effluent being discharged to a receiving water.

Kelly Ball

(Concrete Engineering) A device for determining the consistency of fresh concrete. It is sometimes used as an alternative to the slump test.

Ball Piston Pumps

(english) The Ball Piston Pump is a very simple pump design. It has a rotor which revolves around an internal stator. The rotor has twelve cylinders machined out of it, and each cylinder has a ball inside which can slide in and out of the cylinder.

Virus

(Environmental Engineering) A submicroscopic genetic constituent which can alternate between two distinct phases. As a virus particle, or virion, it is DNA or RNA enveloped in an organic capsule. As an intracellular virus, it is viral DNA or RNA inserted into the host organisms DNA or RNA.

Change control

(Software Engineering) an umbrella process that enables a project team to accept, evaluate, and act on changes in a systematic manner

Burnt Rubber

(english) Small or large black spots that generally show up on surface and are generally caused by pickling steel too hot.

Acetyl Tributyl Citrate

(english) One of the lubricating oils generally applied on tin Mill Products (tin plate, TFS-chrome/chrome oxide coated steel, and blackplate).

Black Oil Tempered Spring Steel Strip (Scaleless Blue)

(english) A flat cold rolled usually .70/.80 medium high carbon steel strip, blue-black in color, which has been quenched in oil and drawn to desired hardness. While it looks and acts much like blue tempered spring steel and carries a Rockwell hardness of C44/47, it has not been polished and is lower in carbon content. Used for less exacting requirements than clock spring steel, such as snaps, lock springs, hold down springs, trap springs, etc. It will take a more severe bend before fracture than will clock spring, but it does not have the same degree of spring-back.

Brite

(english) 1) Regular galvanize coating (not minimized spangle or JP). 2) Rolls that have no grit; smooth finish on surface of steel.

Landfilling

(Environmental Engineering) The placement of wastes into the land under controlled conditions to minimize their migration or effect on the surrounding environment.

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