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by water* *by water *by water*
คำศัพท์ช่างภาษาอังกฤษ - ไทยคำศัพท์/สำนวน ทั้งหมดบทความ
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คำศัพท์ช่างภาษาอังกฤษ - ไทยที่เกี่ยวข้องกับ "by water"

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Bench Work

(english) Work done primarily at a bench with hand tools. Occasionlly suplemented by small power-driven tools.

Chemical oxygen demand (COD)

(Environmental Engineering) The amount of oxygen required to oxidize any organic matter in the water using harsh chemical conditions.

Biochemical oxygen demand (BOD)

(Environmental Engineering) The amount of oxygen required to oxidize any organic matter present in a water during a specified period of time, usually 5 days. It is an indirect measure of the amount of organic matter present in a water.

AFS Tests

(english) A number of standard tests determined by American Foundrymen's Society to evaluate molding and core sands.

Temperature Rise

(Concrete Engineering) The increase of concrete temperature caused by heat of hydration and heat from other sources.

Burnishing

(english) Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.

Blast Furnace Gas

(english) By-product gas created by the iron making process which is used as fuel for the boilers.

Shear modulus:

(english) The ratio of shear stress divided by the corresponding shear strain in a linear elastic material.

Effluent based standards

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

Boiler

(english) A closed vessel in which water, is transformed into steam at a given pressure and temperature under controlled conditions.

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.

Brinell Hardness Test

(english) A common standard method of measuring the hardness of materials. The smooth surface of the metal is subjected to indentation by a hardened steel ball under pressure. The diameter of the indentation, in the material surface, is then measured by a microscope and the hardness value is read from a chart or determined by a prescribed formula.

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