ตัวกรองผลการค้นหา
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(english) A vector quantity equal to the rate that position changes with time.
(Environmental Engineering) Organic compounds with two hydrocarbon groups bonded to a carbonyl group.
(english) A vector quantity equal to the rate that velocity changes with time.
(Environmental Engineering) An aromatic benzene ring with a hydroxyl substituted for one hydrogen.
(english) A colloidal clay derived from volcanic ash and employed as a binder in connection with synthetic sands, or added to ordinary natural (clay-bonded) sands where extra strength is required.
(english) A cavity which was produced during the solidification of metal by evolved gas, which in failing to escape is held in pockets.
(Environmental Engineering) Water which is contained in lakes, rivers, and oceans.
(english) A change in the shape of an object or material.
(Concrete Engineering) In concrete formwork, the support for the reinforcing steel.
(Software Engineering) tools that help in estimating project cost or effort
(Environmental Engineering) The biological oxidation of ammonia and ammonium sequentially to nitrite and then nitrate. It occurs naturally in surface waters, and can be engineered in wastewater treatment systems. The purpose of nitrification in wastewater treatment systems is a reduction in the oxygen demand resulting from the ammonia.
(Software Engineering) program design language; a combination of natural language with programming language-like constructs