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(Environmental Engineering) The atmosphere from approximately 12 km to 70 km. The temperature of the atmosphere increases in this region.Strong acid
(Concrete Engineering) Energetic agitation of concrete to assist in its consolidation, produced by mechanical oscillating devices at moderately high frequencies. (A.) External vibration employs a device attached to the forms and is particularly applicable to the manufacture of precast items and for the vibration of tunnel lining forms. (B.) Internal vibration employs an element which can be inserted into the concrete; and is more generally used for cast-in-place construction.
(Environmental Engineering) A municipal or domestic wastewater treatment facility.
(Environmental Engineering) Water which is contained in lakes, rivers, and oceans.
(Environmental Engineering) An organic compound with one or more hydroxyl "-OH" groups.
(Concrete Engineering) Microscopic air bubbles intentionally incorporated in mortar or concrete, to improve workability and durability (usually imparting a higher degree of resistance to freezing and thawing).
(Environmental Engineering) (FS) are the solids that do not volatilize at 550°C.
(Software Engineering) when a defect is introduced early in the software process and remains undetected, it often is amplified into multiple defects later in the software process
(Software Engineering) an integration testing approach that constructs and tests software on a daily basis
(Software Engineering) a technique that translates the needs of a customer in technical requirements for software by assessing the value of each requirement
(Software Engineering) the degree to which a product conforms to both explicit and implicit requirements
(Environmental Engineering) The depth at which an inflection point occurs in a lake temperature profile.