ตัวกรองผลการค้นหา
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(Software Engineering) the ability of software to operate in a manner that is secure from internal or external attack
(Environmental Engineering) A surface phenomena in which a solute (soluble material) concentrates or collects at a surface (the adsorbent).
(english) This word usually carries the same meaning as displacement, although it is sometimes used in place of deformation.
(english) Inhomogeneous distribution of alloying elements or phases aligned in filaments or plates parallel to the direction of working.
(Environmental Engineering) An illegal and uncontrolled area where wastes have been placed on or in the ground. See Landfill.
(english) A valve that may be used to divert the flow of fluid in a passage. Most normally configured in a two-way pattern that is either open or closed.
(Concrete Engineering) Moisture which is mechanically held in a material. In aggregates, that water which is not available to become part of the mixing water is designated "absorbed" water.
(english) Having the equivalent lattice points at the corners of the unit cell, and at its center; sometimes called centered, or space-centered.
(Environmental Engineering) The placement of wastes into the land under controlled conditions to minimize their migration or effect on the surrounding environment.
(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.
(Environmental Engineering) Synthetic organic compounds used for refrigerants, aerosol propellants (prohibited in the U.S.), and blowing agents in plastic foams. CFCs migrate to the upper atmosphere destroying ozone and increasing global warming. Typical atmospheric residence times are 50 to 200 years.
(Concrete Engineering) The deposit of a gray scum or gray dust on the inside surface of a subgrade wall or floor; as the result of moisture moving through the concrete and washing certain chemicals from the concrete mass.