ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(Environmental Engineering) An illegal and uncontrolled area where wastes have been placed on or in the ground. See Landfill.
(english) An alloy containing two elements, apart from minor impurities, as brass containing the two elements copper and zinc.
(english) Chemical polishing of aluminum, often by treatment with a mixture of nitric acid and phosphoric acid, yielding a mirror-shiny (specular) highly reflective surface. It is almost always followed by anodizing to protect the surface and provide some choice of color.
(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.
(english) A statically determinate structure is one where there is only one distribution of internal forces and reactions which satisfies equilibrium. In a statically determinate structure, internal forces and reactions can be determined by considering nothing more than equations of equilibrium.
(Software Engineering) a project scheduling and control technique that establishes time boundaries for the completion of a specific project task
(english) A device which permits air to move in and out of a container or component to maintain atmospheric pressure.
(Software Engineering) the person or group that has requested the software and will be paying the bill for its development
(english) A screw thread having a 29 degree included angel. Used largely for feed and adjusting screws on machine tools.
(Software Engineering) the collection of programs, documents and data that must be controlled when changes are to be madeConfiguration audit
(Software Engineering) Facilitated application specification techniques, a structured meeting between developer and customer; intent is to define basic requirementsFormal methods
(english) A process of box annealing or pot annealing ferrous alloy sheet, strip or wire after hot working and pickling.