Unit Control Block — In IBM mainframe operating systems from the z/OS line, a Unit Control Block (UCB) is a memory structure, or a control block , that describes any single input/output peripheral device, or a unit , to the operating system.A similar concept in Unix… … Wikipedia
Cooling load temperature difference calculation method — Contents 1 CLTD/CLF/SCL Cooling Load Calculation Method 2 History 3 Application 4 Explanation of Variables … Wikipedia
materials testing — Introduction measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… … Universalium
Bay Area Rapid Transit — Infobox Public transit name = Bay Area Rapid Transit imagesize = 100px locale = San Francisco Bay Area transit type = Rapid transit began operation = September 11, 1972 system length = convert|104|mi|km|abbr=on lines = 5 stations = 43 (1 under… … Wikipedia
Distinctive unit insignia — A soldier inventories distinctive unit insignia devices at the Charles C. Carson Center for Mortuary Affairs. A Distinctive Unit Insignia (DUI) is a metal heraldic device worn by soldiers in the United States Army. The DUI design is derived from… … Wikipedia
Engine control unit — An engine control unit (ECU) is an electronic control unit which controls various aspects of an internal combustion engine s operation. The simplest ECUs control only the quantity of fuel injected into each cylinder each engine cycle. More… … Wikipedia
Newmark's influence chart — Newmark’s Influence Chart is an illustration used to determine the vertical pressure at any point below a uniformly loaded flexible area of soil of any shape. This method, like others, was derived by integration of Boussinesq’s equation for a… … Wikipedia
Central processing unit — CPU redirects here. For other uses, see CPU (disambiguation). An Intel 80486DX2 CPU from above An Intel 80486DX2 from below … Wikipedia
stress, effective — Stress (pressure) that is borne by and transmitted through the grain to grain contacts of a deposit, and thus affects its porosity or void ratio and other physical properties. In onedimensional compression, effective stress is the average… … Lexicon of Cave and Karst Terminology
Maximum transmission unit — In computer networking, the maximum transmission unit (MTU) of a communications protocol of a layer is the size (in bytes) of the largest protocol data unit that the layer can pass onwards. MTU parameters usually appear in association with a… … Wikipedia
Newton (unit) — Not to be confused with Newton scale, a rarely used non SI temperature scale. Newton Unit system: SI derived unit Unit of... Force Symbol: N Named after: Isaac Newton … Wikipedia
