دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see Hazard Communication Standard

n: 1. a derrick or crane shaped like the letter A and used to handle heavy loads. 2. an A-shaped openwork structure that is the stationary and supporting component of the mast of a jackknife rig and to which the mast is anchored when it is in an upright or drilling position. 3. the uppermost section of a standard derrick, shaped like the letter A and used as a support in lifting objects such as the crown block to the water table.

n: A kind of "A" frame gin pole, used to elevate heavy object.

n: the force in dynes that a stationary flat plate with a surface area of 1 square centimetre exerts on a similar parallel plate 1 centimetre away and moving in its own plane with a velocity of 1 centimetre per second, the space between the plates being filled with the liquid in question. It is a measure of the resistance that the liquid offers to shear. absolute error n: the difference between the result of a measurement and the true value of the measured quantity as determined by means of a suitable standard device.

Standard density of dry air, free of CO2 at 0oC is 1.292 g/L.

0.763 lb/ft3 at standard temperature and pressure.

n: US organisation that sets standards and specifications for ships and ship equipment manufactured in the United States. The organisation also makes inspections during offshore rig construction and conducts periodic surveys to ensure that requirements for classification are maintained. Its official publications are Records of the American Bureau of Shipping and ABS Activity Report. Address: 2 World Trade Centre;106th floor;New York, NY 10048;(212) 839- 5000.

n: serves as clearinghouse for nationally coordinated voluntary standards for fields ranging from information technology to building construction. Address: 11 W. 42nd Street, 13th floor;New York, NY 10036;(212) 642-4900.

n: The leading standardizing organization on oilfield drilling and production equipment.

n: oil trade organisation (founded in 1920) that is the leading standardising organisation for oilfield drilling and producing equipment. It maintains departments of transportation, refining, marketing, and production in Washington, DC. It offers publications regarding standards, recommended practices, and bulletins. Address: 1220 L Street NW;Washington, DC 20005;(202) 682-8000.