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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and LubricantsS(numerical specification maximum) - indicates the maximum sulfur content, in weight ppm (µg/g), allowed by this specification.SA, n - abbreviation for severity adjustment.SAE - abbreviation for Society of Automotive Engineers, ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and LubricantsR - in a distillation column, abbreviation for reflux ratio.r - in statistics, abbreviation for repeatability.R - in statistics, abbreviation for reproducibility.Ra, n - in measuring surface finish, the arithmetic average ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and LubricantsP - in electromagnetics, symbol for radiant power.particle sizing, v - segregation of granular material into specified particle size ranges.particulate, adj - of or relating to minute separate particles.DISCUSSION - Solids ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantsobligate aerobe, n - microorganism with an absolute requirement for atmospheric oxygen in order to function.DISCUSSION - Obligate aerobes may survive periods in anoxic environments but will remain dormant until sufficient ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantsnatural graphite, n - in carbon and graphite technology, a material consisting predominantly of graphitic carbon, which forms in the earth’s crust as the result of igneous or metamorphic processes acting on carbonaceous ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantsmachinability, n - a measure of the ease with which a material can be shaped with the aid of cutting or abrasive tools.manufactured carbon, n - a bonded granular carbon body whose matrix has been subjected to a temperature ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantslag phase, n - the period of diminished physiological activity and cell division following the addition of microorganisms to a new culture medium.lamination, n - line of demarcation or elongated void generally parallel to ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantskinematic viscosity, n - the ratio of the viscosity to the density of a liquid.DISCUSSION - Kinematic viscosity is a measure of the resistance to flow of a liquid under gravity.kinematic viscosity, n - the ratio of the viscosity ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantsignition delay, n - that period of time, expressed in degrees of crank angle rotation, between the start of fuel injection and the start of combustion.immediate seizure region, n - that region of the scar-load curve characterized ...
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ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants
ASTM D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricantshandling point, n - an indication of the minimum temperature to which an oil should be heated in any part of the suction or delivery line of an oil-handling installation when the installation is operating.handling point, ...
