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Petrol

a naturally occurring, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. A fossil fuel, it is formed when large quantities of dead organisms, usually zooplankton and algae, are buried underneath sedimentary rock and undergo intense heat and pressure.

Contributors in Petrol

Petrol

Interdepartmental service (electric)

Energy; Coal

Interdepartmental service includes amounts charged by the electric department at tariff or other specified rates for electricity supplied by it to other utility departments.

Moist (coal) basis

Energy; Coal

Moist coal contains its natural inherent or bed moisture, but does not include water adhering to the surface. Coal analyses expressed on a moist basis are performed or adjusted so as to describe the ...

Integrated demand

Energy; Coal

The summation of the continuously varying instantaneous demand averaged over a specified interval of time. The information is usually determined by examining a demand meter.

Mineral-matter-free basis

Energy; Coal

Mineral matter in coal is the parent material in coal from which ash is derived and which comes from minerals present in the original plant materials that formed the coal, or from extraneous sources ...

Load curve

Energy; Coal

The relationship of power supplied to the time of occurrence. Illustrates the varying magnitude of the load during the period covered.

Integrated gasification-combined cycle technology

Energy; Coal

Coal, water, and oxygen are fed to gasifier, which produces syngas. This medium-Btu gas is cleaned (particulates and sulfurcompounds removed) and is fed to a gas turbine. The hot exhaust of the gas ...

Mini van

Energy; Coal

Small van that first appeared with that designation in 1984. Any of the smaller vans built on an automobile-type frame. Earlier models such as the Volkswagen van are now included in this category.

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