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词汇 lignite
释义

Definition of lignite in English:

lignite

noun ˈlɪɡnʌɪtˈlɪɡˌnaɪt
mass noun
  • A soft brownish coal showing traces of plant structure, intermediate between bituminous coal and peat.

    褐煤

    Example sentencesExamples
    • Depending on the degree of carbon concentration and coalification, one differentiates between lignite, bituminous coal and anthracite.
    • Perhaps the hydrothermal activity served as the impetus for the enhancement of coal rank from lignite or subbituminous to high volatile A bituminous.
    • Europe, for instance, has sufficient amounts of brown coal, or lignite, to keep the continent supplied with electrical power for the next 200 years or so.
    • That plant burned lignite to raise steam for the compressors.
    • The republic has supplies of coal and lignite (brown coal) and uranium ore.
    • Although by no means restricted to the Neogene, these economically important sequences include brown coals or lignites, which underlie large areas and include substantial fluvial sequences of this age.
    • Rice husks release about 16 joules of energy per kilogram, about the same as lignite but less than bituminous coal's 25 joules.
    • Coal and lignite and mineral oils were de-reserved from exclusive public sector production.
    • Repeatedly, descriptions of lignite, which may be associated with floodplain sequences, are reported.
    • The Tertiary coal of northern Thailand is classified according to coal rank as lignite to bituminous coal.
    • The plant burns lignite coal from the Maritsa Iztok mining complex and produces a large amount of sulphur dioxide.
    • Coal is usually classified into the sub-groups known as anthracite, bituminous, lignite, and peat.
    • In the lower third of the unit, a conspicuous 15-40 cm thick lignite with quartz grit matrix occurs and includes plant stem fragments, some more than 5 cm long.
    • The principal crops are wheat, maize, barley, sugar beet, potatoes, and grapes, while mineral resources include bauxite, brown coal, lignite, and copper.
    • According to him, in Germany, 50 per cent of the power comes from coal and 30 per cent from lignite.
    • Germany's chief natural resources are iron ore, bituminous coal and lignite, potash, timber, lignite, natural gas, salt, and nickel.
    • Mining is focused on lignite, bauxite, asbestos, and marble.
    • Peats will in situ change successively to lignite, to bituminous coal, and eventually to anthracite.
    • It is overlain by the lower shale member, which consists of interbedded carbonaceous shale and lignite that accumulated in coastal marsh and swamps landward of the shoreline.
    • The sediments include lacustrine freshwater limestones, silts, marls, occasional sands and local lignite.

Derivatives

  • lignitic

  • adjective lɪɡˈnɪtɪk
    • Undifferentiated gray to buff sand and gravel, gray to brown lignitic silt and clay, occasional boulders, and rare shell beds.
      Example sentencesExamples
      • It is capped by the above mentioned sandstone unit and grades into lignitic clay below.
      • The Oligo-Miocene succession consists of interbedded clays and sandstones with subordinate lignitic horizons and several thick conglomeratic units towards the base of the Oligocene.
      • The major limitation for using lignitic and sub bituminous Pakistani coals as fuels, is their high sulphur content.
      • The objective of this study was to gain more insight to what extent spatial heterogeneity of soil hydraulic parameters contributes to preferential flow at a lignitic mine soil.

Origin

Early 19th century: coined in French from Latin lignum 'wood' + -ite1.

Definition of lignite in US English:

lignite

nounˈliɡˌnītˈlɪɡˌnaɪt
  • A soft brownish coal showing traces of plant structure, intermediate between bituminous coal and peat.

    褐煤

    Example sentencesExamples
    • In the lower third of the unit, a conspicuous 15-40 cm thick lignite with quartz grit matrix occurs and includes plant stem fragments, some more than 5 cm long.
    • The Tertiary coal of northern Thailand is classified according to coal rank as lignite to bituminous coal.
    • Peats will in situ change successively to lignite, to bituminous coal, and eventually to anthracite.
    • That plant burned lignite to raise steam for the compressors.
    • The republic has supplies of coal and lignite (brown coal) and uranium ore.
    • The plant burns lignite coal from the Maritsa Iztok mining complex and produces a large amount of sulphur dioxide.
    • Coal is usually classified into the sub-groups known as anthracite, bituminous, lignite, and peat.
    • Germany's chief natural resources are iron ore, bituminous coal and lignite, potash, timber, lignite, natural gas, salt, and nickel.
    • Repeatedly, descriptions of lignite, which may be associated with floodplain sequences, are reported.
    • Coal and lignite and mineral oils were de-reserved from exclusive public sector production.
    • Perhaps the hydrothermal activity served as the impetus for the enhancement of coal rank from lignite or subbituminous to high volatile A bituminous.
    • Depending on the degree of carbon concentration and coalification, one differentiates between lignite, bituminous coal and anthracite.
    • Europe, for instance, has sufficient amounts of brown coal, or lignite, to keep the continent supplied with electrical power for the next 200 years or so.
    • Mining is focused on lignite, bauxite, asbestos, and marble.
    • According to him, in Germany, 50 per cent of the power comes from coal and 30 per cent from lignite.
    • The sediments include lacustrine freshwater limestones, silts, marls, occasional sands and local lignite.
    • It is overlain by the lower shale member, which consists of interbedded carbonaceous shale and lignite that accumulated in coastal marsh and swamps landward of the shoreline.
    • The principal crops are wheat, maize, barley, sugar beet, potatoes, and grapes, while mineral resources include bauxite, brown coal, lignite, and copper.
    • Although by no means restricted to the Neogene, these economically important sequences include brown coals or lignites, which underlie large areas and include substantial fluvial sequences of this age.
    • Rice husks release about 16 joules of energy per kilogram, about the same as lignite but less than bituminous coal's 25 joules.

Origin

Early 19th century: coined in French from Latin lignum ‘wood’ + -ite.

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