bituminous coal

基本解釋

The conventional material in these filters has long been a bituminous coal base, whereas one of Siemens' new products uses coconut shells.
這些過濾器的常規(guī)材料一直以來都使用煙煤做濾材，而西門子的一種新產(chǎn)品使用椰殼做濾材。
Such techniques are particularly important in America, where power plants use a lot of sub-bituminous coal from the Powder River Basin in Wyoming and Montana.
這類技術(shù)在美國猶為重要，因?yàn)槊绹碾娬径际褂脧膽讯砻?、蒙大拿州的粉河盆地開采的大量亞煤煙煤。
Lowarsenic coals often have high organic arsenic. Humic acid and fulvic acid extracted from lignite and low rank bituminous coal also combine some of arsenic.
在砷含量較低的煤樣品中，有機(jī)態(tài)砷含量較高，其中在褐煤和低煤級煙煤中，可提取出與腐殖酸和富里酸結(jié)合的砷。

The majority of coal produced domestically is of the bituminous and subbituminous variety.
FORBES: Chinese Demand Will Drive This Wyoming Coal Stock

a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 4686 per cent calorific value: 1.931073.63107 J/kg (Also called soft coal)

煙煤
This investigation is about the influence of fatty acid used as the promoter on the product of bituminous coal oxidation by oxygen and alkaline solution acting in an autoclave.
采用高壓釜實(shí)驗(yàn)，研究煙煤在堿性介質(zhì)中氧氣氧化時加入有機(jī)脂肪酸促進(jìn)劑對產(chǎn)品生成的影響。
能源科學(xué)技術(shù)
煙煤
瀝青煤

煙煤
Iodine levels increase from lignite through subbituminous coal and bituminous coal to anthracite,it indicates that coal adsorbed excess iodine from the hydrothermal fluids during the process of metamorphism,including geothermal metamorphism and telemagmatic metamorphism.
從褐煤、亞煙煤、煙煤到無煙煤,碘的含量越來越高,表明在變質(zhì)作用(含深成變質(zhì)作用和區(qū)域巖漿熱變質(zhì)作用)過程中煤吸收了熱液流體中的碘。