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Quick data summaries and visualizations on trending industry, political, and socioeconomic topics from Knoema’s database.United States: Higher Education Costs Flat in 2018 E-Commerce Prompting Innovation by Traditional Postal Services The Global Opportunity Index 2018 了解更多
Lignite is the lowest rank of coal, often referred to as brown coal, used almost exclusively as fuel for steam-electric power generation. It is brownish-black and has a high inherent moisture content, sometimes as high as 45 percent The heat content of lignite ranges from 9 to 17 million Btu per ton on a moist, mineral-matter-free basis. Production data include quantities extracted from surface and underground mines, and normally exclude wastes removed at mines or associated reparation plants.
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