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Bituminous coal is the most abundant rank of coal found in the United States, and it accounted for about 44% of total U.S. coal production in 2020. Bituminous coal is used to generate electricity and is an important fuel and raw material for making coking coal or use in the iron and steel industry. Bituminous coal was produced in at least 18 ...
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In this paper, we study the effect of change in the ratio of conduction band discontinuity to valence band discontinuity (Î" Ec/Î" Ev) on the optimum solution obtained from GA for model binary copolymers. The effect of varying bandwidths on the optimum GA solution is also investigated.
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The plant essentially consisted of a battery of 180 non-recovery coke ovens and 30 by-product ovens with a sulphuric acid plant, two blast furnaces (each of 350 tonnes per day capacity), one 300 tonne hot metal mixer, four open hearth furnaces of 50 tonne capacity each, one steam engine driven 40-inch reversing blooming mill, one 28-inch ...
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This research report consists of the world's crucial region market share, size (volume), trends including the product profit, price, Value, production, capacity, capability utilization, supply, and demand and industry growth rate. Geographically this report covers all the major manufacturers from India, China, USA, UK, and Japan.
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Based on the high spatial resolution measurements, the representative area of PM2.5 at one station can be determined from the grids with high correlations and small differences of PM2.5. The representative area for a single station in the study period ranges from 0.25 to 16.25 km2 but is less than 3 km2 for more than half of the stations.
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Clearly for a high value of sound reduction index over the majority of the audiofrequency range (the mass-controlled region) it is better to have a high surface weight, a low bending stiffness, and a high internal damping. The acoustic performances of some materials have been predicted and are compared to measured values in Table A-5.
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