Sentence examples for coals was determined from inspiring English sources
In addition, the influence of potassium on the reactivity of the coals was determined.
The chemical composition of ash samples for M2, M12, M24 and M43 coals was determined using X-ray fluorescence spectrometer.
The exchange capacity of xanthated and sulfonated coals was determined as follows: For every combination of particle size and reaction temperature, 50.00 mL of 7,000 mg/L solutions of Cd2+ were mixed with 0.5000 g of xanthated or sulfonated coal by triplicate.
In engineering, the particle size distributions for different feeding coals are determined empirically, such as the mean particle size of anthracite is smaller, and the mean particle size of lignite is larger.
Therefore, levels of BAI in the coals are determined by the available amounts of acid after neutralization of calcite and the amount of total iron in the coals.
The disintegration/swelling force of thin samples of bituminous coal was determined in methylene chloride and dimethyl formamide.
The rank of coal was determined by measuring random reflectance on collotelinite grains.
The quantity of adsorbed and free gas in the experimental coal was determined from Eqs. (1)–(5).
Forms of sulfur in coal were determined according to ISO 157 1996 (coal-Determination of forms of sulfur).
The grade or rank of coal is determined by the percentage of carbon present.
The rank of a coal is determined primarily by the depth of burial and temperature to which the coal was subjected over time.
