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16.449  Articles
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The steam coal price in China has been continuously decreasing since the second half of 2012. Constant low price of coal will accelerate the development of thermal power, cause more serious air pollution problems, and bring adverse influence to China’s en... see more

Coal is a cheap fuel, so it is widely used by steam power plants (PLTU). With many PLTUs using coal, the demand for coal  increases and the quality of the coal is decreasing and the price continues to rise. With this problem, it is necessary to impro... see more

Various bankruptcy prediction models have been used to measure the movement of stock prices, and thus the firms’ performance. This study is aimed at empirically exploring the usefulness of the Olhson, Almant Modification, Grover, Springate, and Zmijewski ... see more

The object of research is the processes of thermal conversion of steam coal and biomass, with the aim of creating highly efficient environmentally friendly technologies for its joint combustion into fuel boiler units.One of the important problems that imp... see more

The object of research is the processes of thermal conversion of steam coal and biomass, with the aim of creating highly efficient environmentally friendly technologies for its joint combustion into fuel boiler units.One of the important problems that imp... see more

This paper presents a numerical analysis and experimental investigation of two very different solid fuels, low-rank bituminous coal of 40 % ash content and petrocoke of 3 % ash content, gasification under steam and air plasma conditions with an ... see more

As the most abundant and widely distributed fossil fuel, coal has become a key component of energy sources in worldwide. However, air pollutants from coal power plants contribute carbon dioxide emissions. Therefore, understanding how to taking care coal i... see more

This study aims to evaluate the rank (or grade) and economic value of so–called coal horizons outcropping in the vicinity of Banik and Shiranish-Islam villages of Zakho District, Duhok Governorate. These coal-like beds (locally known as Banik Coal) make u... see more

This paper investigated the effect of coal prices and foreign ownership on the capital structure of coal companies in the Indonesian stock exchange. This study used debt to equity ratio (DER) to proxy capital structure and control variables, i.e., size, l... see more

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