1.The empirical formula formed from vegression analysis can directly calculate as-received basis net calorific value of coal by proximate analysis,its accuracy is much the same as available formula,but the usage
1 Keywords empirical formula; proximate analysis; as-received basis net calorific value of coal;经验公式；回归分析；煤收到基低位发热量；
In general, electrical energy can be produced by: 1) non-renewable sources such as coal, natural gas, oil, and nuclear; and 2) renewable sources such as hydro, wind, solar, biomass, geothermal and marine. Howev...
Over the past two decades, Germany’s “Energiewende” has received considerable attention for its national flagship commitment to transition towards a low-carbon energy system and addressing a number of associated challenges, including sustainability, climate change, and innovation leadership in renewable...
Related to this definitional difficulty, baselines have received less attention than structural and data uncertainties in energy modelling reviews and assessments. However, transparency on the current policy content of model baselines is now more critical than ever,...
Energy consumption analysis. The analysis of required energy to produce the spent disposable wooden chopstick-derived AC by steam activation was adopted from the energy model of Maski et al.79 and Chen et al.80. The energy demand in the production process was separated into two sub-...
Although the industry is still in the initial building phases, high growth is being achieved with relatively low investment of 2–4 percent of revenue on an annual basis. The prevalence of C2C and marketplace transactions has made this possible. ...
(CEEC) and PR China’s renewable energy cooperation at present and in the future. A review and comparative analysis of the EU’s and PR China’s energy and climate-related policies should serve as a base for concluding whether their policies tend to align on a renewable energy basis, ...
In analyzing the matching degree between supply and demand, descriptive statistics, analysis of variance, and comparative analysis are commonly used. However, these methods are complicated to give a precise matching measure and can only be used as a basis for qualitative research. In a general sens...
This novel approach and especially the data basis of this study were subject to some uncertainties. Both the Ministry of Finance and the Federal Statistical Office stated that they did not have data for VAT revenues from food retailing differentiated by VAT rates. Due to this unavailability, we ...