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This method relates to fossil fuels or macromolecular compounds both containing and not containing hetero atoms. The fossil fuels or macromolecular compounds, in the substantial absence of H or H-donors, are placed under high-temperature high-pressure supercritical or subcritical water conditions for reforming and/or lowering the molecular-weight of macromolecular compounds by accompanying hydrocracking...
A calorimetric study was completed to examine the thermochemical properties of a lithium secondary battery. A twin-type heat conduction calorimeter was used and its accuracy was determined by the specific heat capacity measurement of a standard material, synthetic sapphire. The inaccuracy was <1.1% in the range of 303-343 K. The thermal transitions corresponding to crystal phase transitions...
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