We studied the fabricating method of humic acid sodium and forming process of lignite semi-coke and tested strength indexes of moulded coke of different proportioning.
研究了黏结剂腐植酸钠的制备方法及褐煤半焦成型工艺，并对不同配比的型焦作了各种强度指标测试。
2
In order to manufacture complex components, it is suggested that at least two semi-finished moulded parts are firmly joined either in raw form or after at least partial carbonisation.