论文题目：《Codensification of Eucommia ulmoides Oliver stem with pyrolysis oil and char for solid biofuel: An optimization and characterization study》
论文链接：//www.sciencedirect.com/science/article/pii/S0306261918306317
论文链接：//www.sciencedirect.com/science/article/pii/S0306261918306317