Efficient liquefaction of Australian bro
โ
Isao Mochida; Yuji Moriguchi; Yozo Korai; Hiroshi Fujitsu; Kenjiro Takeshita
๐
Article
๐
1981
๐
Elsevier Science
๐
English
โ 225 KB
## Letters to the Editor The contact angles of brown coals are plotted with their oxygen content in Figure 2, where a fair rectilinear relation is observed. The two kinds of coals can bc classified on the basis of their atomic ratio O/C. The higher value of O/C > 0.15 of brown coal may imply a hig