Changes in organic structural group composition of humic and fulvic acids with depth in sediments from similar geographical but different depositional environments

1992 ◽  
Vol 18 (4) ◽  
pp. 521-529 ◽  
Author(s):  
Usman Rasyid ◽  
W.David Johnson ◽  
Michael A. Wilson ◽  
John V. Hanna
Keyword(s):  
Group Composition ◽  
Fulvic Acids ◽  
Depositional Environments ◽  
Humic And Fulvic Acids ◽  
Structural Group ◽  
Structural Group Composition

Optimal Parameters for the Production of Humic Acids from Brown Coals with Specific Structural-Group Composition

2019 ◽  
Vol 53 (5) ◽  
pp. 253-261 ◽  
Author(s):  
S. I. Zherebtsov ◽  
K. S. Votolin ◽  
N. V. Malyshenko ◽  
O. V. Smotrina ◽  
J. Dugarjav ◽  
...  
Keyword(s):  
Humic Acids ◽  
Group Composition ◽  
Optimal Parameters ◽  
Structural Group ◽  
Brown Coals ◽  
Structural Group Composition

Structural group composition of organosulphur compounds of distillates of orenburg crude

1978 ◽  
Vol 18 (1) ◽  
pp. 54-62
Author(s):  
L MELNIKOVA ◽  
N LYAPINA ◽  
N KARMANOVA ◽  
A SMARKALOV ◽  
M PARFENOVA
Keyword(s):  
Group Composition ◽  
Structural Group ◽  
Structural Group Composition

Structural-group composition of asphalts from different sources

1973 ◽  
Vol 9 (1) ◽  
pp. 76-79
Author(s):  
N. A. Glotova ◽  
M. L. Kupershmidt ◽  
V. M. Kiryushina ◽  
D. D. Surmeli
Keyword(s):  
Group Composition ◽  
Structural Group ◽  
Structural Group Composition ◽  
Different Sources

Structural-group composition of resin substances of petroleums in West Siberia

1984 ◽  
Vol 24 (3) ◽  
pp. 125-131
Author(s):  
V NESTERENKO ◽  
V OGORODNIKOV ◽  
Y BRODSKII ◽  
A PLYUSNIN
Keyword(s):  
Group Composition ◽  
West Siberia ◽  
Structural Group ◽  
Structural Group Composition
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