information about API gravity field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Biology 35.4M papers | Chemistry 28.8M papers | Engineering 24.4M papers | Organic chemistry 13M papers |
Geology 9.3M papers | Paleontology 5.4M papers | Petroleum engineering 477k papers | Petroleum 94.3k papers |
Crude oil 26.8k papers | |||
| Current | |||
API gravity 993 papers | |||
| Child | |||
Trends
Field Trends