information about Drill field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Engineering 25M papers | Materials science 18.5M papers | Mechanical engineering 5.5M papers | Metallurgy 4.8M papers |
| Current | |||
Drill 35.2k papers | |||
| Child | |||
Drill pipe 4,485 papers | Drill bit 3,600 papers | Drill string 3,182 papers | Drill hole 2,103 papers |
Deep hole drilling 1,652 papers | |||
Trends
Notes
History