- Author
-
Armstrong, F. E.
- Title
- Method and Apparatus for Measuring Incombustible Content of Coal Mine Dust Using Gamma-Ray Backscatter. Patent Application.
- Report
-
PAT-APPL-550099; Serial 550,099,
February 14, 1975,
22 p.
- Keywords
-
coal mines
|
coal dusts
|
gamma irradiation