Prime-mover dynamo plants – Electric control – Traction
Patent
1986-01-09
1991-08-13
Berman, Jack I.
Prime-mover dynamo plants
Electric control
Traction
2503591, G01N 2302
Patent
active
050398563
ABSTRACT:
A process and a device are provided for the quantitative radiation absorption measurement of a work piece using an electromagnetic radiation beam. In accordance with the invention, the work piece is scanned by sections and each section scanned is fictitiously divided into a plurality of zones, for each of which the value of the coefficient of attenuation per unit of length of said beam is determined.
REFERENCES:
patent: 3983368 (1976-09-01), Csakvary et al.
patent: 4144570 (1979-03-01), Wagner
patent: 4283629 (1981-08-01), Habermehl
patent: 4393305 (1983-07-01), Shimizu et al.
patent: 4511801 (1985-04-01), Tatham et al.
Greenleaf et al, "(Acoustic) Reconstruction of Spat. Dist. of Attenu. in Tissues . . . )", NBS Special Pub. 453, p. 109 (1976).
Berman Jack I.
Hanig Richard
Societe Nationale Industrielle Aerospatiale
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