Emergency shielding device for neutron tool radiation while drilling

The utility model relates to a while-drilling neutron tool radiation emergency shielding device which comprises two semi-cylinders, the two semi-cylinders are symmetrically arranged, a semi-circular groove is formed in the middle of each semi-cylinder, the semi-circular grooves and the semi-cylinder...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU WANXUAN, LU QUANGANG, DU BEIPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DECONTAMINATION ARRANGEMENTS THEREFOR NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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