Radioactive emergency shielding device for density tool while drilling

The utility model relates to a while-drilling density tool radiation emergency shielding device which comprises a semi-cylinder, the outer side of the semi-cylinder is of an arc structure, a trapezoid groove is formed in the middle of the semi-cylinder, the trapezoid groove and the semi-cylinder are...

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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