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Earth, Planets and Space
Fig. 10 | Earth, Planets and Space

Fig. 10

From: A procedure for stable electrical measurements on a rock sample against high contact resistance as a prerequisite for electrical tomography

Fig. 10

Photographs of set-up for measurement of plastic samples overlaid with the dimensions r, θ, and z defining the coordinate axis. Top row: cylindrical plastic samples a1 MC501CD R2 (Mitsubishi Chemical Advanced Materials, Tokyo, Japan; 52 mm diameter, 100 mm length) and b1 MC500AS R11 (Mitsubishi Chemical Advanced Materials, Tokyo, Japan; 63 mm diameter, 100 mm length). Middle row: thin-disk plastic samples (52 mm diameter, 30 length) of a2 MC501CD R2 and b2 MC500AS R11. Bottom row: arrangement of wire potential electrodes around the thin-disk samples’ side surface and conductive epoxy-adhesive current electrodes attached to their ends, a3 MC501CD R2 and b3 MC500AS R11

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