Figure 9.

MWCNT-ethylene-glycol nanofluid samples between glass slides for different sonication time. From left to right: (a) 5 min, (b) 40 min, (c) 140 min, (d) 520 min, (e) 1,355 min.

Ruan and Jacobi Nanoscale Research Letters 2012 7:127   doi:10.1186/1556-276X-7-127
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