Susanne
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doc#121 case with the surface -active agent
doc#121 any wetting or surface -active agent
doc#121 reduced by a surface -active agent
doc#121 the usual organic surface -active agent
doc#121 oleophilic or hydrophobic surface -active agent
doc#121 oleophobic or hydrophilic surface -active agent
doc#121 the detergent or surface -active material
doc#121 used a Brush surface -analyzer in
doc#117 of the lunar surface , and contour
doc#123 the Earth's surface , has been
doc#117 depth beneath the surface , where the
doc#121 from the charged surface , which almost
doc#129 on a quadric surface . </p><p> Continuing with
doc#121 onto the soiled surface . In most
doc#115 be satisfied by surface . It may
doc#124 travel along the surface . It will
doc#121 to an uncharged surface . Obviously,
doc#117 of the solid surface . Radio observations
doc#129 a nonsingular quadric surface . </p><p> We now
doc#127 along the pleural surface . With completion