Sentence examples for black residue from inspiring English sources

Where the laser touched the plastic, it left a black residue.

Now and then, he would dab it with a rag to wipe away the black residue.

George Powell, 70, who has lived here for 15 years, has given up trying to clear the black residue that clings to his front door.

Perkin had been adding hydrogen and oxygen to coal tar, as you do, and this heady concoction left a black residue in his glass jars.

The black residue of sooty mold is composed of dark fungal threads of a number of ascomycetes, including species of Alternaria, Capnodium, Cladosporium, Fumago, and Scorias.

The pyrolysis of Kapton film up to 1200 °C left a black residue principally composed of graphitic-carbon with a yield of about 55%.

Heat treatment of translucent Kapton®HN polyimide films conducted in inert atmosphere yields black residues.

Mysterious red and black residues encrusted on the bones and within the volcanic ash were first noticed during excavation.

Both grinding stone and grinding plate are made of dark grey sandstone, and, more importantly, there are black residues on the surfaces.

The black residues on a proto-inkstone unearthed in a middle-late Western Han tomb (140 BC AD 8) in the Changle Cemetery were characterised by FTIR, Raman and GC MS analyses.

This result also indicated that the black residues were mainly soot condensates, and further confirmed that this set of stone artefacts was a proto-inkstone used for grinding ink during the Western Han Dynasty.