N-alkyl and n-alkenyl aspartic acids as co-collectors for...
Neopentane separation of bituminous materials
Neutral hydrocarboxycarbonyl thionocarbamate sulfide collectors
Neutral hydrocarboxycarbonyl thiourea sulfide collectors
New collector composition for flotation of activate sphalerite
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Non-aqueous process for the recovery of bitumen from tar sands
Non-welded discharge electrode
Nonwoven fabric in an electret state and process for its...
Novel dithiocarbamate collectors and their use in the...