Ultrasonic wet grinding coal
Uniform coal suspensions and process for preparing same
Unleaded aviation gasoline
Unleaded aviation gasoline
Upgrading method of low-rank coal
Upgrading method of low-rank coal
Upgrading of solid fuels
Upgrading solid fuels
Use of 1-nonen-3-ol for repelling insects
Use of aldehydes as embrittling agents for waste
Use of an organic acid as an embrittling agent for waste
Use of aralkyl polyalkylene glycol ethers for the preparation of
Use of esterified silica for separation of ethanol from water
Use of etherified polygalactomannan gums as carbonaceous slurry
Use of ethoxylated dialkyl quaternary ammonium derivatives as su
Use of ferrocene
Use of formaldehyde as a chemical embrittling agent for waste
Use of poly (DMDAAC) as coal fine slurry viscosity reducer
Use of polyhydric alcohols to reduce loss of amine oxides from l
Use of quaternary ammonium salts of nitrogen containing polymers