Streptomycin is also occasionally used to treat infections such as brucellosis and endocarditis. As for TB, when treating these infections, streptomycin should be used in combination with another antibiotic to help prevent resistance occuring.
DEFINITION of 'Oil Shale'. A type of sedimentary rock composed chiefly of a combination of silt and clay. Shale may contain kerogen, a type of organic matter that yields oil and gas.
Oil shale has been used as an energy source for centuries. Extracting oil from oil shale requires conversion of the solid hydrocarbons in the rock to liquid form, so that they can pumped or processed.This is done by heating the rock to a high temperature, and separating and collecting of the resultant liquid.This heating process is called retorting.il shale has been used as an energy source for centuries. Extracting oil from oil shale requires conversion of the solid hydrocarbons in the rock to liquid form, so that they can pumped or processed.