Treating Sleeping Sickness. The type of treatment depends on the stage of the disease. Drugs used in the first stage of the disease are of lower toxicity and are easier to administer. However, treatment success in the second stage of the disease depends on a drug that can cross the blood-brain barrier.
Definition of casinghead gas. : natural gas rich in hydrocarbon vapors that is taken without processing from an oil well.
Gas carburizing consists of heating and holding low carbon alloy steel (0.07-0.28 percent Carbon) at normally 1650-1800_F. (899-982_C) in a controlled atmosphere which causes additional carbon to diffuse into the steel (typically 0.70-1.10 percent carbon at the surface).