Coal assay Coal assay Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron ore smelting in the manufacture of steel. Coal comes in four main types or ranks: lignite or brown coal, bituminous coal or black coal, anthracite and graphite. Each type of coal has a certain set of physical parameters which are mostly controlled by moisture, volatile content (in terms of aliphatic or aromatic hydrocarbons) and carbon content. Moisture is an important property of
What a Nightmare, Charlie Brown! owner to be swallowed into the water. Snoopy finds himself being pulled into the hole. As he sinks screaming for his life, Snoopy wakes up clinging to the side of his doghouse and is relieved that he was just having a nightmare. Snoopy then wakes Charlie Brown and recounts his nightmare in pantomime, to which Charlie Brown allows Snoopy to spend the night inside with him, but not before Snoopy helps himself to a large ice cream sundae, reminding himself his Arctic experience was indeed a nightmare. What a Nightmare, Charlie Brown! What a Nightmare, Charlie Brown! is the 17th