stack gas การใช้

• ""'Fundamentals of Stack Gas Dispersion " "'is a book devoted to the fundamentals of air pollution dispersion modeling of continuous, stationary point sources.
• Quinn said the mutations may be caused by polycyclic aromatic hydrocarbons, or PAHs, known to be present in some stack gases coming from steel mills.
• In later years, stack gases had to be scrubbed to reduce levels of sulfur, various oxides of nitrogen, and other combustion byproducts found to damage plants, animals, fish, and humans.
• In industrial settings, uses of IMS include checking equipment cleanliness and detecting emission contents, such as determining the amount of hydrochloric and hydrofluoric acid in a stack gas from a process.
• But China now consumes more coal than the United States _ 1 . 5 billion tons a year compared with 1 . 1 billion _ and China is less rigorous about cleaning stack gases.
• Pots came in two major styles : a single stack above a fuel oil-filled base, and a slightly taller version that featured a cambered neck and a re-breather feed pipe out of the side of the chimney that siphoned stack gas back into the burn chamber and produced more complete combustion.
• The Bush administration said Tuesday that it would leave intact a rule Bill Clinton established that requires older power plants built between 1962 and 1977 to comply for the first time with clean air requirements but that lets stand a target date of 2064 for complete elimination of stack gases _ a year hopelessly remote for all but the very young.