Flooded cooler on the centrifugal liquid chillers. You could say that the shellside evaporator is flooded with liquid refrigerant. Water or in brine spreads through the tube. Secondly, coil fills only the lower part of the shell. He is in the water below the level of the liquid refrigerant, which is controlled by a float valve.
Use of antibiotics as a treatment strategy for pneumonia continued throughout the 1900s. However, widespread overuse of antibiotics led to the creation of penicillin-resistant strains of Streptococcus pneumonia, which was of great concern to the medical community.
The diseases caused by pneumococcus include meningitis, bloodstream infections and pneumonia. The pneumococcal vaccine was first introduced for use in all infants in the United States in 2000. Before the vaccine, every year pneumococcus caused about 700 cases of meningitis, 17,000 cases of bloodstream infections and 71,000 cases of pneumonia.