| 摘要 |
Recirculating water used in closed cycle air-conditioning systems is treated with a 3-chloro-2-oxazolidinone derivative, e.g., 3-chloro-4,4-di(C1-C4)alkyl-2-oxazolidinones such as 3-chloro-4,4-di-methyl-2-oxazolidinone, to prevent the growth of Legionella pneumophila therein.
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