To improve water quality and reduce the negative impacts of sudden inputs of water pollution in the Lixia River watershed. China. a series of experimental water transfers from the Yangtze River to the Lixia River were conducted from 2 December 2006 to 7 January 2007. Water samples were collected every six days at 55 monitoring sites during this period. https://foldlyers.shop/product-category/multifloor/