To explore effective way for the complete catalytic degradation of toluene at low temperature, catalysts with diverse activity of adsorbed oxygen (Oads) and lattice oxygen (Olatt) are synthesized by introducing Sr2+ into the birnessite structure. Sr modification highly improved low-temperature...

Social scope group buying has become an increasingly popular marketing strategy and has served as a new customer acquisition tool. In the service industry, companies use social group buying (SGB) to recruit new customers and promote full-price products. Through SGB activities, customers can...