Promotional Effect of S Doping on V<sub>2</sub>O<sub>5</sub>–WO<sub>3</sub>/TiO<sub>2</sub> Catalysts for Low-Temperature NO<i><sub>x</sub></i> Reduction with NH<sub>3</sub>Zihua Wu, Weilong Rong, Zhongdang Wan et al.|Industrial & Engineering Chemistry Research|2020Cited by 31