Hebei University of Science and Technology, Hebei University of Science and Technology, Hebei University of Science and Technology, Hebei University of Science and Technology, Hebei University of Science and Technology, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Hebei University of Science and Technology, Hebei University of Science and Technology - School of Environmental Science and Engineering and Xi’an High-Tech Institute