Boosting the catalytic performance of Cu-SAPO-34 in NO removal via hydrothermal treatment.

Phosphate ions promoted Cu-SAPO-34 (P-Cu-SAPO-34) were prepared using bulk CuO particles as Cu precursor by a solid-state ion exchange technique for the selective catalytic reduction of NO with NH (NH-SCR). The effects of high temperature (H-T) hydrothermal aging on the NO removal (de-NO) performance of Cu-SAPO-34 with and without phosphate ions were systematically investigated at atomic level. The results displayed that both Cu-SAPO-34 and P-Cu-SAPO-34 presented relatively poor NO removal activity with a low conversion (< 30%) at 250-500°C.

Clinical observation on the treatment of ankle fracture with buttress plate and traditional internal fixation and its effect on GQOLI-74 score and Baird-Jackson score.

Objective: To explore the curative effect of buttress plate and traditional internal fixation in the treatment of ankle fracture, so as to provide potential reference for the clinical treatment of this disease.

Methods: This is a clinical comparative study. The subjects of this study were one hundred patients with ankle fracture treated in Mindong Hospital Affiliated to Fujian Medical University from January 2019 to December 2021.