[Investigation of the oxidation reaction of O3 with bromide ion in aqueous solution].

The reaction mechanism of O3 with bromide ion in aqueous solution was studied by ion chromatography and UV-Vis spectrometry instruments. Ion chromatography analysis showed that only 10% of Br- which was oxidized by ozone was formed into bromate ion. The results demonstrated that the final products of the oxidation reaction were identified as Br2 and Br3- except for BrO3-.

[New-type electrodeless excilamp for advanced treatment on nitrogen-heterocyclic compounds (NHCs) in aqueous solution].

A novel 206 nm excilamp generated by microwave-driven Kr/I2 mixtures was employed for nitrogen-heterocyclic compounds (NHCs) degradation in aqueous solution. The photodissociation efficiencies of indole and quinoline with 206 nm excilamp were estimated on the basis of removal efficiency of targeted compounds and the loss of total organic carbon (TOC). The results indicated that removal efficiency of 20 mg x L(-1) indole was as high as 62.

[Photolysis of simulating CS2 malodorous gas using microwave electrodeless lamps].

The photolysis of simulating carbon disulfide malodorous gas was studied under UV irradiation emitted by microwave electrodeless lamps. Experiments results show that the photolysis of carbon disulfide is determined by the initial concentration, residence time and gas humidity. When air velocity is 0.

A combined plasma photolysis (CPP) method for removal of CS2 from gas streams at atmospheric pressure.

A combined plasma photolysis (CPP) reactor that utilizes a dielectric barrier discharge (DBD) plasma and 207 nm UV radiation from discharge-driven KrBr* excimers was designed and constructed. Gas streams containing CS2 were treated with stand-alone DBD and CPP at atmospheric pressure. In comparison to DBD, CPP greatly enhanced the removal efficiency at the same applied voltage, waste gas concentration and gas residence time.

[Differentiated thyroid carcinoma in children and adolescents: clinical characteristics and treatment].

Objective: To explore the clinicopathologic characteristics, treatment and prognosis of differentiated thyroid carcinoma (DTC) in adolescents.

Methods: The data of 46 patients with DTC under the age of 18 years were retrospectively reviewed.

Results: Twenty patients were misdiagnosed in this group (43.

[Photocatalytic degradation of hexafluorobenzene by tungstophosphoric acid].

We verified that C6F6, a typical perfluorine compound, could be photocatalytic degraded by H3PW12O40. The defluorination of C6F6 was determined as a function of irradiation time, pH, initial concentration of H3PW12O40, and additives as well. The defluorination of C6F6 increased with the irradiation time.

[Dissociation of SF5CF3 under discharge].

SF5CF3 was identified recently as a potent greenhouse gas with strong radiative force and long atmosphere residential life. Spark discharge method was used to take simulative investigation on the elimination of SF5CF3 from atmosphere under discharge here. The results show that SF5CF3 was dissociated under discharge and formed some compounds containing S, F, O and C.