Etiologies and clinical characteristics of macular hole: An 8-year, single-center, retrospective study.

To investigate the etiologies and clinical characteristics of full-thickness macular hole (FTMH) cases at Shanxi Eye Hospital in North China. Patients diagnosed with FTMH who underwent surgery from 2012 to 2020 were included, and the etiologies and clinical features of MH types were analyzed in an 8-year, cross-sectional, retrospective study. A total of 752 cases (776 eyes) were analyzed.

Effects of Hydrogenation on the Corrosion Behavior of Zircaloy-4.

Hydrogen plays an important role in the corrosion of zirconium alloys, and the degree of influence highly depends on the alloy composition and conditions. In this work, the effects of hydrogenation on the corrosion behavior of Zircaloy-4 in water containing 3.5 ppm Li + 1000 ppm B at 360 °C/18.

Study of Microstructure and Performance Evaluation of Zr-Sn-Nb Joints by Electron Beam Welding.

In this work, Zr-Sn-Nb alloy was joined by electron beam welding (EBW). A defect-free Zr-Sn-Nb joint with sound appearance was obtained. The grains in the weld zone (WZ) and heat-affected zone (HAZ) are significantly coarsened.

Characteristics of fundus autofluorescence imaging at 795 nm and its correlations with postoperative outcomes for idiopathic macular hole.

Background: Vitrectomy combined with internal limiting membrane (ILM) peeling or ILM inverted flap greatly improves hole closure and vision prognosis for idiopathic macular holes (IMH). The application of indocyanine green (ICG) in MH surgery increases the visibility of ILM and the safety of surgery. However, the area of ILM peeling and the state of the flap and a closed hole has not been well observed.

Clinical Observation of Anatomical and Visual Outcomes of Macular Hole after Inverted Internal Limiting Membrane Flap in Patients with Idiopathic Macular.

Objective: To investigate anatomical and visual outcomes of macular hole (MH) after inverted internal limiting membrane (ILM) flap technique for idiopathic macular hole (IMH).

Methods: A total of 13 IMH cases diagnosed in Shanxi Eye Hospital between January 2015 and June 2016 were included in the study. All patients underwent vitrectomy combined with indocyanine green-assisted inverted ILM flap technique.

Microstructure and Mechanical Properties of Ni-20Cr-EuO Composites Prepared by Vacuum Hot Pressing.

Ni-20Cr-EuO composites were designed as new control rod materials and were synthesized from Ni, Cr, and EuO mixture powders via ball milling and vacuum hot pressing. During ball milling, EuO was fined, nano-crystallized, amorphized, and then dissolved into matrix. The effect of EuO content on the microstructure and mechanics was researched, and the corresponding mechanism was discussed.

Corrosion Behavior of TiSiC in Flowing Liquid Lead-Bismuth Eutectic at 500 °C.

MAX phases are promising candidate structural materials for lead-cooled fast reactors (LFRs) and accelerator-driven sub-critical systems (ADSs) due to their excellent corrosion resistance in liquid LBE. In this work, one of the typical MAX phases, Ti3SiC2, was exposed to the flowing LBE with a saturated oxygen concentration at 500 °C for up to 3000 h. The corrosion behaviors, including the evolution of the corrosion layer, mechanical properties and wettability, were evaluated via X-ray diffraction, a scanning electron microscope equipped with an energy-dispersive X-ray, a microhardness test and contact angle measurement.

Study on the denitrification performance of FeLaO/activated coke for NH-SCR and the effect of CO escaped from activated coke at mid-high temperature on catalytic activity.

Currently, activated coke is widely used in the removal of multiple pollutants from industrial flue gas. In this paper, a series of novel FeLaO/AC catalysts was prepared by the incipient wetness impregnation for NH-SCR denitrification reaction. The introduction of Fe-La bimetal oxides significantly improved the denitrification performance of activated coke at mid-high temperature, and 4% FeLaO/AC exhibited a superior NO conversion efficiency of 90.

Identification and characterization of circRNAs involved in the regulation of low nitrogen-promoted root growth in hexaploid wheat.

Background: CircRNAs are widespread in plants and play important roles in response to abiotic stresses. Low nitrogen (LN) promotes the growth of plant root system, allowing it to explore more nitrogen. However, whether circRNAs involved in the response to LN stress and the regulation of LN-promoted root growth in wheat remains unclear.

Low-temperature co-purification of NO and Hg from simulated flue gas by CeZrMnO/r-AlO: the performance and its mechanism.

In this study, series of CeZrMnO/r-AlO catalysts were prepared by impregnation method and explored to co-purification of NO and Hg at low temperature. The physical and chemical properties of the catalysts were investigated by XRD, BET, FTIR, NH-TPD, H-TPR, and XPS. The experimental results showed that 10% CeZrMnO/r-AlO yielded higher conversion on co-purification of NO and Hg than the other prepared catalysts at low temperature, especially at 200-300 °C.

Simultaneous oxidation of Hg and NH-SCR of NO by nanophase Ce Zr Mn O at low temperature: the interaction and mechanism.

Simultaneous oxidation of Hg and NH-SCR of NO by catalyst is one of the key methods for co-purification of coal-fired flue gas. Till now, the interaction between the oxidation of Hg and NH-SCR of NO and its mechanism have not clarified. In this study, a series of nanophase Ce Zr Mn O was prepared for the simultaneous oxidation of Hg and NH-SCR of NO at low temperature.