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Dual gate device with mobility of 20cm2/Vs has been applied to improve power consumption of oxide products, the devices show high on‐state current of more than 45uA, good uniformity of ΔVth 1.03V, PBTS of 2.18V. The optimized pixel design of 14inch WQXGA achieves high aperture ratio of 74% and transmittance of over 9.5%. This 120Hz demo with brightness of 150nit can significantly reduce power consumption by 65%, from 2.1W to 1.27W. [ABSTRACT FROM AUTHOR]

Flexible electronics strongly demand the integration of flexible and large‐scale multifunctional oxides. BiFeO3 is one of the most essential multifunctional oxides that could be used in memories, logics, sensors, and actuators. Recently, freestanding single‐crystalline BiFeO3 membranes exhibited superior elasticity and flexibility. However, fabrication and integration of large‐scale freestanding BiFeO3 membranes into flexible electronics remain elusive. In this study, inch‐scale freestanding single‐crystalline BiFeO3 membranes are fabricated with assistance from a water‐soluble sacrificial layer. To transfer flat and crack‐free membranes, all the existing methods are first followed but fail. Then the study introduces a temporary supporting Cu layer on the surface of the as‐grown SiTiO3/Sr3Al2O6/(SrRuO3/)BiFeO3 heterostructure and successfully obtains full and crack‐free 5 mm × 5 mm freestanding membranes on various substrates. The residual strain within the heterostructure releases gradually under the protection of the Cu layer. The freestanding BiFeO3 membranes are relatively uniform among different regions and exhibit good dielectric, ferroelectric, and ferromagnetic properties. Finally, flexible ferroelectric photovoltaic devices are patterned based on those BiFeO3 membranes, and they have open circuit voltage and short circuit current density up to −0.25 ± 0.03 V and 0.82 ± 0.09 µA cm−2, respectively. [ABSTRACT FROM AUTHOR]

Groundwater in the decommissioned mining field of acid-based in-situ leaching of uranium has such characteristics as strong acidity and excessive uranium and SO42- concentrations, and its remediation is an urgent problem to be studied and solved. In this paper, the groundwater in the decommissioned mining field of an acid in situ leach uranium mine in northwestern China was taken as the research object, and the CaO neutralization method was firstly applied for the removal of uranium. After that, an anaerobic Desul fovibrio desul furicans microbial membrane reactor was constructed, and the effects of carbon source and influent flow rate on the removal of SO42- in the neutralized groundwater were explored. The results showed that after neutralization with 0. 167 g CaO, the pH value of each liter of groundwater was raised from original 3.0 to 7.0, the uranium concentration was decreased from original 0.4 mg/L to 0.04 mg/L, which met the standard for discharge, and the SO42- concentration was decreased from original 1 349.2 mg/L to 840.3 mg/L. The neutralized groundwater was then treated by the constructed Desul fovibrio desul furicans microbial membrane reactor, and when the carbon source was glucose and the influent flow rate was 1.0 mL/min, the SO42- concentration was decreased from 840.3 mg/L to 256 mg/L, which also met the standard for discharge. This study shows that the two-step remediation approach, in which uranium was firstly removed using CaO neutralization method and the SO42- was then removed by anaerobic Desul fovibrio desul furicans microbial membrane reactor, has a potential application prospect in the treatment of groundwater in the decommissioning mining field of acid in-situ leach uranium mining. [ABSTRACT FROM AUTHOR]

Objective: To analyze the clinical characteristics of unilateral acoustic neuroma（AN） with normal hearing, so as to provide evidence for early identification AN. Methods: Clinical datas from 73 patients of unilateral AN with normal hearing of Otorhinolaryngology Head and Neck Surgery of Beijing Tiantan Hospital affiliated of Capital Medical University from August 2019 to April 2022 admitted to department were retrospectively analyzed. All patients underwent pure tone audiometry（PTA）, speech discrimination score（SDS）, auditory brainstem response（ABR）, distortion product otoacoustic emission（DPOAE） and head enhanced MRI. Results: The incidence of normal hearing among patients with AN was 10.7%. Male∶female=1∶2.2; the mean age of the patients was（37.3±9.4） years; the mean tumor size was（24.2±11.2） mm. Tinnitus was the most common reason for visit; the patients who had headache and dizziness had larger tumors. Surgery was the main treatment, and the patients who underwent surgery had larger tumors than those of follow-up. Heterogeneous tumors were the most common type of MRI, homogeneous tumors were smaller than heterogeneous and cystic tumors. The sensitivity of ABR in the diagnosis of AN with normal hearing was 95.9%, and that of ≥20 mm tumors was 100%; prolonged Ⅴ-waves were the most common, patients with Ⅴ-wave deletion had larger tumors than those with normal or prolonged Ⅴ-waves. Patients who had the longer the Ⅴ-wave and the longer difference between Ⅰ-Ⅴ wave had larger tumors. DPOAE was not elicited at full frequency in 11 patients. There was no statistically significant difference in age among patients with different symptoms, treatments, types of MRI, ABR and DPOAE. Conclusion: AN of normal hearing was most common in 30-39 years old women. Patients had different symptoms, phenotypes of MRI and ABR. Patients with normal hearing who had tinnitus, dizziness, headache, facial paraesthesia, and recovery after sudden haring loss can be further examination of ABR and DPOAE for early identification AN. The sensitivity of ABR in diagnosis of hearing normal AN was 95.9%, and the abnormal type of Ⅴ-wave is related to tumor size., Competing Interests: The authors of this article and the planning committee members and staff have no relevant financial relationships with commercial interests to disclose., (Copyright© by the Editorial Department of Journal of Clinical Otorhinolaryngology Head and Neck Surgery.)