High-Performance Fatigue-Resistant Dual- Polyrotaxane Hydrogel Electrolytes for Flexible Aqueous Zinc-Ion Batteries.

This study presents a novel anti-fatigue hydrogel electrolyte with a slip-ring structure for next-generation flexible wearable energy storage systems. Conventional quasi-solid aqueous zinc-ion batteries (ZIBs) with hydrogel electrolytes often suffer from mechanical degradation under repeated stress, limiting practical use. To overcome this, a dual-Polyrotaxane (DPR)-polyacrylic acid (PAA) hydrogel with a unique slip-ring architecture is synthesized, that enhances mechanical durability, self-healing, and adhesion.

Analysis on the Effect of Radiofrequency Ablation and Electrocautery in the Treatment of Vaginal Intraepithelial Neoplasia.

Objective: This research intends to investigate the clinical efficacy of radiofrequency ablation and electrocautery in treating grade I or II vaginal intraepithelial neoplasia (VaIN).

Methods: This is a single-center retrospective study, which collected the clinical data of 100 patients with VaIN diagnosed by colposcopy and pathological biopsy in the Gynecology and Cervical Center of Xiangzhu Branch of the Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region between January 2020 and June 2021. Patients were divided into the study group (radiofrequency ablation treatment) and the control group (electrocautery) according to differences in treatment approaches.

CFD-based pesticide selection for a nozzle used in a six-rotor UAV in hover mode for tea spraying.

Background: A key challenge for unmanned aerial vehicle (UAV) spraying sometimes used in tea plantations is the downwash flow structure there stronger than in crops. In addition, the UAV spray is affected by the relationship between the nozzle design and the pesticide. However, there is little current research on this aspect.