Modification Method of RV Cycloid Gear based on the Tooth Profile Pressure Angle Distribution by Jinfan Li, Tianxing Li, Yulong Li, Meng Tian, Jingyuan Zhou, Ruiyao Zhang

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Le travail en équipe en école primaire : une autonomie sous contrainte by Cécile Roaux

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The efficacy of platelet-rich plasma in ankle disease: a systematic review and meta-analysis by Qixin Ding, Xu Wang, Yurong Liu, Yuefang Li, Di Zhang, Heling Wang, Shenhong Ma, Qiaohua Han, Weisheng Zhuang

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Effect of a Balance Adjustment System on Postural Control in Patients with Chronic Ankle Instability by Kazushi Yoshida, Rieko Kuramochi, Junji Shinohara

“…# Background/Purpose This study aimed to evaluate how a two-week program using the in-phase mode of a balance adjustment system (the BASYS) affected postural control in participants with chronic ankle instability (CAI). It was hypothesized that the in-phase mode on the BASYS would lead to improved postural control compared with training on a balance disc…”
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Early Failure of Total Ankle Arthroplasty in a Patient with Ipsilateral Varus Knee Deformity by Taehyeon Kim, Su Chan Lee, Chang Hyun Nam, Suengryol Ryu, Hye Sun Ahn, Ji-Hoon Baek

“…Multiple risk factors such as age, body mass index (BMI), preoperative diagnosis, smoking, diabetes mellitus, malalignment of an implant, and presence of ipsilateral hindfoot fusion have been shown to contribute to failure of total ankle arthroplasty (TAA). However, the exact causes of TAA failure remain uncertain, and various causes can lead to a need for revision surgery. …”
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Ankle muscle strength and activation are associated with walking patterns in preschool and school-age children. by Sudarat Apibantaweesakul, Shiho Omura, Weihuang Qi, Natsuki Sado, Hiroto Shiotani, Fumiko Tanaka, Plaiwan Suttanon, Yasuo Kawakami

“…However, the detailed nature of the ankle pattern has not been clarified. We investigated musculature, biomechanics, and muscle activation strategies and their relevance to walking performance in preschool (PS) and school children (SC), with adults (AD) as reference. …”
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Tooth Profile Construction Method with Double Pressure Angles for High Performance Gear Pumps by Li Deling

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Influence of interface sawtooth angle on the shear behavior of cement mortar coal composite structure by Xianxia Wang, Xudong Shi, Jinwen Bai, Hongchao Zhao, Yantong Zhao

“…The results showed that both the shear strength and displacement of tested specimen increased with the increase of the interface sawtooth angle. The peak stress is 5.42 MPa at a sawtooth angle of 75°, which is 1.369 times that of the specimen with a sawtooth angle of 0°. …”
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The Applicability of Limiting Phase Angle Temperatures for Specifying Asphalt Binder Low Temperature Performance by Kristjan Lill, Karli Kontson, Andrus Aavik

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Prediction Method of Maximum Propagation Angle in Parabolic Equation Model over Irregular Terrain by Rui Zhang, Hongguang Wang, Zhensen Wu, Leke Lin, Zhenwei Zhao

“…In this study, a maximum propagation angle prediction method was developed. The maximum propagation angle with terrain should be calculated as the sum of the maximum propagation angle without terrain and twice the maximum terrain slope angle. …”
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Research of the Effect of Bearing Stiffness and Gear Helix Angle on Vibration Noise of Gear Reducer by Zhou Jianxing, Sun Wenlei, Cui Quanwei

“…The dynamics model of the cylindrical gear transmission system is built in consideration of the time-varying mesh stiffness and gear errors.The dynamic load of the bearing is taken as the excitation,the vibration and noise radiation of the gear reducer is researched by using FEM/BEM,then the time history of node vibration displacement and noise spectrum of the gearbox are obtained,and the effect of the excitation of frequency doubling of mesh frequency on the gearbox vibration and noise radiation are illustrated.The effect of bearing stiffness and helix angle on vibration and noise radiation are researched,then the rule of dynamic load with bearing stiffness,the rule of noise radiation with bearing stiffness and helix angle are obtained.The study provides useful theoretical guideline to the design of the gearbox.…”
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The Effect of Force Application on the Stability of Mini-Screw in Different Insertion Angles (An in-vitro Study). by Lazha Latif Binyamen, Zana Qadir Omer

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Ankle muscle strength and activation are associated with walking patterns in preschool and school-age children by Sudarat Apibantaweesakul, Shiho Omura, Weihuang Qi, Natsuki Sado, Hiroto Shiotani, Fumiko Tanaka, Plaiwan Suttanon, Yasuo Kawakami

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A Method of Arrival Angle Optimization in Single-Station Positioning Based on Statistical Features by Ting Li, Tongxin Liu, Xuehai Yang, Guobin Yang, Chunhua Jiang, Chongzhe Lao

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A Guidance Strategy for Strapdown Seeker considering Minimum Field-of-View Angle Constraint by Guanqun Zhou, Qunli Xia

“…Analysis of kinematics proves that on the premise of attacking stationary target, seeker look angle comes to 0 before or at the end time, and seeker will lose target finally. …”
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A New Impact Time and Angle Control Guidance Law for Stationary and Nonmaneuvering Targets by Zhe Yang, Hui Wang, Defu Lin, Luyao Zang

“…A guidance problem for impact time and angle control applicable to cooperative attack is considered based on the sliding mode control. …”
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Results of Monitoring Eastern Imperial Eagle Breeding Populations in Dagestan (Russia) in 2022–2023 by Gadzhibek S. Dzhamirzoev, Rinur H. Bekmansurov, Hadzhaman N. Ismailov

“…Eastern Imperial Eagle (EIE; Aquila heliaca) breeding populations in Dagestan were monitored in 2021 and 2022 as part of the project “Study and Conservation of Eastern Imperial Eagle” implemented by the Non-governmental Environmental Central “Caucasus”, Russian Bird Conservation Union (RBCU), and Nature and Biodiversity Conservation Union NABU, with the support of the NABU International Foundation and VGP Foundation.…”
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Investigation of Flow Characteristics in Valveless Piezoelectric Pumps with Airfoil Baffles at Varying Angles of Attack by Jun Huang, Hiba Affane, Bo Zhang, Ming Kuang, Jian Xiong, Siyao Zhang

“…To investigate the impact of airfoil angle of attack on the output performance of a valveless piezoelectric pump with airfoil baffles, this study conducted comprehensive performance tests and full-flow field simulations of piezoelectric pumps across a range of angles. …”
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Optimization Design of Pumping Unit Reversing Mechanism based on Output Swing Angle Analysis by Liu Yongping Li Dawei Dong Changbin

“…Aiming at the problem that the output angle of the elliptical gear planetary gear train reversing mechanism with small beam pumping unit is small and can not meet the long stroke demand, the influencing factors of the output swing angle of the mechanism are analyzed, and the results are expressed in the transmission ratio curve of a pair of non-circular gear pairs with the graphical area. …”
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Construire des minorités sexuelles et de genre dans les écoles étasuniennes by Lila Braunschweig

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