Results 101 to 110 of about 55,331 (264)

Piezoelectric Materials in Medical Ultrasound: A Comprehensive Review From Fundamentals to Translational Prospects

Information &Functional Materials, EarlyView.
Piezoelectric materials are reviewed as active platforms for medical ultrasound, bridging electromechanical fundamentals, transducer architectures, and biomedical applications. Material–device co‐design is emphasized as the key to high‐performance diagnosis, therapy, monitoring, wearable ultrasound, and emerging ultrasound‐responsive functions ...
Jianan Li, Qing Wan
wiley   +1 more source

Tip-rem modification for full tooth surface pattern and require no edge contact of high loaded capacity cycloidal hypoid gears

Xibei Gongye Daxue Xuebao
The full tooth surface pattern and require no edge contact design of cycloid bevel gears based on Tip-rem is a novel gear optimization design method, which aimed at optimizing contact performance of gears and preventing edge contact, thus improving the ...
Tan Zong, Deng Xiongyao, Li Guowen, Zhou Zhenyu, Rong Shifeng, Tang Jinyuan, Yang Yudian, Yao Wenlong, Ding Han   +8 more
doaj   +1 more source

Microbiome and aging: Trajectories of microbiome age across human ecosystems and their systemic effects

iMeta, EarlyView.
Microbiome age (MA) has emerged as an innovative biomarker of biological aging, reflecting host aging trajectories through dynamic alterations in microbial composition, function, and host–microbe interactions across multiple body ecosystems. Diverse computational strategies—including traditional machine learning, deep learning, and multi‐omics ...
Zhexin Ni, Jiaojiao Xie, Zhichun Zhang, Keming Zhang, Jie Ding, Mingyang Chang, Ying Su, Yunan Zhang, Mingfei Yao, Chengyuan Wang, Yan Yan, Wenjie Fang, Hainv Gao, Xuecong Tian, Yangshuo Li, Xinlin Zhu, Wen Zhang, Wanqing Liao, Gaoyuan Xu, Guojing Chen, Xiaoyi Lv, Chaoqin Yu, Weihua Pan, Vadim Molodtsov, Lanjuan Li, Yue Gao, Wei Zhou   +26 more
wiley   +1 more source

Research on meshing performance of high-order segmented topology modification in face gear pair

Jixie qiangdu
ObjectiveIn order to enhance the load-bearing performance of face gear transmission and reduce its sensitivity to installation misalignment, a high-order segmented topological modification based on a predefined contact path was proposed.MethodsFirstly ...
He Qinyi, Guo Hui, Ruan Yuhang, Zhou Zhenyu, Liu Li, Hou Zhihui, Mei Xiangqian   +6 more
doaj   +2 more sources

基于有限元法的齿端修形设计及影响因素分析

Jixie chuandong, 2014
Taking an increasing speed transmission gear pair as research objects,the longitudinal bending deformation and contact stress distribution of gear tooth meshing are analyzed with three dimension contact finite element analysis method.The results ...
刘晓勇, 杨忠林, 苏铁熊, 张翼
doaj  

Harnessing cracks in metal films: Design strategies for stretchable conductors

InfoMat, EarlyView.
In stretchable electronics, metal film‐based components function either as strain‐insensitive interconnects/electrodes or as strain‐sensitive sensors, both of which are governed by crack‐induced electromechanical responses, yet these two roles have often been discussed separately in previous reviews.
Ting Zhu, Kai Wu, Gang Liu, Jun Sun
wiley   +1 more source

Research of Calculation Method of Contact Stress of Non-orthogonal Modified Face-gear Drive with Helical Pinion

Jixie chuandong, 2020
Non-orthogonal modified face-gear drive is a kind of cross-shaft transmission mode with universal application. At present， there is no analytical formula for contact stress， only finite element software can be used to calculate the contact stress.
Yang Zhuxi, Wu Yuanhang, Tang Jinyuan
doaj  

3D‐Printed Models in Oral Surgery Simulation Training: A Scoping Review

Journal of Dental Education, EarlyView.
ABSTRACT Background Advancements in three‐dimensional (3D) printing have introduced innovative tools for medical and dental education. In dental surgery, 3D‐printed simulation models offer valuable presurgical training. This review explores the scope, study types, key findings, limitations, and future research needs to enhance their application in ...
Shahrzad Rahimizadeh Nahavandi, Leila Gholami, Amir Parham Pirhadi Rad, Morteza Ghojazadeh, Kevin Aminzadeh, Rana Tarzemany   +5 more
wiley   +1 more source

Addressing Perceived Barriers to Achieving Competency in Clinical Endodontics: A Mixed‐Methods Study

Journal of Dental Education, EarlyView.
ABSTRACT Purpose/Objectives The aim of this study was to assess predoctoral dental students’ satisfaction with faculty‐created educational content, aimed at reducing perceived barriers to achieving clinical competency in endodontics. Methods: This mixed‐methods study was conducted with third (D3)‐ and fourth (D4)‐year dental students at New York ...
Min‐Wen Fu, Ali Adil, Lucia Wang, Lorel E. Burns   +3 more
wiley   +1 more source

Comparing Digital Reduction Guides and Free‐Hand Techniques for Predoctoral Crown Preparation Accuracy

Journal of Dental Education, EarlyView.
ABSTRACT Purpose/Objectives Insufficient tooth reduction compromises crown longevity and aesthetics. This study aimed to determine whether digitally designed, 3D‐printed reduction guides improved crown preparation accuracy and efficiency for dental students compared to freehand preparation.
Xiaoyue Shi, Shuncong Xu, Chenxuan Wei
wiley   +1 more source