Results 1 to 10 of about 2,960,420 (225)

Fabrication of Ultra-Fine and Ultra-Long Copper Tube Electrodes by Ultrasonic High-Frequency Percussion

Micromachines, 2022
In this study, a new method of ultrasonic high-frequency percussion (UH-FP) is proposed. Ultra-fine and ultra-long copper tube electrodes cannot be fabricated by traditional processing methods, and the copper tube electrodes fabricated by UH-FP can be ...
Xiajunyu Zhang, Yugang Zhao, Hanlin Yu, Zhihao Li, Chuang Zhao, Guangxin Liu, Chen Cao, Qian Liu, Zhilong Zheng, Dandan Zhao   +9 more
doaj   +3 more sources

Correlation Between Implant Stability Quotient and Percussion Sound Frequency

Clinical and Experimental Dental Research
Objectives To determine the correlation between the primary implant stability quotient and the implant percussion sound frequency. Materials and Methods A total of 14 pigs' ribs were scanned using a dental cone beam computed tomography (CBCT) scanner to ...
Wansiri Peeraprasompong, Weerapan Aunmeungtong, Pathawee Khongkhunthian   +2 more
doaj   +2 more sources

Evaluating the Managerial Feasibility of an AI-Based Tooth-Percussion Signal Screening Concept for Dental Caries: An In Silico Study [PDF]

Diagnostics
Background: Early detection of dental caries is essential for effective oral health management. Current diagnostic workflows rely heavily on radiographic imaging, which involves infrastructure requirements, workflow coordination, and resource ...
Stefan Lucian Burlea, Călin Gheorghe Buzea, Irina Nica, Florin Nedeff, Diana Mirila, Valentin Nedeff, Lacramioara Ochiuz, Lucian Dobreci, Maricel Agop, Ioana Rudnic   +9 more
doaj   +2 more sources

A multi-dimensional percussion method for efficient drilling in HDR formations: Rock fragmentation mechanism, drilling energy analysis, and performance optimization

International Journal of Mining Science and Technology
Percussion drilling is a promising approach for hot dry rock (HDR) fragmentation. However, understanding of HDR fragmentation mechanism under multi-dimensional percussion remains limited and hinders the corresponding drilling performance.
Zhaowei Sun, Xiaoguang Wu, Zhongwei Huang, Gensheng Li, Xianzhi Song, Zongjie Mu, Huaizhong Shi, Wenhao He, Berdiev Alisher   +8 more
doaj   +3 more sources

Acoustic cues into a surgeon-assist physical AI for detecting bone penetration during spinal surgery [PDF]

Scientific Reports
Skilled surgeons can detect subtle changes in bone-cutting sounds to recognize bone penetration, but acoustic cues are subjective and dependent on surgical experience.
Hideaki Fujiwara, Takahito Fujimori, Yuya Kanie, Masayuki Furuya, Hirotatsu Imai, Koki Hosozawa, Kosuke Kita, Koki Kishimoto, Kei Shinyashiki, Yuichiro Ukon, Seiji Okada   +10 more
doaj   +2 more sources

Simulation on compound percussive drilling: Estimation based on multidimensional impact cutting with a single cutter

Energy Reports, 2021
In the present study, a 3D FEM of compound percussive system considering a loading–unloading cycle was employed to simulate the dynamic single-cutter-rock interaction.
Yumei Li, Tao Zhang, Zefang Tian, Yiming Zheng, Zengmin Yang   +4 more
doaj   +1 more source

Intelligent recognition of voids behind tunnel linings using deep learning and percussion sound

Journal of Intelligent Construction, 2023
Voids behind tunnel linings are critical factors affecting tunnels’ safety and durability. For automatic, rapid, and accurate detection of void defects behind tunnel linings, this paper proposes an intelligent recognition method of void detection based ...
Xiaolei Zhang, Xin Lin, Wei Zhang, Yong Feng, Wei Lan, Yuewu Da, Kan Hu   +6 more
doaj   +1 more source

Effect of operators' proficiency level and patients' related factors on possible complications, using a high frequency polyamide sonic intracanal irrigation device: A prospective clinical cohort study.

PLoS ONE, 2023
ObjectivesSonic/ultrasonic devices are essential tools in today's endodontics. This prospective trial evaluated for the first time the impact of practitioners' proficiency levels and patient-related factors on complications associated with a high ...
Tobias Hahn, David W Christofzik, Karim Fawzy El-Sayed, Sandra Freitag-Wolf, Jonas Conrad, Christian Graetz, Birte Größner-Schreiber, Christof Dörfer   +7 more
doaj   +1 more source

The impact of audio effects processing on the perception of hardness of Bass Drum

Cognitive Computation and Systems, 2022
In the music mixing, mixers and music producers often use hardness to describe the feeling of percussion instruments, such as the drum instruments.
Yu Wang, Jie Wu, Hanfu He, Shuaishuai Wang   +3 more
doaj   +1 more source

Management of pain due to cervical multilevel disk bulges and spinal stenosis with a focused vibro‐percussion wave treatment: A case report

Clinical Case Reports, 2022
A patient presenting with low back pain received 18 treatments of FDA‐approved low‐frequency vibro‐percussion wave stimulation known as Khan Kinetic Treatment (KKT).
Arwa Jameel Abu Omar, Mohammad Sami Al Baradie, Hussain Al Dera, Christopher Vannabouathong, Lee Bartel   +4 more
doaj   +1 more source