Results 51 to 60 of about 159,128 (293)

Comparison of lateral entry and crossed entry pinning for pediatric supracondylar humeral fractures: a meta-analysis of randomized controlled trials

Journal of Orthopaedic Surgery and Research, 2021
Background Closed reduction and pinning entry fixation have been proposed as treatment strategies for displaced supracondylar humeral fractures (SCHFs) in children. However, controversy exists regarding the selection of the appropriate procedure.
Huaguo Zhao, Song Xu, Guanyi Liu, Jingyu Zhao, Shandong Wu, Linrui Peng   +5 more
doaj   +1 more source

Enhancing the critical current in quasiperiodic pinning arrays below and above the matching magnetic flux

, 2010
Quasiperiodic pinning arrays, as recently demonstrated theoretically and experimentally using a five-fold Penrose tiling, can lead to a significant enhancement of the critical current Ic as compared to "traditional" regular pinning arrays. However, while
Bothner, D., Kemmler, M., Kleiner, R., Koelle, D., Misko, V. R., Nori, Franco, Peeters, F. M.   +6 more
core   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

Prospective Study of Functional and Radiological Outcome after Operative Management of Supracondylar Fracture Humerus in Children

Journal of Orthopaedic Case Reports
Introduction: Supracondylar fractures of the humerus are the most frequently encountered injuries around the elbow with predominantly occurring in age group 5–7 years, with a higher incidence among male.
Sanavvar Ali, Sanjay Kumar, Rohit Nath, Ayush Prakash   +3 more
doaj   +1 more source

The Effect of Transulnar Pinning in Preventing Postoperative Radial Collapse and Wrist Motions in Distal Radius Fracture

İstanbul Medical Journal, 2022
Introduction:It is thought that transulnar (a Kirschner wire from radius to ulna) pinning provided less collapse at the fracture site in the percutaneous pinning of distal radius fracture.
Mehmet Ekinci, Kayahan Karaytuğ
doaj   +1 more source

Pinning Potential of the Self-Assembled Artificial Pinning Centers in Nanostructured YBa₂Cu₃O_7−x Superconducting Films

Nanomaterials, 2022
For high-field power applications of high-temperature superconductors, it became obvious in recent years that nano-engineered artificial pinning centers are needed for increasing the critical current and pinning potential.
Ion Ivan, Alina M. Ionescu, Daniel N. Crisan, Andreea Andrei, Armando Galluzzi, Massimiliano Polichetti, Jesus Mosqueira, Adrian Crisan   +7 more
doaj   +1 more source

Critical currents in superconductors with quasiperiodic pinning arrays: One-dimensional chains and two-dimensional Penrose lattices

, 2005
We study the critical depinning current J_c, as a function of the applied magnetic flux Phi, for quasiperiodic (QP) pinning arrays, including one-dimensional (1D) chains and two-dimensional (2D) arrays of pinning centers placed on the nodes of a five ...
Misko, V. R., Nori, Franco, Savel'ev, Sergey   +2 more
core   +1 more source

Enhancing Strength and Electrical Conductivity in Al–Zr–Sc Conductor Alloys Through Sn and Sr Microalloying and Two‐Step Aging Treatment

Advanced Engineering Materials, EarlyView.
Trace additions of Sn and Sr combined with a two‐step aging treatment are shown to enhance the microstructure and performance of Al–Zr–Sc conductor alloys. Strength and electrical conductivity increase concurrently through accelerated precipitation of fine Al3(Sc, Zr) precipitates and improved dislocation resistance, offering a cost‐effective pathway ...
Quan Shao, Emad M. Elgallad, Alexandre Maltais, X.‐Grant Chen   +3 more
wiley   +1 more source

Open vs. closed reduction with pinning for displaced Rockwood and Wilkins' type C thumb metacarpal base fractures in children

Frontiers in Pediatrics
BackgroundThe treatment of severely displaced Rockwood and Wilkins' type C (RWC) thumb metacarpal basal fractures remains controversial in children. This retrospective study aimed to compare the efficacy of two treatment methods, open vs.
Fei Qiao, Xinpeng Shang, Fei Jiang
doaj   +1 more source

Variation of Pinning Force Density Throughout the TSMG Y123 Superconductor with Location

Cumhuriyet Science Journal, 2022
Top seeded melt growth (TSMG) Y123 sample with 35 mm diameter was produced by using Nd123 seed and its superconducting parameters such as transition temperature (Tc), critical current density (Jc) and pinning mechanism were locally examined by taking ...
Bakiye Çakır
doaj   +1 more source