Results 171 to 180 of about 52,719 (329)

A Human-Factor-Driven Implanter Design for Prolonged Hair Transplantation. [PDF]

Clin Cosmet Investig Dermatol
Park JH.
europepmc   +1 more source

Testing of UH-60A helicopter transmission in NASA Lewis 2240-kW (3000-hp) facility [PDF]

The U.S. Army's UH-60A Black Hawk 2240-kW (3000-hp) class, twin-engine helicopter transmission was tested at the NASA Lewis Research Center. The vibration and efficiency test results will be used to enhance the data base for similar-class helicopters ...
Coe, H. H., Mitchell, A. M., Oswald, F. B.   +2 more
core   +1 more source

Virtual reality and haptic simulation in modern microsurgical endodontics: Case report and proof of concept

International Endodontic Journal, Volume 59, Issue 6, Page 1286-1296, June 2026.
Abstract Aim To highlight the development and application of a novel virtual reality (VR) haptic simulation program in endodontic microsurgery (EMS) to prepare for a clinical case performed by a resident student. Summary Modern EMS requires adequate training and a learning curve for mastering surgical techniques and refining individual skills.
Damiano Pasqualini, Giorgia Carpegna, Mario Alovisi, Elio Berutti, Sami Chogle   +4 more
wiley   +1 more source

Molecular Photogearing for Controlling Rotary Motion at the Nanoscale. [PDF]

Chempluschem
Arpa EM, Durbeej B.
europepmc   +1 more source

Flexibility effects on tooth contact location in spiral bevel gear transmissions [PDF]

An analytical method to predict the shift of the contact ellipse between the meshing teeth in a spiral bevel gear set is presented in this report. The contact ellipse shift of interest is the motion of the nominal tooth contact location on each tooth ...
Altidis, P. C., Savage, M.
core   +1 more source

A Novel Scoring System for Predicting Procedural Difficulty in Supraneural L5 TFESI: The L5 TFESI Difficulty Score (LTDS)

Pain Practice, Volume 26, Issue 5, June 2026.
ABSTRACT Introduction Supraneural transforaminal epidural steroid injections (TFESI) at the L5 level are widely used to manage lumbosacral radiculopathy. However, fluoroscopic barriers such as prominent osteophytes and altered transverse process morphology can complicate needle advancement and reduce the likelihood of optimal injectate delivery ...
Chul Kim, Jun Hyeong Song
wiley   +1 more source

Influence of Finish Line and CAM Unit on the Marginal Adaptation and Margin Trueness of Lithium Disilicate Glass-Ceramic and Composite Resin Onlay Restorations. [PDF]

J Esthet Restor Dent
Pitta J, Çakmak G, Salem M, Mojon P, Sailer I, Boitelle P.   +5 more
europepmc   +1 more source

New generation methods for spur, helical, and spiral-bevel gears [PDF]

New methods for generating spur, helical, and spiral-bevel gears are proposed. These methods provide the gears with conjugate gear tooth surfaces, localized bearing contact, and reduced sensitivity to gear misalignment.
Coy, J. J., Handschuh, R. F., Litvin, F. L., Tsay, C.-B. P., Tsung, W.-J.   +4 more
core   +1 more source

Analysis of the Reversible Rotation and Power-Transmitting Performance of a Magnetic Bevel Gear

, 1997
K. Tsurumoto
openalex   +2 more sources

Wafer‐Scale Single‐Crystal Boron Nitride: Synthesis and Integration in 2D Electronics

Advanced Materials Interfaces, Volume 13, Issue 9, 5 May 2026.
This Review highlights recent breakthroughs in wafer‐scale hBN synthesis and its integration into next‐generation 2D electronics. We analyze growth kinetics, epitaxial strategies, and stacking‐sequence control while correlating material quality with device performance.
Jaewon Wang, Soon‐Yong Kwon
wiley   +1 more source