Results 1 to 10 of about 46,707 (212)

A comparative study of central corneal thickness changes in bevel-up and bevel-down phacoemulsification

open access: yesTNOA Journal of Ophthalmic Science and Research, 2022
Introduction: Many techniques that have been developed but the risk for corneal endothelium damage and posterior capsule rupture still exist. It is believed that corneal endothelium is minimally damaged when the tip is bevel down in phacoemulsification ...
Varshav Gore   +4 more
doaj   +5 more sources

Effect of Various Preparation Designs on Pull-Out Bond Strength of Endocrown

open access: yesIndian Journal of Dental Research, 2023
Background: The endocrown is described as monobloc ceramic component. The pull-out bond strength acts as a real-life scenario of failure that occurs in endocrown. The different preparation designs have been included to assess the type of preparation that
Naveen Thangarasu, K. Vijay Venkatesh
doaj   +1 more source

Influence of different tooth preparation and bonding techniques on the fracture resistance of tooth fragment reattachment

open access: yesBiomaterial Investigations in Dentistry, 2021
Purpose comparing the influence of different tooth preparation and bonding techniques on the fracture resistance of tooth fragment reattachment. Materials and method Ninety bovine central incisors were selected.
Shaymaa M. Nagi, Sherif M. Khadr
doaj   +1 more source

Design of a spiral bevel gear acc. to ISO 23509:2006 standards [PDF]

open access: yesMATEC Web of Conferences, 2020
When the transmitting of power and torque between parts of a machine requires high efficiency, the most appropriate type of gears are the bevel gears. The two main forms of bevel gears are straight and spiral bevel gears. Manufacturing of bevel gears has
Tsiafis Ioannis   +2 more
doaj   +1 more source

Comparison of incidence of intravascular injections during transforaminal epidural steroid injection using different needle types [PDF]

open access: yesKorean Journal of Anesthesiology, 2014
BackgroundInfrequent but serious complications of transforaminal epidural steroid injection (TFESI) occur due to inadvertent intravascular injections.
Ji Hee Hong, Yong Ho Lee
doaj   +1 more source

Numerical Analysis of Meshing of Loaded Misaligned Straight Bevel Gear Drives of Automobile Differential

open access: yesWorld Electric Vehicle Journal, 2022
The main purpose of this paper is to analyze the influence of different types of alignment errors on the meshing performance of loaded straight bevel gears. Based on 3D finite element models of the specific loaded assembling straight bevel gear pair, the
Qianjin Chen   +7 more
doaj   +1 more source

Research Review of Robust Optimization Design of Spiral Bevel Gears

open access: yesJixie chuandong, 2022
Spiral bevel gears are widely used in many fields. Research on the robust optimization design technology of spiral bevel gears is of great significance for improving the service life of spiral bevel gears and reducing noise in transmission.
Di Linjie   +5 more
doaj  

Needle bevel geometry influences the flexural deflection magnitude in ultrasound-enhanced fine-needle biopsy

open access: yesScientific Reports, 2022
It has been recently demonstrated that use of ultrasound increases the tissue yield in ultrasound-enhanced fine-needle aspiration biopsy (USeFNAB) as compared to conventional fine-needle aspiration biopsy (FNAB).
Saif Bunni, Heikki J. Nieminen
doaj   +1 more source

Defect tolerance in as-deposited selenium-alloyed cadmium telluride solar cells [PDF]

open access: yes, 2018
The efficiency of cadmium telluride (CdTe) solar cells is limited primarily by voltage, which is known to depend on the carrier concentration and carrier lifetimes within the absorber layer of the cell.
Barth, Kurt   +6 more
core   +1 more source

Backlash Control and the Fatigue Life Bench Test of Bevel Gears from Inter-axle Differential

open access: yesJixie chuandong, 2023
The bevel gears are the core components of inter-axle differential. The reliability of the bevel gears will affect the differential function and transmission capacity between different drive axles.
Zhao Long   +3 more
doaj  

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