Results 21 to 30 of about 1,646,835 (267)
Clinical and Experimental Otorhinolaryngology, 2022 Objectives The impacts of ventilation tube (VT) type and effusion composition on the VT extrusion rate and complications in children with otitis media remain unclear. This part II study evaluated the factors affecting the extrusion rate, recurrence rate,
M. Yoo +18 more
semanticscholar +1 more source
Journal of Magnesium and Alloys, 2020 Magnesium alloys have narrow available slip result from close-packed hexagonal structure that limit their processing properties. In the recent work, the Mg-2Zn-0.46Y-0.5Nd, as materials for degradable stents, was applied to produce as-extruded micro-tube
Kaikai Guo +7 more
doaj +1 more source
Metals, 2021 A severe plastic deformation process, termed accumulative extrusion bonding (AEB), is conceived to steady-state bond metals in the form of multilayered tubes. It is shown that AEB can facilitate bonding of metals in their solid-state, like the process of
Matthew R. Standley, Marko Knezevic
doaj +1 more source
Investigation of metal flow in bridge die extrusion of Alloy 6063 and subsequent effect on surface quality and weld seam integrity [PDF]
, 2013 This paper describes a detailed study of tube extrusion by simulation using finite element method (FEM). The finite element model used one-sixth of symmetry. The extrusion load, emperature evolution and metal flow were predicted.
Sheppard, Terry, Velay, Xavier, Niu, L.
core +1 more source
Comparison of tympanostomy tubes for endoscopic placement in adults with otitis media with effusion
Laparoscopic, Endoscopic and Robotic Surgery, 2019 Objective: To compare the therapeutic effects of two types of tympanostomy tube, in terms of extrusion time and recurrence rate, after endoscopic ventilation tube placement in adults with otitis media with effusion.
Mao Jin, Ke Sun, Xuan Li
doaj +1 more source
Additive manufacturing via tube extrusion (AMTEx)
, 2020 Large scale Fused Filament Fabrication (FFF) is a growing area of interest within AM, with several unresolved problems: the volumetric cost of materials is high, the printing process is slow and low cooling rates result in unstable or sagging structures.
Nicholas Hopkins +2 more
semanticscholar +1 more source
Hot extrusion characteristics and technique optimization for superalloy 617B tube
工程科学学报, 2019 Nickel-base superalloy 617B is one of the most promising candidates for superheater and reheater pipes of advanced ultra-supercritical (AUSC) power plants.Hot extrusion is a key process during the manufacturing of superalloy 617B pipes.However, the high ...
JIANG He, DONG Jian-xin, ZHANG Mai-cang
doaj +1 more source
Tube Extrusion and Cheese Wiring Five Years Post Dacryocystorhinostomy
Philippine Journal of Otolaryngology Head and Neck Surgery, 2011 Objective: Dacrocystorhinostomy (DCR) with silicone tube stenting is a common procedure for congenital nasolacrimal duct obstruction (NLDO). The incidence of congenital NLDO is about 6% in the newborn.
Khairullah Bin Anuar +1 more
doaj +1 more source
Tube equal channel angular extrusion (tECAE) of Mg–3Al–1Zn alloy
, 2021 This study describes a severe plastic deformation processing technique for tubular materials, in the interest of enhancing mechanical properties via grain refinement and crystallographic texture control.
A. Srivastava +6 more
semanticscholar +1 more source
Indian Journal of Ophthalmology, 2011 Aim: The aim was to evaluate the outcome of Ahmed glaucoma valve (AGV) in post-penetrating-keratoplasty glaucoma (PKPG). Materials and Methods: In this prospective study, 20 eyes of 20 adult patients with post-PKPG with intraocular pressure (IOP) >21 ...
Anita Panda +5 more
doaj +1 more source