Results 1 to 10 of about 80,381 (180)

Biomechanical feasibility of semi-rigid stabilization and semi-rigid lumbar interbody fusion: a finite element study [PDF]

open access: yesBMC Musculoskeletal Disorders, 2022
Background Semi-rigid lumbar fusion offers a compromise between pedicle screw-based rigid fixation and non-instrumented lumbar fusion. However, the use of semi-rigid interspinous stabilization (SIS) with interspinous spacer and ligamentoplasty and semi ...
Chia-En Wong   +5 more
doaj   +5 more sources

Dual-functIon Semi-rigid thoraCoscOpy Versus semi-rigid thoracoscopy for the diagnosis of plEuRal diseases: protocol for a multicentre, open-label, randomised controlled trial in China (DISCOVER-I) [PDF]

open access: yesRespiratory Research
Background Exudative pleural effusion often presents diagnostic challenges, with up to 25% of cases remaining undiagnosed after thoracentesis or closed pleural biopsy. Semi-rigid thoracoscopy is a widely used minimally invasive diagnostic method. However,
Mingming Deng   +11 more
doaj   +2 more sources

Nonlinear Analysis of Rotational Springs to Model Semi-Rigid Frames [PDF]

open access: yesEntropy, 2022
This paper explains the mathematical foundations of a method for modelling semi-rigid unions. The unions are modelled using rotational rather than linear springs.
César Antonio Rodríguez González   +3 more
doaj   +2 more sources

Research on the Stress Characteristics of Reuse of Semi-Rigid Base [PDF]

open access: yesSensors
Semi-rigid bases are widely used in road construction due to their excellent properties, high rigidity, and frost resistance, and they have been in service for many years.
Liting Yu   +7 more
doaj   +2 more sources

Design of non-linear semi-rigid steel frames with semi-rigid column bases

open access: yesElectronic Journal of Structural Engineering, 2004
This article presents an analysis and design method for steel frames with semi-rigid connections and semirigid column bases. The analysis takes into account both the non-linear behaviour of beam-to-column connections and P-Δ effects of beam-column ...
S. O. Degertekin, M. S. Hayalioglu
doaj   +2 more sources

Cold formed steel semi rigid joints [PDF]

open access: yesREM: International Engineering Journal, 2018
This article presents a theoretical and numerical study of an innovative joint using cold-formed steel sections. The motivation for the study of this connection is the ease of manufacturing and assembly that it provides.
Adriano Toledo Silva   +4 more
doaj   +3 more sources

Patient position and semi-rigid ureteroscopy outcomes [PDF]

open access: yesInternational Brazilian Journal of Urology, 2009
Introduction: Two positions have been reported for ureteroscopy (URS): dorsal lithotomy (DL) position and dorsal lithotomy position with same side leg slightly extended (DLEL).
Fernando Korkes   +4 more
doaj   +5 more sources

LND-FILTRATIONS AND SEMI-RIGID DOMAINS

open access: yes, 2015
We investigate the filtration corresponding to the degree function induced by a non-zero locally nilpotent derivation and its associated graded algebra.
Alhajjar, Bachar
core   +4 more sources

Outcome of Semi-Rigid Ureteroscopy with LASER Lithotripsy for Management of Upper Ureteric Calculi [PDF]

open access: yesInternational Journal of Medical Arts, 2020
Background: Proximal ureteral calculi are common with multi-modalities of treatment, with continuous invention of new modalities. Aim of the work: To present the early experience with LASER lithotripsy using semi-rigid ureteroscopy for treatment of upper
El-Sayed Zaky Moahmed Taha   +4 more
doaj   +1 more source

STUDI TENTANG DIAFRAGMA KAKU DAN SEMI - KAKU PADA STRUKTUR GEDUNG DENGAN KETIDAKBERATURAN VERTIKAL

open access: yesTeknika, 2022
Umumnya para insinyur cenderung menganggap bahwa diafragma struktur bangunan adalah kaku, tetapi arsitek sering merencanakan bangunan yang ramping menyebabkan analisis diafragma kaku tidak tepat digunakan. Diafragma kaku dan semi-kaku berperilaku berbeda.
Samsul A Rahman Sidik Hasibuan   +1 more
doaj   +1 more source

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