Results 21 to 30 of about 571,983 (243)

The Effects of Adding Attachments in Conventional Composite Hybrid Joints on Tensile Strength [PDF]

open access: yes, 2010
Mechanical fasteners are commonly used in today’s composite aircraft adhesive joints. The primary purpose for using mechanical fasteners was to provide redundancy to the adhesive joints because of the uncertainties associated with an adhesive only joint.
Wang, Peng Hao
core   +1 more source

Correlation between facet tropism and lumbar degenerative disease: a retrospective analysis

open access: yesBMC Musculoskeletal Disorders, 2017
Background The aim of this study was to investigate the correlation between facet tropism and spinal degenerative diseases, such as degenerative lumbar spondylolisthesis, degenerative lumbar scoliosis, and lumbar disc herniation.
Tian Gao   +9 more
doaj   +1 more source

Structural Behavior of Floor Systems Made by Floor Plates—Mechanical Model Based on Test Results

open access: yesApplied Sciences, 2021
In daily engineering practice, the execution of concrete slabs by the mean of precast floor plates is seen as a common and reliable way to create massive slabs.
Tom Molkens, Ann Van Gysel
doaj   +1 more source

PECULIARITIES OF THE CLINICAL COURSE OF THE MULTI-DRUG RESISTANT FORM OF TUBERCULOUS SPONDYLITIS IN THE KYRGYZ REPUBLIC

open access: yesПаёми Сино, 2018
Objective: To study the clinical course of multiple drug resistance in patients with tuberculous spondylitis in the Kyrgyz Republic. Methods: Analyzed 877 medical histories of patients with tuberculous spondylitis of the cervical, thoracic, lumbar and
M.D. ABDIEV   +4 more
doaj   +1 more source

Key Triggers of Osteoclast-Related Diseases and Available Strategies for Targeted Therapies: A Review

open access: yesFrontiers in Medicine, 2017
Osteoclasts, the only cells with bone resorption functions in vivo, maintain the balance of bone metabolism by cooperating with osteoblasts, which are responsible for bone formation.
Haidi Bi   +7 more
doaj   +1 more source

Recent development in finite element analysis of self-piercing riveted joints [PDF]

open access: yes, 2011
Self-piercing riveting (SPR) is a high-speed mechanical fastening technique which is suitable for point-joining advanced lightweight sheet materials that are dissimilar, coated, and hard to weld.
He, Xiaocong   +5 more
core   +1 more source

A Case of Geroderma Osteodysplasticum Syndrome: Unique Clinical Findings

open access: yesGlobal Medical Genetics, 2022
Geroderma osteodysplasticum (GO; MIM 231070) is characterized by a typical progeroid facial appearance, wrinkled, lax skin, joint laxity, skeletal abnormalities with variable degree of osteopenia, frequent fractures, scoliosis, bowed long bones ...
Maha Alotaibi   +3 more
doaj   +1 more source

On the delamination suppression in structural joints by Z-fibre pinning [PDF]

open access: yes, 2007
The main objective of this paper is to investigate the benefits of Z-fibre pinning to improve the bonding strength of composite joints. The problem is addressed from a design point of view in order to develop a simulation methodology that can be ...
Allegri, Giuliano   +3 more
core   +1 more source

A machine learning approach to predict postoperative sleep disturbance after total knee arthroplasty: a comparative study of multiple algorithms

open access: yesFrontiers in Medicine
BackgroundPostoperative sleep disturbance (PSD) is a common complication following total knee arthroplasty (TKA), which negatively impacts patient recovery.
Yi-xiang Zhang   +12 more
doaj   +1 more source

Joints Of Steel Sandwich Structures

open access: yesPolish Maritime Research, 2021
Steel sandwich structures are perceived as alternatives to single-skin welded structures in the shipbuilding industry due its advantages like significant reduction of mass in relation to typical single skin structure.
Kozak Janusz
doaj   +1 more source

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