Results 51 to 60 of about 135,724 (265)

Mechanical Test of Sleeve Grouted Lapping Connectors under Uniaxial Tension and High-Stress Repeated Tension and Compression Loading

open access: yesApplied Sciences, 2022
In this study, uniaxial tension tests and high-stress repeated tension and compression tests were conducted on 32 APC (all vertical members precast in concrete structures) connectors.
Qiong Yu   +6 more
doaj   +1 more source

Análisis del esfuerzo residual en concreto para pavimento rígido reforzado con fibras metálicas y sintéticas [PDF]

open access: yes, 2014
A través del presente trabajo, luego de efectuar una exploración general respecto a los conceptos asociados con los diferentes tipos de fibras empleadas y su aplicación en diversas clases de concreto, se efectúa la explicación detallada acerca de los ...
Mendoza Vargas, Juan Iván   +2 more
core  

Multi‐omics and low‐input proteomics profiling reveals dynamic regulation driving pluripotency initiation in early mouse embryos

open access: yesFEBS Open Bio, EarlyView.
Mouse pre‐implantation development involves a transition from totipotency to pluripotency. Integrating transcriptomics, epigenetic profiling, low‐input proteomics and functional assays, we show that eight‐cell embryos retain residual totipotency features, whereas cytoskeletal remodeling regulated by the ubiquitin‐proteasome system drives progression ...
Wanqiong Li   +8 more
wiley   +1 more source

Tension Estimation in Anchor Rods Using Multimodal Ultrasonic Guided Waves

open access: yesSensors
The diagnosis of post-stressed anchor rods is essential for maintaining the service and ensuring the safety of Electricité de France (EDF) structures.
Thilakson Raveendran   +1 more
doaj   +1 more source

Effect of Glass Fiber Hybridization on the Behavior Under Impact of Woven Carbon Fiber/Epoxy Laminates [PDF]

open access: yes, 2010
The low-velocity impact behavior was studied in hybrid laminates manufactured by RTM with woven carbon and glass (S2) fabrics. Specimens with different thicknesses and glass fiber content (from 0 to 21 vol.%) were tested with impact energies in the range
A. Enfedaque   +6 more
core   +2 more sources

Matrix metalloproteinase‐9 regulates cell adhesion and membrane protrusive activity of ovarian cancer cells

open access: yesFEBS Open Bio, EarlyView.
Matrix metalloproteinase‐9 (MMP9) drives ovarian cancer progression. Using MMP9‐null cells (M9‐KO) created from ovarian cancer cells, we found MMP9 loss did not block Epidermal Growth Factor (EGF)‐driven E‐cadherin dissolution or EMT but delayed and reduced EGF‐driven membrane protrusions. Transient MMP9 re‐expression drove membrane protrusion.
Claire Strauel   +8 more
wiley   +1 more source

Finite element and biomechanical analysis of risk factors for implant failure during tension band plating

open access: yesJournal of International Medical Research, 2020
Objective Tension band plating has recently gained widespread acceptance as a method of correcting angular limb deformities in skeletally immature patients.
Jing Ding   +4 more
doaj   +1 more source

Dynamics Modeling and Tension Control of Composites Winding System Based on ASMC

open access: yesIEEE Access, 2020
Tension is a key processing parameter in the process of composite fiber tape winding. The fluctuation of tension will affect the accuracy of winding and the performance of winding products, such as stress uniformity, fatigue resistance, strength ...
Qi Hong, Yaoyao Shi, Zhen Chen
doaj   +1 more source

Experimental numerical correlation of the delamination of composite structures subjected to low speed impact [PDF]

open access: yes, 2017
In this work, we have analyzed the delamination caused by a low velocity impact on carbon-epoxy laminates made with balanced 0/90 braided fabrics and made by resin infusion. The items have been tested with a fall drop system.
Aretxabaleta, Laurentzi   +5 more
core  

The skills required for transition to university and study in biological sciences: A student perspective

open access: yesFEBS Open Bio, EarlyView.
Bioscience students were asked for their opinions on the value and teaching of skills. 204 responded that teamwork, time management and study skills are necessary to reach University, that scientific writing, research, laboratory and presentation skills are taught effectively during their studies, while other skills are gained inherently through study ...
Janella Borrell, Susan Crennell
wiley   +1 more source

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