Results 11 to 20 of about 726,918 (272)

Interaction of weak shock waves with highly porous materials [PDF]

open access: yesE3S Web of Conferences, 2023
The paper presents the results of an experimental study of the interaction of weak shock waves with two types of highly porous materials: cellular porous nickel and mesh packets.
Mironov Sergey   +3 more
doaj   +1 more source

Roughness Assessment for Machined Surfaces in Turning Operation Using Neural Network [PDF]

open access: yesEngineering and Technology Journal, 2014
Feed forward artificial neural network has been applied to predict the quality of turned surfaces for two types of coated carbide inserts. Four networks were proposed for each insert.
Mohanned M.H. AL-Khafaji   +2 more
doaj   +1 more source

Ejection Forces and Friction Coefficients from Injection Molding Experiments Using Rapid Tooling Inserts [PDF]

open access: yes, 2004
Experiments have been performed with injection mold inserts made using solid freeform fabrication processes in an effort to further study such applications for economic production of small quantities of parts.
Carpenter, B.   +3 more
core   +1 more source

Alternative splicing at neuroligin site A regulates glycan interaction and synaptogenic activity

open access: yeseLife, 2020
Post-transcriptional mechanisms regulating cell surface synaptic organizing complexes that control the properties of connections in brain circuits are poorly understood.
Shinichiro Oku   +8 more
doaj   +1 more source

Experimental Investigations in Circular Tube to Enhance Turbulent Heat Transfer Using Various Types of Twisted Tape Insert [PDF]

open access: yesEngineering and Technology Journal, 2011
This work shows the results obtained from experimental investigations of the augmentation of turbulent flow heat transfer in a horizontal tube by means of twisted tape inserts.
Akeel Abdullah Mohammed, Ameer A. Jadoaa
doaj   +1 more source

Are life-extending treatments for terminal illnesses a special case? Exploring choices and societal viewpoints [PDF]

open access: yes, 2018
Criteria used by the National Institute for Health and Care Excellence (NICE) to assess life-extending, end-of-life (EoL) treatments imply that health gains from such treatments are valued more than other health gains.
Baker, Rachel   +6 more
core   +4 more sources

Mechanical Performance Analysis of Four-Ram BOP Suspension Ram Slip Insert

open access: yesShiyou jixie, 2022
In the process of ram suspension of four-ram BOP,a great stress concentration occurs,resulting in the problems of slip insert wearing or chipping.On the basis of meeting the required working performance of the suspension ram,the slip insert opening ...
Pan Deng   +4 more
doaj  

Load-deflection and surface properties of coated and conventional superelastic orthodontic archwires in conventional and metal-insert ceramic brackets

open access: yesDental Research Journal, 2012
Background: Properties of coated archwires, which have been introduced for esthetic demands during orthodontic treatments, along with the use of tooth-colored brackets, are not clear.
Shiva Alavi, Navid Hosseini
doaj   +1 more source

Patterning of Surfaces for Subsequent Roll Bonding in a Low-Oxygen Environment Using Deformable Mesh Inlays

open access: yesJournal of Manufacturing and Materials Processing, 2023
Efficient roll bonding for the manufacturing of clad strips not only requires surface activation but also is improved by a surface patterning to reduce the initial contact area.
Yaroslav Frolov   +3 more
doaj   +1 more source

Masking mode of functioning of a slot coupling element

open access: yesВісник Харківського національногоуніверситету імені В.Н. Каразіна. Серія: Радіофізика та електроніка, 2023
Relevance. The problems of masking, hiding or reducing the visibility of material objects in various ranges of electromagnetic waves are of great importance at the present time.
N.K. Blinova   +2 more
doaj   +1 more source

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