Results 11 to 20 of about 10,500,411 (340)

In-situ polymerized siloxane urea enhanced graphene-based super-fast, durable, all-weather elec-photo-thermal anti-/de-icing coating

open access: yesJournal of Science: Advanced Materials and Devices, 2023
Ice accumulation is a pervasive natural phenomenon that exerts a severe and catastrophic impact on a broad range of social systems. Previous investigations on anti-/de-icing techniques have primarily focused on mild laboratory conditions, which have ...
Jun Chen   +3 more
doaj   +1 more source

Web engineering security: essential elements [PDF]

open access: yes, 2007
Security is an elusive target in today’s high-speed and extremely complex, Web enabled, information rich business environment. This paper presents the idea that there are essential, basic organizational elements that need to be identified, defined and ...
Glisson, W.B., Welland, R.
core   +1 more source

On Waviness and Two-Sided Surface Features in Thermal Elastohydrodynamically Lubricated Line Contacts

open access: yesLubricants, 2020
Machine components are designed to endure increasingly severe operating conditions due to the strive for improved energy efficiency of mechanical systems.
Tobias Hultqvist   +3 more
doaj   +1 more source

Lubricant film formation in rough surface non-conformal conjunctions subjected to GPa pressures and high slide-to-roll ratios

open access: yesScientific Reports, 2020
A ball-on-disc machine was employed in a highly idealised setting to study the interplay between oil film formation and surface irregularities in single-sided rough elasto-hydrodynamic lubricated (EHL) conjunctions.
Jonny Hansen   +2 more
doaj   +1 more source

Uncovering elements of style [PDF]

open access: yes, 2011
This paper relates the style of 16th century Flemish paintings by Goossen van der Weyden (GvdW) to the style of preliminary sketches or underpaintings made prior to executing the painting.
Calderbank, Robert   +4 more
core   +1 more source

A Stress-State-Dependent Thermo-Mechanical Wear Model for Micro-Scale Contacts

open access: yesLubricants, 2022
Wear is a complex phenomenon that depends on the properties of materials and their surfaces, as well as the operating conditions and the surrounding atmosphere.
Jamal Choudhry   +2 more
doaj   +1 more source

P-Adaptive Boundary Elements [PDF]

open access: yes, 1986
This paper presents the implementation of an adaptive philosophy to plane potential problems, using the direct boundary element method. After some considerations about the state of the art and a discussion of the standard approach features, the ...
Alarcón Álvarez, Enrique, Reverter, A.
core   +2 more sources

Readily Accessible M-Ferrocenyl-Phenyl Sulfonate as Novel Cathodic Electrolyte for Aqueous Organic Redox Flow Batteries

open access: yesBatteries, 2023
Ferrocene derivatives are amongst the most promising electroactive organic electrolytes. The bottleneck problems of their application in aqueous redox flow batteries are their poor solubility and lower potential as well as the complexity of the ...
Dawei Fang   +7 more
doaj   +1 more source

Applications of Modern Technologies in the Production of Aircraft Propeller Prototype

open access: yesCommunications, 2017
In the field of engineering relatively new designs and manufacturing processes are constantly emerging. These changes are often seen in designing and manufacturing of prototypes or in single part production.
Marek Bistak   +10 more
doaj   +1 more source

Mineral-and-energy clusters of the Russian Аrctic and prospects for expanding the outer boundary of its continental shelf

open access: yesРуды и металлы, 2022
The project of organizing mineral-and-energy clusters with spatial conjugation of deposits of solid minerals (SM) and hydrocarbons (HC) localized on the continental margin and shelf of the Arctic zone of the Russian Federation is substantiated.
Alexander A. Kremenetsky   +3 more
doaj   +1 more source

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