Results 111 to 120 of about 1,136,729 (287)

The Management of the Industrial Maintenance at an International Level (II) [PDF]

open access: yes
When defining a maintenance policy, it must be held in mind the fact that there isn’t such a thing like “good maintenance policy” in itself; instead, for each industrial equipment should be adapted a particular maintenance method, coming to a technical ...
Constantin BAGU   +3 more
core  

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Modeling Safety Interventions In Maintenance Operations [PDF]

open access: yesAnnals of the University of Petroşani. Mechanical Engineering
Maintenance work and service provision in the field are becoming increasingly important both for service providers and for equipment manufacturers, as after-sales services. At the same time, maintenance encounters safety-related problems, which require a
Roland Iosif Moraru
doaj  

A Dynamic Prescriptive Maintenance Model Considering System Aging and Degradation

open access: yesIEEE Access, 2019
This paper develops a dynamic maintenance strategy for a system subject to aging and degradation. The influence of degradation level and aging on system failure rate is modeled in an additive way. Based on the observed degradation level at the inspection,
Bin Liu   +3 more
doaj   +1 more source

Exploring Code Clones in Programmable Logic Controller Software

open access: yes, 2017
The reuse of code fragments by copying and pasting is widely practiced in software development and results in code clones. Cloning is considered an anti-pattern as it negatively affects program correctness and increases maintenance efforts.
Egyed, Alexander   +3 more
core   +1 more source

Enhancing CoFe Catalysts with V2CTX MXene‐Derived Materials for Anion Exchange Membrane Electrolyzers

open access: yesAdvanced Functional Materials, EarlyView.
MXene dervied CoFe composites show increased initial Oxygen Evolution Reaction (OER) activity compared to the pure CoFe and MXene in an Anion Exchange Membrane device. Vanadium vacancies in the MXene plays a role in increased OER activity and hinders Fe leaching in the AEM device over using the pure V2C MXene as a support material for the CoFe ...
Can Kaplan   +16 more
wiley   +1 more source

The Modern Approach to Industrial Maintenance Management [PDF]

open access: yes
The maintenance activity isn’t a purpose in itself, it’s a necessity of which "the production suffers" and the financial agent “considers too expensiveâ€.
Constantin BAGU   +3 more
core  

Engineering Porous Hollow Metal‐Poly(Heptazine Imide) Spheres: An Optimized Synthetic Strategy for Controlling Surface, Morphology, and Properties

open access: yesAdvanced Functional Materials, EarlyView.
Hollow poly(heptazine imide) spheres are prepared through a novel approach that integrates hard templating with ionothermal synthesis. This method enables precise control over surface area, pore volume, hydrophilicity, light absorption, band position, and metal composition. These tunable properties facilitate the customized design of semiconductors for
Lingli Ni   +10 more
wiley   +1 more source

All‐in‐One Analog AI Hardware: On‐Chip Training and Inference with Conductive‐Metal‐Oxide/HfOx ReRAM Devices

open access: yesAdvanced Functional Materials, EarlyView.
An all‐in‐one analog AI accelerator is presented, enabling on‐chip training, weight retention, and long‐term inference acceleration. It leverages a BEOL‐integrated CMO/HfOx ReRAM array with low‐voltage operation (<1.5 V), multi‐bit capability over 32 states, low programming noise (10 nS), and near‐ideal weight transfer.
Donato Francesco Falcone   +11 more
wiley   +1 more source

A Periodicity Metric for Assessing Maintenance Strategies [PDF]

open access: yes, 2009
Organised by: Cranfield UniversityThe maintenance policy in manufacturing systems is devised to reset the machines functionality in an economical fashion in order to keep the products quality within acceptable levels.
ElMaraghy, H. A.   +2 more
core  

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