Results 11 to 20 of about 2,145,027 (259)

Digitalized Evaluation of Welder Skill by using Cyclogram Characteristics [PDF]

open access: yesMATEC Web of Conferences, 2019
This paper proposes a new evaluation method for welder skill in Gas Metal Arc Welding (GMAW) process in term of studying the natural hand-movement that affect the signal processing.
Kuoch Seamkong   +2 more
doaj   +1 more source

Selection of Welding Process for Repairing Shredder Hammer by Integrated Data Envelopment Analysis (DEA) and P-robust Technique [PDF]

open access: yesMATEC Web of Conferences, 2019
The Selection of the welding process is one of the most significant decision-making problems, and it involves a wide range of information following the type of product.
Wisnu Wardana Rahmad   +2 more
doaj   +1 more source

The β2-Subunit of Voltage-Gated Calcium Channels Regulates Cardiomyocyte Hypertrophy

open access: yesFrontiers in Cardiovascular Medicine, 2021
L-type voltage-gated calcium channels (LTCCs) regulate crucial physiological processes in the heart. They are composed of the Cavα1 pore-forming subunit and the accessory subunits Cavβ, Cavα2δ, and Cavγ. Cavβ is a cytosolic protein that regulates channel
Simone Pickel   +17 more
doaj   +1 more source

Synthesis of TiO2 Nanotube in TI-10Ta-10Nb Thin Film by Anodization

open access: yesInternational Journal of Technology, 2014
The purpose of this research was to study the synthesis of TiO2 nanotubes on Ti-10Ta-10Nb thin film and the effect of applied potential on the tube size, length and morphology.
Ahmad Ivan Karayan   +2 more
doaj   +1 more source

Cavitation Damage Prediction of Stainless Steels Using an Artificial Neural Network Approach

open access: yesMetals, 2019
Cavitation damage has not been well predicted because of its complex relationship of many mechanical and microstructural factors. An artificial neural network approach of the back-propagation network was used to predict cavitation damage of stainless ...
Guiyan Gao   +4 more
doaj   +1 more source

Failure mechanism analysis and process improvement on time-dependent dielectric breakdown of Cu/ultra-low-k dielectric based on complementary Raman and FTIR spectroscopy study

open access: yesAIP Advances, 2014
Time-dependent dielectric breakdown (TDDB) is one of the most important reliability issues in Cu/low-k technology development. With continuous technology scalings to nanometer scales, TDDB issue is further exacerbated.
Dan Dan Wang   +5 more
doaj   +1 more source

Impact of non-cardiovascular comorbidities on the quality of life of patients with chronic heart failure: a scoping review

open access: yesHealth and Quality of Life Outcomes, 2020
Purpose To determine the impact of non-cardiovascular comorbidities on the health-related quality of life (HRQoL) of patients with chronic heart failure (CHF).
Josep Comín-Colet   +4 more
doaj   +1 more source

Condition Monitoring of Internal Combustion Engines in Thermal Power Plants Based on Control Charts and Adapted Nelson Rules

open access: yesEnergies, 2021
In thermal power plants, the internal combustion engines are constantly subjected to stresses, requiring a continuous monitoring system in order to check their operating conditions. However, most of the time, these monitoring systems only indicate if the
Fernanda Mitchelly Vilas Boas   +12 more
doaj   +1 more source

Contact Fatigue Behavior Evolution of 18CrNiMo7-6 Gear Steel Based on Surface Integrity

open access: yesMetals, 2023
In this work, the surface integrity (surface morphology, microstructure, microhardness, residual stress) of contact fatigue (CF) samples with different numbers of running cycles was comprehensively studied.
Luji Wu   +4 more
doaj   +1 more source

Electrical Evaluation of Oil-Immersed Power Transformers Based on Temporal Variations in Performance Index and Reliability

open access: yesAdvances in Electrical and Computer Engineering, 2023
In electrical systems, power transformer failure prediction is a strategic procedure aimed at ensuring the uninterrupted delivery of electricity. In this context, companies of electricity employ predictive maintenance techniques to evaluate the status ...
DIAS, Y.   +3 more
doaj   +1 more source

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