Results 31 to 40 of about 5,878,733 (293)

Performance of screening for aneuploidies by cell-free DNA analysis of maternal blood in twin pregnancies [PDF]

open access: yes, 2015
Objectives To report clinical implementation of cell‐free DNA (cfDNA) analysis of maternal blood in screening for trisomies 21, 18 and 13 in twin pregnancies and examine variables that could influence the failure rate of the test.
BEVILACQUA, ELISA   +7 more
core   +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

Risk factors for failure of outpatient parenteral antibiotic therapy (OPAT) in infective endocarditis [PDF]

open access: yes, 2013
Objectives: To identify risk factors for failure of outpatient antibiotic therapy (OPAT) in infective endocarditis (IE). Patients and methods: We identified IE cases managed at a single centre over 12 years from a prospectively maintained database. ‘
Barr, D. A.   +5 more
core   +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

VDS and VGS Depolarization Effect on SiC MOSFET Short-Circuit Withstand Capability Considering Partial Safe Failure-Mode

open access: yesEnergies, 2021
This paper presents a detailed analysis of 1200 V Silicon Carbide (SiC) power MOSFET exhibiting different short-circuit failure mechanisms and improvement in reliability by VDS and VGS depolarization.
Yazan Barazi   +3 more
doaj   +1 more source

PERENCANAAN SISTEM PERAWATAN MESIN DENGAN MENGGUNAKAN METODE RELIABILITY CENTERED MAINTENANCE (RCM) PADA PT. INDOPHERIN JAYA, PROBOLINGGO [PDF]

open access: yes, 2023
The study aimed to identify the right preventive care for corrective treatment formerly used in the company. When the production process, the breakdown of the production of frequently caused by the production process operating 24 hours, and led to ...
Pratama, Riski Putra
core  

Summary Statement on Cardiopulmonary Exercise Testing in Chronic Heart Failure due to Left Ventricular Dysfunction Recommendations for Performance and Interpretation

open access: yesMonaldi Archives for Chest Disease, 2016
Cardiopulmonary exercise testing (CPET) is a non-invasive tool that provides the physician with relevant information to assess the integrated response to exercise involving pulmonary, cardiovascular, haematopoietic, neuro-psychological, and skeletal ...
Ugo Corrà, Massimo F. Piepoli
doaj   +1 more source

Probabilistic Model-Based Safety Analysis

open access: yes, 2010
Model-based safety analysis approaches aim at finding critical failure combinations by analysis of models of the whole system (i.e. software, hardware, failure modes and environment).
Alessandra Di Pierro   +45 more
core   +2 more sources

Polar Codes with exponentially small error at finite block length [PDF]

open access: yes, 2018
We show that the entire class of polar codes (up to a natural necessary condition) converge to capacity at block lengths polynomial in the gap to capacity, while simultaneously achieving failure probabilities that are exponentially small in the block ...
Błasiok, Jarosław   +2 more
core   +2 more sources

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