Diastolic dysfunction is a contributing factor to exercise intolerance in COPD

…, V Vértes, Á Nógrádi, N Varga, MB Illés… - COPD: Journal of …, 2016 - Taylor & Francis
… 6MWT distance was 330 ± 76 m. LV diastolic dysfunction was found in 48 (74%) patients.
LV and RV filling pressures were elevated in 28 (43%) and in 29 (45%) patients, respectively. …

[HTML][HTML] Monitoring multi-respiratory indices via a smart nanofibrous mask filter based on a triboelectric nanogenerator

H He, J Guo, B Illés, A Géczy, B Istók, V Hliva, D Török… - Nano Energy, 2021 - Elsevier
… the 40/80/120 min_PAN nanofiber layers are 0.38 g/m 2 , 0.67 g/m 2 and 0.88 g/m 2 ; while
40/80/120 min_PVDF layers have the area density of 2.11 g/m 2 , 3.04 g/m 2 and 3.88 g/m 2 . …

[HTML][HTML] Numerical simulation of electrochemical migration of Cu based on the Nernst-Plank equation

B Illés, B Medgyes, K Dušek, D Bušek… - International Journal of …, 2022 - Elsevier
… [F/m], and ρ is the surface charge density [C/m 2 ]. Microscopic electroneutrality of the
medium is supposed, which results in quantitatively that ρ is zero [19], that derives the Possion's …

[HTML][HTML] Electrochemical corrosion of SAC alloys: A review

A Gharaibeh, I Felhősi, Z Keresztes, G Harsányi, B Illés… - Metals, 2020 - mdpi.com
Tin–silver–copper (SAC) solder alloys are the most promising candidates to replace Sn–Pb
solder alloys. However, their application is still facing several challenges; one example is the …

[HTML][HTML] Extraction of pure Co, Ni, Mn, and Fe compounds from spent Li-ion batteries by reductive leaching and combined oxidative precipitation in chloride media

IB Illés, T Kékesi - Minerals Engineering, 2023 - Elsevier
… the 1 – 10 M HCl concentration and the 25 – 95 C temperature ranges. A minimum of 2 M
HCl … By increasing the HCl concentration to 6 M, the leaching time could be halved. The NMC …

PET-CT imaging and reality

Z Baliko, V Sarosi, MB Illes, Z Varga… - Pathology & Oncology …, 2011 - Springer
The spectrum of human diseases caused by members of the Aspergillus genus is extensive.
It ranges from allergic reactions to colonization of preexisting pulmonary cavities to invasion …

Numerical study of the gas flow velocity space in convection reflow oven

B Illés, I Bakó - International Journal of Heat and Mass Transfer, 2014 - Elsevier
In this paper, numerical study of the gas flow velocity space is presented in a convection type
reflow oven. Convection reflow ovens usually apply the nozzle-matrix heater system which …

Distribution of the heat transfer coefficient in convection reflow oven

B Illés - Applied Thermal Engineering, 2010 - Elsevier
Nowadays reflow ovens apply forced convection heating with nozzle-matrix blower system
which generates numerous heater gas streams. In these types of ovens the heat transfer …

Heating characteristics of convection reflow ovens

B Illés, G Harsányi - Applied Thermal Engineering, 2009 - Elsevier
The inhomogeneous temperature distribution in the reflow oven can cause soldering failures.
In this project, we investigate how the construction of a convection reflow oven has an …

Investigating the dynamic changes of the vapour concentration in a Vapour Phase Soldering oven by simplified condensation modelling

B Illés, A Géczy - Applied Thermal Engineering, 2013 - Elsevier
… /m K], ρ is the density [kg/m 3 ] and C S is the specific heat capacity [J/kg K]. During the
condensation, the phase change generates mass transport at the vapour–condensate boundary. …