Autor: Kocurek, P. - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Microstructure and residual stress in AMS 6308 steel after vacuum carburizing and gas quenching
Autorzy:: Dychtoń, K.
Kocurek, P.
Rokicki, P.
Wierzba, B.
Drajewicz, M.
Sieniawski, J.
Tematy:: 81.05.-t
87.64.-t
83.85.-c; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1155056.pdf Link otwiera się w nowym oknie
Opis:: In this work, the vacuum carburizing and gas quenching has been done on gears box made of high strength alloy steel AMS 6308 in four different temperatures. The measurements of hardness was done to evaluate the effective case depth for each temperature. The analysis of retained austenite was presented as a factor which can affect values of residual stress. The residual stresses were measured in Protoi XDR portable diffractometer and the analysis was examined to find influence of temperature and carburizing time on the direction and values of residual stresses.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Removal of pesticides and inorganic pollutants by reverse osmosis
Autorzy:: Šír, M.
Podhola, M.
Patočka, T.
Honzajková, Z.
Kocurek, P.
Bystrianský, M.
Vurm, R.
Kubal, M.
Tematy:: groundwater
groundwater pollution
pesticides
reverse osmosis
water treatment
batch process
chlorinated pesticides
inorganic pollutants
polyamide membranes
wody gruntowe
zanieczyszczenie wód gruntowych
pestycydy
odwrócona osmoza
uzdatnianie wody
proces wsadowy
chlorowane pestycydy
zanieczyszczenia nieorganiczne
membrany poliamidowe; Pokaż więcej
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:: https://bibliotekanauki.pl/articles/207770.pdf Link otwiera się w nowym oknie
Opis:: Contamination of soil and groundwater with pesticides is mainly caused by old ecological burdens. This study focuses on the treatment of groundwater contaminated with chlorinated pesticides. The contaminants mainly include α-HCH, β-HCH, γ-HCH, HCB, DDE, DDD and DDT. Reverse osmosis technology using RO98pHt polyamide membranes was used to remove the pollutants under batch process conditions. The observed rate of removal ranged from 98.4% to 99.7%. Total dissolved content solids decreased from 1.35 g/dm3 to below 0.05 g/dm3.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Mobility of interacting inorganic nanoparticles
Autorzy:: Dziedzic-Kocurek, K.
Fornal, P.
Stanek, J.
Tematy:: dynamic light scattering
hematite nanoparticles
mobility
Mössbauer spectroscopy
viscosity; Pokaż więcej
Wydawca:: Instytut Chemii i Techniki Jądrowej
Powiązania:: https://bibliotekanauki.pl/articles/146259.pdf Link otwiera się w nowym oknie
Opis:: The mobility of the 110 nm-Fe2O3 particles in a viscous sucrose solution depends on the concentration of the nanoparticles. When the average particle–particle nearest neighbor distance is less than 250 nm, the particle interaction slows down their mobility. When is more than 170 nm, the small mobility of nanoparticles does not depend on their concentration. The critical distance is approximately equal to 2Rh = 260 nm, where Rh is the hydrodynamic radius, determined by the dynamic light scattering (DLS) method.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Frictionless mobility of submicron particles in model viscid fluid
Autorzy:: Dziedzic-Kocurek, Katarzyna
Stanek, Jan
Fornal, P.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 5.

Tytuł:: Vacuum mammotomy under ultrasound guidance
Autorzy:: Anioł, J.
Herman, K.
Kocurek, A.
Skotnicki, P.
Łuczyńska, E.
Pawlik, T.
Opis:: Background: Breast ultrasound is a non-invasive method of breast examination. You can use it also for fine needle biopsy, core needle biopsy, vacuum mammotomy and for placing the "wire" before open surgical biopsy. Material/Methods: 106 patients (105 women and 1 man) aged 20-71 years (mean age 46.9) were treated in Cancer Institute in Cracow by vacuum mammotomy under ultrasound guidance. The lesions found in ultrasonography were divided into three groups: benign lesions (BI RADS II), ambiguous lesions (BI RADS 0, III and IVa), and suspicious lesions (BI RADS IV B, IV C and V). Then lesions were qualified to vacuum mammotomy. Results: According to USG, fibroadenoma or "fibroadenoma-like" lesions were found in 75 women, in 6 women complicated cysts, in 6 women cyst with dense fluid (to differentiate with FA), and in 19 patients undefined lesions. Fibroadenoma was confirmed in histopathology in 74% patients among patients with fibroadenoma or "fibroadenoma-like" lesions in ultrasound (in others also benign lesions were found). Among lesions undefined after ultrasound examination (total 27 patients) cancer was confirmed in 6 % (DCIS and IDC). In 6 patients with complicated cysts in ultrasound examination, histopathology confirmed fibroadenoma in 4 women, an intraductal lesion in 1 woman and inflamatory process in 1 woman. Also in 6 women with a dense cyst or fibroadenoma seen in ultrasound, histopathology confirmed fibroadenoma in 3 women and fibrosclerosis in 3 women. Conclusions: Any breast lesions undefined or suspicious after ultrasound examination should be verified. The method of verification or kind of operation of the whole lesion (vacuum mammotomy or "wire") depends on many factors, for example: lesion localization; lesion size; BI RADS category.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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Skocz do pozycji: 6.

Tytuł:: Defective iron-oxide nanoparticles synthesised by high temperature plasma processing : a magnetic characterisation versus temperature
Autorzy:: Gioacchino, D. Di
Joseph, B.
Mukherjee, S.
Orpe, P. B.
Stanek, Jan
Dziedzic-Kocurek, Katarzyna
Balasubramanian, C.
Marcelli, A.
Saini, N. L.
Opis:: Magnetic properties and phase compositions of iron-oxide nanoparticles synthesised by a high temperature arc plasma route have been investigated by Mössbauer spectroscopy and high harmonic magnetic AC susceptibility measurements, and correlated with morphological and structural properties for different synthesis conditions. The Mössbauer spectra precisely determined the presence of different iron-oxide fractions in the investigated nanoparticles, while the high harmonic magnetic susceptibility measurements revealed the occurrence of metastable magnetic phases evolving in temperature and time. This study illustrates magnetic properties and dynamics of the magnetic configurations of iron-oxide nanoparticles grown by high temperature plasma, a process less explored so far but extremely useful for synthesising large numbers of nanoparticles for industrial applications.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

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