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Article
Open AccessMultidisciplinary management of acute cholecystitis during the COVID-19 pandemic
The coronavirus disease 2019 pandemic had a major impact on most medical services. Our aim was to assess the outcome of acute cholecystitis during the nationwide lockdown period. All patients admitted to our e...
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Article
TDCS calculations for the ionization of H2 by electron impact
Triple differential cross sections (TDCSs) are calculated for the ionization of the hydrogen molecule by electron impact with asymmetric and symmetric kinematical configuration, respectively in coplanar arrang...
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Article
Triple differential cross sections for the ionization of water by electron and positron impact
Triple differential cross section calculations for the ionization of several valence orbitals of the water molecule by electron and positron impact are reported. We found a very good agreement with the experi...
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Article
Open AccessDetermination of Rat 5α-Reductase Type 1 Isozyme Activity and Its Inhibition by Novel Steroidal Oxazolines
The 5α-reductase type 1 isozyme is a key enzyme in the metabolism of the androgen steroid hormones and inhibitors of this enzyme represent a new pharmacological treatment for several androgen dependent disease...
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Article
Characterisation of verotoxin-producing Escherichia coli strains isolated from human patients in Hungary over a 7-year period
The purpose of this study was to characterise verotoxigenic Escherichia coli (VTEC) strains isolated in Hungary from 2000 to 2006. Altogether, 33 human VTEC strains were investigated to define the O:H antigens, v...
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Chapter and Conference Paper
(Ni, Zn, Sn) Ru and (Ni, Sn) Sn substituted barium ferrite prepared by mechanical alloying
NiRu, ZnRu, SnRu and SnSn mixtures considerably improved the saturation magnetization, Ms with low substitution values; diminishing quickly at the same times the coercivity, H ci to suitable val...
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Article
Electron impact ionization of diatomic molecules
Cross sections for the ionization of N2, CO and O2 diatomic molecules by electron impact are calculated. The applied distorted wave model is based on our previous studies for positron impact, the molecular orbita...
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Article
(Ni, Zn, Sn) Ru and (Ni, Sn) Sn substituted barium ferrite prepared by mechanical alloying
NiRu, ZnRu, SnRu and SnSn mixtures considerably improved the saturation magnetization, Ms with low substitution values; diminishing quickly at the same times the coercivity, H ci to suitab...
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Chapter and Conference Paper
La-Zn Substituted Hexaferrites Prepared by Chemical Method
La-Zn substituted M-type Ba hexaferrite powders were prepared by sol-gel (Mx) and organometallic precursor (Sk) methods with Fe/Ba ratio of 11.6 and 10.8, respectively. The compositions (LaZn)xBa1−x ...
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Article
The influence of ball-milling on structural and magnetic properties of Co-based powders
The melt-spun Co- and Fe-based amorphous alloys have been investigated extensively for applications in magnetic devices, which require magnetically soft materials. Although these alloys exhibit excellent soft ...
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Article
La–Zn Substituted Hexaferrites Prepared by Chemical Method
La–Zn substituted M-type Ba hexaferrite powders were prepared by sol-gel (Mx) and organometallic precursor (Sk) methods with Fe/Ba ratio of 11.6 and 10.8, respectively. The compositions (LaZn) x
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Article
CVP does not reflect changes in preload when optimal PEEP is determined
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Chapter
Cems Measurement of Surface Hardening of Toothed Wheels
Surface hardening is one of the final steps in production of toothed wheels. It is done by bombardment of the tooth surface in two steps: 1) by glass balls and 2) by steel balls. A search goes on after a relia...
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Chapter
Application of Mössbauer Spectroscopy and Positron Annihilation Spectroscopy For Testing Of Neutron-Irradiated Reactor Steels
The study is focused on the application of Mössbauer spectroscopy (MS) and positron annihilation spectroscopy (PAS) in the evaluation of the microstructure parameters of materials used in nuclear industry. The...
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Article
Application of Mössbauer spectroscopy in phase analysis of corrosion products from nuclear power plants
Magnetic phases of corrosion products from nuclear power plant WWER-440 (Jaslovské Bohunice) steam generators and secondary circuit pipes were investigated using transmission Mössbauer spectroscopy technique.
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Article
Interaction of Montmorillonite with Maltol
The sorption of maltol (3-hydroxy-2-methyl-4-pyrone) by Fe-montmorillonite from aqueous solutions is pH dependent. IR and Mössbauer spectroscopy indicate bonding of maltol oxygen ligands to the interlayer Fe(I...
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Article
Mössbauer study of slovak brown coal
In the present contribution, the results of Mössbauer analyses of three types of Slovak brown coal are presented. Electron microscopy and X-ray photoelectron spectroscopy were used as supplementary techniques....
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Article
In vitro inhibition of testicular Δ5-3β-hydroxysteroid dehydrogenase and prostatic 5α-reductase activities in rats and humans by strogen forte extract
Clinical findings indicate that Strogen forte (a standardized extract of the plantSabalis serrulata) can be used successfully in the medical treatment of benign prostatic hyperplasia. The aim of the present study...
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Chapter
Models for Supported Aqueous-Phase Catalysis
Immobilized homogeneous catalysts constitute a class of catalysts,which attempt to combine the merits of classical homogeneous and heterogeneous catalysts, i.e. high selectivities and mild reaction conditions ...
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Article
Adenomatous leydig cell hyperplasia of the testicle remnant after subtotal orchidectomy in the rat
Subtotal orchidectomy is a suitable method to induce adenomatous Leydig cell hyperplasia in the testicular remnant without irradiation or toxic chemicals. Very expressed hyperplasia of the smooth endoplasmic r...
