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Annette Forro,Georgios Tsousis,Nicola Beindorff,Ahmad Reza Sharifi,Christos Brozos,Heinrich Bollwein 대한수의학회 2015 Journal of Veterinary Science Vol.16 No.1
The objective of this study was to investigate factors that influence the success of resynchronization protocols for bovines with and withoutprogesterone supplementation. Cow synchronized and not found pregnant were randomly assigned to two resynchronization protocols:ovsynch without progesterone (P4) supplementation (n = 66) or with exogenous P4 administered from Days 0 to 7 (n = 67). Progesteronelevels were measured on Days 0 and 7 of these protocols as well as 4 and 5 days post-insemination. Progesterone supplementation raised theP4 levels on Day 7 (p < 0.05), but had no overall effect on resynchronization rates (RRs) or pregnancy per artificial insemination (P/AI). However, cows with Body Condition Score (BCS) > 3.5 had increased P/AI values while cows with BCS < 2.75 had decreased P/AI ratesafter P4 supplementation. Primiparous cows had higher P4 values on Day 7 than pluriparous animals (p = 0.04) and tended to have higherRRs (p = 0.06). Results of this study indicate that progesterone supplementation in resynchronization protocols has minimal effects onoutcomes. Parity had an effect on the levels of circulating progesterone at initiation of the protocol, which in turn influenced the RR.
FOREGROUND OF GAMMA-RAY BURSTS (GRBS) FROM AKARI FIS DATA
L. Viktor Toth,YASUO DOI,SAROLTA ZAHORECZ,Marton Agas,LAJOS G. BALAZS,Adrienn Forro,Istvan I. Racz 한국천문학회 2017 天文學論叢 Vol.32 No.1
A significant number of the parameters of a gamma-ray burst (GRB) and its host galaxy are calculated from the afterglow. There are various methods obtaining extinction values for the necessary correction for galactic foreground. These are: galaxy counts, from HI 21 cm surveys, from spectroscopic measurements and colors of nearby Galactic stars, or using extinction maps calculated from infrared surveys towards the GRB. We demonstrate that \textit{AKARI} Far-Infrared Surveyor sky surface brightness maps are useful uncovering the fine structure of the galactic foreground of GRBs. Galactic cirrus structures of a number of GRBs are calculated with a 2 arcminute resolution, and the results are compared to that of other methods.
Aroutiounian, Vladimir M.,Arakelyan, Valeri M.,Shahnazaryan, Gohar E.,Aleksanyan, Mikayel S.,Hernadi, Klara,Nemeth, Zoltan,Berki, Peter,Papa, Zsuzsanna,Toth, Zsolt,Forro, Laszlo Techno-Press 2015 Advances in nano research Vol.3 No.1
Thin film ethanol sensors made from ${\alpha}-Fe_2O_3$ decorated with multiwall carbon nanotubes(MWCNTs) were manufactured by the electron beam deposition method. The morphology of the decorated ${\alpha}-Fe_2O_3$/MWCNTs (25:1 weight ratios) nanocomposite powder was investigated using the scanning electron microscopy and X-ray diffraction techniques. The thickness of thin films has been determined from ellipsometric measurements. The response of manufactured sensors was investigated at different temperatures of the sensor work body and concentration of gas vapors. Good response of prepared sensors to ethanol vapors already at work body temperature of $150^{\circ}C$ was shown.