Keresés
20 találatból megjelenítve: 1-10
Cím: The clustering of gamma-ray bursts in the Hercules–Corona Borealis Great Wall: the largest structure in the Universe?
Szerző: ; ; ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-07-14
(2020)
The Hercules–Corona Borealis Great Wall is a statistically significant clustering of gamma-ray bursts (GRBs) around redshift 2. Motivated by recent theoretical results indicating that a maximal Universal structure size may ...
Cím: Temperature Dependence of NaI(Tl) Radiation Scintillation Detectors’ Characteristics
Szerző: ; ;
Dátum: 2020
Feltöltve: 2023-04-12
(2020)
Scintillators belong to the oldest types of radiati on detectors. Nowadays, for spectrometric purposes the use of semiconductive detectors is more common, but scintillation detectors are still in use for various specific ...
Cím: An Experimental Investigation of Ultraweak Photon Emission from Adult Murine Neural Stem Cells
Szerző: ; ; ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-04-14
(2020)
Neurons like other living cells may have ultraweak photon emission (UPE) during neuronal activity. This study is aimed to evaluate UPE from neural stem cells (NSC) during their serial passaging and differentiation. We also ...
Cím: Long-Term Changes of Species Composition and Functional Traits of Epiphytic Diatoms in the Szigetköz Region (Hungary) of the Danube River
Szerző: ; ; ; ; ; ; ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-15
(2020)
Here we report the results of our decades-long study on epiphytic communities from two tributary systems of the Szigetkoz section of the Danube River. The main goal of the investigation was to detect changes in the epiphytic ...
Cím: New observations about the fertilisation capacity and latency time of sperm inseminated into the ovary of African catfish (Clarias gariepinus), an oviparous modelfish
Szerző: ; ; ; ; ; ; ; ; ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-15
(2020)
"In our former study, we proved that sperm injected into the ovary by catheter through the oviduct 10-12 h before hormonally induced ovulation, retains its fertilizing capacity for several hours. Using this method, we ...
Cím: Cell Size Decrease and Altered Size Structure of Phytoplankton Constrain Ecosystem Functioning in the Middle Danube River Over Multiple Decades
Szerző: ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-15
(2020)
Reduced body size is among the universal ecological responses to global warming. Our knowledge on how altered body size affects ecosystem functioning in ectothermic aquatic organisms is still limited. We analysed trends ...
Cím: Use of Diatoms in Monitoring the Sakarya River Basin, Turkey
Szerző: ; ; ; ; ; ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-15
(2020)
The Sakarya River basin is one of the largest basins in Turkey, and encompasses the Kocaeli, Duzce, Sakarya, Bursa, Bilecik, Bolu, Kutahya, Eskisehir, Ankara, Afyon, and Konya provinces. In this study, the water quality ...
Cím: Insight Into the Hidden Bacterial Diversity of Lake Balaton, Hungary
Szerző: ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-15
(2020)
In the present study, the prokaryotic community structure of the water of Lake Balaton was investigated at the littoral region of three different points (Tihany, Balatonmariafurdo and Keszthely) by cultivation independent ...
Cím: Effect of Land Use on the Benthic Diatom Community of the Danube River in the Region of Budapest
Szerző: ; ; ; ; ; ; ; ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-16
(2020)
Urbanization significantly influences the ecosystems of rivers in various ways, including the so-called loading e ff ect of wastewater production. Benthic diatoms are used in ecological status assessments of waters. Beside ...
Cím: NDVI as a Proxy for Estimating Sedimentation and Vegetation Spread in Artificial Lakes—Monitoring of Spatial and Temporal Changes by Using Satellite Images Overarching Three Decades
Szerző: ; ; ; ;
Dátum: 2020
Feltöltve: 2023-02-16
(2020)
Observing wetland areas and monitoring changes are crucial to understand hydrological and ecological processes. Sedimentation-induced vegetation spread is a typical process in the succession of lakes endangering these ...