Keresés
117 találatból megjelenítve: 1-10
Cím: On q-Poly-Bernoulli Numbers Arising from Combinatorial Interpretations
Szerző: ;
Dátum: 2021
Feltöltve: 2022-09-09
(2021)
In this paper we present several natural q-analogues of the poly-Bernoulli numbers arising in combinatorial contexts. We also recall some relating analytical results and ask for combinatorial interpretations.
Cím: Long-Term Changes of Species Composition and Functional Traits of Epiphytic Diatoms in the Szigetköz Region (Hungary) of the Danube River
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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
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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: Density and Diversity Differences of Contemporary and Subfossil Cladocera Assemblages: A Case Study in an Oxbow Lake
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Dátum: 2022
Feltöltve: 2023-02-14
(2022)
Cladocerans are biological indicators of environmental changes. Their remains provide information on past changes in lake environments. We studied the correspondence between con- temporary Cladocera assemblages and their ...
Cím: Evaluation of the biostimulant effects of two Chlorophyta microalgae on tomato (Solanum lycopersicum)
Szerző: ; ; ;
Dátum: 2022
Feltöltve: 2023-02-14
(2022)
Eukaryotic microalgae from the Chlorophyta division are used in various bio-industries due to their ability to produce high value compounds. Some of these compounds show plant biostimulant properties when applied to plants, ...
Cím: Global coarse-grained mesoscale eddy statistics based on integrated kinetic energy and enstrophy correlations
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Dátum: 2022
Feltöltve: 2023-02-14
(2022)
"Recently, introduced the concept of a "vortex proxy" based on an observation of strong correlations between integrated kinetic energy and integrated enstrophy over a large enough surface area. When mesoscale vortices are ...
Cím: Natural diversity of the honey bee (Apis mellifera) gut bacteriome in various climatic and seasonal states
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Dátum: 2022
Feltöltve: 2023-02-14
(2022)
As pollinators and producers of numerous human-consumed products, honey bees have great ecological, economic and health importance. The composition of their bacteriota, for which the available knowledge is limited, is ...
Cím: Set partitions and non-crossing partitions with l-neighbors and l-isolated elements
Szerző: ; ;
Dátum: 2022
Feltöltve: 2023-02-14
(2022)
In this paper we introduce the notion of an -neighbor element of set partitions, that is, an element a in a block that contains +1 consecutive elements, among which is a . Elements that are not -neighbors are called -isolated ...
Cím: Markov chain analysis of the probability of days in the heat wave period
Szerző:
Dátum: 2022
Feltöltve: 2023-02-14
(2022)
The impact of global climate change is also felt in Hungary. An undesirable effect of climate change (associated with rising temperatures) is mainly the increase in the frequency, intensity, and length of summer heat waves. ...