Keresés
175 találatból megjelenítve: 81-90
Cím: Mixed Coloured Permutations
Szerző: ;
Dátum: 2020
Feltöltve: 2023-02-16
(2020)
In this paper, we introduce mixed coloured permutations, permutations with certain coloured cycles, and study the enumerative properties of these combinatorial objects. We derive the generating function, closed forms, ...
Cím: Use of Diatoms in Monitoring the Sakarya River Basin, Turkey
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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: 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: Cultivation and Molecular Studies to Reveal the Microbial Communities of Groundwaters Discharge Located in Hungary
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Dátum: 2021
Feltöltve: 2023-02-15
(2021)
"In the present study 12 water samples of five sampling sites (Tatabánya, Dandár, Szentendre,Szent Flórián and Ciprián groundwaters) known as nutrient-depleted aquatic environments werestudied using amplicon sequencing ...
Cím: Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake
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Dátum: 2021
Feltöltve: 2023-02-15
(2021)
In our work, we sought to answer whether we find differences among the various zones of an oxbow lake with different land uses based on physico-chemical variables and dominant algal plankton species. The two ends of the ...
Cím: Exogenic Production of Bioactive Filamentous Biopolymer by Monogonant Rotifers
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Dátum: 2021
Feltöltve: 2023-02-15
(2021)
The chemical ecology of rotifers has been little studied. A yet unknown property is presented within some monogonant rotifers, namely the ability to produce an exogenic filamentous biopolymer, named ‘Rotimer’. This ...
Cím: Sizing of a Decentralized Wastewater Treatment Unit Supported by Biokinetic Modeling
Szerző: ;
Dátum: 2020
Feltöltve: 2023-02-15
(2020)
Decentralized wastewater systems treat, dispose and reuse the wastewater in the vicinity of source, reducing the sewage transportation cost to minimal. As an alternative to centralized systems it can function as a satellite ...
Cím: Mammal Extinction Facilitated Biome Shift and Human Population Change During the Last Glacial Termination in East-Central Europe
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Dátum: 2022
Feltöltve: 2023-02-14
(2022)
"The study of local extinction times, together with the associated environmental and human population changes in the last glacial termination, provides insights into the causes of mega- and microfauna extinctions. In ...
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 ...