S. Nagy
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View article: Classical limit of a scalar quantum field theory
Classical limit of a scalar quantum field theory Open
It is well known that a minimal distance emerges in quantum field theories owing to the need to regularize the UV divergences. The macroscopical limit at large minimal distance, weak spatial resolution, is investigated for a self interacti…
View article: Protein and Amino Acid Supplementation Among Recreational Gym Goers and Associated Factors—An Exploratory Study
Protein and Amino Acid Supplementation Among Recreational Gym Goers and Associated Factors—An Exploratory Study Open
Objective: The present study investigated the relationship between protein and amino acid supplementation and various associated aspects among recreational gym goers at 2 gymnasiums in Oradea (Romania). Methods: A total of 165 gym goers (1…
View article: The Impact of Protein and Amino Acid Supplementation on Muscular Strength and Endurance in Recreational Gym-Goers During 8-Week Resistance Training
The Impact of Protein and Amino Acid Supplementation on Muscular Strength and Endurance in Recreational Gym-Goers During 8-Week Resistance Training Open
Objective: Most recreational gym-goers independently consume nutritional supplements (NSs) without physician advice and a personalized diet. The present study examines the preference for nutritional supplements (NSs) based on protein and a…
View article: Protein and Amino Acid Supplements Use Among Recreational Gym-Goers in Northwestern Romania
Protein and Amino Acid Supplements Use Among Recreational Gym-Goers in Northwestern Romania Open
Background/Objective: Recreational gym-goers frequently use nutritional supple-ments (NS) based on protein and amino acids without medical advice and under-standing. The present study investigates the relationship between protein and amino…
View article: Optimizing Gym Performance: Evaluating the Impact of Nutritional Supplementation on Strength and Endurance in Recreational Gym-Goers
Optimizing Gym Performance: Evaluating the Impact of Nutritional Supplementation on Strength and Endurance in Recreational Gym-Goers Open
This study examines the effects of nutritional supplementation (NS) and resistance training on strength performance across different gender and age groups over 8 weeks. A total of 218 participants were categorized based on NS intake: L-car…
View article: Time Scales of Slow-Roll Inflation in Asymptotically Safe Cosmology
Time Scales of Slow-Roll Inflation in Asymptotically Safe Cosmology Open
Making use of the well-known renormalization group (RG) scale dependences of the gravitational couplings in the framework of the two-parameter Einstein–Hilbert (EH) theory of gravity, the single scalar field-driven cosmological inflation i…
View article: First order phase transition with the functional renormalization group method
First order phase transition with the functional renormalization group method Open
The renormalization group method, more specifically the Wegner-Houghton equation, is used to find first order phase transitions in a simple scalar field theory with a polynomial potential. An improved definition of the running parameters a…
View article: Assessment of trace and macroelement accumulation in cyprinid juveniles as bioindicators of aquatic pollution: effects of diets and habitat preferences
Assessment of trace and macroelement accumulation in cyprinid juveniles as bioindicators of aquatic pollution: effects of diets and habitat preferences Open
View article: Aquatic vegetation mapping with UAS-cameras considering phenotypes
Aquatic vegetation mapping with UAS-cameras considering phenotypes Open
Aquatic vegetation species at the genus level in an oxbow lake were identified in Hungary based on a multispectral Uncrewed Aerial System (UAS) survey within an elongated oxbow lake area of the Tisza River under continental climate. Seven …
View article: Interpolation Formulas for Asymptotically Safe Cosmology
Interpolation Formulas for Asymptotically Safe Cosmology Open
Simple interpolation formulas are proposed for the description of the renormalization group (RG) scale dependences of the gravitational couplings in the framework of the 2-parameters Einstein-Hilbert (EH) theory of gravity and applied to a…
View article: The recycling of pure metallic indium from waste LCD screens by a combined hydro-electrometallurgical method
The recycling of pure metallic indium from waste LCD screens by a combined hydro-electrometallurgical method Open
The Liquid Crystal Display (LCD) panels were removed and crushed to be leached. Sulphuric acid of 0.25 M H2SO4 was found best for relatively fast reactions and selectivity, recovering >99% of the indium from the indium‑tin oxide (ITO) laye…
View article: Renormalizing Open Quantum Field Theories
Renormalizing Open Quantum Field Theories Open
The functional renormalization group flow of a scalar field theory with quartic couplings and a sharp spatial momentum cutoff is presented in four-dimensional Minkowski space-time for the bare action by retaining the entanglement of the IR…
View article: THE IMPACT OF BASEL BANKING REGULATION ON FINANCIAL TRANSACTIONS
THE IMPACT OF BASEL BANKING REGULATION ON FINANCIAL TRANSACTIONS Open
In our research, we review Basel banking regulation because in our rushed lives, unfortunately, we don’t know much about it (even though we live in a world controlled by money). In our research, we aim to present in detail the centuries-ol…
View article: NPK műtrágyázás és a foltszerű trágyaterhelés hatásának vizsgálata legeltetett ősgyepen
NPK műtrágyázás és a foltszerű trágyaterhelés hatásának vizsgálata legeltetett ősgyepen Open
A Hortobágyi és a Kiskunsági Nemzeti Parkkal szomszédos és hasonló adottságú Bakonszeg, ill. Cserkeszőlő térségében vizsgáltuk az NPK műtrágyák és a juhtrágya 2. éves utóhatását a gyep fejlődésére, termésére és ásványi összetételére. Külön…
View article: Cyclic Einstein-Podolsky-Rosen steering
Cyclic Einstein-Podolsky-Rosen steering Open
Einstein-Podolsky-Rosen (EPR) steering is a form of quantum correlation that exhibits a fundamental asymmetry in the properties of quantum systems. Given two observers, Alice and Bob, it is known to exist bipartite entangled states which a…
View article: Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake
Changes in Algal Plankton Composition and Physico-Chemical Variables in a Shallow Oxbow Lake Open
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 oxbow lake are bord…
View article: Long-term analysis of River Tisza water level data with regard to the ecological water demand of floodplain water bodies
Long-term analysis of River Tisza water level data with regard to the ecological water demand of floodplain water bodies Open
One of the main threats of our time is the increasing water demand not only globally, but also locally. These are often met at the expense of ecological water demand, jeopardizing the structural and operational conditions necessary to main…
View article: INVESTIGATION OF THE COMMERCIAL SITUATION AMONG BEEKEEPERS IN HUNGARY FROM 2010 TO THE PRESENT
INVESTIGATION OF THE COMMERCIAL SITUATION AMONG BEEKEEPERS IN HUNGARY FROM 2010 TO THE PRESENT Open
The beekeeping and beekeeping sectors are very important sectors on a global scale. This is because these sectors play a key role in agriculture and therefore play an essential role in the food supply of humankind. In our research, we woul…
View article: Effects of Different Fish Diets on the Water Quality in Semi-Intensive Common Carp (Cyprinus carpio) Farming
Effects of Different Fish Diets on the Water Quality in Semi-Intensive Common Carp (Cyprinus carpio) Farming Open
Semi-intensive common carp (Cyprinus carpio) farm technology uses several feed types affecting the growth performance; however, we know less about their long-term effects on water quality. Herein, we evaluated the effects of three commonly…
View article: The possibility of Rare Metal Recovery from white LED Bulbs
The possibility of Rare Metal Recovery from white LED Bulbs Open
White LED bulbs – dominant in lighting technology – can become a significant secondary source for the recovery of valuable rare metals, if a proper extractive metallurgical technology is developed. We have found an efficient way to separat…
View article: Renormalizing open quantum field theories
Renormalizing open quantum field theories Open
The functional renormalization group flow of a scalar field theory with quartic couplings and a sharp spatial momentum cutoff is presented in four-dimensional Minkowski space-time for the bare action by retaining the entanglement of the IR…
View article: Gondolatok a polgári védelemről, különös tekintettel a fegyveres összeütközések időszakának feladataira
Gondolatok a polgári védelemről, különös tekintettel a fegyveres összeütközések időszakának feladataira Open
Napjainkban a polgári védelem kifejezés tartalma hazánkban sokkal inkább az angol „civil protection” fogalmával egyezik meg, és nem a „civil defence” néven azono-sítható, a légoltalomból továbbfejlődött, fegyveres összeütközések időszakára…
View article: Új, cinkona alapú organokatalizátorok előállítása, alkalmazása és visszaforgatása
Új, cinkona alapú organokatalizátorok előállítása, alkalmazása és visszaforgatása Open
View article: Membránszűréssel visszaforgatható homogén organokatalizátorok előállítása és alkalmazása
Membránszűréssel visszaforgatható homogén organokatalizátorok előállítása és alkalmazása Open
View article: Mozaikcsaládok formálódása Budapesten – régen és ma
Mozaikcsaládok formálódása Budapesten – régen és ma Open
Az írás azt kívánja felvázolni, hogy Budapesten mikor vették át a válások az özvegyülések „szerepét” és ez hogyan hatott a mozaikcsaládok formálódására. Vizsgálja a házasságra lépők, a házasság idején elhunytak és mind a haláleset után, mi…
View article: Salt Tolerance and Desalination Abilities of Nine Common Green Microalgae Isolates
Salt Tolerance and Desalination Abilities of Nine Common Green Microalgae Isolates Open
In recent years, decline of freshwater resources has been recognized as one of the main environmental problems on global level. In addition to the increasing extent of primary salinization due to climate change, secondary salinization caus…
View article: Heterogeneity and Anthropogenic Impacts on a Small Lowland Stream
Heterogeneity and Anthropogenic Impacts on a Small Lowland Stream Open
During our work, we investigated the physical and chemical variables of a small surface watercourse to investigate how different anthropogenic effects affect its water quality. Along this small watercourse, there are well-separated areas t…
View article: Age and diet-specific trace element accumulation patterns in different tissues of chub (Squalius cephalus): Juveniles are useful bioindicators of recent pollution
Age and diet-specific trace element accumulation patterns in different tissues of chub (Squalius cephalus): Juveniles are useful bioindicators of recent pollution Open
Chub (Squalius cephalus L. 1758) specimens of three age groups with different types of diet were collected in November 2013 in the River Szamos/Someş, Hungary. The Ca, K, Mg, Na, Cd, Cr, Cu, Fe, Mn, Pb, Sr and Zn concentrations were analyz…
View article: Potential role of the cellular matrix of Aphanizomenon strains in the effects of cylindrospermopsin—an experimental study
Potential role of the cellular matrix of Aphanizomenon strains in the effects of cylindrospermopsin—an experimental study Open
Some literature data suggest that one of the possible roles of the cyanotoxin cylindrospermopsin (CYN) is forcing other phytoplankton species in the environment to produce alkaline phosphatase, which enables the cyanobacterium to take up t…
View article: Euclidean scalar field theory in the bilocal approximation
Euclidean scalar field theory in the bilocal approximation Open
The blocking step of the renormalization group method is usually carried out\nby restricting it to fluctuations and to local blocked action. The tree-level,\nbi-local saddle point contribution to the blocking, defined by the\ninfinitesimal…