Relevant bibliographies by topics / Absorbing lemma

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  2. Dissertations / Theses

Academic literature on the topic 'Absorbing lemma'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Absorbing lemma"

1

Liu, Lin F., and Juan J. Nieto. "Dissipativity of Fractional Navier–Stokes Equations with Variable Delay." Mathematics 8, no. 11 (2020): 2037. http://dx.doi.org/10.3390/math8112037.

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We use classical Galerkin approximations, the generalized Aubin–Lions Lemma as well as the Bellman–Gronwall Lemma to study the asymptotical behavior of a two-dimensional fractional Navier–Stokes equation with variable delay. By modifying the fractional Halanay inequality and the comparison principle, we investigate the dissipativity of the corresponding system, namely, we obtain the existence of global absorbing set. Besides, some available results are improved in this work. The existence of a global attracting set is still an open problem.
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2

Abdullah, Omer, and Haibat Karim Mohammadali. "Extend Nearly Pseudo Quasi-2-Absorbing submodules(I)." Ibn AL-Haitham Journal For Pure and Applied Sciences 36, no. 2 (2023): 341–53. http://dx.doi.org/10.30526/36.2.3019.

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The concept of a 2-Absorbing submodule is considered as an essential feature in the field of module theory and has many generalizations. This articale discusses the concept of the Extend Nearly Pseudo Quasi-2-Absorbing submodules and their relationship to the 2-Absorbing submodule, Quasi-2-Absorbing submodule, Nearly-2-Absorbing submodule, Pseudo-2-Absorbing submodule, and the rest of the other concepts previously studied. The relationship between them has been studied, explaining that the opposite is not true and that under certain conditions the opposite becomes true. This article aims to st
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3

Cárdenas, Carmen, Danny Ochoa, Mirian Labrador, et al. "Sensibilidad de la lemna obscura a la presencia de fenoles e hidrocarburos livianos." Observador del Conocimiento Vol. 2 Nº 6 junio 2014, no. 2343-6212 (2021): 45–54. https://doi.org/10.5281/zenodo.5257504.

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El objetivo de este estudio fue relacionar los derrames petroleros con la superfloracion de <em>Lemna obscura </em>en el Lago. Se realizaron seis ensayos, durante diez d&iacute;as; cada uno, usando recipientes de vidrio de 25cm x 15cm x 15cm, con agua del Lago de Maracaibo con 50 plantas de <em>Lemna </em>de dos frondes cada una y fotoper&iacute;odo 12:12 horas, para cultivar <em>Lemna obscura </em>en 5 concentraciones de fenol (0,25 a 2,5mg/l) y 5 de hidrocarburo liviano (30 a 45mg/l). Durante cada ensayo se midi&oacute; diariamente los par&aacute;metros: pH, conductividad, ox&iacute;geno dis
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4

Sun, Chunyou, and Yanbo Yuan. "Lp-type pullback attractors for a semilinear heat equation on time-varying domains." Proceedings of the Royal Society of Edinburgh: Section A Mathematics 145, no. 5 (2015): 1029–52. http://dx.doi.org/10.1017/s0308210515000177.

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We present a new method for investigating the Lp-type pullback attractors (2 ≤ p &lt; ∞) of a semilinear heat equation on a time-varying domain under quite general assumptions on the nonlinear and forcing terms. The existing approach does not appear applicable here as it is impossible to show the existence of a pullback absorbing set in Lp space when p is large. A new asymptotic decomposition scheme for a non-autonomous pullback attractor has been introduced. The abstract results and preliminary lemmas are also of independent interest and applicable to other systems.
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Ryvak, R., T. Synyshyna, and H. Harvas. "STUDY OF ABSORBENT PROPERTIES OF FRESHWATER ALGAE LEMNA MINOR ACCORDING TO THE LEVEL OF IODINE ACCUMULATION." Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology 25, no. 1 (2024): 147–53. http://dx.doi.org/10.36359/scivp.2024-25-1.20.

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The article describes the unique properties of algae to intensively build up biomass and accumulate the mineral elements present in it from the water environment, the justification of the direction of research on the sorption capacity of freshwater and marine algae, the scheme of the experiment, used materials and methods are described. The study of the sorption capacity of the freshwater algae Lemna minor was carried out in a vivarium under 24-hour lighting using fluorescent lamps, the ambient temperature was 28-30 °C, the air humidity was 75-80%, the temperature of the lake water in glass co
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Hoell, J., D. E. Liebscher, and W. Priester. "Confirmation of the Friedmann-Lema??tre universe by the distribution of the larger absorbing clouds." Astronomische Nachrichten 315, no. 2 (1994): 89–96. http://dx.doi.org/10.1002/asna.2103150202.

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Mohamad Nasrol, Nasuha binti, Noorashikin Md Saleh, Tanusha Devi Elan Solan, Nor Yuliana Yuhana, Farhanini Yusoff, and Saliza Asman. "Adsorption of Heavy Metal from Wastewater by Bioabsorbent Modified Azolla microphylla and Lemna minor." Sains Malaysiana 53, no. 5 (2024): 1167–83. http://dx.doi.org/10.17576/jsm-2024-5305-15.

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Environmental toxicity from rapid industrialization raises concerns about water pollution caused by industrial waste and urban sewage. Aquatic macrophytes, such as the Azolla species, have shown promise in absorbing heavy metals and nutrients from water. This study introduces a novel approach by evaluating Azolla Microphylla and lemna minor as an economical adsorbent for copper removal from rivers. Moreover, this study stands out by conducting thorough characterization analyses. The adsorbent material underwent XRD, SEM, BET, and FTIR analyses after being crushed and sieved to 1-2 mm. Copper w
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8

Popescu, Sever Angel. "Absorbent property, Krasner type lemmas and spectral norms for a class of valued fields." Proceedings of the Japan Academy, Series A, Mathematical Sciences 89, no. 10 (2013): 138–43. http://dx.doi.org/10.3792/pjaa.89.138.

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9

Pang, Yean Ling, Yen Ying Quek, Steven Lim, and Siew Hoong Shuit. "Review on Phytoremediation Potential of Floating Aquatic Plants for Heavy Metals: A Promising Approach." Sustainability 15, no. 2 (2023): 1290. http://dx.doi.org/10.3390/su15021290.

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Water pollution due to heavy metals has become a serious environmental concern due to their hazardous properties. Since conventional water remediation techniques are generally ineffective and non-environmentally friendly, phytoremediation has gained increasing attention from worldwide researchers and scientists due to its cost-effectiveness and environmental friendliness. Hence, this review first discussed soil and water remediations. Phytoremediation can be divided into five techniques to remove heavy metals from the polluted environment, namely, phytostabilization (phytosequestration), phyto
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Roslan, Mohd Naqib Azfar Mohd, Abentin Estim, Balu Alagar Venmathi Maran, and Saleem Mustafa. "Effects of Aquatic Plants on Nutrient Concentration in Water and Growth Performance of Fantail Goldfish in an Aquaculture System." Sustainability 13, no. 20 (2021): 11236. http://dx.doi.org/10.3390/su132011236.

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The effects of two aquatic plants, duckweed (Lemna sp.) and azolla (Azolla sp.), on the growth performance of fantail goldfish (Carassius auratus) and dissolved nutrient concentrations were studied. The experiments were carried out in triplicate sets over a period of seven weeks. Eight specimens of fantail goldfish (length = 5.16 ± 0.06 cm; body weight = 2.30 ± 0.06 g) were released into each of the aquariums containing 40 L of water. Submerged sponge filters were used as the substrate (bed) for the nitrifying bacteria to facilitate nitrification. The fish were provided feed at the rate of 2%
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Dissertations / Theses on the topic "Absorbing lemma"

1

Zhou, Wenling. "Embedding problems in uniformly dense hypergraphs." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG092.

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Étant donné un k-graph (hypergraphe k-uniforme) F, la densité de Turán π(F) de F est la densité maximale parmi tous les k-graphes F-libres. Déterminer π(F) pour un k-graph donné F est un problème extrémal classique. Étant donnés deux k-graphes F et H, un F-facteur de H est une collection de copies de F disjointes sur les sommets de H qui couvrent ensemble tous les sommets de H. Les problèmes de F-facteurs, en tant que renforcement du problème de Turán, visent à trouver des conditions extrémales sur H garantissant un F-facteur, ce qui a également une histoire longue et profonde. Dans cette thès
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