Relevant bibliographies by topics / 519.5/2

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Academic literature on the topic '519.5/2'

Author: Grafiati
Published: 27 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "519.5/2"

1

Lou, Ben Lin, Yuan Yuan Li, and Ru Xiao. "Preparation and Characterization of Polyacrylonitrile in Aqueous Slurry Polymerization." Materials Science Forum 789 (April 2014): 215–17. http://dx.doi.org/10.4028/www.scientific.net/msf.789.215.

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Polyacrylonitrile (PAN) is widely used for its superior properties, and comonomers are usually introduced to improve its properties. In this paper, 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and acrylamide (AM) were used as comonomers to prepare polyacrylonitrile by aqueous slurry polymerization. Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and X-ray diffraction (XRD) was used to characterize the chemical structures, the thermal properties, degree of crystallinity of polyacrylonitrile copolymer. The results show that the best thermal property of
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2

Bajetta, Emilio, Laura Catena, Sara Pusceddu, et al. "Everolimus in Combination with Octreotide Long-Acting Repeatable in a First-Line Setting for Patients with Neuroendocrine Tumors: A 5-Year Update." Neuroendocrinology 106, no. 4 (2017): 307–11. http://dx.doi.org/10.1159/000479587.

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Background: We previously presented data of this multicentric, phase II study showing that everolimus plus octreotide long-acting repeatable (LAR) for advanced neuroendocrine neoplasms (NENs), in the first line setting, is an active and safe treatment. We now present updated data at 5 years. Methods: Patients with advanced well-differentiated, previously untreated neuroendocrine tumors of the gastroenteropancreatic tract and of the lung received octreotide LAR 30 mg plus everolimus 10 mg/day. The primary endpoint was the objective response rate (ORR). We performed an analysis of “long responde
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3

Pertseva, N. O., and K. I. Moshenets. "Definition of the dependence of QTc interval prolongation on glycemic control in patients with type 2 diabetes mellitus." Medicni perspektivi 27, no. 1 (2022): 58–64. http://dx.doi.org/10.26641/2307-0404.2022.1.254326.

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The aim of the study: to assess the impact of glycemic variability on the duration of QTc interval in patients with diabetes mellitus type 2. 68 patients with type 2 diabetes mellitus (DM) and glycosylated hemoglobin (HbA1c) level ≤10% were examined. Of them – 37 (54.4%) men and 31 (45.6%) women. The average age – 46.0 (43.0; 54.0) years, the duration of DM type 2 – 7.0 (5.0; 9.0) years. Patients were divided into 2 groups according to HbA1c level: group 1 (n=31) with HbA1c <7% and group 2 (n=37) with HbA1c ≥7%. The control group consisted of 10 practically healthy people, compared by gende
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Pertseva, N.O., and K.I. Moshenets. "Definition of the dependence of QTc interval prolongation on glycemic control in patients with type 2 diabetes mellitus." Medicni perspektivi 27, no. 1 (2022): 58–64. https://doi.org/10.26641/2307-0404.2022.1.254326.

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The aim of the study: to assess the impact of glycemic variability on the duration of QTc interval in patients with diabetes mellitus type 2. 68 patients with type 2 diabetes mellitus (DM) and glycosylated hemoglobin (HbA1c) level ≤10% were examined. Of them – 37 (54.4%) men and 31 (45.6%) women. The average age – 46.0 (43.0; 54.0) years, the duration of DM type 2 – 7.0 (5.0; 9.0) years. Patients were divided into 2 groups according to HbA1c level: group 1 (n=31) with HbA1c <7% and group 2 (n=37) with HbA1c ≥7%. The control group consisted of 10 practically heal
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5

Wang, Siyue, Yang Hu, Binkai Liu, Yanping Li, Molin Wang, and Qi Sun. "Lignan Intake and Type 2 Diabetes Incidence Among US Men and Women." JAMA Network Open 7, no. 8 (2024): e2426367. http://dx.doi.org/10.1001/jamanetworkopen.2024.26367.

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ImportanceLignans are phytoestrogens abundant in Western diets and may be associated with type 2 diabetes (T2D) risk.ObjectiveTo prospectively investigate associations between lignan intake and T2D incidence.Design, Setting, and ParticipantsPopulation-based cohort study of US men and women enrolled in the Nurses’ Health Study (NHS, 1984-2018), NHSII (1991-2019), and Health Professionals Follow-Up Study (HPFS, 1986-2020), as well as 496 participants from the Men’s Lifestyle Validation Study (MLVS). Participants were free of T2D, cardiovascular disease, and cancer at baseline. Data were analyzed
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6

Travnicek, J., V. Kroupova, I. Herzig, and J. Kursa. "Iodine content in consumer hen eggs." Veterinární Medicína 51, No. 3 (2012): 93–100. http://dx.doi.org/10.17221/5526-vetmed.

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This paper presents the latest information about the supply of iodine to meet its requirements in hens of laying type, on the basis of iodine content in egg yolk and about the importance of eggs as an iodine source in human nutrition. The Sandell-Kolthoff method was applied to determine iodine content in the yolk of eggs from 9 large flocks (54 eggs) and 16 small flocks (96 eggs) in 2004, and from 10 large flocks (135 eggs) and 15 small flocks (114 eggs) in 2005. Iodine content was also determined in the albumen of 70 eggs. In 2004, the iodine content in the yolk of eggs from large fl
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7

ZIEGLER, THOMAS, TRUONG QUANG NGUYEN, CUONG THE PHAM, et al. "Three new species of the snake genus Achalinus from Vietnam (Squamata: Xenodermatidae)." Zootaxa 4590, no. 2 (2019): 249. http://dx.doi.org/10.11646/zootaxa.4590.2.3.

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Three new species of the xenodermatid genus Achalinus are described from northern Vietnam based on morphological and molecular evidence: Achalinus juliani sp. nov. is characterized by a combination of the following characters: 1) maxillary teeth 28; 2) suture between the internasals distinctly longer than that between the prefrontals; 3) internasal not fused to prefrontal; 4) loreal not fused with prefrontal; 5) infralabials 6; 6) mental separated from anterior chin shields; 7) two elongated anterior temporals, in contact with the eye, and two posterior temporals; 8) dorsal scales in 25–23–23
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8

John, J., and M. S. Malchijah Raj. "Graphs with large Steiner number." Ukrains’kyi Matematychnyi Zhurnal 76, no. 5 (2024): 719–27. http://dx.doi.org/10.3842/umzh.v76i5.7409.

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UDC 519.1 In 2002, Gary Chartrand and Ping Zhang [<em>The Steiner number of a graph,</em> Discrete Math., <strong>242</strong>, 41--54 (2002)] characterized the connected graphs G of order p ≥ 3 with Steiner number p , p - 1 , or 2. In our paper, we characterize all connected graphs G of order p ≥ 4 with Steiner number s ( G ) = p - 2 . In addition, we obtain some sharp Nordhaus–Gaddum bounds for the Steiner number of connected graphs whose complement is also connected.
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O'Bryant, Kevin. "On the size of finite Sidon sets." Ukrains’kyi Matematychnyi Zhurnal 76, no. 8 (2024): 1192–206. http://dx.doi.org/10.3842/umzh.v76i8.7858.

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UDC 519.1 A Sidon set (also called a Golomb ruler) is a B 2 sequence and a 1 -thin set is a set of integers containing no nontrivial solutions to the equation a + b = c + d . We improve the lower bound for the diameter of a Sidon set with k elements, namely, if k is sufficiently large and 𝒜 is a Sidon set with k elements, then ⅆ i a m ( 𝒜 ) ≥ k 2 - 1.99405 k 3 / 2 . Alternatively, if n is sufficiently large, then the cardinality of the largest subset of { 1,2 , … , n } , which is a Sidon set, does not exceed n 1 / 2 + 0.99703 n 1 / 4 .
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10

Makarov, V. L., N. V. Mayko та V. L. Ryabichev. "Реалізація точних триточкових різницевих схем для системи звичайних диференціальних рівнянь 2-го порядку". Ukrains’kyi Matematychnyi Zhurnal 75, № 1 (2023): 72–95. http://dx.doi.org/10.37863/umzh.v75i1.7373.

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УДК 517.9 + 519.6 Досліджено точну триточкову різницеву схему (ТТРС) для системи звичайних диференціальних рівнянь 2-го порядку з крайовими умовами першого роду. Знайдено послаблені умови (порівняно з відомими), за яких можливе перетворення ТТРС до однорідного дивергентного вигляду. Доведено теореми про коефіцієнтну стійкість і точність. Показано, що коефіцієнти ТТРС можна подати через розв'язки чотирьох задач Коші на проміжках довжини кроку сіт\-ки. Розв'язки цих задач можна одержати за допомогою будь-якого однокрокового методу, що приводить до усіченої різницевої схеми відповідного рангу.
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Dissertations / Theses on the topic "519.5/2"

1

Butler, Martin. "2-period travelling salesman problem." Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242250.

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2

Bogso, Antoine Marie. "Étude de peacocks sous l'hypothèse de monotonie conditionnelle et de positivité totale." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0152/document.

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Cette thèse porte sur les processus croissants pour l'ordre convexe que nous désignons sous le nom de peacocks. Un résultat remarquable dû à Kellerer stipule qu'un processus stochastique à valeurs réelles est un peacock si et seulement s'il possède les mêmes marginales unidimensionnelles qu'une martingale. Une telle martingale est dite associée à ce processus. Mais dans son article, Kellerer ne donne ni d'exemple de peacock, ni d'idée précise sur la construction d'une martingale associée pour un peacock donné. Ainsi, comme d'autres travaux sur les peacocks, notre étude vise deux objectifs. Il
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3

Bogso, Antoine Marie. "Étude de peacocks sous l'hypothèse de monotonie conditionnelle et de positivité totale." Electronic Thesis or Diss., Université de Lorraine, 2012. http://www.theses.fr/2012LORR0152.

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Cette thèse porte sur les processus croissants pour l'ordre convexe que nous désignons sous le nom de peacocks. Un résultat remarquable dû à Kellerer stipule qu'un processus stochastique à valeurs réelles est un peacock si et seulement s'il possède les mêmes marginales unidimensionnelles qu'une martingale. Une telle martingale est dite associée à ce processus. Mais dans son article, Kellerer ne donne ni d'exemple de peacock, ni d'idée précise sur la construction d'une martingale associée pour un peacock donné. Ainsi, comme d'autres travaux sur les peacocks, notre étude vise deux objectifs. Il
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Books on the topic "519.5/2"

1

Stephen, Nash, and Sofer Ariela, eds. Linear and nonlinear optimization. 2nd ed. Society for Industrial and Applied Mathematics, 2008.

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N, Tsitsiklis John, ed. Introduction to Linear Optimization. Athena Scientific, 1997.

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1950-, Yao David D., ed. Fundamentals of queueing networks: Performance, asymptotics, and optimization. Springer, 2001.

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J, Jarvis John, and Sherali Hanif D. 1952-, eds. Linear programming and network flows. 2nd ed. Wiley, 1990.

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5

Sampling. 3rd ed. Wiley, 2012.

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Sampling. 2nd ed. Wiley, 2002.

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Linear And Nonlinear Optimization. Siam, 2009.

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Computational techniques of the simplex method. Kluwer Academic Publishers, 2003.

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Linear programming and network flows. 3rd ed. John Wiley, 2005.

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Introduction to Survey Sampling. SAGE Publications, Incorporated, 2020.

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