Gotowe bibliografie tematyczne / 1-2-4 triazole xrd analysis

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Gotowa bibliografia na temat „1-2-4 triazole xrd analysis”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "1-2-4 triazole xrd analysis"

Bai, Shi-Qiang, Lu Jiang, David James Young, and T. S. Andy Hor. "Hybrid 1,2,3-Triazole Supported CuII Complexes: Tuning Assembly and Weak Interaction-Driven Crystal Growth." Australian Journal of Chemistry 69, no. 4 (2016): 372. http://dx.doi.org/10.1071/ch15650.

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Two new dinuclear CuII complexes [Cu2Cl4(L1)2] (1) and [Cu2Cl4(L2)2] (2) (L1 = 2-((4-(2-(cyclopentylthio)ethyl)-1H-1,2,3-triazol-1-yl)methyl)pyridine; L2 = 2-((4-(pyridin-2-yl)-1H-1,2,3-triazol-1-yl)methyl)benzonitrile) were synthesised and characterised by single-crystal X-ray diffraction (XRD), powder XRD, thermogravimetric analysis, elemental analysis and IR measurements. The picolyl-triazole ligand L1 coordinates in a chelate-bridging mode forming a dinuclear structure 1. The more rigid pyridyl-triazole ligand L2 chelates only, generating a chloride-bridged dinuclear complex 2. Both crysta

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Canseco-González, Daniel, José Luis Rodríguez de la O, and José Enrique Herbert-Pucheta. "Combined XRD-paramagnetic 13C NMR spectroscopy of 1,2,3-triazoles for revealing copper traces in a Huisgen click-chemistry cycloaddition. A model case." Heterocyclic Communications 25, no. 1 (2019): 98–106. http://dx.doi.org/10.1515/hc-2019-0018.

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AbstractCopper-catalyzed Alkyne-Azide Cycloaddition (CuAAC) click chemistry robustness has been demonstrated over recent years to produce 1,2,3-triazoles with excellent yields at mild conditions with simple purification methods. However, the consequences of having copper paramagnetic traces in final products, which complicate spectroscopic assignments and can produce inaccurate conclusions, has been scarcely discussed. Herein we present a strategy that combines X-Ray Diffraction (XRD) with 13C- paramagnetic Nuclear Magnetic Resonance spectroscopy, in order to demonstrate the presence of parama

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Bai, Shi-Qiang, Lu Jiang, Jing-Lin Zuo, Chun-Hua Yan, and T. S. Andy Hor. "Dinuclear Cu(II) 1,2,3-Triazole-Bridged Complex with Ferromagnetic Coupling." Australian Journal of Chemistry 66, no. 9 (2013): 1029. http://dx.doi.org/10.1071/ch13224.

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A new dinuclear Cu(ii) complex [Cu2Cl4(L1)2] (1) (L1 = 1-(2-picolyl)-4-hexyl-1H-1,2,3-triazole) has been synthesised and characterised by single-crystal X-ray diffraction (XRD) and powder XRD, thermogravimetric analysis, electron paramagnetic resonance spectrum, photoluminescence, and magnetic measurements. Complex 1 shows double 1,2,3-triazoles bridging the dinuclear Cu2N4 moiety, in which the bridging N=N bond indicates basal-apical asymmetric mode with 112.6° torsion angle of Cu–N=N–Cu. Different from most azole-bridged dinuclear Cu(ii) with antiferromagnetic couplings, complex 1 shows an i

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Anupama, Srivastava, K. Srivastava Akhilesh, Vishwkarma Arti, P. Pandey Om, and K. Sengupta Soumitra. "Synthesis, spectroscopic studies and biological aspects of bis(cyclopentadienyl)titanium(IV) complexes with 4-amino-5-(nicotinic/picolinic/isonicotinic/indole-3-propyl/indole-3-ethyl)-3- mercapto-1,2,4-triazole." Journal of Indian Chemical Society Vol. 97, No. 11b, Nov 2020 (2020): 2363–71. https://doi.org/10.5281/zenodo.5656098.

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Department of Chemistry, D.D.U Gorakhpur University, Gorakhpur-273 009, Uttar Pradesh, India E-mail: sengupta@hotmail.co.uk Manuscript received online 12 October 2020, revised and accepted 27 November 2020 Titanium(IV) complexes of type [(ɳ5-C5H5)2TiCl(L)] have been synthesized by the reactions of bis(cyclopentadienyl)- titanium(IV)dichloride with ligand (LH) derived from condensation of (nicotinic/picolinic/isonicotinic/indole-3-propyl/indole-3- ethyl)carboxylic acid and thiocarbohydrazide in dry tetrahydrofuran in the presence of

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Karpun, E. O., and V. V. Parchenko. "Synthesis, physicochemical properties and antigypoxic activity of some S-derivatives of 4-alkyl-5-(((3-(pyridin-4-yl)-1H-1,2,4-triazol-5-yl)thio)methyl)-4H-1,2,4-triazole-3-thiol." Farmatsevtychnyi zhurnal, no. 6 (December 9, 2020): 56–64. http://dx.doi.org/10.32352/0367-3057.6.20.06.

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Hypoxia is a discrepancy between the required energy of the cell in the mitochondrial oxidative phosphorylation system. The immediate cause of the deficiency is a decrease in the oxygen concentration in the mitochondria. Today there is a huge demand for the development of new anti-hypoxic drugs. t is known that 1,2,4-triazole compounds can have antimicrobial, anti-inflammatory, anti-hypoxic effects. Modification of the 1,2,4-triazole nucleus is a productive way to create original active molecules with a non-planar structure, for their binding to bio-target substrates. Derivatives of bis-1,2,4-

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Suhak, O. A., О. I. Panasenko, and Ye G. Knysh. "Synthesis, physic and chemical properties of 2-(4-R-5-(thiophene-2-ylmethyl)-4h-1,2,4-triazole-3-ylthio)acetate acids and their salts." Farmatsevtychnyi zhurnal, no. 2 (August 14, 2018): 48–54. http://dx.doi.org/10.32352/0367-3057.2.17.06.

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Derivatives of 1,2,4-triazole are inherent in various types of biological activity. They can be used as pesticide and medicinal drugs (anticonvulsants, analgetics, antitumor and antibacterial). In this regard the search of new methods of synthesis and investigation of biological activity of 2-(4-R-5-(thiophene-2-ylmethyl)-4H-1,2,4-triazole-3-ylthio)acetate acids and their salts is relevant nowadays. With the aim of finding the new biologically active compounds 2-(4-R-5-(thiophene-2-ylmethyl)-4H-1,2,4-triazole-3-ylthio)acetate acids and their salts are synthesized, where R is methyl, ethy

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Safonov, A. A. "Study acute toxicity of 4-(R-amino)-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole-3-thiol in vivo." Farmatsevtychnyi zhurnal, no. 2 (August 14, 2018): 98–101. http://dx.doi.org/10.32352/0367-3057.2.16.06.

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Typically, the system is already known are used as the core for a new substance, which have already proved themselves as potential drugs. So one of these is 1,2,4-triazole ring. The purpose was to study acute toxicity of 4-((R-iden)amino)-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazole-3-thiols and identify possible patterns acute toxicity of the chemical structure of indicators derivatives. In the study of acute contact toxicity was used spreadsheet rapid method for Prozorovsky V. B. Analysis of the results of studies acute toxicity of 1,2,4-triazole derivatives showed that all substanc

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Jiang, Lu, Zhe Wang, Shi-Qiang Bai, Xian Jun Loh, and T. S. Andy Hor. "Novel MII (M = Mn, Fe, Co, Ni) Coordination Assemblies Based on 2-(((1-(Pyridin-n-ylmethyl)-1H-1,2,3-triazol-4-yl)methyl)thio)pyridine Ligands." Australian Journal of Chemistry 69, no. 6 (2016): 645. http://dx.doi.org/10.1071/ch15362.

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Three novel 1D coordination polymers [M(L1)2(OH2)2(ClO4)2]n (M = Mn (1), Co (2)) and [Ni(L1)2(OH2)2(NO3)2]n (3), and two mononuclear complexes [Fe(L2)2(MeOH)2(ClO4)2] (4) and [Co(L2)2(OH2)2(ClO4)2] (5) were prepared from 2-(((1-(pyridin-n-ylmethyl)-1H-1,2,3-triazol-4-yl)methyl)thio)pyridine ligands (n = 4 (L1), and 2 (L2)). The complexes 1–5 were characterised by single-crystal X-ray diffraction (XRD), powder XRD, thermogravimetric analysis, elemental analysis, infrared, and electrospray ionisation mass spectrometry analyses. The complexes 1–5 showed good purity and thermal stability. The stru

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Cisterna, Jonathan, Catherine Araneda, Pilar Narea, Alejandro Cárdenas, Jaime Llanos, and Iván Brito. "The Positional Isomeric Effect on the Structural Diversity of Cd(II) Coordination Polymers, Using Flexible Positional Isomeric Ligands Containing Pyridyl, Triazole, and Carboxylate Fragments." Molecules 23, no. 10 (2018): 2634. http://dx.doi.org/10.3390/molecules23102634.

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To systematically investigate the influence of the positional isomeric effect on the structures of polymer complexes, we prepared two new polymers containing the two positional isomers ethyl 5-methyl-1-(pyridin-3-yl)-1H-1,2,3-triazole-3-carboxylate (L1) and ethyl-5-methyl-1-(pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylate (L2), as well as Cd(II) ions. The structures of the metal–organic frameworks were determined by a single crystal XRD analysis. The compound [Cd(L1)2·4H2O] (1), is a hydrogen bond-induced coordination polymer, whereas the compound [Cd(L2)4·5H2O]n (2) is a three-dimensional (3-D)

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Safonov, A. A. "Synthesis, physico-chemical properties of 2-((4-amino-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazol-3-yl)thio)acetohyd-razides." Farmatsevtychnyi zhurnal, no. 5 (August 14, 2018): 31–36. http://dx.doi.org/10.32352/0367-3057.5.16.03.

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The value of the class of 1,2,4-triazole derivatives to create a low-toxic and highly active substances is huge. There are a lot of facts about the high biological activity among a number of substances. The 2-((4-amino-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazol-3-yl)thio)acetohydrazides derivatives causes of particular interest in this direction. The aim of the work was to synthesize 2-((4-amino-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazol-3-yl)thio)acetohydrazides and their derivatives, studying of their physico-chemical properties. 2-((4-amino-5-(thiophen-2-ylmethyl)-4H-1,2,4-triazol-3

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Części książek na temat "1-2-4 triazole xrd analysis"

Ouakki, Moussa, Zakia Aribou, Khadija Dahmani, et al. "Imidazole Derivative as a Novel Corrosion Inhibitor for Mild Steel in Mixed Pickling Bath." In Handbook of Research on Corrosion Sciences and Engineering. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-7689-5.ch017.

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Mild steel is a well-known and widely used material in various industries. However, its exposure to aggressive environments limits its use because of its tendency to corrode. This work focuses on the inhibition of corrosion of mild steel by two organic compounds based on Imidazole, namely 2-(4-chlorophenyl)-1,4,5-triphenyl-1H-imidazole and 1,2,4,5-tetraphenyl-1H-imidazole, in mixed pickling bath. The experimental investigation was carried out using several techniques including electrochemical impedance spectroscopy and potentiodynamic polarization. The adsorption process of corrosion inhibitor

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Jemmali, Mosbah, and Lotfi Bessais. "Effect of M Substitution on Structural, Magnetic and Magnetocaloric Properties of R2Fe17-x Mx (R = Gd, Nd; M = Co, Cu) Solid Solutions." In Magnetic Skyrmions. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96299.

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The structure, magnetic and magnetocaloric properties of Nd2Fe17−xCox (x = 0; 1; 2; 3, 4) and Gd2Fe17-xCux (x = 0, 0.5, 1 and 1.5) solid solutions have been studied. For this purpose, these samples were prepared by arc melting and subsequent annealing at 1073 K for a 7 days. Structural analysis by Rietveld method on X-ray diffraction (XRD) have determined that these alloys crystallize in the rhombohedral Th2Zn17-type structure (Space group R¯3 m) and the substitution of iron by nickel and copper leads to a decrease in the unit cell volume. The Curie temperature (TC) of the prepared samples dep

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"NIR emission in sol-gel glass-ceramic materials singly- and doubly-doped with RE3+ ions." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.47.10.

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Due to the rapid development of telecommunication technologies, there is currently significant interest in materials exhibiting ultra-broadband near-infrared emission, which could be used as optical amplifiers. The optical properties of Nd3+ ions have been widely investigated considering their efficient emission in the NIR spectral range. Co-doping with rare-earth ions (RE3+) is one of several strategies to improve the luminescent performance of optical materials due to the possibility of energy transfers between them. Systems doubly-doped with Nd3+ and Pr3+ ions could be predisposed to be use

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Yamin Ali, Mohammad, Cedric M. John, and Howard D. Johnson. "Diagenesis of the Central Luconia Carbonate Platforms: The Roles of Early Dolomitization and Late Hydrothermal Fluids in Enhancing Deep Reservoir Properties." In Cenozoic Isolated Carbonate Platforms—Focus Southeast Asia. SEPM (Society for Sedimentary Geology), 2023. http://dx.doi.org/10.2110/sepmsp.114.05.

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The Central Luconia Miocene carbonate platform represents one of the largest regions of Liquified Natural Gas (LNG) production in the world. Although several studies have been conducted, the reservoir diagenesis of this gas-producing region remains poorly understood. To address this issue, a comprehensive and systematic diagenetic study has now been undertaken. Methodologies used included petrography, X-ray diffractometry (XRD), scanning electron microscopy (SEM), backscattered electron microscopy (BSEM), and cathodoluminescent microscopy (CL). Other technologies included elemental analysis us

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Rocha, Lizandra Viana Maurat da, Paulo Sergio Rangel Cruz da Silva, and Maria Inês Bruno Tavares. "Comparative Study Of Poly (Butylene Adipate Co-Terephthalate) Nanocomposites With Zinc And Molybdenum Oxides." In COLLECTION OF INTERNATIONAL TOPICS IN HEALTH SCIENCE- V1. Seven Editora, 2023. http://dx.doi.org/10.56238/colleinternhealthscienv1-122.

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studies on nanocomposites of biodegradable polymers such as polybutylene adipate co-terephthalate (PBAT) are justified. This polymer is certified for composting; it is printable, suitable for food contact, water resistant, and performs similarly to polyethylene[1, 2] . Metal oxide nanoparticles (NPs) such as MoO3 and ZnO are potential fillers to, in addition to improving mechanical properties, confer antimicrobial, anti-UV activity and modulate the biodegradability of polymer matrices such as that of PBAT[3, 4, 5] . The effects of different concentrations of ZnONPs were observed and compared t

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Streszczenia konferencji na temat "1-2-4 triazole xrd analysis"

Bilan, Dmitri, Sergiu Cojocari, Natalia Sucman, Eughenia Stingaci, and Fliur Macaev. "Transforming the five-membered ring d in a pregnenolone derivative into a six-membered ring through skeletal rearrangement." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab22.

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In pursuit of obtaining steroid derivatives containing a triazole moiety in their structure, a series of reactions was conducted (Figure 1). In these reactions, an intermediate compound was the corresponding azide 3, which was subsequently involved in a reaction with the required alkyne to form a 1,2,3-triazole. In click chemistry reactions, it is well-known that catalysts are one-valent copper salts, which can be generated in situ from copper(II) salts. However, the NMR spectra of the main product, isolated from the reaction mass, did not match the expected results.Figure 1. The procedure for

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Ahmad, S. S., A. Guida, M. Mahadeo, et al. "A Comprehensive Approach for Understanding Borehole Failure Mechanisms in Horizontal Wells - A Case Study from the Norwegian North Sea." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222955-ms.

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Abstract The process of drilling horizontal wells through sand-shale interbedded sequences can present difficulties and risks due to variations in their mechanical properties, leading to unstable boreholes, especially when mud weight is optimized to mitigate against-loss events. This study aims to use a comprehensive approach involving geological, petrophysical, and geomechanical analysis to understand why and where severe borehole instabilities are occurring in a specific field located in the Norwegian North Sea. The data utilized in this research includes high-resolution ultrasonic amplitude

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IQBAL, Rendy Muhamad. "Innovative Hematite-Incorporated Geopolymer Membrane from Coal Fly Ash through Direct Foaming Method." In Composite Materials. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903636-1.

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Abstract. Fly ash generation is a continuously growing waste or by-product resulting from the combustion of coal, which is potentially to explore for membrane materials. The addition of hematite as an antifouling agent allows for the utilization of fly ash as a geopolymer-based membrane. The objective of this study is to create a hematite/geopolymer membrane utilizing type C fly ash by the direct foaming technique in order to enhance the porosity of the membrane. A homogeneous mixture was obtained by combining 65 grams of fly ash and 0.85 grams of Al(OH)3 with a base activator. Subsequently, 3

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Saviak, Maria, Angel Vicente, Escuder Vicente, and Amigó Borrás. "The influence of Cr2AlC max phase additives on the mechanical properties and oxidation capacity of the medium-entropy VNiCo alloy." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-ms1348.

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FCC high-entropy alloys (HEA) have significant plasticity, deformation, but their yield strength should be higher. The strength of high-entropy alloys is due to lattice distortion due to the different sizes of the atoms. The dimensions of the vanadium atom are significantly different from the dimensions of nickel and cobalt, and if vanadium is introduced into their composition, a significant distortion of the lattice while preserving the fcc structure [1]. Equiatomic alloy VNiCo, showed a yield strength of 1GPa [1]. This yield point is reached in alloys with a grain size of 2 μm. The powder me

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Gray, S., K. J. Lawson, and M. R. Dorfman. "Comparison of a High-Purity HOSP PYSZ Powder with Standard HOSP—Powder-Coating Characterization and Thermal Cycling Testing." In ITSC2008, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2008. http://dx.doi.org/10.31399/asm.cp.itsc2008p0865.

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Abstract A high-purity (HP) HOSP (Hollow Oven Spherical Process) PYSZ powder has been evaluated and compared to standard PYSZ powders. The main difference is these two powders is the starting raw material purity. Four TBC systems (2 standard types and 2 high purity versions) were Air Plasma Sprayed (APS) onto CMSX-4 substrates with APS CoNiCrAlY bond coats. Thermal shock testing was performed to 50 % spallation at 1135°C with 1 hour hot cycles with forced air cooling. The as-deposited coatings and those after thermal shock failure were characterized using X-ray diffraction, Raman spectroscopy

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Chkhartishvili, Levan, Natia Barbakadze, Otar Tsagareishvili Otar Tsagareishvili, et al. "Boron carbide based tungsten containing sandwich composites as neutron shield materials." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-lc1745.

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Nuclear power industry requires structural materials that effectively absorb neutron radiation. For this purpose, boron and boron-rich compounds and, in particular, boron carbide B4C and its composites are widely used. Both theoretically (see, e.g., [1, 2]) and experimentally (see, e.g., [3, 4]) it has been shown that one such promising class of materials is boron carbide compositions with tungsten B4C–W: tungsten phase inclusions containing heavy W atoms provide effective attenuation of the secondary gamma-radiation that accompany the absorption of primary neutrons by the boron 10B isotope at

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El-Kady, Ahmed Hamdy, Zheng Chai, and Hisham A. Nasr-El-Din. "Comparative Analysis of Aminopolycarboxylate Chelants Improves Iron Control in Acidizing Operations." In SPE International Conference on Oilfield Chemistry. SPE, 2021. http://dx.doi.org/10.2118/204322-ms.

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Abstract Aminopolycarboxylate-based chelants are used to control iron precipitation during acidizing operations by interacting directly with the iron, resulting in water-soluble complexes. This paper highlights that, in order to improve the effectiveness of iron control during acidizing operations, the type and the concentration of the chelants should be based on the formation properties and the well characteristics by comparing the cheltors’ performance as iron-control agents at different temperatures and pH environments with different levels of iron concentrations and chelant to iron molar r

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Mohammadi, Saman, Tianyi Lan, and Hassan Dehghanpour. "Advances in Understanding the Wettability of the Viking Formation." In SPE Canadian Energy Technology Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/218076-ms.

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Abstract This paper presents a comprehensive laboratory protocol to evaluate and characterize the in-situ rock and fluid samples from the Viking Formation in the Western Canadian Sedimentary Basin (WCSB). The experiments are performed in four stages. In stage 1, we conduct Scanning Electron Microscopy (SEM), Energy-dispersive X-ray Spectroscopy (EDS) and X-ray Diffraction (XRD) techniques on the dry end-pieces of the plugs for pore-scale visualization and compositional analysis. In stage 2, we measure the contact angle (CA) of the equilibrated oil and brine droplets on the surface of the rock

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Chen, Dong Lin, Tuo Ye, and Xi Zeng. "Experimental Investigation of Activation Solution for On-Line Activating SCR-DeNOx Catalyst." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3476.

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Currently, SCR-DeNOx technology of flue gas has been widely applied in coal-fired power plants in China for its higher denitrification efficiency, lower ammonia escape and more stable operation performance. In order to overcome the shortages of the off-line method, an on-line method based activating was proposed. However, many key technologies also need to be researched that one of them is a cheap and efficient activating solution. First, activating solutions were prepared by means of single factor and experimental investigations of catalysts activation were conducted. Second, impacts of the c

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Zamula, Maryna, Valerii Kolesnichenko, Nadiya Tyschenko, et al. "Peculiarities of SPS nanostructured ceramics based on Si3N4 in the presence of varying liquid phase amounts." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-mz1126.

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Si3N4 displays excellent tribological and mechanical properties, making it promising for high-temperature applications [1]. To achieve high strength and fracture toughness, the formation of anisometric grains of β-Si3N4 due to polymorphic α→β-phase transformation during sintering of Si3N4 is crucial. This study aims to investigate the phase transformation in Si3N4 and the consolidation of materials using the spark plasma sintering (SPS) method in the presence of varying amounts of liquid phase. The starting mixtures of Si3N4 with varying ratios of oxide additives (1-7wt.% Y2O3 and ~10wt.% SiO2

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