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Journal articles on the topic 'Three-Phase Reaction Type Changing'

Author: Grafiati
Published: 28 May 2022
Last updated: 30 July 2025

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1

Lutsyk, Vasily I., Vera P. Vorob'eva, Olga G. Sumkina, and Bulat V. Tsyngeev. "Three-Phase Reaction Type Changing in Mo-Zr-V and Ti-Ir-Ru Systems." IFAC Proceedings Volumes 46, no. 16 (2013): 365–70. http://dx.doi.org/10.3182/20130825-4-us-2038.00038.

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Failla, Giuseppe, Leszek Gasiński, and Anna Petiurenko. "Existence and Uniqueness of Positive Solutions for Singular Asymmetric Multi-Phase Equations." Symmetry 17, no. 4 (2025): 573. https://doi.org/10.3390/sym17040573.

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In this work, we establish the existence of positive solutions for a problem driven by a multi-phase operator composed of two distinct exponent Laplacian-type operators and a generalised lower-order term, which ensures asymmetric behaviour across three subregions of the domain under consideration. The reaction term involves a mild singularity at zero and includes a possibly sign-changing perturbation function. Under additional restrictive conditions, we also obtain a uniqueness result for the problem. Our existence result is based on pseudomonotone operator theory. Moreover, a detailed analysi
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3

Liu, Ning, Xin Qian, Gen Fa Lu, et al. "Processing of Human Feces Using Beanstalk and Sawdust as Matrix in a Composting-Type Eco-Toilet." Advanced Materials Research 156-157 (October 2010): 24–29. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.24.

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This study aims to investigate the changing of operational parameters and waste reducing rate, as well as the possibility of using produced composts as organic fertilizer in an on-site composting-type eco-toilet filled with mixed materials of beanstalk and sawdust as reaction matrix. During the 23-week period, change of pH was divided into three phases: acid phase (6.63-7.00), alkaline phase (9.00-9.71) and stable phase (8.10-9.00). With continuous input of feces and urine, total nitrogen, total phosphorus and total potassium contents was increased to reach 4.3%, 1.06% and 2.03%, respectively.
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4

Yu, Xiangrui, Changjiao Shang, Yunjian Cao, Jingang Cui, and Chaofan Sun. "A DFT/TD-DFT Study on the ESIPT-Type Flavonoid Derivatives with High Emission Intensity." Materials 15, no. 8 (2022): 2896. http://dx.doi.org/10.3390/ma15082896.

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To reveal the influence of different substituents on the excited-state intramolecular proton transfer (ESIPT) process and photophysical properties of 4′-N, N-dimethylamino-3-hydroxyflavone (DMA3HF), two novel molecules (DMA3HF-CN and DMA3HF-NH2) were designed by introducing the classical electron-withdrawing group cyano (-CN) and electron-donating group amino (-NH2). The three molecules in the acetonitrile phase were systematically researched by applying the density functional theory (DFT) and time-dependent DFT (TD-DFT) methods. The excited-state hydrogen bond enhancement mechanism was confir
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Skakauskas, Vladas, and Pranas Katauskis. "On the kinetics of the Langmuir-type heterogeneous reactions." Nonlinear Analysis: Modelling and Control 16, no. 4 (2011): 467–76. http://dx.doi.org/10.15388/na.16.4.14089.

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In this paper we investigate three two-dimensional in space mathematical models of the kinetics of unimolecular heterogeneous reactions proceeding onto planar surfaces. All models include the diffusion of the reactant from a bounded vessel towards an adsorbent, adsorption of the molecules of the reactant, their desorption, conversion (reaction) of the adsorbate into a product, instantaneous product desorption, and the diffusion of the product from the adsorbent into the same vessel. One of these models is based on the Langmuir-type kinetics of the surface reactions, the other one is based on t
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Ishida, Takeshi. "Emergence Simulation of Biological Cell-like Shapes Satisfying the Conditions of Life Using a Lattice-Type Multiset Chemical Model." Life 12, no. 10 (2022): 1580. http://dx.doi.org/10.3390/life12101580.

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Although numerous reports using methods such as molecular dynamics, cellular automata, and artificial chemistry have clarified the process connecting non-life and life on protocell simulations, none of the models could simultaneously explain the emergence of cell shape, continuous self-replication, and replication control solely from molecular reactions and diffusion. Herein, we developed a model to generate all three conditions, except evolution ability, from hypothetical chains of chemical and molecular polymerization reactions. The present model considers a 2D lattice cell space, where virt
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Elsagh, A. "Synthesis of Silica Nanostructures and Optimization of their Size and Morphology by Use of Changing in Synthesis Conditions." E-Journal of Chemistry 9, no. 2 (2012): 659–68. http://dx.doi.org/10.1155/2012/109765.

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The aim of the present research was optimization of practical conditions of the sol-gel synthesis. In so doing, silica particles were synthesized using sol-gel method and their size and morphology were investigated by use of SEM and TEM images. The effect of changing molar ratio of reactive including acids and silica pre-matter on the particles' morphology and size was studied. Also, acid type and silica pre-matter used in reaction was examined and the result product of the reaction were investigated in the presence of several acids and two types of silica pre-matter. The reaction time was stu
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Nomura, Katsuhiro, Masakazu Daté, Hiroyuki Kageyama, and Susumu Tsubota. "Ultramarine colored: Solid-phase elution of Pt into perovskite oxides." Journal of Materials Research 22, no. 10 (2007): 2647–50. http://dx.doi.org/10.1557/jmr.2007.0340.

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We have found a new route for preparing Pt containing perovskites. Ba containing perovskite powder, (La0.7Sr0.2Ba0.1)ScO3–δ (LSBS), reacted with Pt foil at 1898 K in air, and formed ultramarine colored Pt containing perovskite, (La0.7Sr0.2Ba0.1)(Sc,Pt)O3–δ, without changing the GdFeO3-type structure. The chemical compositions of the samples before and after firing, measured with inductively coupled plasma (ICP) optical emission spectrometry, were La: Sr: Ba: Sc = 0.70(1): 0.206(4): 0.101(2): 0.98(2) and La: Sr: Ba: Sc: Pt = 0.70(1): 0.197(4): 0.085(2): 0.95(2): 0.0062(2), respectively. The rea
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9

Savin, S. D. "Stabilization consciousness in the changing Russian society." RUDN Journal of Sociology 23, no. 4 (2023): 770–86. http://dx.doi.org/10.22363/2313-2272-2023-23-4-770-786.

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In recent decades, the growing dynamics of social processes requires a new theoretical-methodological approach to the analysis of the mass consciousness reaction to these changes. In what cases are such changes determined by expectations or requests for change, and in what cases do changes determine a reaction to stabilize the social system? How does public opinion strive to maintain or restore stability in the changing world? The complex structure of society as a system predetermines the dynamics of social sentiments, setting the logic of change and highlighting the dominant functions of diff
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10

Liu, Ning, Wen Qian Li, Xin Qian, Hai Yan Fan, Gen Fa Lu, and Liang Min Gao. "On-Site Operation of a Composting-Type Eco-Toilet Using Beanstalk and Sawdust as Matrix." Advanced Materials Research 599 (November 2012): 592–97. http://dx.doi.org/10.4028/www.scientific.net/amr.599.592.

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This study evaluated the feasibility of the mixed material as matrix of eco-toilet and the temporal change of pH value, T-N, T-P, T-K, organic matter and total reduction rate of dry weight in the compost. The mixed material of beanstalk and sawdust with a volume ratio of 1:1 can be used as reaction matrix of on-site composting-type eco-toilet to improve the microbial treatment of human feces. The human feces and urine could be composted to organic fertilizer rich in elements N, P and K. Change of pH in the toilet was divided two phases: changing phase (7.1-8.8) and stable phase (8.4-8.5). T-N,
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11

Yurishima, Ryuta, Yoshiki Takagiwa, Ayako Ikeda та Teruyuki Ikeda. "Microstructure Optimization of Thermoelectric τ1-Al2Fe3Si3 via Graded Temperature Heat Treatments". Materials 17, № 23 (2024): 5899. https://doi.org/10.3390/ma17235899.

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To investigate the relationship between microstructure, chemical composition, and thermoelectric properties, we have applied graded temperature heat treatments to recently developed τ1-Al2Fe3Si3-based thermoelectric (FAST) materials formed by a peritectic reaction. We investigated microstructures, chemical compositions, and Seebeck coefficients as continuous functions of heat treatment temperature. The τ1 phase can become p- and n-type semiconductors without doping by changing the Al/Si ratio. The Seebeck coefficient was maximized, exceeding |S| > 140 μVK−1 for both p- and n-type materials,
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Pączkowski, Przemysław, and Barbara Gawdzik. "Studies on Preparation, Characterization and Application of Porous Functionalized Glycidyl Methacrylate-Based Microspheres." Materials 14, no. 6 (2021): 1438. http://dx.doi.org/10.3390/ma14061438.

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A one-step swelling and polymerization technique was used in the synthesis of porous glycidyl methacrylate (GMA) and ethylene glycol dimethacrylate (EGDMA) monodisperse polymeric microspheres. The polystyrene (PS) seed obtained in the dispersion polymerization was used as a shape template. The presence of epoxide rings in the chemical structure of microspheres enables their post-polymerization chemical modifications involving: the Diels-Alder reaction with sodium cyclopentadienide and maleic anhydride, the reaction with 4,4′-(bismaleimido)diphenylmethane, and the thiol-Michael reaction with me
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13

Xu, Ming Han, Fang Wang, Chao Yang, et al. "Microstructure Formation and Characterization of Nano-Tin Oxide Thin Films Prepared Using Different Concentration." Materials Science Forum 977 (February 2020): 72–77. http://dx.doi.org/10.4028/www.scientific.net/msf.977.72.

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Nano-SnO2 is a relatively important semiconductor material. Its crystal structure is unique rutile type. It has the advantages of high conductivity, high transparency and stable chemical properties. It is widely used in gas sensing detectors and solar cells for photoelectric conversion. Applications. In this paper, SnO2 nanofilms with different crystal structures were prepared by changing the three process parameters of salt concentration, reaction time and hydrothermal temperature in hydrothermal method. The samples were tested by scanning electron microscopy (SEM) and three-dimensional ultra
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14

Takahashi, A., H. Miyamaru, and K. Ochiai. "Search for Enhanced D+D+D Reactions under D+ Beam Irradiation into TiDx Targets." Solid State Phenomena 107 (October 2005): 55–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.107.55.

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To search possible enhancement of three-body D+D+D fusion reaction in condensed matter, we have studied for 10 years about emitted charged particle spectra from titanium-deuterate (TiDx) samples under low energy D+ beam irradiation. By gas loading technique with changing temperature, we prepared TiDx samples with x = 1.4 - 1.8. A TiDx sample was mounted in a vacuum chamber with cooling and irradiated with 70 – 300 keV D+ beam. A delta-E and E type counter telescope using two Si-SSD detectors was used for charged particle spectroscopy. Charged particles from D+D fusion reactions, e.g., 3MeV pro
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15

Sánchez-Padilla, Nora Mayté, Sagrario M. Montemayor, and F. J. Rodríguez Varela. "An Easy Route to Synthesize Novel Fe3O4@Pt Core-shell Nanostructures with High Electrocatalytic Activity." Journal of New Materials for Electrochemical Systems 15, no. 3 (2012): 171–79. http://dx.doi.org/10.14447/jnmes.v15i3.62.

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In this work, the effect of changing the stirring method and temperature on the physicochemical properties of metallic nanoparticles and core-shell nanostructures is shown. Magnetic (MS), mechanical (UT) and ultrasonic (USS) stirring are the methods of synthesis. The effect that, temperatures between 0 and 50 °C, has on the structure and particle size of Fe3O4 nanoparticles is evaluated. The results indicate that Fe3O4 prepared by the three methods presents a spinel-type crystalline structure. An increase in the synthesis temperature leads to highly crystalline powders. Afterwards, Pt is depos
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16

Liu, Hui, Yanping Wu, Zhifang Li, and Hua Lu. "Aza boron-pyridyl-isoindoline isomers: synthesis and photophysical properties." Journal of Porphyrins and Phthalocyanines 18, no. 08n09 (2014): 679–85. http://dx.doi.org/10.1142/s1088424614500448.

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By changing benzo-fused position on pyridyl unit, three aza boron-pyridyl-isoindoline isomers, a new type of BODIPY analog, are synthesized through a facile two step reaction. These isomers show broad envelopes of intense vibrational bands in the absorption and emission spectra with moderate fluorescence quantum yields. In comparison to those of classical BODIPYs, significant fluorescence intensity are observed for these isomers in film and powder. An analysis of the structure-property relationships has been carried out based on X-ray crystallography, optical spectroscopy, and theoretical calc
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17

Sahin, Mustafa, Muhammed Ozgolet, Hasan Cankurt, and Enes Dertli. "Harnessing the Role of Three Lactic Acid Bacteria (LAB) Strains for Type II Sourdough Production and Influence of Sourdoughs on Bread Quality and Maillard Reaction Products." Foods 13, no. 12 (2024): 1801. http://dx.doi.org/10.3390/foods13121801.

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This study tested the effect of Companilactobacillus paralimentarius E-106, Lactiplantibacillus paraplantarum N-15 and Lactiplantibacillus plantarum SC-9 on the amount of Maillard reaction and aroma profile in bread making with main bread quality parameters. The specific volumes of sourdough and control breads were in the range of 2.97–3.04 cm3/g, and the control II bread had the highest hardness values on all days. The FAST index value was determined to be between 40.48% and 81.22% in all breads. The FAST index value was found to be higher in the control breads than in the sourdough breads. I
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18

Yamamoto, Chihiro, Atsunori Ikezawa, and Hajime Arai. "Phase Transition Behavior of Biphasic Systems Affected By the Charge-Transfer Process." ECS Meeting Abstracts MA2023-02, no. 2 (2023): 270. http://dx.doi.org/10.1149/ma2023-022270mtgabs.

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Lithium-ion batteries have attracted attention with the development of electric vehicles and the introduction of renewable energy. For use in these applications, lithium-ion batteries with fast charge and discharge acceptability are particularly important. The charge and discharge reactions of lithium-ion batteries are limited by several factors such as ion and electron transfer in the electrode and electrolyte, charge transfer at the electrode-electrolyte interface, and reaction rates during phase transitions. It has been reported that the rate limiting factor of the biphasic materials is the
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Knyazeva, Anna G., and Olga N. Kryukova. "Features of initiation of reactions in a flat layer located on a substrate by a mobile energy source." Himičeskaâ fizika i mezoskopiâ 26, no. 1 (2024): 5–21. http://dx.doi.org/10.62669/17270227.2024.1.1.

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In the conditions of the surface treatment of materials and coating application using mixtures of powders (metals, metals and nonmetals, metals and oxides) capable of chemical interactions, problems similar to those of solid-phase combustion theory arise. Currently available publications, which confirm the fact of the reactions, are limited to the analysis of the obtained structures, mechanical properties and the statement of the presence of certain compounds and phases. We present the reduced models for the synthesis of composites on a planar substrate allowing us to analyze qualitative effec
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20

Zhang, Wan, Xian Fu Wei, Pei Qing Huang, and Chao Lu. "The Effect of Photoinitiator on UV Screen Printing Photochromic Ink’S Curing Performance." Advanced Materials Research 174 (December 2010): 433–36. http://dx.doi.org/10.4028/www.scientific.net/amr.174.433.

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UV screen printing Photochromic ink mainly includes pre-polymer, monomer, Photochromic materials, Photoinitiator, etc, and the curing process of ink is that under the irradiation of UV light source, the liquid substances with chemical reactivity are rapidly changed to the solid state, in this reaction process, Photoinitiator can promote the advancement of reaction, therefore, Photoinitiator directly affect the curing performance of inks. The inks are respectively prepared by changing the quantity and type of Photoinitiator, and the curing speeds are tested. The result shows when the quantity o
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Arnista, Paweł, Michał Biegajło, Andrzej Mastalerz, and Tomasz Niźnikowski. "Effects of Surface Type on Balance Control Strategies in Handstand." Polish Journal of Sport and Tourism 27, no. 4 (2020): 3–6. http://dx.doi.org/10.2478/pjst-2020-0019.

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Abstract Introduction. A proper manner of maintaining body balance in handstand requires high levels of motor and coordination skills and, first and foremost, specialist training. Therefore, this study sought to determine the effects of surface type on body balance strategies in handstand. Material and Methods. The study included twelve Polish National Team artistic gymnasts with training experience of 16.5 ± 2.12 years. Pedagogical experiment was used as the research method. Body balance assessment of gymnasts was carried out using three tests on different types of the surface. In the first t
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Maxim, Florentina, Paula Ferreira, Paula Vilarinho, Ian Reaney, Anne Aimable, and Paul Bowen. "Solution based approaches for the morphology control of BaTiO3 particulates." Processing and Application of Ceramics 4, no. 3 (2010): 115–25. http://dx.doi.org/10.2298/pac1003115m.

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Within the action COST 539 - ELENA our contribution was aimed at studying solution based approaches for the morphology control of BaTiO3 particulates. Initially, our kinetic analysis and systematic structural and morphological studies, demonstrated that during hydrothermal synthesis from layered titanate nanotubes (TiNTS), BaTiO3 forms via two mechanisms depending on the temperature and time. At low temperatures (90?C), 'wild' type BaTiO3 dendritic particles with cubic structure were formed through a phase boundary topotactic reaction. At higher temperatures and/or for longer times time, the r
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23

Jovana Tešinović, Svetlana Borojevic, and Strahinja Dimitrijević. "Does Changing the Font Type Affect the Processing of Words Written in Cyrillic and Latin Alphabet?" Primenjena psihologija 15, no. 2 (2022): 179–98. http://dx.doi.org/10.19090/pp.v15i2.2359.

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To understand the reading process, it is necessary to explore the mechanisms of visual word recognition. The basic level of that recognition is the processing of letters, their size and visual identity. The specificity of the Serbian language is characterized by the parallel use of two alphabetic systems – Latin and Cyrillic, which contain a number of common, but also their own unique letters. Since some of the differences between the fonts are based on visual specific aditions at the end of letter's lines, there is also a significant contribution of fonts in letter recognition and reading. Th
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Belevičius, Rimantas, Saulius Valentinavičius, and Edvard Michnevič. "MULTILEVEL OPTIMIZATION OF GRILLAGES." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 8, no. 2 (2002): 98–103. http://dx.doi.org/10.3846/13923730.2002.10531259.

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The mathematical models and solution algorithms for optimization of grillage-type foundations are presented. Optimization of grillage is based on optimization of separate beams comprising grillage. Minimising of maximum in absolute value vertical reactive force, bending moment, and reaction-bending moment together is sought in a separate beam. All these problems are non-linear, therefore are solved iteratively changing in each iteration the structure shape to a better neighbouring shape. Solution of this requires three steps: finite element analysis, analytical sensitivity analysis, and optima
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Krasowicz, Krzysztof. "The Influence of Orthotics on Lower Limbs Biomechanics in CP." Ortopedia Traumatologia Rehabilitacja 21, no. 5 (2019): 389–98. http://dx.doi.org/10.5604/01.3001.0013.5791.

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The biomechanics of the human body has a direct impact on the quality of gait cycle. Patients with Cerebral Palsy (CP) often present incorrect gait patterns associated with structural deformities which directly influence the locomotor functions. The key to therapeutic success in those patients is the use of lower limb orthotics of the AFO type. This type of orthopedic devices should correct the skeletal deformities, optimize function and ensure high quality of daily use. Alignment of the lower limb supported by orthotics in all planes is crucial for changing the abnormal position of the ground
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Kumar, Manjith, and Shekar Bhattacharya. "Flame synthesis and characterization of nanocrystalline titania powders." Processing and Application of Ceramics 6, no. 3 (2012): 165–71. http://dx.doi.org/10.2298/pac1203165k.

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Flame reactors are considered to be one of the most promising and versatile synthesis routes for the largescale production of submicron and nanosized particles. An annular co-flow type oxy-gas diffusion burner was designed for its application in a modular flame reactor for the synthesis of nanocrystalline oxide ceramics. The burner consisted of multiple ports for the individually regulated flow of a precursor vapour, inert gas, fuel gas and oxidizer. The nanopowders formed during flame synthesis in the reaction chamber were collected by a suitable set of filters. In the present study, TTIP was
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Skurat, V. E., G. D. Tantsyreve, N. G. Beriozkina, et al. "Surface Contamination of Some Materials of the Space Station ‘MIR’." High Performance Polymers 13, no. 4 (2001): 337–53. http://dx.doi.org/10.1088/0954-0083/13/4/311.

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About 60 samples of various materials exposed to low Earth orbit (LEO) conditions for 997 days on board the orbital space station ‘Mir’ were investigated. The aim was to determine the properties of the contamination layers formed during LEO exposition. The following methods were used: optical and scanning electron microscopy, local x-ray microanalysis, secondary ion mass spectrometry in fast atom bombardment ionization mode, electron spectroscopy for chemical analysis, temperature programmed desorption mass spectrometry, x-ray phase analysis, spectral reflectance, solar absorbance and relative
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28

ferguson, priscilla parkhurst. "Michelin in America." Gastronomica 8, no. 1 (2008): 49–55. http://dx.doi.org/10.1525/gfc.2008.8.1.49.

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In November 2005, the venerable Michelin Guide crossed the Atlantic with its assessment of New York restaurants and hotels. Three models of food supply the context for the American reaction. The idiosyncratic judgments of the Judge, are those of critics from A.B.L. Grimod de la Reynièère in the early 19th century to reviewers and bloggers today. The next, dating from the advent of the Michelin in the 1920s, is the Tribunal, whose evaluations are the anonymous verdicts of trained inspectors. Zagat's, first published in 1979, is the Plebiscite, which tallies votes of any diner who fills out a ba
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Jędryczka, Małgorzata, Adam Burzyński, Andrzej Brachaczek, Wojciech Langwiński, Peiling Song, and Joanna Kaczmarek. "Loop-mediated isothermal amplification as a good tool to study changing Leptosphaeria populations in oilseed rape plants and air samples." Acta Agrobotanica 66, no. 4 (2014): 93–100. http://dx.doi.org/10.5586/aa.2013.055.

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LAMP is an innovative, simple, rapid, specific and cost-effective nucleic acid amplification method. Due to the use of a special enzyme – GspSSD polymerase, the reaction takes a short time and can be performed at isothermal conditions. The sensitivity and specificity of LAMP technique is significantly higher, than standard PCR techniques, as two or three specific primer pairs are used. The technique is regarded as a useful tool for the detection and identification of plant pathogens. In this work, LAMP was used to study the composition of the population of fungi of the genus <em>Leptosph
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Sikora, Emőke, Adrienn Kiss, Zsuzsa H. Göndör, et al. "Fine-tuning the catalytic activity by applying nitrogen-doped carbon nanotubes as catalyst supports for the hydrogenation of olefins." Reaction Kinetics, Mechanisms and Catalysis 129, no. 1 (2019): 95–106. http://dx.doi.org/10.1007/s11144-019-01705-7.

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AbstractNitrogen-free multi-wall carbon nanotubes (MWCNTs) and N-doped bamboo-like carbon nanotubes (BCNTs) were synthesized by using catalytic vapor deposition (CVD) and used as catalyst support materials. Pd, Rh, Ru, and Ir have been deposited onto the nanotubes to achieve metal/nanotube catalysts. The catalytic activity of the samples was fine-tuned by changing the type of support. BCNT supported Pd and Rh (Pd/BCNT, Rh/MWCNT) catalysts were found to be the most active for liquid phase hydrogenation of octadecene amongst these samples. The initial olefin hydrogenation rate of the Pd/BCNT sam
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31

Sarwanto, Yosef, and Wisnu Ari Adi. "CRYSTALLOGRAPHIC STRUCTURE AND MAGNETIC PROPERTIES OF PSEUDOBROOKITE Fe2-XNiXTiO5 SYSTEM (x = 0, 0.1, 0.2, 0.3, 0.5 and 1)." Jurnal Sains Materi Indonesia 19, no. 2 (2018): 47. http://dx.doi.org/10.17146/jsmi.2018.19.2.4144.

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Crystallographic structure and magnetic properties of pseudobrookite Fe2-xNixTiO5 system (x = 0, 0.1, 0.2, 0.3, 0.5 and 1) have been performed through solid state reaction. Pseudobrookite Fe2-xNixTiO5 system was synthesized by mixing of Fe2O3, NiO, and TiO2 with stoichiometry composition using wet mill. The mixture was milled for 5 hours and sintered in the electric chamber furnace at 1000 oC in the air at atmosphere pressure for 5 hours. The refinement against of X-ray diffraction data shows that the sampless with composition of (x = 0) and (x = 0.1) have a single phase with Fe2TiO5 structure
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Osinkin, Denis A., та Elena Yu Pikalova. "Structural stability and features of electrical and electrochemical behavior under reducing conditions of Pr0.4Sr0.6Co0.2Fe0.7Nb0.1O3–δ material for the symmetrical SOFCs". Electrochemical Materials and Technologies 3, № 3 (2024): 20243039. http://dx.doi.org/10.15826/elmattech.2024.3.039.

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In this study, a performance of the complex oxide composition of Pr0.4Sr0.6Co0.2Fe0.7Nb0.1O3–δ was investigated from the viewpoint of its use as a fuel or symmetrical electrode for the electrochemical devices with a LaGaO3-based solid electrolyte. The results show that the above-mentioned oxide can be obtained as a single-phase composition using solid-phase synthesis with a final annealing temperature of 1150 °C. It has been shown that the oxide retains satisfactory stability at 800 °C in an atmosphere of 5 % H2 + Ar, only a minor amount, presumably of Co-Fe alloy, has been detected. The elect
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Wu, Yu-Chi, Yu-Hong Wei, and Ho-Shing Wu. "Adsorption and Desorption Behavior of Ectoine Using Dowex® HCR-S Ion-Exchange Resin." Processes 9, no. 11 (2021): 2068. http://dx.doi.org/10.3390/pr9112068.

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Dowex® HCR-S ion-exchange resin was used to adsorb ectoine in a batch system under varying operation conditions in terms of contact time, temperature, pH value, initial concentration of ectoine, and type of salt. Six adsorption isotherm models (Langmuir, Freundlich, Temkin, Dubinin–Radushkevich, Sips, and Redlich–Peterson) and three kinetic models (pseudo-first-order, pseudo-second-order, and intraparticle diffusion) were used to investigate the ectoine adsorption mechanism of ion-exchange resin. According to the experimental results, the mechanism of ectoine adsorption using an ion exchanger
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Faubert, Patrick, Claas Müller, Holger Reinecke, Peter Smyrek, Johannes Proell, and Wilhelm Pfleging. "Femtosecond laser structuring of novel electrodes for 3D fuel cell design with increased reaction surface." MRS Proceedings 1777 (2015): 7–13. http://dx.doi.org/10.1557/opl.2015.507.

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ABSTRACTThe scalable storage of renewable energy by means of converting water to hydrogen fuels electrochemically hinges on fundamental improvements in catalytic materials. However, many applications exist where an extended lifetime is virtually crucial for their functionality and success, e.g. in case of limited accessibility such as tire pressure sensors or biomedical implants. For these kinds of applications, the ultimate power supply should be a self-renewing energy source. This strategy is pursued by the concept of Micro Energy Harvesting (MEH). Within a MEH system a micro generator conve
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35

Sartori, Cristina, Francesco Tiezzi, Nadia Guzzo, Enrico Mancin, Beniamino Tuliozi, and Roberto Mantovani. "Genotype by Environment Interaction and Selection Response for Milk Yield Traits and Conformation in a Local Cattle Breed Using a Reaction Norm Approach." Animals 12, no. 7 (2022): 839. http://dx.doi.org/10.3390/ani12070839.

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Local breeds are often reared in various environmental conditions (EC), suggesting that genotype by environment interaction (GxE) could influence genetic progress. This study aimed at investigating GxE and response to selection (R) in Rendena cattle under diverse EC. Traits included milk, fat, and protein yields, fat and protein percentage, and somatic cell score, three-factor scores and 24 linear type traits. The traits belonged to 11,085 cows (615 sires). Variance components were estimated in a two-step reaction norm model (RNM). A single trait animal model was run to obtain the solutions of
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36

Pierce, Jordan E., and Jennifer E. McDowell. "Modulation of cognitive control levels via manipulation of saccade trial-type probability assessed with event-related BOLD fMRI." Journal of Neurophysiology 115, no. 2 (2016): 763–72. http://dx.doi.org/10.1152/jn.00776.2015.

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Cognitive control supports flexible behavior adapted to meet current goals and can be modeled through investigation of saccade tasks with varying cognitive demands. Basic prosaccades (rapid glances toward a newly appearing stimulus) are supported by neural circuitry, including occipital and posterior parietal cortex, frontal and supplementary eye fields, and basal ganglia. These trials can be contrasted with complex antisaccades (glances toward the mirror image location of a stimulus), which are characterized by greater functional magnetic resonance imaging (MRI) blood oxygenation level-depend
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Lahnamäki-Kivelä, Susanna, and Tuomas Kuhmonen. "How Farmers Conceive and Cope with Megatrends: The Case of Finnish Dairy Farmers." Sustainability 14, no. 4 (2022): 2265. http://dx.doi.org/10.3390/su14042265.

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Megatrends (urbanization, digitalization, globalization, climate change, etc.) are mainstream developments that affect most economic activities. These megatrends have varying incidences and impacts on individual entrepreneurs and enterprises, also in farming sector. A farmer can either ignore or try to adapt to or benefit from megatrends. This reaction depends on many things: individuals’ futures orientation, management practices, business strategy, sunk costs, the life cycle and type of business, for example. The study explores the association between eight common megatrends and business stra
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Barchiy, Igor, Valeriya Tovt, Michal Piasecki, et al. "Tl2Se–TlInSe2–Tl4P2Se6 QUASITERNARY SYSTEM." Ukrainian Chemistry Journal 85, no. 2 (2019): 101–10. http://dx.doi.org/10.33609/0041-6045.85.2.2019.101-110.

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Complex chalcogenide compound are widely used as working elements for semiconductor optical technology, thermal generation, solar power. Special attention is paid to compounds of the M2P2Se6 type (M – Ag, Cu) which due to its layer crystal structure possess promising ferroelectric, thermoelectric and electro-optical properties. Heterovalent substitutions of cations 2М2+ ® 4M1+ in the composition of M2P2Se6 type compounds must leads to deformation of the crystal structure, changing in the value of the dipole moment and, accordingly, to change the electro-physical properties.
 The Tl2Se–In2
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39

Maier, F. J., M. Schneider, A. Artemenko, A. Kromka, M. Stöger-Pollach, and U. Schmid. "Temperature and ambient atmosphere dependent electrical characterization of sputtered IrO2/TiO2/IrO2 capacitors." Journal of Applied Physics 131, no. 9 (2022): 095301. http://dx.doi.org/10.1063/5.0080139.

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Titanium dioxide (TiO2) is a high-performance material for emerging device applications, such as in resistive switching memories, in high-k capacitors, or, due to its flexoelectricity, in micro/nano-electro-mechanical systems. Enhanced electrical properties of TiO2 are ensured, especially by a careful selection of the bottom electrode material. Iridium dioxide (IrO2) is an excellent choice, as it favors the high-k rutile phase growth of TiO2. In this study, we introduce the fabrication of IrO2/TiO2/IrO2 capacitors and thoroughly characterize their electrical behavior. These capacitors show a d
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40

Sabirov, Rashid A., and Elena N. Fisenko. "Modeling of suspended weightlessness on the cables of the beam system, by changing the tension forces." Siberian Aerospace Journal 24, no. 3 (2023): 482–500. http://dx.doi.org/10.31772/2712-8970-2023-24-3-482-500.

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The problem of weightlessness simulation of beam systems suspended on inextensible cables is considered. Imitation of weightlessness means zeroing or reducing any selected force factor (for example, the reaction of the support or the moment in the support or joint), and the kinematic factor (deflection or angle of rotation). It is required to select the forces in the cables such that the sum of the squares of the deflections at the points of the elastic line of the beam is minimal. The problem is formulated as a nonlinear programming problem; the search for the minimum of the objective functio
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41

Samanta, B. C., and T. Maity. "Effect of red mud waste filler on mechanical and thermal properties of amine functional aniline furfuraldehyde condensate (AFAFFC) modified epoxy composite." Pigment & Resin Technology 45, no. 3 (2016): 184–90. http://dx.doi.org/10.1108/prt-05-2015-0045.

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Purpose This paper aims to evaluate the concentration effect of red mud waste filler on mechanical and thermal properties of amine functional aniline furfuraldehyde condensate (AFAFFC) modified epoxy composite along with the optimum result of modified epoxy. Design/methodology/approach For effective toughening, different compositions were made by adding various concentration of AFAFFC to epoxy. The concentration of 2, 5 and 10 parts per hundred parts of epoxy resin of aluminium silicate-based pristine red mud waste was incorporated into the each modified epoxy matrix. These filled modified mat
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Háznagy, Márton Benedek, Antal Csámpai, Imre Ugrai, Barnabás Molnár, Matti Haukka, and Zsolt Szakonyi. "Stereoselective Synthesis and Catalytical Application of Perillaldehyde-Based 3-Amino-1,2-diol Regioisomers." International Journal of Molecular Sciences 25, no. 8 (2024): 4325. http://dx.doi.org/10.3390/ijms25084325.

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A library of regioisomeric monoterpene-based aminodiols was synthesised and applied as chiral catalysts in the addition of diethylzinc to benzaldehyde. The synthesis of the first type of aminodiols was achieved starting from (−)-8,9-dihydroperillaldehyde via reductive amination, followed by Boc protection and dihydroxylation with the OsO4/NMO system. Separation of formed stereoisomers resulted in a library of aminodiol diastereoisomers. The library of regioisomeric analogues was obtained starting from (−)-8,9-dihydroperillic alcohol, which was transformed into a mixture of allylic trichloroace
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43

Berardi, Alberto, Maarten Jaspers, and Bastiaan H. J. Dickhoff. "Modeling the Impact of Excipients Selection on Nitrosamine Formation towards Risk Mitigation." Pharmaceutics 15, no. 8 (2023): 2015. http://dx.doi.org/10.3390/pharmaceutics15082015.

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Risk control for nitrosamine impurities in drug products is currently a major challenge in the industry. Nitrosamines can form during drug product manufacturing and storage through the reaction of nitrites with amine-containing APIs or impurities. The level of nitrites in excipients and the rate of reaction often control the build-up of nitrosamine. Although the variability in nitrite levels across excipient types and suppliers is well recognized, the impact of excipient selection on the level of nitrosamine formed has not been systematically studied. This gap of knowledge is addressed in the
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44

WEHNER, STEFAN. "THECO-OXIDATION REACTION ONIr(111) SURFACES: BISTABILITY, NOISE AND SPATIO-TEMPORAL PATTERNS IN EXPERIMENT AND MODELING." International Journal of Bifurcation and Chaos 19, no. 08 (2009): 2637–75. http://dx.doi.org/10.1142/s0218127409024384.

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This review summarizes recent studies on the catalytic CO oxidation on Iridium(111) surfaces. This was investigated experimentally under ultrahigh vacuum (UHV) conditions using mass spectroscopy to detect gaseous products and photoelectron emission microscopy (PEEM) to visualize surface species. The underlying reaction–diffusion system based on the Langmuir–Hinshelwood mechanism was analyzed numerically.The existence of bistability for this surface reaction was shown in experiment. For the first time the effect of noise on a bistable surface reaction was examined. In a surface science experime
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45

Khattab, Tawfik A., Mehrez E. El-Naggar, Meram S. Abdelrahman, Ali Aldalbahi, and Mohammad Rafe Hatshan. "Simple Development of Novel Reversible Colorimetric Thermometer Using Urea Organogel Embedded with Thermochromic Hydrazone Chromophore." Chemosensors 8, no. 4 (2020): 132. http://dx.doi.org/10.3390/chemosensors8040132.

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Thermochromic urea (U) organogel immobilized with a thermochromic tricyanofuran hydrazone (TCFH) chromophore was developed. Thermochromic TCFH chromophore bearing two nitro functional groups on a hydrazone recognition unit was synthesized via an azo-coupling reaction of tricyanofuran (TCF) heterocyclic moiety containing an active methyl group with the diazonium chloride salt of 2,4-dinitroaniline comprising two strongly electron-withdrawing nitro groups. The molecular structure of both intermediates and TCFH dye were characterized by several analytical methods, including 1H NMR, 13C NMR, IR, m
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46

Nishimura, Toshihiro, Akihiro Ishii, Itaru Oikawa, and Hitoshi Takamura. "(Invited) Synthesis of LiAlO2 Polymorphs Under High Pressure and Their Lithium-Ion Conductivity." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3477. https://doi.org/10.1149/ma2024-02483477mtgabs.

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Bottleneck sizes for ion migration have been considered an important decisive factor for Li+ conductivity. Experimental verification was carried out by doping isovalent ions of different sizes into matrix crystals and measuring their conductivity. However, this approach affects not only the bottleneck size but also the softness of the ions comprising the bottleneck. Aiming for a detailed experimental verification of the impact of bottleneck size on Li+ conductivity, this work synthesized α-, β-, γ-, and δ-LiAlO2 polymorphs, which provide a variety of bottleneck sizes without changing the compo
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47

Samimi, Setareh, and Michele David. "Hemolytic Reaction Following Intravenous Immunoglobulin (IVIg) for Platelet Alloimmunization During Pregnancy." Blood 116, no. 21 (2010): 4409. http://dx.doi.org/10.1182/blood.v116.21.4409.4409.

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Abstract Abstract 4409 IVIg has become standard therapy for the prevention of severe neonatal thrombocytopenia in women with platelet alloimmunization (Bussel et al. Blood Reviews 2008). A regimen of IVIg 1g/kg twice weekly is increasingly being given for this indication. Although the benefits of this regimen outweigh its risks, clinically significant hemolysis can occur. We report here the case of a 36 year old woman who experienced hemolysis requiring red blood cell transfusions after administration of high dose IVIg for platelet alloimmunization during her second pregnancy. Her first pregna
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48

Patric, D., and G. Schaab. "GROUND TRUTHING: STUDYING PERI-URBANIZATION AND LAND-BASED LIVELIHOODS IN MANKWENG AND ITS ENVIRONS (LIMPOPO, SOUTH AFRICA)." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLVIII-M-1-2023 (April 21, 2023): 241–48. http://dx.doi.org/10.5194/isprs-archives-xlviii-m-1-2023-241-2023.

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Abstract. Peri-urbanization is often referred to as a transition zone following either an urban-rural gradient or an inner and outer peri-urban zone. Contrary to these notions and linked to its history in a former homeland, peri-urbanization in Mankweng appears as a complex and erratic process in reaction to shifting livelihoods, in-migration, and climate change. The process of ground truth for the study was designed by accommodating a combination of remote sensing images of WorldView-3 for the densely, vastly changing populated area (200 km2) and of Sentinel-2 for the overall study area of 40
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KAYUMOV, AZIZ M., FERUZA I. KHAMRABAYEVA, and LALITA R. YUNUSOVA. "ANALYSIS OF PHYSICAL PERFORMANCE OF FOOTBALL PLAYERS CONSIDERING POLYMORPHISM OF ENDURANCE GENES." Bulletin of Contemporary Clinical Medicine 15, no. 6 (2022): 40–43. http://dx.doi.org/10.20969/vskm.2022.15(6).40-43.

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Abstract. Introduction. There are about 40 genes with polymorphisms associated with the development and manifestation of such human physical qualities as endurance, as well as functional characteristics and biochemical parameters that changing under the influence of physical activities of different kinds. In addition to the «sports» genetic markers of endurance, there are also genetic markers of «trainable endurance» identified as a result of dynamic (longitudinal) studies, when the effect of training and its relationship with genotypes is analyzed. Aim. The current study aimed to identify and
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50

Horwitz, Gabriela, Vera Kunz, Israel Temprano, Samuel Niblett, and Clare P. Grey. "Understanding the Reaction Mechanism and Kinetics of Mediated Li-O2 Batteries Using Flow Set-Ups and Cyclic Voltammetry." ECS Meeting Abstracts MA2023-02, no. 8 (2023): 3401. http://dx.doi.org/10.1149/ma2023-0283401mtgabs.

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Li-O2 batteries are very promising candidates for electromobility because of their very high theoretical energy density. Moreover, they are composed of abundant materials, as opposed to Li-ion batteries, which would make them a greener and cheaper alternative. The principal reaction in Li-O2 batteries is the formation of lithium peroxide during discharge via the oxygen reduction reaction (ORR), that is then oxidised during the charge by the oxygen evolution reaction (OER). One of the major challenges of Li-O2 batteries is related to the insulating nature of their discharge product, that signif
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