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3461
Advances in reactive air wetting and brazing of engineering ceramics
Published 2025-01-01“…Finally, some helpful conclusions are drawn after summarizing the RAB of oxide ceramics. The prospects for RAB of SiC and high-entropy oxide ceramics are proposed after summarizing the RAB of oxide and nonoxide ceramics, and several aspects are proposed for promoting the development and application of RAB technology.…”
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3462
Photoexcitation in thin films deposited on silicon substrates by reactive pulsed laser ablation
Published 2001-01-01“…Reactive pulsed laser ablation is a very interesting method to deposit thin films of several materials and compounds such as oxides, nitrides, semiconductors and superconductors. …”
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3463
Comparison of the corrosion behavior and surface morphology of NiTi alloy and stainless steels in sodium chloride solution
Published 2016-01-01“…Oxide films formed on the surface of steels mainly contains iron oxides and chromium oxide, while the surface film of the NiTi alloy mainly contains TiO2 oxide.…”
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3464
Heteronuclear Fe-Mn Cyclopentadienyl Complexes Supported on Boehmite. Thermochemistry and Thermodynamics of their Decomposition
Published 2024-10-01“…EPR spectra most of the iron and manganese is stabilized on the surface of poorly crystallized aluminum oxide in the form of nanostructured iron and manganese oxides. …”
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3465
Elaboration of the Al-Al3Ni Alloy Eutectic by a Carbothermal Process
Published 2022-01-01“…The present study develops an elaborate method of materials Al-Al3Ni by carbothermic reduction of nickel oxide from the decomposition of Ni(NO3)2.4H2O mixed with aluminum powder. …”
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3466
Passivity and Semiconducting Behavior of a High Nitrogen Stainless Steel in Acidic NaCl Solution
Published 2016-01-01“…The angle resolved X-ray photoelectron spectrometric results revealed that the primary constituents of passive films formed in 0.05 mol/L H2SO4 + 0.5 mol/L NaCl solution were composed of iron oxides, manganese oxides, Cr2O3, and Cr(OH)3. Meanwhile, it indicated that molybdenum oxides did not exist in the oxide layer, but chloride ions were present in the passive films.…”
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3467
The Sediment Profile and Heavy Metal Content of Lead (Pb), Copper (Cu), and Silver (Ag) in The Waters of Saparua Island
Published 2025-01-01“…The level of lead metal contained in the sediments in the waters of Saparua Island ranges from <12–26 ppm. Metal oxides, especially metal oxides formed from Cu, were found in sediments in the waters of Saparua Island with location points P.8 and P.9, namely CuO 0.0056% and 0.0031% and in sediments in Saparua Island waters with a value of 2Ɵ in sediment samples. …”
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3468
The Hydrolysis of Carbonyl Sulfide at Low Temperature: A Review
Published 2013-01-01“…It was indicated that the catalysts are mainly involved metal oxide and activated carbon. The active ingredients which can load on COS hydrolysis catalyst include alkali metal, alkaline earth metal, transition metal oxides, rare earth metal oxides, mixed metal oxides, and nanometal oxides. …”
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3469
Using Statistical Analysis as an Additional Tool in Porous Solid Characterization
Published 2011-05-01“…During the past several years, we have carried out a systematic study of the factors affecting the pore structure and surface chemistry of cerium oxide and of mixed oxides of cerium with various transition metal or alkaline earth metal ions.…”
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3470
A Review on Polyaniline: Synthesis, Properties, Nanocomposites, and Electrochemical Applications
Published 2022-01-01“…The unique structure of PANI, which is easy to prepare in its pure form or with various chemical compounds including metals, metal oxides, and carbon nanomaterials (such as carbon nanotubes, graphene, graphene oxide, and reduced graphene oxide), qualifies it for use in electrochemical applications. …”
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3471
Viscosity model for aluminosilicate melt
Published 2012-01-01“…It is indicated that basic oxides have two paradox influences on viscosity: basic oxide with a higher basicity decreases viscosity more greatly by forming weaker non-bridging oxygen bond; while it increases viscosity more greatly by forming stronger bridging oxygen bond in tetrahedron after charge compensating Al3+ ion. …”
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3472
Tannin with sodium carbonate: A single additive for poured earth concrete with tropical soils
Published 2025-03-01“…In particular, tannins combined with iron oxides can fluidify soils at an elevated pH, and chemical reactions between tannins and iron oxides lead to rapid solidification, enabling rapid unmolding and improving water resistance. …”
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3473
The Effects of Single and Bimetallic Silicon Composite Shields in Medical Imaging Methods: A Monte Carlo Study
Published 2025-01-01“…Materials and Methods: Three metal oxides, including Bismuth oxide (Bi2O3), Tungsten oxide (WO3), and Tin oxide (SnO2) were used as mono-metal and bimetallic compound silicon matrixes for clarification of their practical use. …”
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3474
Comprehension of Postmetallization Annealed MOCVD-TiO2 on (NH4)2S Treated III-V Semiconductors
Published 2012-01-01“…The dielectric constant and effective oxide charges are 46 and 1.96 × 1012 C/cm2, respectively. …”
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3475
Thin hafnia layer on silicon – Study of interfacial charging and charge transfer by resistometry and photoelectrochemistry
Published 2025-02-01“…Oxide layers on silicon (Si) can effectively reduce the surface recombination velocity due to chemical and field-effect passivation, thereby increasing efficiency of PV devices. …”
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3476
Promoted Catalytic Properties of Acetone over Cerium-Modified Mullite Catalyst YMn2O5
Published 2023-01-01“…Manganese species with higher chemical states are indeed more favorable for oxidation reactions on manganese-based catalysts. In addition, the reduction temperature of mixed oxides shifts to the lower temperature region, indicating that manganese and cerium oxides are more reducible, where the mobility of oxygen species is greatly enhanced. …”
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3477
Cytotoxic Activity of Bisphosphonic Derivatives Obtained by the Michaelis–Arbuzov or the Pudovik Reaction
Published 2025-01-01“…<b>Methods:</b> Methylenebisphosphonates may be obtained by the Michaelis–Arbuzov reaction of suitably α-substituted methylphosphonates and trialkyl phosphites or phosphinous esters, while the hydroxy-methylene variations are prepared by the Pudovik reaction of α-oxophosphonates and different >P(O)H reagents, such as diethyl phosphite and diarylphosphine oxides. <b>Results:</b> After converting α-hydroxy-benzylphosphonates and -phosphine oxides to the α-halogeno- and α-sulfonyloxy derivatives, they were utilized in the Michaelis–Arbuzov reaction with trialkyl phosphites and ethyl diphenylphosphinite to afford the corresponding bisphosphonate, bis(phosphine oxide) and phosphonate–phosphine oxide derivatives. …”
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3478
MXene-derived TiO2 nanosheets/rGO heterostructures for superior sodium-ion storage
Published 2025-01-01“…Transition metal oxides hold promise as electrode materials for energy-storage devices such as batteries and supercapacitors. …”
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3479
The influence of mechanochemical activation on the Zn–Ce–O composition properties
Published 2017-12-01“…The influence of mechanochemical treatment in air at different conditions (treatment time, ball-to-powder ratio, diameter of the balls) on oxide zinc–cerium composition ZnO–CeO 2 = 50:50 (molar ratio) properties was studied. …”
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3480
Fabrication of Affordable and Sustainable Solar Cells Using NiO/TiO2 P-N Heterojunction
Published 2018-01-01“…The need for affordable, clean, efficient, and sustainable solar cells informed this study. Metal oxide TiO2/NiO heterojunction solar cells were fabricated using the spray pyrolysis technique. …”
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