Results 71 to 80 of about 148,046 (264)

SYNTHESIS AND CHARACTERIZATION OF SrF2:Yb:Tm POWDERS

Конденсированные среды и межфазные границы, 2017
This paper discloses the results of synthesis of Sr1–x–yYbxTmyF2+x+y (x = 0.010–0.300; y = 0.001–0.060) solid solutions by various precipitation techniques, including so-called direct method, reverse method and simultaneous precipitation with different ...
Ermakova Juliya A., Kuznetsov Sergey V., Mayakova Mariya N., Voronov Valeriy V., Ermakov Roman P, Fedorov Pavel P.   +5 more
doaj   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

Advanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran, Vincent Nebel, Dominik Perius, Kshitij Kumar, Yannis Heim, Laura Bies, Tobias Kraus   +6 more
wiley   +1 more source

Towards an efficient and sustainable technique: A review on the preparation and synthesis of sorbents for in-tube solid-phase microextraction

TrAC Trends in Analytical Chemistry
Microextraction techniques are increasingly valued for their low sample requirements and consistency with green chemistry principles. Over time, several formats have been developed, enabling faster and automated analytical workflows. Among them, in tube-solid phase microextraction (IT-SPME) stands out as a powerful sample preparation technique ...
Taglioni, Enrico, Cavaliere, Chiara, Cerrato, Andrea, Laganà, Aldo, Montone, Carmela Maria, Capriotti, Anna Laura   +5 more
openaire   +2 more sources

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

Dispersive Solid Phase Extraction for the Analysis of Veterinary Drugs Applied to Food Samples: A Review

International Journal of Analytical Chemistry, 2017
To achieve analytical success, it is necessary to develop thorough clean-up procedures to extract analytes from the matrix. Dispersive solid phase extraction (DSPE) has been used as a pretreatment technique for the analysis of several compounds.
Gabriela Islas, Israel S. Ibarra, Prisciliano Hernandez, Jose M. Miranda, Alberto Cepeda   +4 more
doaj   +1 more source

Relation of the Aged Gels Microstructure on the Product (zeolite A) Particulate Properties

Acta Chimica Slovenica, 2015
The microstructure of the starting hydrogel has extremely important role in the synthesis of the microporous materials. Due to the fact that very limited number of experimental methods (techniques) can be used for gel analysis, there are still a lot of ...
Ana Palčić, Sanja Bosnar, Damir Bosnar, Jasminka Kontrec, Josip Bronić   +4 more
doaj   +1 more source

Extrusion‐Based Additive Manufacturing of Advanced Ceramics: Strengthening Mechanisms and Process Optimization Review

Advanced Engineering Materials, EarlyView.
This review comprehensively evaluates extrusion‐based additive manufacturing for advanced ceramics, detailing feedstock options and key process parameters. By critically addressing defect mechanisms like porosity and cracking, the work highlights optimization strategies through machine learning and advanced postprocessing.
Meisam Bakhtiari, Mohammad Hadi Sheikh‐Ansari, Avinash Borgaonkar, Mehran Dadkhah, Abdollah Saboori   +4 more
wiley   +1 more source

Advances in magnetic nanomaterials for biomedical sample pretreatment: synthesis, functionalization, and applications in magnetic solid-phase extraction

Advances in Sample Preparation
Magnetic nanomaterials (MNMs) are highly effective sorbents for biomedical sample pretreatment, leveraging their superparamagnetism, large specific surface area, and tunable surface functionalities. This review comprehensively examines MNM classification,
Jiarui Zhang, Shuang Feng, Yalin Xi, Meiyun Shi, Lei Yin   +4 more
doaj   +1 more source

Research Progress in the Cathode Materials of Lithium Iron Phosphate [PDF]

MATEC Web of Conferences
With the worldwide changes to renewables and electrifying transportation, LIBs are essential; however, the current cathodes have a high cost and poor thermal stability.
Feng Shanqin
doaj   +1 more source

High‐Resolution Corrosion Fingerprinting of Alloy Libraries via Microdroplet Spectroelectrochemistry

Advanced Engineering Materials, EarlyView.
Ionic‐liquid microdroplet spectroelectrochemistry enables stable, localized electrochemical measurements over extended timescales. By coupling impedance spectroscopy, wetting analysis, finite‐element simulations, and operando Raman spectroscopy, it disentangles geometrical and electrochemical effects, opening new opportunities for rapid corrosion ...
Ekaterina Kurchavova, Oumaïma Gharbi, Mireille Turmine, Vincent Vivier   +3 more
wiley   +1 more source