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Determining Modes of Thiol Collector Attachment at Sulfide Minerals by Optical, Electron Scanning and Laser Microscopy
AbstractThe optical, electron scanning and laser microscopy methods produced new experimental data on the adsorption layer generated by the chelating...
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The evolution of coal, examining the transitions from anthracite to natural graphite: a spectroscopy and optical microscopy evaluation
Coal-derived natural graphite (CDNG) has multiple industrial applications. Here, ten metamorphic coals from anthracite to CDNG were obtained from...
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Study of the Structure of Metasandstones Using Broadband Acoustic Spectroscopy with a Laser Source of Ultrasound
AbstractThe results of measuring the frequency dependences of the attenuation coefficient and phase velocity of longitudinal ultrasonic waves in...
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Potential Causes for Cracking of a Laser Powder Bed Fused Carbon-free FeCoMo Alloy
Compared to hot isostatic pressing or casting, laser-based powder bed fusion (LPBF) facilitates a near-net-shape fabrication of geometrically complex...
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Mass Quadrupole Spectrometry Coupled to Laser Ablation for Cultural Heritage Applications
Laser ablation coupled to mass quadrupole spectrometry (LAMQS) represents a versatile, microinvasive, and high-sensitivity technique to analyze...
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Diversity of the Structure of Diamond Crystals and Aggregates: Electron Backscatter Diffraction Data
AbstractDiamond crystals of various morphological types, including carbonado, were studied by the electron backscatter diffraction method. Cases of...
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Improvement of Part Accuracy by Combination of Pulsed Wave (PW) and Continuous Wave (CW) Laser Powder Bed Fusion
In this paper, a processing strategy is investigated to increase the geometric accuracy of parts fabricated by laser powder bed fusion (LPBF). Pulsed...
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Laser-Induced Breakdown Spectroscopy (LIBS) In-Situ: From Portable to Handheld Instrumentation
Over the last years, laser-induced breakdown spectroscopy (LIBS) has gained a very important role as a tool for in-situ cultural heritage...
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The Complexity of Porous Media Flow Characterized in a Microfluidic Model Based on Confocal Laser Scanning Microscopy and Micro-PIV
AbstractIn this study, the complexity of a steady-state flow through porous media is revealed using confocal laser scanning microscopy (CLSM)....
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Numerical Simulation and Test Investigation on Phase Transition and Thermal Cracking Process of Sandstone by Laser Drilling
Laser drilling is a new concept of petroleum exploitation technology, which is expected to bring a technological revolution in the field of petroleum...
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Optical Properties of Minerals in Cross Polarized Light (XPL)
In an anisotropic medium light is split into two rays, a slow ray and a fast ray. The difference in velocity results in a lag between the two rays...
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Recovery of Organomineral Gel Properties in Dried Soil Samples
AbstractBased on earlier study results, the drying process changes the soil properties and, in particular, the characteristic features of a specific...
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Investigation into the stability of synthetic goethite after dynamic shock compression
Goethite (α-FeOOH) is an iron-oxyhydroxide mineral that is commonly found in soils and is of importance within the context of industrial mineralogy...
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The impacts of Mn ion incorporation on the structural, optical, and magnetic properties of hematite NPs
The research focuses on the study of the ferromagnetic behaviour of α-Fe 2 O 3 NPs. Iron nanoparticles show prominent ferromagnetic behaviour compared...
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Atomic and microstructural origin of banded colours in purple-blue variety of agate from Yozgat Province, Turkey
Agates from Yozgat province are appreciated on the gem market for their white and purple-blue banded colours. In this study, we present a detailed...
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Exploring the probing capacities of MSA capped CdTe semiconductor quantum dots as optical chemsensors via analytical and isotherms modeling for selective Hg2+ detection
Heavy metal ions bioaccumulation can cause severe damage to environment and human health. Hence, the development of an effective detection assay of...
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Microstructure and Composition of Obsidian in the Neolithic Collection of the Almalo 1 Locality in Dagestan as an Indication of the Source of Raw Materials and Directions of Cultural Ties
Obsidian objects were discovered while studying archaeological Stone Age sites of the North-Eastern Caucasus. They were discovered at the Eneolithic...
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Unconfined compression behavior of basalt fiber–reinforced loess based on digital image correlation and scanning electron microscope
Basalt fiber is a promising reinforcement agent for loess engineering. In this study, unconfined compressive tests facilitated with the digital image...
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Production technique and multi-analytical characterization of a paint-plastered ceiling from the Late Antique villa of Negrar (Verona, Italy)
The research focuses on analyzing the production techniques and materials of a Roman paint-plastered ceiling from a Late Antique Roman villa near...
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Study on Aggregation Morphology and Resistance Reducing Properties of Drag Reducing Agents
In order to clarify the micro control mechanism of the macro drag reduction performance of drag reducing agents, a large number of micro...