Results 11 to 20 of about 244,391 (301)

Atomic Spectroscopy [PDF]

open access: yesAtomic Spectroscopy, 2022
Water is perhaps the most important molecule in the solar system, and determining its origin and distribution in planetary interiors has significant implications for understanding the formation and evolution of planetary bodies.
Gong, Bing   +6 more
openaire   +2 more sources

Three-dimensional Analyses of Geological Materials on Nanoscale by Electron Tomography [PDF]

open access: yes, 2022
Electron tomography (ET), an electron-microscopy-based technique that provides three-dimensional (3D) structural information from a tilt series of two-dimensional (2D) projections, has promoted the in-depth investigation of biological molecules in ...
Wu, Xiao   +10 more
core   +1 more source

Determination of Selenium by Platinum-coated Tungsten Coil Trap Hydride Generation-Atomic Absorption Spectrometry [PDF]

open access: yes, 2021
A highly sensitive analytical technique was developed in which gaseous hydrogen selenide generated by sodium tetrahydroborate reduction was transported and trapped on a resistively heated platinum-coated W-coil trap for in situ preconcentration.
Yıldız, Dilek
core   +1 more source

Electron Probe Microanalysis in Geosciences: Analytical Procedures and Recent Advances [PDF]

open access: yes, 2022
Electron probe microanalysis (EPMA) is an in-situ and non-destructive analytical technique with high spatial resolution and an increasingly important analysis tool in materials science and geosciences.
Jiang, Shao-Yong   +9 more
core   +1 more source

A Quantity Chalcopyrite Reference Material for In Situ Sulfur Isotope Analysis [PDF]

open access: yes, 2023
Secondary ion mass spectrometry (SIMS) for sulfur isotope analysis in chalcopyrite is an essential technique with exceptional spatial resolution, which enables precise constraints on mineralization mechanisms.
Bao, Zhian   +9 more
core   +1 more source

In-situ observation and atomic resolution imaging of the ion irradiation induced amorphisation of graphene [PDF]

open access: yes, 2014
Ion irradiation has been observed to induce a macroscopic flattening and in-plane shrinkage of graphene sheets without a complete loss of crystallinity.
Greaves, Graeme   +10 more
core   +2 more sources

Thermal-induced Alterations in Lunar Soil Grains Revealed via In Situ TEM Heating [PDF]

open access: yes, 2022
Impact-induced thermal modifications occur frequently in the solar system, and the microstructures of extraterrestrial samples can reveal the thermal-induced alterations that have occurred to their parent bodies.
Guo, Zhuang   +6 more
core   +1 more source

Influence of PDA Coating on the Structural, Optical and Surface Properties of ZnO Nanostructures

open access: yesNanomaterials, 2020
Polydopamine (PDA) is a new biocompatible material, which has prospects in biomedical and sensor applications. Due to functional groups, it can host wide range of biomolecules.
Daina Damberga   +9 more
doaj   +1 more source

Directly imaging excited state-resolved transient structures of water induced by valence and inner-shell ionisation

open access: yesNature Communications, 2023
Real-time imaging of transient structure of the electronic excited state is fundamentally critical to understand and control ultrafast molecular dynamics.
Zhenzhen Wang   +18 more
doaj   +1 more source

Shadow Detection and Compensation from Remote Sensing Images under Complex Urban Conditions

open access: yesRemote Sensing, 2021
Due to the block of high-rise objects and the influence of the sun’s altitude and azimuth, shadows are inevitably formed in remote sensing images particularly in urban areas, which causes missing information in the shadow region.
Tingting Zhou   +3 more
doaj   +1 more source

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