Results 151 to 160 of about 775,489 (244)

Depth‐resolved X‐ray residual stress analysis on samples with cylindrically shaped surface topography

Journal of Applied Crystallography, EarlyView.
Modifications of the fundamental equation of X‐ray stress analysis are proposed that allow correction of the hoop and longitudinal stresses obtained from sin2ψ measurements on samples featuring an inhomogeneous surface topography. The formalism is verified by angle‐ and energy‐dispersive measurements performed on a ferritic steel sample with ...
Manuela Klaus, Daniel Apel, Mirko Boin, Robert Wimpory, Christoph Genzel   +4 more
wiley   +1 more source

Identification of heat-treated lithic artifacts via quantitative surface gloss characterization. [PDF]

Sci Rep
Stárek R, Sahle Y, Atnafu B, Moník M.
europepmc   +1 more source

Enhancing microstructural fidelity in near‐field high‐energy diffraction microscopy reconstruction with Noise2Void denoising

Journal of Applied Crystallography, EarlyView.
A self‐supervised deep learning model, Noise2Void (N2V), denoises near‐field high‐energy diffraction microscopy diffraction images without requiring unobtainable clean data. These images allow for lower segmentation thresholds and detection of smaller and weaker diffraction peaks, which are often discarded or overlooked with conventional image ...
Xiaoxu Guo, Dishant Beniwal, Derek McLain, Jonathan Almer, Jun-Sang Park, Peter Kenesei, Hemant Sharma   +6 more
wiley   +1 more source

Microscopic magnetic-field imaging of a single lunar dust grain. [PDF]

Fundam Res
Yang Y, Xing L, Zhou Z, Zhou Y, Zhu K, Lyu S, Wang Y, Tang X, Li J, Feng J.   +9 more
europepmc   +1 more source

PolarEyes with enhanced digital imaging, a high‐throughput solution for locating and grading crystals

Journal of Applied Crystallography, EarlyView.
An open‐source program for the calculation and visualization of polarization‐derived properties of crystalline material is described, alongside the integration of a polarizing image sensor into a home‐built high‐throughput imaging setup.The long‐range internal order of crystals enables them to exhibit a well known and long‐exploited phenomenon ...
Thomas D. Smith, Alexandra Longcake, Michael J. Hall, Michael R. Probert   +3 more
wiley   +1 more source

Specialised and persistent raw material procurement by humans in the Middle Pleistocene. [PDF]

Nat Commun
Will M, Sommer C, Möller GHD, Botha GA, Blessing MA, Msimanga L, Mazel A, Val A, Venditti F, Riedesel S.   +9 more
europepmc   +1 more source

A low‐cost, portable polarizing digital light microscope for monitoring crystal growth and for crystal harvesting

Journal of Applied Crystallography, EarlyView.
A low‐cost, portable, medium‐resolution polarizing digital light microscope device for monitoring crystal growth and for crystal harvesting is described. The device can be used with a cell phone or a personal computer for real‐time imaging by professional and amateur scientists alike.Motivated by the need for a convenient way to demonstrate the growth ...
Sarah Kennedy, Ryan H. Huang, Wojciech Witek, Pawel Krawinski, Coilín Boland, Linjie Yang, Neal Leddy, Martin Caffrey   +7 more
wiley   +1 more source

Life resists chemistry not conditions. [PDF]

FEMS Microbes
Kish A.
europepmc   +1 more source

Faster and targeted raster imaging through non‐rectangular scanning

Journal of Applied Crystallography, EarlyView.
A highly efficient algorithm for raster scanning an area of non‐rectangular shapes is presented. This method can significantly reduce the required scanning time for e.g. microbeam X‐ray diffraction and X‐ray fluorescence scanning microscopy.Many materials are spatially heterogenous and it is important to characterize this heterogeneity, which can be ...
Frederik H. Gjørup, Thorbjørn E. K. Christensen, Yimeng Li, Marcelo J. P. Alcocer, Henrik Birkedal, Innokenty Kantor, Mads R. V. Jørgensen   +6 more
wiley   +1 more source

The Black Mirror of AI-driven vulnerability, hazard, and risk research. [PDF]

iScience
Albulescu AC, Armaş I.
europepmc   +1 more source