Results 21 to 30 of about 11,020,427 (276)
Determination of metallization degree of pre-reduced chromite with image and rietveld analysis [PDF]
Metallization degree of pre-reduced chromite was determined using two methods. The chromite samples were reduced in the solid state by methane-hydrogen gas mixtures.
Leino T., Taskinen P., Eric R.H.
doaj +1 more source
Efficient Pb (II) removal from wastewater by TEG coated Fe3O4 ferrofluid [PDF]
Tri-ethylene glycol (TEG) coated Fe3O4 nanoparticles ferrofluid were used for Pb (II) removal from simulated wastewater. The samples were synthesized using a modified co-precipitation method.
Sajjad Lotfi +2 more
doaj +1 more source
The technological inspection of the electrolyte composition in aluminum production is performed using calibration X-ray quantitative phase analysis (QPA).
Igor Yakimov +8 more
doaj +1 more source
Diffraction Line Profiles in the Rietveld Method [PDF]
The present work traces the evolution of the modeling of the diffraction line profiles in the Rietveld method, starting from the early and most schematic description with Gaussian curves to the mos...
openaire +3 more sources
The Rietveld Method ? A Historical Perspective [PDF]
differences between observed and calculated values was already well established in crystallography. From there it was, in retrospect, only a small step to refrain from using the integrated intensities as observed values but to use the actual measured profile intensities obtained by step scanning the powder diagram.
openaire +1 more source
Este trabalho apresenta um estudo sistemático sobre a síntese e caracterização de pós de Na2TiSiO5. Foram estudadas as propriedades estruturais e morfológicas dos pós por intermédio de difração de raios X, espectroscopia Raman e microscopia eletrônica de
V. C. Albarici +6 more
doaj +1 more source
A acurada determinação dos teores dos minerais que constituem a fração argila dos Latossolos pode contribuir para o aprimoramento de seu uso e manejo.
Marcelo Eduardo Alves +2 more
doaj +1 more source
An insight into the thermal properties of struvite-k by Rietveld refinement method
This work investigated the thermal properties of struvite-k (a main binding phase and a strength-giving mineral from the magnesium potassium phosphate cements) exposed to different conditions by Rietveld Refinement Method coupled with X-ray diffraction ...
Yang Yuanquan +4 more
doaj +1 more source
Structural studies into AM(_2)O(_7) framework materials and parametric Rietveld refinement [PDF]
This thesis investigates the structural properties of the AM2O7 family of materials, many of which show interesting thermal expansion properties and remarkably complex structures.
Stinton, Graham William
core
In situ synchrotron high‐energy X‐ray diffraction reveals the real‐time high‐temperature phase evolution of a ternary V‐9Si‐6.5B alloy. The study uncovers a kinetically delayed V5SiB2 → V8SiB4 transformation governed by massive structural and chemical barriers.
Zahra Sabeti +4 more
wiley +1 more source

