X-Ray (XRD)
X ray diffraction (XRD)
... this process. We analyzed the kinetics of thermal transformation of Al-maghemites into Al-hematites and some of its mineralogical aspects. Synthetic substituted maghemites with different degrees of Al-substitution (0.0, ...
13
Fast x-ray fluorescence microtomography of hydrated biological samples.
... Metals and metalloids play a key role in plant and other biological systems as some of them are essential to living organisms and all can be toxic at high concentrations. It is therefore important to understand how they ...
5
Growth ring analysis of Euxylophora paraensis through x-ray microdensitometry
... ABSTRACT: Euxylophora paraensis Huber - Rutaceae, popularly known as yellow heart, is a species with a low-density population that has suffered intense exploitation in recent decades. This has led to its inclusion in the ...
6
Function and X-ray crystal structure of Escherichia coli YfdE.
... Molecular replacement was performed by AutoMR/Phaser [52] using a CaiB/BaiF family protein of unknown function from Brucella suis (PDB entry 4ed9) sharing 39% identity with YfdE. Crystallo- graphic symmetry operators ...
10
In-Depth X-Ray Photoelectron Spectroscopy of Resistive Switching Devices
... This work has explored the possibility of using x-ray photoelectron spectroscopy (XPS), for studying the chemical properties (i.e. atomic ratios and oxidation states) of several metal-insulator-metal (MIM) ...
66
Optical X-ray density of composite resin luting agents
... (26 x 35 x ...an x-ray device (Gnatus®) with electrical regime of 120 V and 50/60 Hz; b) exposure time of ...d) x-ray central beam perpendicular to the center of the ...
20
Optical x-ray density of composite resin luting agents
... (26 x 35 x ...an x-ray device (Gnatus ® ) with electrical regime of 120 V and 50/60 Hz; b) exposure time of ...d) x-ray central beam perpendicular to the center of the ...
7
X-ray fluorescence imaging: a new tool for studying manganese neurotoxicity.
... We present for the first time in situ quantification and distribution of Mn in Mn-exposed rodents obtained using synchrotron x-ray fluorescence. In agreement with other estab- lished methods, Mn ...
9
X-ray transmission through nanostructured and microstructured CuO materials
... for X-ray beams generated for 60 and 102 kV tube ...for X-ray beams generated at 26 and 30 kV tube voltages, is more attenuated, by a factor of at least 14%, by the nanosized CuO incorporated ...
4
X-ray CT analysis of pore structure in sand
... 4. It was concluded that the VPM can easily evaluate the size of a complicated pore space regardless of the physi- cal interaction and does not assume that the complicated pore is a straight tube. Then, the capillary ...
14
X-ray photoelectron spectroscopy, x-ray absorption spectroscopy, and x-ray diffraction characterization of CuO-TiO2-CeO2 catalyst system
... nickel monochromator filter. The scanning range was 20°– 60° 共2 兲 with a step size of 0.02° and a step time of 3.0 s. The average crystallite sizes were determined by the Scherrer equation. The broadening of ...
9
Chandra ACIS Survey of M33 (ChASeM33): X-Ray Imaging Spectroscopy of M33SNR 21, the Brightest X-Ray Supernova Remnant in M33
... average X-ray tem- perature higher than the temperature at the shock front; this would be consistent with the generally higher temperature pa- rameters in those fits compared to the sedov model fits ( Table ...
10
X-ray pelvimetry in common marmoset (Callithrix jacchus - LINNAEUS, 1758)
... the X-ray of the pelvis, in ventro-dorsal projection of 12 adult animals, six males and six females, belonging to the National Center of Primates - ...
7
Application of scanning electron microscopy–energy dispersive X-Ray spectroscopy (SEM-EDS)
... friendly and make things easier for peak assignment. As previously pointed out, quantitative SEM-EDS should only be carried out in flat polished samples or very thin films with irrelevant topography. Prior to spectra ...
17
Biological X-ray irradiator characterization for use with small animals and cells
... The X-ray tube operating range varies from 30 to 160 kV, and its current varies from 5 to 25 mA; both are adjustable. The default irradiation parameters for this irradiator were established as 160 kV and 25 ...
6
Mathematical modeling predicts enhanced growth of X-ray irradiated pigmented fungi.
... which represent the 8 combinations of X-ray peak energy (150 or 320 kVp), exposure duration (24 or 48 hours), and cell melani- zation status (melanized or non-melanized). The best-fit model predictions ...
7
Development of neutron and X-ray imaging detectors based on MHSP
... detected X-ray photon is one event providing one charge pulse in each of the four input ...The x- and y-coordinates are then calculated through equation ...
103
Vista do High resolution x-ray diffraction to characterize semiconductor materials
... of X-ray rocking-curve characterization, and discussed a few examples of measurements performed in the double- crystal system implemented for routine analysis, together with other more sophisticated ...
7
DISSERTAÇÃO_Quantification of soil oxides via handheld X-ray fluorescence spectrometry
... the X-ray fluorescence analysis of soils was greatly improved by advent of portable equipment (pXRF) having several pedological, agronomic and environmental applications (Gazley and Fisher 2014; Weindorf et ...
43
Deep mycoses in patients with abnormal chest X ray findings
... A study was made of 510 patients with abnormal chest X ray findings at Venezuela’s Vargas Hospi- tal in order to obtain precise pathological data about possible myc[r] ...
9