Results 11 to 20 of about 59,571,975 (238)

A portable CCD array detector for in-situ analysis of powder samples using combined x-ray diffraction/x-ray fluorescence techniques [PDF]

open access: yes, 2010
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This work describes the design, development and testing of a portable charge-coupled device detector system to be used for the simultaneous collection of X-
Intisar, Amir
core   +7 more sources

Improvements to MOS CCD technology for future X-ray astronomy missions [PDF]

open access: yes, 2008
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis is concerned with the development of MOS charge-coupled device (CCD) technology for future applications in X-ray astronomy.
Murray, Neil John
core   +7 more sources

X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), differential scanning calorimetry (DSC) and density study of ternary chalcogenide glasses based on Ge-Se and Ge-S [PDF]

open access: yes, 1991
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Glasses of the systems Ge-Se-X (X = Ga, Sn, Bi, Sb), Ge-S-Y (Y = Ag, Ga, Sn, Bi) and Se-S have been examined using X-ray photoelectron spectroscopy (XPS), X-
Saffarini, Ghassan
core   +7 more sources

Course and Outcomes of Acute Coronary Syndrome in the Presence of New Coronavirus Infection COVID-19

open access: yesНеотложная медицинская помощь, 2022
We analyzed the clinical condition of patients with COVID-19 of varying severity, changes in instrumental and laboratory parameters, and assessed the impact of the severity of the course of a new coronavirus infection on the outcomes of acute coronary ...
L. S. Kokov   +13 more
doaj   +1 more source

Laboratory-Based Nano-Computed Tomography and Examples of Its Application in the Field of Materials Research

open access: yesCrystals, 2021
In a comprehensive study, we demonstrate the performance and typical application scenarios for laboratory-based nano-computed tomography in materials research on various samples.
Dominik Müller   +5 more
doaj   +1 more source

An outlook on x‐ray CT research and development [PDF]

open access: yesMedical Physics, 2008
Over the past decade, computed tomography(CT) theory, techniques and applications have undergone a rapid development. Since CT is so practical and useful, undoubtedly CT technology will continue advancing biomedical and non‐biomedical applications. In this outlook article, we share our opinions on the research and development in this field, emphasizing
Ge, Wang, Heng-Yong, Yu, Bruno, De Man
openaire   +3 more sources

Efficient overall water splitting in acid with anisotropic metal nanosheets

open access: yesNature Communications, 2021
Ru is one of the most active metals for oxygen evolution reaction, but it quickly dissolves in acidic electrolyte particularly in nanosized form. Here, the authors show that coral-like solid-solution Ru‒Ir consisting of 3 nm-thick sheets with only 6 at ...
Dongshuang Wu   +16 more
doaj   +1 more source

Segmentation of pores in carbon fiber reinforced polymers using the U-Net convolutional neural network

open access: yesActa Polytechnica CTU Proceedings, 2023
This study demonstrates the utilization of deep learning techniques for binary semantic segmentation of pores in carbon fiber reinforced polymers (CFRP) using X-ray computed tomography (XCT) datasets.
Miroslav Yosifov   +6 more
doaj   +1 more source

Rare causes of acute coronary syndrome: in addition to coronary artery atherosclerosis [PDF]

open access: yesĶazaķstannyṇ Klinikalyķ Medicinasy, 2016
In this letter we discussed the rare cause of acute coronary syndrome, such as blockage of a coronary artery, coronary artery tear (dissection), aortic rupture, hyperthyroidism, carbon dioxide poisoning, congenital coronary artery disease Tako-Tsubo ...
Beglan Stambol   +4 more
doaj   +1 more source

DETERMINATION OF DETAILED MORPHOLOGICAL FEATURES FOR PHENOTYPING OF SUGAR BEET PLANTS USING 3D-STEREOSCOPIC DATA [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
The sugar beet is the primary source of sugar in Europe and large parts of the world. Tools to determine plant traits with high precision and high throughput are required for the breeding process to quantify the effects of genetic and environmental ...
O. Scholz   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy