Results 11 to 20 of about 259,382 (215)

Tunable X-ray dark-field imaging for sub-resolution feature size quantification in porous media

open access: yesScientific Reports, 2021
X-ray computed micro-tomography typically involves a trade-off between sample size and resolution, complicating the study at a micrometer scale of representative volumes of materials with broad feature size distributions (e.g. natural stones). X-ray dark-
Benjamin K. Blykers   +8 more
doaj   +1 more source

A CASE STUDY OF COPPER-ARSENIC EWER FROM THE EGYPTIAN MUSEUM IN CAIRO, EGYPT [PDF]

open access: yesJournal of the General Union of Arab Archaeologists, 2018
(En) This paper presents an analytical study and treatment of an Arsenical Copper ewer from old kingdom stored in the Egyptian Museum in Cairo. Examination and analysis were carried out by using optical microscopy (OM), metallographic microscopy and ...
Abeer Ibrahim, Manal Maher
doaj   +1 more source

COMPLEMENTARITY BETWEEN IN SITU STUDIES AND PHOTOGRAMMETRY: METHODOLOGICAL FEEDBACK FROM A ROMAN SHIPWRECK IN CAESAREA, ISRAEL [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
As a quick and effective way to archive the different stages of an excavation - notably to prepare the post-excavation phase and to document the production methods – photogrammetry has become an indispensable tool.
B. Derenne   +3 more
doaj   +1 more source

Moisture Dynamics of Wood-Based Panels and Wood Fibre Insulation Materials

open access: yesFrontiers in Plant Science, 2022
Moisture performance is an important factor determining the resistance of wood-based building materials against fungal decay. Understanding how material porosity and chemistry affect moisture performance is necessary for their efficient use, as well as ...
Liselotte De Ligne   +11 more
doaj   +1 more source

A histological description of alpaca (Vicugna pacos) cheek teeth: Findings and anatomical variations in macroscopically normal molars

open access: yesFrontiers in Veterinary Science, 2022
Scientific literature on veterinary dentistry in alpacas has historically focused on the description of tooth root abscesses. However, recent studies have shown a variety of other, sometimes preceding dental conditions to be widespread in this species ...
Kirsten Proost   +6 more
doaj   +1 more source

Nitrogen Limitations on Microbial Degradation of Plant Substrates Are Controlled by Soil Structure and Moisture Content

open access: yesFrontiers in Microbiology, 2018
Mineral nitrogen (N) availability to heterotrophic micro-organisms is known to impact organic matter (OM) decomposition. Different pathways determining the N accessibility depend to a large extent on soil structure.
Peter Maenhout   +5 more
doaj   +1 more source

X-ray tomography for manuscripts

open access: yesUmanistica Digitale, 2022
This review presents the studies and the results achieved in the framework of the “Virtual X-ray Reading – VXR” project devoted to X-ray tomography for manuscripts.
Fauzia Albertin
doaj   +1 more source

Evaluation of Different Dialyzers and the Impact of Predialysis Albumin Priming in Intermittent Hemodialysis With Reduced Anticoagulation

open access: yesKidney International Reports, 2019
Introduction: Systemic anticoagulation is widely used in routine clinical hemodialysis, but can be contraindicated in specific settings. Anticoagulant-free treatment regimens are prone to failure even in chronic intermittent hemodialysis.
Floris Vanommeslaeghe   +5 more
doaj   +1 more source

Anisotropic Elastography for Local Passive Properties and Active Contractility of Myocardium from Dynamic Heart Imaging Sequence

open access: yesInternational Journal of Biomedical Imaging, 2006
Major heart diseases such as ischemia and hypertrophic myocardiopathy are accompanied with significant changes in the passive mechanical properties and active contractility of myocardium.
Yi Liu, Ge Wang, L. Z. Sun
doaj   +1 more source

Extending Imaging Volume in Soft X‐Ray Tomography

open access: yesAdvanced Photonics Research, 2023
Soft X‐ray tomography offers rapid imaging of whole, single cells with a few tens of nanometers spatial resolution without fixation or labeling. Herein, this technique is limited to specimens about 10 μm thick, such that applications of soft X‐ray ...
Axel Ekman   +6 more
doaj   +1 more source

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