Results 51 to 60 of about 37,316,598 (285)

Interface Engineering of Porous Transport Layer‐Catalyst Layer in Proton Exchange Membrane Water Electrolyzers: A Comprehensive Review

open access: yesAdvanced Materials Interfaces, EarlyView.
The PTL–CL interface plays a decisive role in PEMWE performance by governing electron conduction, water supply, oxygen removal, catalyst utilization, and interfacial stability. This review summarizes interface‐related resistance sources, characterization methods, and engineering strategies, highlighting rational PTL–CL interface design for low‐cost ...
Aobo Wan, Zhengkai Tu
wiley   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

open access: yesAdvanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang   +3 more
wiley   +1 more source

Digital Image Evaluation Method for Digital Radiography

open access: yes, 2010
Digital radiography is getting one of the common radiographic testing techniques in various industries now. However, to apply this new technique to nuclear components radiographic testing, one big issue is how we can evaluate and ensure that the taken ...
Toshibumi Kashiwa   +2 more
core   +2 more sources

Accuracy of Digital Subtraction Radiography in detection of artificial external root resorption (in vitro)

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2008
Introduction: External root resorption refers to the loss of cementum and/or dentin from the rootof the teeth. 40% mineral loss occur in conventional radiographies but digital subtractionradiography is capable of localizing a lesion with only 1-5 ...
R Ghafari, M Keshavarzi
doaj  

Urethral Stenting for Obstructive Uropathy Utilizing Digital Radiography for Guidance: Feasibility and Clinical Outcome in 26 Dogs

open access: yesJournal of Veterinary Internal Medicine, 2017
Background Urethral stent placement is an interventional treatment option to alleviate urethral outflow obstruction. It has been described utilizing fluoroscopy, but fluoroscopy is not as readily available in private practice as digital radiography ...
A. Radhakrishnan
doaj   +1 more source

A Comparative Study on Diagnostic Accuracy of Colour Coded Digital Images, Direct Digital Images and Conventional Radiographs for Periapical Lesions – An In Vitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
Objectives: The identification and radiographic interpretation of periapical bone lesions is important for accurate diagnosis and treatment. The present study was undertaken to study the feasibility and diagnostic accuracy of colour coded digital ...
Abhishek Ranjan Pati   +7 more
doaj   +1 more source

Review of Gastrointestinal Capsule Robots: Materials, Actuation, Diagnostics, and Therapeutics

open access: yesAdvanced Science, EarlyView.
This review examines gastrointestinal capsule robots through a systems engineering lens, covering shell materials, actuation and localization strategies, diagnostic modalities, therapeutic interventions, and commercialization status. By mapping the complete technological chain from fabrication to clinical deployment, this work identifies critical gaps ...
Zengsheng Li   +8 more
wiley   +1 more source

Experimental Comparison of the Diagnostic Accuracy of Conventional and Digital Radiography in Detection of External Root Resorption

open access: yesJournal of Islamic Dental Association of Iran, 2013
Background and Aim: External root resorption is not detectable clinically and radiography plays a key role in its diagnosis.The present study aimed at comparing the diagnostic efficacy of conventional anddigital radiography in detection of simulated root
Mahkameh Moshfeghi   +3 more
doaj  

Dose creep in digital radiography

open access: yes, 2020
Exposure creep or dose creep is the gradual acceptance over time by radiographers of the use of higher radiographic exposures, and hence doses to the patient, for the same X-ray examination and projection in digital planar radiography. Recognition of the
Davidson, Rob; id_orcid
core   +1 more source

Evidence-based radiography: A new methodology or the systematisation of an old practice? [PDF]

open access: yes, 2020
Introduction: Evidence based radiography (EBR) is the logical development of evidence based practice applied to radiography. The aim of this study was to investigate the opinion of a cohort of Portuguese radiographers in Southern Portugal working in ...
da Silva, C. A.   +19 more
core   +1 more source

Home - About - Disclaimer - Privacy