Results 61 to 70 of about 363 (174)

The threshold contrast thickness evaluated with different CDMAM phantoms and software

open access: yesNukleonika, 2016
The image quality in digital mammography is described by specifying the thickness and diameter of disks with threshold visibility. The European Commission recommends the CDMAM phantom as a tool to evaluate threshold contrast visibility in digital ...
Fabiszewska Ewa   +2 more
doaj   +1 more source

Analyzing Public Perceptions of Mobility Electrification in Germany and China Through Social Media with Large Language Models

open access: yesVehicles
This study investigates cross-cultural differences in public perception of mobility electrification by applying natural language processing (NLP) techniques to social media discourse in Germany and China.
Kaplan Ugur Bulut, Hamid Mostofi
doaj   +1 more source

Modernization of the Estonian national GNSS reference station network

open access: yesGeodesy and Cartography, 2018
The first GNSS (Global Navigation Satellite System) CORS (Continuously Operating Reference Station) in Estonia became operational in 1996. Starting from 2008 four Estonian CORS are incorporated into the EPN (EUREF Permanent GNSS Network).
Jaanus Metsar, Karin Kollo, Artu Ellmann
doaj   +1 more source

Frequency and duration of low-wind-power events in Germany

open access: yesEnvironmental Research Letters, 2020
In the transition to a renewable energy system, the occurrence of low-wind-power events receives increasing attention. We analyze the frequency and duration of such events for onshore wind power in Germany, based on 40 years of reanalysis data and open ...
Nils Ohlendorf, Wolf-Peter Schill
doaj   +1 more source

EUREFE’17 International Conference

open access: yesTurkish Economic Review, 2017
Abstract. The 2nd International Conference EUREFE (EUREFE’17) was held on 27-29 July 2017, in Aydin. This year’s conference theme was about ‘Economic, Administrative and Political Transformations in the World and Turkey: Impacts and Policy Recommendations’. The conference, organized by Aydin Faculty of Economics-Adnan Menderes University, welcomed many
openaire   +1 more source

Enhancing Atmospheric Monitoring Capabilities: A Comparison of Low- and High-Cost GNSS Networks for Tropospheric Estimations

open access: yesRemote Sensing
Global Navigation Satellite System (GNSS) signals experience delays when passing through the atmosphere due to the presence of free electrons in the ionosphere and air density in the non-ionized part of the atmosphere, known as the troposphere.
Paolo Dabove, Milad Bagheri
doaj   +1 more source

Technology first, sustainability later: a systematic review on the literature on the policy development of China’s smart city strategy

open access: yesEnvironmental Research: Infrastructure and Sustainability
In China, like in other countries, smart cities have been proposed to make cities more efficient and, ideally, also more sustainable and low-carbon.
Ke Ge   +2 more
doaj   +1 more source

The politics of scaling. [PDF]

open access: yesSoc Stud Sci, 2022
Pfotenhauer S   +3 more
europepmc   +1 more source

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