Results 21 to 30 of about 78,272 (259)
BMC Medical Imaging, 2020 Background There is an increasing interest in non-contrast-enhanced magnetic resonance imaging (MRI) for detecting and evaluating breast lesions. We present a methodology utilizing lesion core and periphery region of interest (ROI) features derived from ...
Alan I. Penn +9 more
doaj +1 more source
Imaging Hallmarks of the Tumor Microenvironment in Glioblastoma Progression
Frontiers in Oncology, 2021 Glioblastoma progression involves multifaceted changes in vascularity, cellularity, and metabolism. Capturing such complexities of the tumor niche, from the tumor core to the periphery, by magnetic resonance imaging (MRI) and spectroscopic imaging (MRSI)
John J. Walsh +14 more
doaj +1 more source
European Journal of Geography, 2022 This paper contributes to the literature of ec onomic geography by provi ding a first empirical confirmation of Krugman’s initial new economic geography model, in the Greek economy.
Constantinos IKONOMOU
doaj +2 more sources
Demography-Oriented Urban Spatial Matching of Service Facilities: Case Study of Changchun, China
Land, 2022 People-oriented urban planning requires that service facilities should efficiently meet individual and community activity needs across the demographic landscape that defines a city.
Yingzi Chen, Yaqi Hu, Lina Lai
doaj +1 more source
Resource effect in the Core–Periphery model
Spatial Economic Analysis, 2019 This paper develops an extension of Krugman’s Core–Periphery (CP) model by considering a competitive primary sector that extracts a renewable natural resource. The dynamics of the resource give rise to a new dispersion force: the resource effect. If primary goods are not tradable, lower trade costs boost dispersion, and the agglomeration–dispersion ...
María Pilar Martínez-García +1 more
openaire +2 more sources
The Critical Periphery in the Growth of Social Protests. [PDF]
PLoS ONE, 2015 Social media have provided instrumental means of communication in many recent political protests. The efficiency of online networks in disseminating timely information has been praised by many commentators; at the same time, users are often derided as ...
Pablo Barberá +6 more
doaj +1 more source
Frontiers in Cell and Developmental Biology, 2022 Glial scars have been observed following stab lesions in the spinal cord and brain but not observed and characterized in chemoconvulsant-induced epilepsy models. Epilepsy is a disorder characterized by spontaneous recurrent seizures and can be modeled in
Meghan Gage +4 more
doaj +1 more source
Principles of Inter-Societal Dynamics
Journal of World-Systems Research, 2017 World-system dynamics are re-conceptualized as inter-societal systems with some de-emphasis on the notions of core, periphery, and semi-periphery. This tri-part division has been useful in forcing sociology to rethink macro-level sociological analysis ...
Jonathan H. Turner
doaj +1 more source
The Multiregional Core-periphery Model: The Role of the Spatial Topology [PDF]
Networks and Spatial Economics, 2015 This version of the article has been accepted for publication and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections.
Barbero Jiménez, Javier +1 more
openaire +4 more sources
Characterizing Sprawl Development in Urban China: A Perspective from Urban Amenity
Land, 2023 Urban sprawl in China presents unique characteristics that differ from those commonly studied in Western contexts, an aspect not fully explored in previous studies.
Dinglin Zhang, Yangyi Wu, Meitong Liu
doaj +1 more source