Results 11 to 20 of about 428,405 (309)

Urban scaling and the regional divide [PDF]

open access: yesScience Advances, 2019
Population characteristics and selective migration explain around half of the previously reported superlinear urban scaling.
Marc Keuschnigg   +2 more
openaire   +3 more sources

Bioaccumulation and oxidative stress induction of heavy metals in ecosystem of an urban region: A case study to assess ecotoxicological risk on freshwater mollusk, Lanistis carinatus in Kafr El-Zayat region, Egypt [PDF]

open access: yesEgyptian Journal of Animal Health, 2021
Bioaccumulation pattern of heavy metals (HMs) emitted from urban region of Kafr El-Zayat city was studied in attributing to oxidative stress induction in freshwater mollusk, Lanistis carinatus.
doaj   +1 more source

The Changes in the Functional Urban Region in the New Socio-Economic Conditions in Poland. The Case of Toruń

open access: yesBulletin of Geography. Socio-Economic Series, 2008
This article attempts to determine the general tendency of changes of functioning of urban regions in the new socio-economic conditions in Poland. The functional connections resulted from an intensively and relatively permanent flow of population, which ...
Beata Hołowiecka, Daniela Szymańska
doaj   +2 more sources

Les régions urbaines en Belgique

open access: yesBelgeo, 2019
The Belgian urban regions were defined for the first time in the early 1970s. Later on they were updated based on the censuses of 1981, 1991 and 2001. The current update is based on administrative data varying between 2014 and 2017. In 2017, 19 cities in
Lieve Vanderstraeten, Etienne Van Hecke
doaj   +1 more source

Ambient Noise Tomography of Upper Crustal Structures and Quaternary Faults in the Seoul Metropolitan Area and Its Geological Implications

open access: yesEarth and Space Science, 2021
We investigate the upper‐crustal seismic velocity structure in the Seoul metropolitan area, where about 20 million people live. The Chugaryeong fault zone (CFZ) is placed in this area, but the seismic hazard potential remains unclear.
Dongwoo Kil   +5 more
doaj   +1 more source

Numerical Research on the Performance of a Phase Change Heat Storage Electric Heating Module [PDF]

open access: yesE3S Web of Conferences, 2022
A kind of phase change heat storage electric heating modules filled with the composite PCM was designed and fabricated in this paper. The thermal performance of the module was studied through the experiments, and the thermal performance influencing ...
Niu Dongyin   +3 more
doaj   +1 more source

Urban Regions Shifting to Circular Economy: Understanding Challenges for New Ways of Governance

open access: yesUrban Planning, 2019
Urban areas account for around 50% of global solid waste generation. In the last decade, the European Union has supported numerous initiatives aiming at reducing waste generation by promoting shifts towards Circular Economy (CE) approaches.
Andreas Obersteg   +11 more
doaj   +1 more source

Evolutionary networks of interurban technological collaboration across Chinese city-regions

open access: yesRegional Studies, Regional Science, 2022
Urban agglomeration has the function of being an incubator for innovation. Previous studies have only focused on the output of innovation, ignoring the knowledge cooperation and exchange between cities, which is an important embodiment of the incubation.
Haitao Ma
doaj   +1 more source

Urban-Rural Thiel index by region.

open access: yes, 2021
Urban-Rural Thiel index by region.
Ming Zhang (9736), Lujing Wang (462685)
core   +1 more source

Fine-scale genetic structure and wolbachia infection of aedes albopictus (Diptera: Culicidae) in Nanjing city, China

open access: yesFrontiers in Genetics, 2022
Background:Aedes albopictus is an indigenous primary vector of dengue and Zika viruses in China. Wolbachia is a gram-negative and common intracellular bacteria, which is maternally inherited endosymbionts and could expand their propagation in host ...
Heng-Duan Zhang   +14 more
doaj   +1 more source

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