Results 11 to 20 of about 59,871 (246)
, 1999 We have prepared a number of GaAs structures delta-doped by Sn using the well-known molecular beam epitaxy growth technique. The samples obtained for a wide range of Sn doping densities were characterised by magnetotransport experiments at low ...
A de Visser +25 more
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Nonrelevant quantum levels effecting on the current in 2-well terahertz quantum cascade lasers
Scientific Reports, 2022 Recent renewed operating temperatures in terahertz quantum cascade lasers emphasize on narrowing the periodic length in a 2-well resonant-phonon design for a clean quantum level structure, in which the depopulation energy is significantly higher than one
Li Wang +3 more
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Rural Depopulation in Greece: Trends, Processes, and Interpretations
Geographies, 2023 Depopulation is caused by low fertility rates and out-migration, and it applies to countries, regions and smaller areas. Rural depopulation is defined as a sharp population decline that falls well below an adequate population size and indicates that an ...
Apostolos G. Papadopoulos, Pavlos Baltas
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Latent Rural Depopulation in Latin American Open-Pit Mining Scenarios
Land, 2022 The increasing expansion of open-pit mining and the drastic transformations of land use in Latin America have led to processes of rural depopulation among traditional inhabitants, causing unsustainability in rural life systems. In the context of profound,
Sergio Elías Uribe-Sierra +2 more
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Depopulation of the Balkans: how the EU Periphery is Hollowing Out [PDF]
Современная Европа, 2023 The research focuses on the phenomenon of rapid depopulation of the Balkans. Despite the fact that this process has been going on continuously for three decades, and has been accelerating in recent years, it is not recognised by the local political ...
Dushan N. Proroković
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Mathematical Biosciences and Engineering, 2019 Depopulation is one of the important interventions for the outbreak of animal diseases. Simulation models using actual case scenarios conclude that early depopulation is the most efficient in preventing the spread of foot-and-mouth disease (FMD). However,
Kenji Itao +7 more
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Effect of enhanced biosecurity and selected on-farm factors on Campylobacter colonization of chicken broilers [PDF]
, 2016 Human campylobacteriosis is the most commonly reported gastrointestinal bacterial infection in the EU; poultry meat has been identified as the main source of infection.
Heymann +5 more
core +2 more sources
Useful City or the truth about systemic context of depopulation and shrinking cities
Rozwój Regionalny i Polityka Regionalna, 2021 In recent years, the phenomenon of depopulation and shrinkage of cities has been observed. The depopulation of large cities is undoubtedly a demographic fact.
Jacek Kaczmarek, Adam Dąbrowski
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Using mixed research approaches to understand rural depopulation
Economía Agraria y Recursos Naturales, 2019 There is a growing consensus on the need to propose specific policies to face rural depopulation. This article applies fuzzy-set Qualitative Comparative Analysis (QCA) to define the presence or absence in each municipality of the conditions leading to ...
Luisa Alamá-Sabater +3 more
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The Impacts of Rural Immigration on Population Structure in Rural Areas: A Case Study on Birjand [PDF]
جغرافیا و توسعه, 2003 The peresent study deals with considering one of the effects of rural depopulation. Rural immigration enhanced leaving rural areas especially those villages with less than fifty persons which is due to lack of small units stability against immigration ...
gavad mekaneiki, s.hasan ghalibafan
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