Results 31 to 40 of about 59,871 (246)
What will Increase the Birth Rate — Benefits for Families with Children or Demographic Self-Regulation? [PDF]
Социологический журнал, 2020 The author criticizes the opinion of A.G. Vishnevsky that so-called demographic selfregulation, i.e. the population spontaneous reacting to living conditions, can stop the natural decline of the population (depopulation).
Alexander B. Sinelnikov
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Rural Depopulation in China: A Comparative Perspective
RIMCIS, 2015 Modernization of Chinese society witnessed significant retreat of primary and growth of secondary and tertiary industries. The result of rapid urbanization has been accompanied with rapid rural depopulation, context of which is currently labeled by ...
Xingan Li
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Finnish Yearbook of Population Research, 2022 Blessed by its geology but a prisoner of its geography, the inhabitants of Ukraine have suffered repeated destructive depopulation. The population loss in the Ukraine 1914–21 was over five million.
David Coleman
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Simulated [111] Si-SiGe terahertz quantum cascade laser [PDF]
, 2008 The prospect of developing a silicon laser has long been an elusive goal, mainly due to the indirect band gap and large effective carrier masses. We present a design for a terahertz intersubband laser grown on the [111] crystal plane and simulate ...
Ikonic, Z. +3 more
core +1 more source
Exchange energy and generalized polarization in the presence of spin-orbit coupling in two dimensions [PDF]
, 2007 We discuss a general form of the exchange energy for a homogeneous system of interacting electrons in two spatial dimensions which is particularly suited in the presence of a generic spin-orbit interaction.
B. Habib +6 more
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The depopulation of the Bulgarian villages
Bulletin of Geography. Socio-Economic Series, 2012 The depopulation process in Bulgaria, especially in rural areas, is intensifying due to deepening unfavourable trends in the dynamics of demographic processes.
Chavdar Mladenov, Margarita Ilieva
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Экономика: стратегия и практика, 2022 This article deals with one of the most pressing issues today: the study of trends in the development and disappearance of the regions of Kazakhstan. The article discusses the features and opportunities of strategic development of regions in the Republic
K. I. Ibragimova, A. B. Turysbekova
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Efficient oxide phosphors for light upconversion; green emission from Yb3+ and Ho3+ co-doped Ln(2)BaZnO(5) (Ln = Y, Gd) [PDF]
, 2011 This is the author's accepted version of the article.
Berard, M +6 more
core +1 more source
Angewandte Chemie, EarlyView.A metallosupramolecular receptor binds squaraine dyes with high affinity and enables efficient dark resonance energy transfer (DRET) that generates bright near‐infrared emission with large pseudo‐Stokes shifts. ABSTRACT A metal‐organic cage was obtained by combining acridone‐based dipyridyl ligands with Pd2+ ions. The cage acts as a potent receptor for
Damien W. Chen +5 more
wiley +2 more sources
Economía Agraria y Recursos Naturales, 2019 The border territories of the central region of Portugal with Castilla y Leon and Extremadura in Spain have been experiencing, during the last decades, depopulation dynamics and socioeconomic reorganizations that transformed the forms of work, the models
Gonçalo Poeta Fernandes
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