This study proposes a discrete-time mathematical model to investigate the impact of selective harvesting on the dynamics of a population with age and sex structures. The model assumes that the birth rate depends on the sex ratio of the population and the
Oksana Revutskaya +2 more
doaj +1 more source
Stalin, Jews, and the Nationalities Question [PDF]
The intellectual foundation of Soviet society, written by Marx and Engels, did not articulate how a society was to move from a non-socialist society to a socialist one, when there are many ethnic groups represented in the country.
Gazdzik, Kazimir B.
core +1 more source
Empirical delineation of the forest-steppe zone is supported by macroclimate. [PDF]
Bede-Fazekas Á, Török P, Erdős L.
europepmc +1 more source
Myths of the Origins of Modern Concrete [PDF]
Myths of origin have their moments. An origins myth that suits one epoch cannot be relied upon to serve another. No better demonstration is there of the time-bound nature of myths of origin than those attaching to ...
Forty, J
core
Real and imaginary Yiddishland. A journey along the borders of a borderless nation [PDF]
Yiddishland is a concept variously applied to manifestations of Yiddish culture, although its definition is problematic due to both translation issues and the deterritorialized nature of Yiddish cultural, linguistic, and national space.
Esposito, Raffaele
core
The response ranges of pulmonary function and the impact criteria of weather and industrial influence on patients with asthma living in Vladivostok. [PDF]
Veremchuk LV +5 more
europepmc +1 more source
THE PROBLEM OF THE STUDYING OF RADON INDOOR AIR CONCENTRATION IN THE JEWISH AUTONOMOUS REGION
An article presents the results of radon indoor air concentration estimations for dwellings and public buildings of the Jewish Autonomous region in 2000–2011.
O. V. Surits
doaj
Iodine Status of Women and Infants in Russia: A Systematic Review. [PDF]
Korobitsyna R +7 more
europepmc +1 more source
Variability of the mitochondrial CO1 gene in native and invasive populations of Harmonia axyridis Pall. comparative analysis. [PDF]
Blekhman A +3 more
europepmc +1 more source
Atmospheric Air Pollution in Sanitary-Protected Zone of Heat-Electricity Station in Birobidzan
Content of the dust and heave metals in the atmosphere of Birobidzhan at different distance from the Heat-Electricity Station (HES) on the direct of the winds prevailed in winter time is examined.
I L Revutskaya
doaj

