Results 81 to 90 of about 837 (169)

Discrete-Time Model of an Exploited Population with Age and Sex Structures: Instability and the Hydra Effect

open access: yesMathematics
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]

open access: yes, 2007
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

Myths of the Origins of Modern Concrete [PDF]

open access: yes, 2019
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]

open access: yes, 2019
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]

open access: yesJ Environ Health Sci Eng, 2020
Veremchuk LV   +5 more
europepmc   +1 more source

THE PROBLEM OF THE STUDYING OF RADON INDOOR AIR CONCENTRATION IN THE JEWISH AUTONOMOUS REGION

open access: yesРадиационная гигиена, 2015
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]

open access: yesInt J Environ Res Public Health, 2020
Korobitsyna R   +7 more
europepmc   +1 more source

Atmospheric Air Pollution in Sanitary-Protected Zone of Heat-Electricity Station in Birobidzan

open access: yesRUDN Journal of Ecology and Life Safety, 2008
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  

Home - About - Disclaimer - Privacy