Results 101 to 110 of about 1,091,879 (286)

Unexpected pathway for intercontinental movement into the Nearctic revealed by phylogenetic analyses

open access: yesZoologica Scripta, EarlyView.
Abstract Much of North America's freshwater biodiversity is derived from Palearctic lineages. Isopods of the Holarctic family Asellidae are among the most widespread and diverse freshwater crustaceans, but Nearctic species are poorly studied. We examined the evolutionary history of the family, utilizing Sanger sequencing of mitochondrial and nuclear ...
Kye Tomoyasu   +2 more
wiley   +1 more source

Correlation between atrophic gastritis and risk factors prevalence among workers employed at atomic enterprise

open access: yesAnaliz Riska Zdorovʹû, 2019
Atrophy of the mucous tunic in the stomach is a significant predisposing factor that causes elevated risks of stomach adenocarcinoma. It was shown that mortality caused by malignant neoplasms in the digestive organs accounted for 36 % of all the death ...
E.I. Rabinovich   +5 more
doaj   +1 more source

An Inversion Formula for Multivariate Power Series [PDF]

open access: yesarXiv, 2012
For formal multivariate power series $\varphi(x)$ an inversion formula of the form $$ \varphi^{-1}(x)=x +\sum_{m=1}^{\infty}\sum_{k=0}^m (-1)^k(m k)\varphi^{\circ k}(x) is offered$$.
arxiv  

Magnetic field hyperactivity during the Early Neoproterozoic: A paleomagnetic and cyclostratigraphic study of the Katav Formation, southern Urals, Russia

open access: yesGeoscience Frontiers, 2023
I. Golovanova   +6 more
semanticscholar   +1 more source

Reconstruction of the spring-summer precipitation on the Southern Ural

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
AbstractThe article present a reconstruction of the late spring–summer (May–July) precipitation for the Zilair plateau (Southern Urals) based on latewood width chronologies of Scots pine (Pinus sylvestrisL.) for the 1776–2015 period. Wavelet analysis revealed a number of characteristic periodicities in the reconstructed precipitation variability. Cross-
V. A. Semenov   +2 more
openaire   +2 more sources

About the benefits of studying correspondence of archaeologists (a letter from N.N. Bortvin to K.V. Salnikov)

open access: yesВестник археологии, антропологии и этнографии, 2017
The paper contains the analysis of a letter of archeologist N.N. Bortvin to archaeologist K.V. Salnikov. The text is filled with precious information on the history of archaeology in the Urals and in the Trans-Urals in the 1920–1930th years, and ...
Vinogradov N.B.
doaj   +1 more source

ENDOCRINE-METABOLIC PATHOLOGY IN CHILDREN OF FEMALE WORKERS ON NUCLEAR INDUSTRY ENTERPRISE

open access: yesРадиационная гигиена, 2018
The study of deviations in health status of children whose parents were exposed to radiation on production enterprise is important for radiation safety of people of reproductive age and their subsequent generations.The purpose of the study: the analysis ...
S. F. Sosnina, P. V. Okatenko
doaj   +1 more source

Risk of central nervous system tumors in the offspring of individuals exposed to production radiation

open access: yesФундаментальная и клиническая медицина
Aim. To assess the risk of malignant central nervous system (CNS) tumors among the first-generation offspring of workers from the Mayak Production Association.Materials and Methods.
S. F. Sosnina   +3 more
doaj   +1 more source

Heritable effects in offspring associated with harmful exposure to parents (Literature review)

open access: yesРадиационная гигиена, 2019
A review of literature data regarding the heritable effects in offspring due to parents’ contact with mutagenic risk factors is presented. Studies on various factors of adverse effects on the hereditary apparatus, including chemical, infectious, physical
S. F. Sosnina, M. E. Sokolnikov
doaj   +1 more source

Solid-state redistribution of mineral particles in the upwelling mantle flow as a mechanism of chromite concentration in the ophiolite ultramafic rocks (on the example of Kraka ophiolite, the Southern Urals)

open access: yesGeoresursy, 2019
The main regularities of the structure of chromitite-bearing zones of ultramafic rock of the ophiolitic association are considered on the example of Kraka massifs.
D. E. Saveliev, Victor B. Fedoseev
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy