Results 101 to 110 of about 1,091,879 (286)
Unexpected pathway for intercontinental movement into the Nearctic revealed by phylogenetic analyses
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
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]
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
Reconstruction of the spring-summer precipitation on the Southern Ural
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
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
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
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)
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
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