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lower reaches
As supersonic speed at upper reaches and subsonic speed at lower reaches in a duct, the position of shock layer is analyzed and the asymptotic estimation of solution, is obtained.
      
The sap flow of the sampled Populus euphratica stems at different radial depths and directions had been studied in Ejina Oasis, in the lower reaches of the Heihe River.
      
Dynamic fate modeling of γ-hexachlorocyclohexane in the lower reaches of the Liao River
      
This model is used to simulate the fate of γ-hexachlorocyclohexane (γ-HCH) in the lower reaches of the Liao River from 1998 to 2008.
      
The data obtained with the trypsin-azocasein and α-amylase-modified starch tests indicates pollution of water and surface sediments in the lower reaches of Volga and the inflow sea regions.
      
Organochlorine Pesticides in Fishes and Mollusks from Lower Reaches of the Tumen River and of the Contiguous Part of Peter the G
      
It was found that the eustatic level rise of the Sea of Azov and soil subsidence on the sea edge of the delta and in the lower reaches of the Protoka Branch were responsible for the noticeable rise in water levels.
      
The Role of Collecting Drainage Systems in the Formation of Chemical Composition of Lake Water in the Amu Darya Lower Reaches
      
As shown, drainage escape water forms a large category of surface water of the Amu Darya lower reaches, whose runoff varies from year to year and salinity varies within a year and over the period of many years.
      
It is found that main collecting drains of the Amu Darya lower reaches are essential suppliers of salts and biogenic elements to lakes.
      
It is shown that the seasonal variations, typical of the river upper and middle reaches and determining the high level of anthropogenic impact of the fuel and energy complex facilities onto the river, even out in the lower reaches of the river.
      
Conditions of fish reproduction in the Volga-Caspian Basin depending on the hydrological regime in the Volga lower reaches, transformed by water withdrawals and regulatory impact of reservoirs are considered.
      
Present-Day Conditions of Limnic Ecosystems in the Lower Reaches of the Amu Darya
      
New outcrop of buried Kazantsevo peat at lower reaches of the Irtysh River
      
The effect of dissolved organic substances on the genesis and functioning of gley-podzolic soils in the lower reaches of the Northern Dvina River (Arkhangelsk oblast) has been studied.
      
The first inhabits most of the basin, from the upper courses to the lower reaches, whereas the second inhabits the Lena delta and the adjacent arctic rivers and their tributaries.
      
Populations inhabiting the Angara and Yenisei rivers, except their sources and the section of the lower reaches, should be assigned to the Baikal subspecies, T.
      
Carpozoan echinoderms from the Middle Cambrian (Mayaktakh Formation) of Siberia (lower reaches of the Lena River)
      
The chemical composition of water in the upper reaches of Ob' is determined by mercury and complex ore shows; in the middle and lower reaches, by catchments of major tributaries: Tom, Chulym, and, particularly, Irtysh.
      
The distribution of particulate organic carbon (POC) along the lower reaches is similar between the dry season and the flood season in the Yalujiang Estuary, North China.
      
 

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