Results 1 to 10 of about 53,748 (265)

Modelling the Caspian Sea and its catchment area using a coupled regional atmosphere-ocean model (RegCM4-ROMS): model design and preliminary results [PDF]

open access: goldGeoscientific Model Development, 2013
We describe the development of a coupled regional atmosphere-ocean model (RegCM4-ROMS) and its implementation over the Caspian Sea basin. The coupled model is run for the period 1999–2008 (after a spin up of 4 yr) and it is compared to corresponding ...
U. U. Turuncoglu   +3 more
doaj   +3 more sources

Investigating the Impact of Air Injection on the Thermal Performance of Helical Tube with Varying Helix Diameters: Downward Flow [PDF]

open access: yesIranian Journal of Chemical Engineering, 2022
In this experimental investigation, the heat transfer and pressure drop of helical tubes with various helical diameters have been studied considering air injections. The tube was rested in vertical form and was put under the constant heat flux.
M. Moaf, O. Alizadeh, A. R. pendashteh
doaj   +1 more source

Closed Circuit Reverse Osmosis a Way to Minimize Brine Waste: (Two Case Studies in Power Plant Water Treatment Units) [PDF]

open access: yesآب و فاضلاب, 2023
Nowadays, lack of water resources has become a crisis in many countries around the world including our country, Iran. In the current situation, minimizing the waste of water is vital.
Shahram Niazi
doaj   +1 more source

Analysis of boundary conditions in design circuits influence on the shaft line operating state [PDF]

open access: yesE3S Web of Conferences, 2020
The work investigates the bearing piece boundary conditions influence on the shaft line operating state, with respect to elastic properties of stern-tube bearings.
Khalyavkin Alexei   +3 more
doaj   +1 more source

Effects of dietary olive oil and butyl hydroxytoluene (BHT) on digestive and hepatic enzymes, liver and intestinal histology in young Persian sturgeon, Acipenser persicus in brackish water [PDF]

open access: yesتغذیه آبزیان, 2020
This study was carried out to determine the effects of olive oil and dietary butyl hydroxytoluene on digestive and hepatic enzymes along with histology of liver and intestine in Persian sturgeon, Acipenser persicus.
Esmaeal Hosseinnia   +4 more
doaj   +1 more source

Histological study of gill in juveniles of Persian sturgeon (Acipenser persicus) caught in southern parts of the Caspian Sea [PDF]

open access: yesتغذیه آبزیان, 2016
Fish gill is directly exposed to aqueous environmental pollutions and is one of the most important organs for studying the effects of contaminations. Therefore, this research was conducted to evaluate the histopathology of gill tissue in wild Persian ...
Ali Hallajian   +3 more
doaj   +1 more source

Bio-geographic classification of the Caspian Sea [PDF]

open access: yesBiogeosciences, 2014
Abstract. Like other inland seas, the Caspian Sea (CS) has been influenced by climate change and anthropogenic disturbance during recent decades, yet the scientific understanding of this water body remains poor. In this study, an eco-geographical classification of the CS based on physical information derived from space and in-situ data is developed and
F. Fendereski   +6 more
openaire   +5 more sources

The Caspian Sea as Intertext: from the Old Russian Literary Tradition to Modern Mass Media (Reception, Concepts, Emotions)

open access: yesЖурнал Фронтирных Исследований, 2022
The article reveals cognitive and discursive potential of the Caspian Sea portrayal in the Russian literary tradition and modern Internet journalism. The research is based on individual works of Russian writers written in different genres, as well as ...
Irina N. Krutova   +3 more
doaj   +1 more source

The legal regime of the Caspian Sea and directions for improving Russian environmental legislation [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия «Экономика. Управление. Право», 2023
Introduction. The article discusses the measures taken in Russia and other Caspian littoral states to protect the environment of the Caspian Sea. Theoretical analysis.
Ryzhenkov, A. Ja.
doaj   +1 more source

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