نتایج جستجو برای: salinity gradient energy

تعداد نتایج: 804021  

2012
Ben J G Sutherland Stuart G Jantzen Motoshige Yasuike Dan S Sanderson Ben F Koop Simon R M Jones

The salmon louse Lepeophtheirus salmonis is a marine ectoparasite of wild and farmed salmon in the Northern Hemisphere. Infections of farmed salmon are of economic and ecological concern. Nauplius and copepodid salmon lice larvae are free-swimming and disperse in the water column until they encounter a host. In this study, we characterized the sublethal stress responses of L. salmonis copepodid...

Journal: :Engineering Journal 2021

Investment in clean energy is demand this century due to abundance of CO2 accumulation the world cause several environmental issues. Therefore, harvesting may assist reducing carbon footprint create a green environment for sustainable living. The salinity gradient one energies with concept mixing both salt concentration water from ocean and fresh river an osmotic pressure power-up generator pro...

2017
Antonio Bode Manuel Varela Ricardo Prego Fernando Rozada Martin D Santos

Phytoplankton species assemblages in estuaries are connected to those in rivers and marine environments by local hydrodynamics leading to a continuous flow of taxa. This study revealed differential effects of upwelling and river flow on phytoplankton communities observed in 2011 along a salinity gradient from a river reservoir connected to the sea through a ria-marine bay system in A Coruña (NW...

Journal: :Plant physiology 1983
K Satoh C M Smith D C Fork

The effects of salinity on the primary processes of photosynthesis were studied in the red alga Porphyra perforata. The results show that there are at least three sites in the photosynthetic apparatus of this alga that were affected by increased salinity. The first site, photoactivation and dark-inactivation of electron flow on the reducing side of photosystem I, was completely inhibited at hig...

2013
Henk Bolhuis Lucas Fillinger Lucas J. Stal

The North Sea coast of the Dutch barrier island of Schiermonnikoog is covered by microbial mats that initiate a succession of plant communities that eventually results in the development of a densely vegetated salt marsh. The North Sea beach has a natural elevation running from the low water mark to the dunes resulting in gradients of environmental factors perpendicular to the beach. These grad...

Journal: :ماشین های کشاورزی 0
مهدی ترکیان بلداجی علی محمد برقعی بابک بهشتی سید ابراهیم حسینی

introduction thermal processing has a huge impact on the textural attribute of the final food product and texture is a major factor contributing the overall quality of food. ohmic heating is an advanced thermal processing method in which heat is internally generated within foods by passing an alternating electric current through them. ohmic heating can volumetrically heat the entire mass of a f...

2014
Christoffer Boström Susanne Baden Anna-Christina Bockelmann Karsten Dromph Stein Fredriksen Camilla Gustafsson Dorte Krause-Jensen Tiia Möller Søren Laurentius Nielsen Birgit Olesen Jeanine Olsen Leif Pihl Eli Rinde

This paper focuses on the marine foundation eelgrass species, Zostera marina, along a gradient from the northern Baltic Sea to the north-east Atlantic. This vast region supports a minimum of 1480 km2 eelgrass (maximum >2100 km2), which corresponds to more than four times the previously quantified area of eelgrass in Western Europe.Eelgrass meadows in the low salinity Baltic Sea support the high...

Journal: :Journal of bacteriology 1993
R Olz K Larsson L Adler L Gustafsson

The energetics and accumulation of solutes in Saccharomyces cerevisiae were investigated for cells grown aerobically in a chemostat under NaCl stress and glucose limitation. Changed energy requirements in relation to external salinity were examined by energy balance determinations performed by substrate and product analyses, with the latter including heat measurements by microcalorimetry. In bo...

Journal: :journal of applied and computational mechanics 0
dario abbondanza dipartimento di ingegneria meccanica e aeronautica, “la sapienza”, rome, italy daniele battista dipartimento di ingegneria meccanica e aeronautica, “la sapienza”, rome, italy francescogiuseppe morabito dipartimento di ingegneria meccanica e aeronautica, “la sapienza”, rome, italy chiara pallante dipartimento di ingegneria meccanica e aeronautica, “la sapienza”, rome, italy raffaele barretta dipartimento di strutture per l’ingegneria e l’architettura, università degli studi di napoli “federico ii”, naples, italy raimondo luciano dipartimento di ingegneria civile e meccanica, università degli studi di cassino e del lazio meridionale, cassino (fr), italy francesco marotti de sciarra

linear dynamic response of simply supported nanobeams subjected to a variable axial force is assessed by galerkin numerical approach. constitutive behavior is described by three functional forms of elastic energy densities enclosing nonlocal and strain gradient effects and their combination. linear stationary dynamics of nanobeams is modulated by an axial force which controls the global stiffne...

2014
Henk Bolhuis Henriette Schluepmann Juri Kristalijn Zohrah Sulaiman David J Marshall

Background: The Brunei River and Bay estuarine system (BES) in the northwest of Borneo is acidic and highly turbid. The system supports extensive intertidal mudflats and presents a potentially steep salinity and pH gradient along its length (45 km). Temporal variation in physical parameters is observed diurnally due to seawater flux during tidal forcing, and stochastically due to elevated fresh...

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