|
|
|
|
|
Pao-Chi Chen, Jyun-Hong Jhuang, Ting-Wei Wu, Chen-Yu Yang, Kuo-Yu Wang and Chang-Ming Chen
This study used monoethanolamine (MEA) as an amine-based solvent, which was blended with secondary amines (DIPA), tertiary amines, stereo amines, and piperazine (PZ) to prepare mixed amines at the required concentrations, which were used as the test solv...
ver más
|
|
|
|
|
|
|
|
|
|
|
Denis Chernykh, Natalia Shakhova, Vladimir Yusupov, Elena Gershelis, Boris Morgunov and Igor Semiletov
This paper presents the results of an acoustic survey carried out from the fast ice in the shallow waters of the East Siberian Arctic Shelf (ESAS) using a single beam echosounder. The aim of this paper is to demonstrate an improved approach to study seaf...
ver más
|
|
|
|
|
|
|
|
|
|
|
Carolyn D. Ruppel, Thomas C. Weber, Erica R. Staaterman, Stanley J. Labak and Patrick E. Hart
Marine acoustic sources are widely used for geophysical imaging, oceanographic sensing, and communicating with and tracking objects or robotic vehicles in the water column. Under the U.S. Marine Mammal Protection Act and similar regulations in several ot...
ver más
|
|
|
|
|
|
|
|
|
|
|
David D. J. Antia
More than 1 billion ha of land is adversely affected by salinization, including about 54 million ha of irrigated cropland. This study trials a batch flow, bubble column, static bed, catalytic, pressure swing adsorption-desorption, zero valent iron, and d...
ver más
|
|
|
|
|
|
|
|
|
|
|
David D. J. Antia
Globally, about 54 million ha of cropland are irrigated with saline water. Globally, the soils associated with about 1 billion ha are affected by salinization. A small decrease in irrigation water salinity (and soil salinity) can result in a disproportio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yaomei Wang, Worakanok Thanyamanta, Craig Bulger, Neil Bose and Jimin Hwang
To overcome the environmental impacts of releasing oil into the ocean for testing acoustic methods in field experiments using autonomous underwater vehicles (AUVs), environmentally friendly gas bubble plumes with low rise velocities are proposed in this ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yaxi Peng, Apostolos Tsouvalas, Tasos Stampoultzoglou and Andrei Metrikine
Underwater noise pollution generated by offshore pile driving has raised serious concerns over the ecological impact on marine life. To comply with the strict governmental regulations on the threshold levels of underwater noise, bubble curtains are usual...
ver más
|
|
|
|
|
|
|
|
|
|
|
Henrique J. O. Pinho and Dina M. R. Mateus
Considering the increasing pressure on freshwater resources due to the constant increase in water consumption and insufficient wastewater control and treatment, recovering wastewater is a path to overcoming water scarcity. The present work describes the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Denis Chernykh, Vladimir Yusupov, Aleksandr Salomatin, Denis Kosmach, Natalia Shakhova, Elena Gershelis, Anton Konstantinov, Andrey Grinko, Evgeny Chuvilin, Oleg Dudarev, Andrey Koshurnikov and Igor Semiletov
Seeps found offshore in the East Siberian Arctic Shelf may mark zones of degrading subsea permafrost and related destabilization of gas hydrates. Sonar surveys provide an effective tool for mapping seabed methane fluxes and monitoring subsea Arctic perma...
ver más
|
|
|
|
|
|
|
|
|
|
|
Adriana Machado, Hugo Pereira, Margarida Costa, Tamára Santos, Bernardo Carvalho, Maria Soares, Pedro Quelhas, Joana T. Silva, Mafalda Trovão, Ana Barros, João Varela, António A. Vicente and Joana Silva
Microalgal biomass has gained increasing attention in the last decade for various biotechnological applications, including human nutrition. Certified organic products are currently a growing niche market in which the food industry has shown great interes...
ver más
|
|
|
|
|
|