Results 21 to 30 of about 5,597,496 (298)

On a shallow water wave equation [PDF]

open access: yesNonlinearity, 1994
In this paper we study a shallow water equation derivable using the Boussinesq approximation, which includes as two special cases, one equation discussed by Ablowitz et. al. [Stud. Appl. Math., 53 (1974) 249--315] and one by Hirota and Satsuma [J. Phys. Soc. Japan}, 40 (1976) 611--612]. A catalogue of classical and nonclassical symmetry reductions, and
Clarkson, Peter A.   +1 more
openaire   +2 more sources

Enhanced Degradation of Waste Activated Sludge in Microbial Electrolysis Cell by Ultrasonic Treatment

open access: yesFrontiers in Microbiology, 2019
This study investigates the feasibility of ultrasonic pretreatment for improving treatment efficiency of waste activated sludge (WAS) in microbial electrolysis cell (MEC).
Kai Hu   +6 more
doaj   +1 more source

A mixed discontinuous/continuous finite element pair for shallow-water ocean modelling [PDF]

open access: yes, 2008
18.02.14 KB. Ok to add accepted version to spiral, Elsevier says ok while mandate not enforced.We introduce a mixed discontinuous/continuous finite element pair for ocean modelling, with continuous quadratic layer thickness and discontinuous velocity. We
Cotter, CJ   +5 more
core   +1 more source

Passing ship effects in shallow and confined water : open model test data for validation purposes

open access: yes, 2022
After successful conferences focussing on specific shallow or confined water challenges, the Sixth InternationalConference on Ship Manoeuvring in Shallow and Confined Water (6th MASHCON) has a non-exclusive focus on portmanoeuvres.
Van Zwijnsvoorde, ThibautTW150000901434138020018824420000-0001-5745-66721DAE1D4A-F0EE-11E1-A9DE-61C894A0A6B4   +7 more
core   +1 more source

Rhizosediments of Salicornia tegetaria Indicate Metal Contamination in the Intertidal Estuary Zone

open access: yesFrontiers in Environmental Science, 2020
Metal pollution is a well-known anthropogenic impact of highly developed estuaries, with dire consequences to the ecosystem. This study investigated the metal concentrations (Al, Cr, Cu, Fe, Mn, Ni, Pb, Zn) in the sediment colonized by Salicornia ...
Marelé A. Nel   +7 more
doaj   +1 more source

Differences in hydrogeochemistry between shallow and deep aquifers in the Baiyangdian basin, China [PDF]

open access: yesE3S Web of Conferences, 2019
Groundwater is the dominant long-term water resource for agricultural irrigation and industrial production in the Baiyangdian basin, North China Plain. Groundwater and pore-water were investigated to evaluate chemical evolution and geochemical processes ...
Guo Huaming   +6 more
doaj   +1 more source

Shallow Syntax in Deep Water

open access: yesCoRR, 2019
Shallow syntax provides an approximation of phrase-syntactic structure of sentences; it can be produced with high accuracy, and is computationally cheap to obtain. We investigate the role of shallow syntax-aware representations for NLP tasks using two techniques.
Swabha Swayamdipta   +4 more
openaire   +3 more sources

From offshore to onshore: multiple origins of shallow-water corals from deep-sea ancestors. [PDF]

open access: yesPLoS ONE, 2008
Shallow-water tropical reefs and the deep sea represent the two most diverse marine environments. Understanding the origin and diversification of this biodiversity is a major quest in ecology and evolution.
Alberto Lindner   +2 more
doaj   +1 more source

Laboratory simulation of soil respiration response to environmental conditions in intertidal zones of Jiangsu Province, China

open access: yesWater Science and Engineering, 2022
As major contributor to the blue carbon sink, intertidal zones play a crucial role in the global carbon cycle. In recent years, more attention has been given to the carbon cycle in intertidal wetlands.
Peng Wang   +4 more
doaj   +1 more source

Simply-connected vortex-patch shallow-water quasi-equilibria [PDF]

open access: yes, 2014
This work is supported by a UK Natural Environment Research Council studentshipWe examine the form, properties, stability and evolution of simply-connected vortex-patch relative quasi-equilibria in the single-layer ƒ-plane shallow-water model of ...
Dritschel, David Gerard   +2 more
core   +1 more source

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