Results 11 to 20 of about 162,264 (296)

Characterization of Acoustic Emissions from Mechanical Seals for Fault Detection [PDF]

open access: yes, 2014
The application of high-frequency Acoustic Emissions (AE) for mechanical seals diagnosis is gaining acceptance as a useful complimentary tool. This paper investigates the AE characteristics of mechanical seals under different rotational speed and fluid ...
Gu, Fengshou   +3 more
core   +3 more sources

The diet and feeding ecology of harbour seals around Britain [PDF]

open access: yes, 2015
Since 2000, there has been a marked decline in the number of harbour seals in some regions around Britain; one possible contributing cause is competition for prey with sympatric grey seals.
Wilson, Lindsay J.
core   +2 more sources

Investigating monitoring options for harbour seals in Special Areas of Conservation in Scotland [PDF]

open access: yes, 2007
Managing a wild population effectively requires knowledge of the abundance and behaviour of the species. Harbour seals (Phoca vitulina) are usually counted when they come ashore at haul-out sites, and so it is important to understand how the number of ...
Cunningham, Louise
core   +2 more sources

The Archives of Artaxata: Archival Practice in the Capital of Ancient Armenia

open access: yesElectrum, 2021
This article examines the seal impressions from Artaxata discovered in 1979/80 during excavations carried out by the Armenian Academy of Sciences on Hills V and VIII.
Torben Schreiber
doaj   +1 more source

The impact of the multi-gap seals on rotor dynamics [PDF]

open access: yesЖурнал інженерних наук, 2017
The research relevance of multi-slotted seals is of practical significance for increasing vibrationreliability of centrifugal pumps. This paper presents the model of a single-disk rotor with seals. The forced radial rotor vibrations are determined taking
V. A. Martsynkovskyy, O. O. Pozovnyi
doaj  

Two Seals of the Strategоs of Asia Minor’s Themes from the North Black Sea

open access: yesВестник Волгоградского государственного университета. Серия 4. История, регионоведение, международные отношения, 2017
The seals of Fers Tsotzikos as anthypatos Patrikios and Strategos of Cappadocia and TornikVarazvatche as protospatharios and strategos of Claudia (?) were found in Cherson and Tamatarkha.
Valeriy P. Stepanenko
doaj   +1 more source

Genetic relationships among species of Contracaecum Railliet & Henry, 1912 and Phocascaris Höst, 1932 (Nematoda: Anisakidae) from pinnipeds inferred from mitochondrial cox2 sequences, and congruence with allozyme data

open access: yesParasite, 2008
The genetic relationships among 11 taxa, belonging to the genus Contracaecum (C. osculatum A, C. osculatum B, C. osculatum (s.s.), C. osculatum D, C. osculatum E, C. osculatum baicalensis, C. mirounga, C. radiatum, C. ogmorhini (s.s.), C.
Mattiucci S.   +6 more
doaj   +1 more source

Identification of lubrication Regimes in Mechanical Seals using Acoustic Emission for Condition Monitoring [PDF]

open access: yes
The quality of lubrication condition between seal faces directly affects the reliability, operating life and sealing performance of mechanical seals. Thus, the identification of lubrication regimes in face seals i.e.
Gu, Fengshou   +3 more
core   +3 more sources

Detection of blaOXA-1, blaTEM-1, and Virulence Factors in E. coli Isolated From Seals

open access: yesFrontiers in Veterinary Science, 2021
Marine mammals are frequently considered good sentinels for human, animal and environmental health due to their long lifespan, coastal habitat, and characteristics as top chain predators.
Ana P. Vale   +4 more
doaj   +1 more source

Images as proximity sensors : the incidence of conspecific foraging in Antarctic fur seals [PDF]

open access: yes, 2015
Background: Although there have been recent advances in the development of animal-attached ‘proximity’ tags to remotely record the interactions of multiple individuals, the efficacy of these devices depends on the instrumentation of sufficient animals ...
Staniland, Iain J   +10 more
core   +1 more source

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