نتایج جستجو برای: offshore

تعداد نتایج: 15107  

ژورنال: مهندسی دریا 2011
آیت اللهی, مجیدرضا, صدیقیانی, کارو ,

Due to the much higher maintenance and replacement expenses of the offshore wind turbine structures, more attention should be paid for a reliable lifetime analysis of them. Meanwhile, the cyclic nature of wave and wind loads together with the corrosive effects from the sea water are major factors for the creation and growth of flaws and cracks in offshore structures. These cracks can be the cau...

2014
Jillian P. Fry David C. Love Arunima Shukla Ryan M. Lee

Half of the world's edible seafood comes from aquaculture, and the United States (US) government is working to develop an offshore finfish aquaculture industry in federal waters. To date, US aquaculture has largely been regulated at the state level, and creating an offshore aquaculture industry will require the development of a new regulatory structure. Some aquaculture practices involve hazard...

2016
Stefan Balluff Jörg Bendfeld

Renewable energy concepts are able to sustainably satisfy the world energy demand without any restrictions for the following generations. In these concepts the wind energy and wave/ocean current energy are important factors as the description and the prognosis of waves and currents is a complex issue, especially offshore. For the estimation of the average annual wind speed and thus the energy p...

Journal: :Proceedings. Biological sciences 2014
Adam Tomašových Stefano Dominici Martin Zuschin Didier Merle

Invertebrate lineages tend to originate and become extinct at a higher rate in onshore than in offshore habitats over long temporal durations (more than 10 Myr), but it remains unclear whether this pattern scales down to durations of stages (less than 5 Myr) or even sequences (less than 0.5 Myr). We assess whether onshore-offshore gradients in long-term turnover between the tropical Eocene and ...

2007
Kevin C. Weng Andre M. Boustany Scot D. Anderson Barbara A. Block

Satellite telemetry studies of 20 adult and subadult white sharks (360–530 cm estimated total length (TL)) in the eastern North Pacific during 1999–2005 revealed long distance seasonal migrations from the coast of California to an offshore focal area 2,500 km west of the Baja Peninsula, as well as the Hawaii Islands. Three tags were recovered allowing detailed behavioral analyses, including one...

2008
Martin Spring

The growing academic attention given to outsourcing and offshoring reflects a trend to develop offshore business models that capitalises on both the effectiveness and efficiencies that might be offered by the business network. Recent innovations in information communications technologies have made transacting and co-ordination business activities at a distance much easier. However, managers sti...

Journal: :Marine environmental research 2003
Kenneth Schiff Steven Bay

Although large loads of potentially toxic constituents are discharged from coastal urban watersheds, very little is known about the fates and eventual impacts of these stormwater inputs once they enter the ocean. The goal of this study was to examine the effects of stormwater discharges on the benthic marine environment of Santa Monica Bay. Sediment samples were collected across a gradient of s...

Journal: :journal of the persian gulf marine sciences 0
abdolvahab maghsoudlou iranian national institute for oceanography and atmospheric science (inioas) farzaneh momtazi iranian national institute for oceanography and atmospheric science (inioas) fatemeh aghajanpour iranian national institute for oceanography and atmospheric science (inioas)

there is a need to increase our knowledge about phytoplankton diversity and distribution in the iranian waters of the persian gulf and the gulf of oman. phytoplankton samples along with environmental parameters of the northeastern waters of the gulf of oman (gordim bay towards gwadar bay) were collected and recorded prior to summer monsoon (mid of march 2013). seven inshore and six offshore sta...

Journal: :computational methods in civil engineering 2011
a.m. kaynia

a frequency-wavenumber-domain formulation is presented in this paper for calculation of the green's functions and wave propagation modes in a stratified fluid body underlain by a layered viscoelastic soil medium. the green's functions define the solid and fluid displacements and fluid pressures due to uniform disk loads acting in either the soil or fluid media. the solution is in the frequency ...

2005
Jonathan Whitaker Sunil Mithas Mayuram S. Krishnan

This paper proposes a theoretical framework for adoption of onshore and offshore business process outsourcing (BPO) by firms. Our analysis of data from 244 firms publicly traded in the United States indicates that firms with a stronger information technology infrastructure and business process knowledge are more likely to engage in onshore and offshore BPO. We also find a positive association b...

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