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Zhang, X. (author), Hoogeland, M.G. (author)After chain making, proof load testing is used to evaluate if the chains are mechanically qualified. However, proof load testing may bring elongation in the chain links that may affect the corrosion performance of mooring chains in seawater. The influence of deformation and microorganisms on the corrosion properties of chain steel in seawater...article 2019
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van Eijk, A.M.J. (author), Piazzola, J. (author), Van Zuijlen, S. (author), Cohen, L. (author), Moerman, M. (author), Missamou, T. (author), Tedeschi, G. (author), Stein, K. (author)A comparison of aerosol data acquired at five different sites around the globe is presented. All data has been acquired with the same instrumentation and representative size distributions for marine air masses at 10 m/s wind speed have been selected for comparison. Differences in the concentrations of larger and smaller aerosols at the various...conference paper 2016
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Binnerts, B. (author), van Beek, P. (author)In the oil & gas industry there is a trend towards more subsea activities such as the processing of the Oil and Gas in so-called 'subsea factories'. Regulations aimed at managing the impact of underwater sound on marine life are being put in place by different nations. Many offshore operations require an assessment of the potential impact of...conference paper 2016
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- Lam, F.P. (author), Kleivane, L. (author), Sivle, L.D. (author), van Ijsselmuide, S.P. (author), Visser, F. (author), von Benda-Beckmann, A.M. (author), Wensveen, P.J. (author), Dekeling, R.P.A. (author) bookPart 2016
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Al-Moniee, M.A. (author), Al-Abeedi, F.N. (author), Koopal, C.G.J. (author), Akmal, N. (author), Sanders, P.F. (author), van Veen, S. (author)Anaerobic microorganisms which are frequently associated with corrosion fail Control of bacterial activity are posing major challenge in Saudi Arabia's massive seawater flooding systems. Biocides are used to control bacteria throughout the oil industry. A study to explore the feasibility to develop a detection technique for biocide batch...conference paper 2013
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Creusen, R.J.M. (author), van Medevoort, J. (author), Roelands, C.P.M. (author), van Renesse van Duivenbode, J.A.D. (author), Hanemaaijer, J.H. (author), van Leerdam, R.C. (author)The goal of this research is to design an integrated membrane distillation-crystallization (MDC) process for desalination of seawater with pure water and dry salts as the only products. The process is based on a combination of membrane distillation (MD) and osmotic distillation (OD) steps with integrated crystallization. In the first MD step...article 2013
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Tarnacki, K.M. (author), Melin, T. (author), Jansen, A.E. (author), van Medevoort, J. (author)In this study two desalination technologies have been compared by means of LCA with the focus on energy supply with a variety of scenarios based on different assumptions. The studied technologies are reverse osmosis and the newly developed technology Memstill where electrical energy demand is reduced by using external thermal energy source and...conference paper 2011
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TNO Bouw en Ondergrond (author), Hultin, K.A.H. (author), Nilsson, E.D. (author), Krejci, R. (author), Mrtensson, E.M. (author), Ehn, M. (author), Hagström, Å. (author), de Leeuw, G. (author)Bubbles bursting from whitecaps are considered to be the most effective mechanism for particulate matter to be ejected into the atmosphere from the Earth's oceans. To realistically predict the climate effect of marine aerosols, global climate models require process-based understanding of particle formation from bubble bursting. During a cruise...article 2010
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Prendergast, G.S. (author), Zurn, C.M. (author), Bers, A.V. (author), Head, R.M. (author), Hansson, L.J. (author), Thomason, J.C. (author), TNO Industrie en Techniek (author)Barnacle cypris larvae respond to many cues when selecting a settlement site. The settlement of over a million larvae on tiles of different textures, orientations and densities of incumbent settlers was measured on the rocky intertidal at Great Cumbrae, Scotland. Half of the tiles were replaced every tide whereas the others simultaneously...article 2009
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Donders, T.H. (author), Weijers, J.W.H. (author), Munsterman, D.K. (author), Kloosterboer-van Hoeve, M.L. (author), Buckles, L.K. (author), Pancost, R.D. (author), Schouten, S. (author), Sinninghe Damsté, J.S. (author), Brinkhuis, H. (author), TNO Bouw en Ondergrond (author)A palynological and organic geochemical record from a shallow marine paleoenvironmental setting in SE Netherlands documents the coupled marine and terrestrial climate evolution from the late Burdigalian (∼ 17 Ma) through the early Zanclean (∼ 4.5 Ma). Proxy climate records show several coeval variations in both relative sea surface (deduced from...article 2009
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TNO Defensie en Veiligheid (author), van Moll, C.A.M. (author), Ainslie, M.A. (author), van Vossen, R. (author)In this communication, a new empirical formula for the absorption of sound in seawater is derived. The starting point of this investigation is the formula proposed by Ainslie and Mc- Colm for attenuation due to the boron and magnesium relaxations. Constants in the expression are treated as parameters to be determined. Since this is a nonlinear...article 2009
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TNO Industrie en Techniek (author), Kamermans, P. (author), Blankendaal, M. (author), Perdon, J. (author)In The Netherlands, several pilot projects are carried out on the use of spat collectors as an additional supply of seed for bottom culture of mussels (Mytilus edulis). The method proves to be successful in yielding substantial amounts of seed. One of the conditions for successful application of collector seed on bottom plots is a good yield of...article 2009
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Ekblad, T. (author), Bergström, G. (author), Ederth, T. (author), Conlan, S.L. (author), Mutton, R. (author), Clare, A.S. (author), Wang, S. (author), Liu, Y. (author), Zhao, Q. (author), D'Souza, F. (author), Donnelly, G.T. (author), Willemsen, P.R. (author), Pettitt, M.E. (author), Callow, M.E. (author), Callow, J.A. (author), Liedberg, B. (author), TNO Industrie en Techniek (author)This work describes the fabrication, characterization, and biological evaluation of a thin protein-resistant poly(ethylene glycol) (PEG)-based hydrogel coating for antifouling applications. The coating was fabricated by free-radical polymerization on silanized glass and silicon and on polystyrene-covered silicon and gold. The physicochemical...article 2008
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Kastelein, R.A. (author), de Haan, D. (author), Verboom, W.C. (author), TNO Defensie en Veiligheid (author)It is unclear how well harbor porpoises can locate sound sources, and thus can locate acoustic alarms on gillnets. Therefore the ability of a porpoise to determine the location of a sound source was determined. The animal was trained to indicate the active one of 16 transducers in a 16-m -diam circle around a central listening station. The...article 2007
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Kuhlmann, G. (author), Langereis, C. (author), Munsterman, D. (author), Jan van Leeuwen, R. (author), Verreussel, R. (author), Meulenkamp, J. (author), Wong, T. (author), TNO Bouw en Ondergrond (author)A chronostratigraphic framework has been established for Upper Neogene sediments from the northern Netherlands offshore sector, southern North Sea. Data of dinoflagellate cysts, pollen and foraminifers from eight boreholes are integrated and the resulting biostratigraphic events are connected to an additionally retrieved paleomagnetic record....article 2006
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TNO Defensie en Veiligheid (author), Sellegri, K. (author), O'Dowd, C.D. (author), Yoon, Y.J. (author), Jennings, S.G. (author), de Leeuw, G. (author)Laboratory experiments have been carried out to elucidate the role of surfactants on the primary marine aerosol production of submicron marine aerosols. A synthetic surfactant SDS was used in conjunction with artificially generated seawater, and the resultant bubble-mediated aerosol produced was observed. At 23°C, the aerosol distribution...article 2006
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Kastelein, R.A. (author), Verboom, W.C. (author), Muijsers, M. (author), Jennings, N.V. (author), van der Heul, S. (author)To prevent grounding of ships and collisions between ships in shallow coastal waters, an underwater data collection and communication network is currently under development: Acoustic Communication network for Monitoring of underwater Environment in coastal areas (ACME). Marine mammals might be affected by ACME sounds since they use sounds of...article 2005
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Hamwijk, C. (author), Schouten, A. (author), Foekema, E.M. (author), Ravensberg, J.C. (author), Collombon, M.T. (author), Schmidt, K. (author), Kugler, M. (author), TNO Bouw en Ondergrond (author)Dichlofluanid (N-dichlorofluoromethylthio-N′-dimethyl-N- phenylsulphamide) is used as booster biocide in antifouling paints. The occurrence of dichlofluanid and its metabolite DMSA (N′-dimethyl-N-phenyl- sulphamide) was monitored in seawater and marine sediment from three Greek marinas. Seawater and sediment samples were collected at three...article 2005
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Schouten, A. (author), Mol, H. (author), Hamwijk, C. (author), Ravensberg, J.C. (author), Schmidt, K. (author), Kugler, M. (author), TNO Kwaliteit van Leven (author)A straightforward method based on GC-MS was developed to determine the booster biocide dichlofluanid and its metabolite DMSA in sediment and water. Special attention was paid to conservation of samples, conversion of dichlofluanid to DMSA during analysis and the effect dichlofluanid-containing paint particles might have on the analysis results....article 2005
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Bakker, D.P. (author), Busscher, H.J. (author), van Zanten, J. (author), de Vries, J. (author), Klijnstra, J.W. (author), van der Mei, H.C. (author), TNO Industrie (author)Many studies have shown relationships of substratum hydrophobicity, charge or roughness with bacterial adhesion, although bacterial adhesion is governed by interplay of different physico-chemical properties and multiple regression analysis would be more suitable to reveal mechanisms of bacterial adhesion. The formation of a conditioning film of...bookPart 2004
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