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| 1 | Drag on Hydroid-Fouled Nets – An Experimental Approach显示文摘The present study investigated the drag increase on aquaculture nets due to biofouling of the colonial hydroid Ectopleura larynx. It had two main parts: firstly the growth characteristics of E. larynx were investigated by use of field tests at a Norwegian aquaculture site; secondly the hydrodynamic drag on the fouled twines was studied in a towing tank by using fabricated models of net twines with artificial hydroid fouling. In the field tests, the growth of the hydroids was first measured after three weeks of immersion and then again after six weeks. During this interval, the density of hydroids and the thickness of the hydroid stem were almost constant(1.4 hydroids/mm and 0.29 mm, respectively), while the average length of the hydroids increased from 6.4 to 11.2 mm. The hydroid length followed a Rayleigh distribution, while the thickness was normal(Gaussian) distributed. Replicas of twines with three different levels of hydroid growth were made(1.5 hydroids/mm twine, hydroid length 9 mm, 16 mm and 20 mm), and the drag on these twines was measured at different towing velocities(0.1 to 1.4 m/s) and with different twine configurations. For the twine with the shortest hydroids(9 mm), the drag was from 1.5 times(Re=4000) to 2.2 times(Re=1000) the drag on a clean twine. For the longest hydroids(21 mm), the drag was 2 times and 3.8 times, respectively. | Pl LADER David W. FREDRIKSSON Jana GUENTHER Zsolt VOLENT Nina BLOCHER David KRISTIANSEN Lars GANSEL Jud DECEW | 2015 | China Ocean Engineering2015，29，3： | 1 |
| 2 | Paracrine signaling by platelet-derived growth factor-CC promotes tumor growth by recruitment of cancer associated fibroblasts显示文摘 | Anderberg C Li H Fredriksson L | 2009 | Cancer Res2009，69，1： | 1 |
| 3 | Separation effect and perception of pain and discomfort from two types of orthodontic separators显示文摘 | Bondemark L Fredriksson K Ilros S | 2004 | World J Orthod2004，5，2： | 1 |
| 4 | The PDGF family: four gene products form five dimeric isoforms 显示文摘 | Fredriksson L Li H Eriksson U | 2004 | Cytokine Growth Factor Rev2004，15，4： | 1 |
| 5 | PDGF-D is a potent transforming and angiogenic growth factor显示文摘 | LI H FREDRIKSSON L LI X | 2003 | Oncogene2003，22，10： | 1 |
| 6 | Neurofunctional deficits and potentiated apoptosis by neonatal NMDA antagonist administration显示文摘 | Fredriksson A Arche L T Aim H | 2004 | Behav Brain Res2004，153，2： | 1 |
| 7 | Bureaucratic corruption,environmental policy and inbound US FDI:Theory and evidence显示文摘 | Fredriksson P G List J A Millimet D L | 2003 | Journal of Public Economics2003，，87： | 1 |
| 8 | The PDGF family:four gene products form five dimeric isoforms显示文摘 | Fredriksson L Li H Eriksson U | 2004 | Cytokine Growth FactorRev2004，15，4： | 1 |
| 9 | Modes of relating in a caring conversation:a research synthesis on presence,touch and liste-ning显示文摘 | Fredriksson L | | 0，，05： | 1 |
| 10 | Is there a 'California effect' in US environmental policymaking?显示文摘 | FREDRIKSSON P G MILLIMET D L | 2002 | Regional Science and Urban Economics2002，32，： | 1 |
| 11 | PDGF-D is a potenttransforming and angiogenic growth factor显示文摘 | LI H FREDRIKSSON L LI X | 2003 | Oncogene2003，22，10： | 1 |
| 12 | Is there a 'California Effect' in US environmental policymaking? 显示文摘 | Fredriksson P G Milliment L D | 2002 | Regional Sci- ence and Urban Economics2002，32，： | 1 |
| 13 | PDGF-D is a potent trans- forming and angiogenic growth factor显示文摘 | Li H Fredriksson L Li X | 2003 | Oncogene2003，22，： | 1 |
| 14 | Bureaucratic corruption,environmental policy and inbound US FDI:theory and evidence显示文摘 | Fredriksson P G List J A Millimet D L | 2003 | Public Econ2003，87，： | 1 |
| 15 | A case study of a modified gravity type cage and mooring system using numerical and physical models 显示文摘 | DeCew J Fredriksson D W Bugrov L | 2005 | IEEE J Oce Engin2005，30，1： | 1 |
| 16 | The PDGF family: four gene products form five dimeric isoforms 显示文摘 | Fredriksson L Li H Eriksson U | 2004 | Cytokine Growth FactorRev2004，15，4： | 1 |
| 17 | The PDGF family: four gene prod- ucts form five dimeric isoforms 显示文摘 | Fredriksson L Li H Eriksson U | 2004 | Cytokine Growth Factor Rev2004，15，4： | 1 |
| 18 | A retrospective study of 236 p&tientswith teeth restored by c&rbon fiber reinforced epoxy resin posts显示文摘 | Fredriksson M Astbck J P&menius M et &l | 2008 | J ProsthetDent2008，80，2： | 1 |
| 19 | TNF-α-mediated NF-KB survival signaling impairment by cisplatin enhances JNK activation allowing synergistic apoptosis of renal proximal tubular cells显示文摘 | Benedetti G Fredriksson L Herpers B | 2013 | Biochem Pharmacol2013，85，2： | 1 |
| 20 | In situ heat treatment in selective laser melted martensitic AISI 420 stainless steels显示文摘 | Krakhmalev P Yadroitsava l Fredriksson G | 2015 | Materials & Design2015，87，15： | 1 |
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