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| 1 | 热泵干燥北极虾和鱼块的干燥特性研究(英文)显示文摘利用热泵干燥机,分别在-2~O℃和20℃两种温度下对北极虾整虾、去头北极虾、去壳北极虾和尺寸分别为50mm(直径)×(7~9)mm(厚度)和50mm×(14~18)mm的鱼块进行了干燥研究。结果显示,虾的状态(有壳或无壳、有头或无头)和鱼块的厚度对其干燥特性有着显著影响。无论干燥温度为-2~0℃还是20℃,去壳虾所需干燥时间均最少,去头虾的干燥速度均大于整虾;薄鱼块的干燥速度在20℃显著大于厚鱼块的干燥速度。扩散模型MR-Aexp(-kt)可以很好地描述热泵干燥北极虾和鱼块的干燥特性,根据试验结果建立的一系列统计回归模型显示,当热泵干燥温度由-2~0℃C增加到20℃时,干燥速度和K值显著增加,干燥时间明显减小。 | 张国琛 Sigurjón Arason Sveinn Víkingur árnason | 2006 | 农业工程学报2006，22，9： | 17 |
| 2 | 热泵干燥北极虾的物理和感观特性研究(英文)显示文摘对分别在(-2~0)℃和20℃两种温度下热泵干燥北极虾(整虾、去头北极虾、去壳北极虾)的物理和感官特性进行了研究。结果显示,当热泵干燥温度由(-2~0)℃增加到20℃时,干燥虾的收缩率和所需的剪切力增大。干燥温度对干燥虾的色泽影响不显著。所有热泵干燥虾均具有高的复水能力和水分保持能力(WHC)。研究结果还显示,虾的处理状态(有壳或无壳、有头或无头、解冻处理)对其物理和感官特性有着显著影响。解冻处理不利于虾色泽的保持并使之收缩增加。在所有的干燥虾样品中,在20℃下干燥的冷冻去头虾(B-2)具有最好的综合表现。与热风干燥相比,利用热泵干燥虾可获得高质量干燥产品。 | 张国琛 Sigurjón Arason Sveinn Vikingur Amason | 2008 | 农业工程学报2008，24，5： | 14 |
| 3 | Dehydration property of Shrimp(Pandalus borealis)undergoing heat-pump drying process显示文摘Peeled,headed or whole shrimp(Pandalus borealis)was dried in a heat-pump dryer at-2-0℃and 20℃,respectively,and desorption isotherms characterizing the dehydration property of each shrimp sample group were determined.Desorption isotherms of shrimp handled differently and dried at different temperatures(-2-0℃or 20℃)could be well described by Oswin’s model(X=a(1-a_(w)/a_(w))).The regression model of peeled,headed or whole shrimp was established,which is reliable for predicting the desorption isotherms of shrimp undergoing heat-pump drying.The handling methods of shrimp exhibit measurable influence on desorption isotherms of shrimp,whereas drying temperature(-2-0℃or 20℃)has little influence on the constants of a and n in Oswin’s model,of whole shrimp,even though it has certain influence on these constants of peeled and headed shrimp.For heat-pump drying,headed shrimp may have a better stability than peeled or whole shrimp due to the best stability. | Zhang Guochen Sigurjón Arason Sveinn VíkingurÁrnason | 2009 | International Journal of Agricultural and Biological Engineering2009，2，4： | 2 |
| 4 | Retinal Oximetry in Primary Open-Angle Glaucoma 显示文摘 | Olof Birna Olafsdottir Sveinn Hakon Hardarson Maria Soffia Gottfredsdottir | 2011 | Investigative Ophthalmology & Visual Science(S1552-5783)2011，52，9： | 1 |
| 5 | Oxygen saturation in central retinal vein occlusion 显示文摘 | Sveinn Hakon Hardarson Einar Stefansson | 2010 | American Journal of Ophthalmology(S0002-9394)2010，150，6： | 1 |
| 6 | Retinal Oximetry Images Must Be Standardized: A Method- ological Analysis显示文摘 | Olafur Palsson Asbjorg Geirsdottir Sveinn Hakon Hardarson | 2012 | Invest Ophthalmol Vis Sci2012，53，： | 1 |
| 7 | Lower gastrointestinal bleeding: incidence, etiology, and outcomes in a population-based setting显示文摘 | Jóhann P. Hreinsson Sveinn Gumundsson Evangelos Kalaitzakis Einar S. Bj?rnsson | 2013 | European Journal of Gastroenterology & Hepatology2013，，： | 1 |
| 8 | Upper gastrointestinal bleeding: incidence, etiology and outcomes in a population-based setting显示文摘 | Jóhann P. Hreinsson Evangelos Kalaitzakis Sveinn Gudmundsson Einar S. Bj?rnsson | 2013 | Scandinavian Journal of Gastroenterology2013，，4： | 1 |
| 9 | Decision making in The Cod Industry Based on Recording and Analysis of Value Chain Data显示文摘 | Sveinn Margeirsson Birgir Hrafnkelsson | | 0，，02： | 1 |
| 10 | Collaborative Learning in Logistics and Transport:The Application of 3WIM显示文摘 | Sveinn Vidar Gudmundsson Jan Nijhuis | 2001 | International Journal of Physical Distribution & Logistics Manngement2001，31，： | 1 |
| 11 | traceability system in cod fishing显示文摘 | Juliana Antunes Galvio Sveinn Margeirsson Cecilia Garate | 2010 | Food Control2010，21，10： | 1 |
| 12 | Cognitive biases, organization, and entrepreneurial firm survival显示文摘 | Sveinn Vidar Gudmundsson Christian Lechner | 2013 | European Management Journal2013，，： | 1 |
| 13 | Benefits of traceability in fish supply chains - case studies显示文摘 | Nga Mai Sigurdur Gretar Bogason Sigurjon Arason Sveinn Víkingur árnason Thórólfur Geir Matthíasson | 2010 | British Food Journal2010，，9： | 1 |
| 14 | Glucosamine increases the expression of YKL-40 and osteogenic marker genes in hMSC during osteogenic differentiation显示文摘Human mesenchymal stem cells(hMSC)can be expanded in vitro and differentiated towards osteogenic,chondrogenic or adipogenic lineages,making them an attractive source for tissue engineering and regenerative medicine.Chitinase-like-proteins(CLPs)belong to the family 18 glycosyl hydrolases and are believed to play a role in inflammation and tissue remodelling.The aim of this study was to determine the effect of the aminosugar glucosamine on the expression of the CLP YKL-40 during osteogenic differentiation of hMSC.Glucosamine did not affect multipotency of hMSC nor proliferation rate of undifferentiated hMSC.YKL-40 was expressed during both expansion of undifferentiated hMSC and during osteogenic differentiation.A slight but non-significant increase in YKL-40 expression was observed with glucosamine,accompanied by a pH-dependent delay in mineralization.However,glucosamine induced higher expression of osteogenic marker genes. | Ramona LIEDER Sigrídur Thóra REYNISDOTTIR Finnbogi THORMÓDSSON Chuen-How NG Jon Magnús EINARSSON Jóhannes GÍSLASON Jóhannes BJORNSSON Sveinn GUDMUNDSSON Pétur Henry PETERSEN Olafur Eysteinn SIGURJONSSON | 2012 | Natural Products and Bioprospecting2012，2，2： | 0 |
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