| 1. |
- Ayob, Mohd Nasir, et al.
(författare)
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Small-Scale Renewable Energy Converters for Battery Charging
- 2018
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Ingår i: Journal of Marine Science and Engineering. - : MDPI. - 2077-1312. ; 6:1
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Tidskriftsartikel (refereegranskat)abstract
- This paper presents two wave energy concepts for small-scale electricity generation. In the presented case, these concepts are installed on the buoy of a heaving, point-absorbing wave energy converter (WEC) for large scale electricity production. In the studied WEC, developed by Uppsala University, small-scale electricity generation in the buoy is needed to power a tidal compensating system designed to increase the performance of the WEC in areas with high tides. The two considered and modeled concepts are an oscillating water column (OWC) and a heaving point absorber. The results indicate that the OWC is too small for the task and does not produce enough energy. On the other hand, the results show that a hybrid system composed of a small heaving point absorber combined with a solar energy system would be able to provide a requested minimum power of around 37.7W on average year around. The WEC and solar panel complement each other, as the WEC produces enough energy by itself during wintertime (but not in the summer), while the solar panel produces enough energy in the summer (but not in the winter).
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| 2. |
- Azouri, Kristian, et al.
(författare)
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Hotellrapport Stockholm
- 2011
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Rapport (populärvet., debatt m.m.)abstract
- Stockholm är Sveriges största stad och marknadsför sig som ”The Capital of Scandinavia”. De flesta resenärer som besöker Sverige åker till just Stockholm. År 2010 nådde Stockholms län 10 miljoner kommersiella övernattningar. Det är lätt att ta sig till Stockholm med både flyg, tåg, båt, bil och buss. Stockholm har ett brett utbud av kongress- och mässanläggningar. År 2009 var Stockholm den sjunde mest populära staden i världen att förlägga kongresser på. I dagsläget är Sverige på väg ur den lågkonjunktur som startade år 2008. Sveriges BNP och valuta är på väg att stabiliseras och stärkas. Regeringen har även lagt in ett förslag om att sänka tjänstemomsen inom hotell- och restaurangbranschen. I denna rapport har vi valt att avgränsa oss till ett eget utvalt område inom Stockholm. Detta område innefattar 143 hotell med 20 054 hotellrum.De prognoser vi gjort gällande staden Stockholm och segmenten affärsresenärer och fritidsresenärer pekar på en ökning av besökare till staden. Detta kommer resultera i att hotellens beläggning, snittpris och RevPAR kommer att öka framtill år 2013. Efter år 2013 tror vi att segmentet affärsresenärer kommer att minska något procentuellt och kurvan för belagda nätter kommer att stabiliseras. Dock tror vi att segmentet fritidsresenärer kommer att öka procentuellt efter år 2013 och antalet belagda hotellrum kommer att successivt öka mellan åren 2011 – 2015. Vi tror att snittpris och RevPAR kommer att sjunka på grund av att en fritidsresenär generellt sätt inte betalar lika mycket för ett hotellrum som en affärsresenär gör.
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| 3. |
- Palmcrantz, Susanne, et al.
(författare)
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Assessing feasibility and acceptability of study procedures : getting ready for implementation of national stroke guidelines in out-patient health care
- 2015
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Ingår i: BMC Health Services Research. - : Springer Science and Business Media LLC. - 1472-6963. ; 15
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Even though Swedish national guidelines for stroke care (SNGSC) have been accessible for nearly a decade access to stroke rehabilitation in out-patient health care vary considerably. In order to aid future interventions studies for implementation of SNGSC, this study assessed the feasibility and acceptability of study procedures including analysis of the context in out-patient health care settings.METHODS: The feasibility and acceptability of recruitment, observations and interviews with managers, staff and patients were assessed, as well as the feasibility of surveying health care records.RESULTS: To identify patients from the the hospitals was feasible but not from out-patient care where a need to relieve clinical staff of the recruitment process was identified. Assessing adherence to guidelines and standardized evaluations of patient outcomes through health care records was found to be feasible and suitable assessment tools to evaluate patient outcome were identified. Interviews were found to be a feasible and acceptable tool to survey the context of the health care setting.CONCLUSION: In this feasibility study a variety of qualitative and quantitative data collection procedures and measures were tested. The results indicate what can be used as a set of feasible and acceptable data collection procedures and suitable measures for studying implementation of stroke guidelines in an out-patient health care context.
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| 4. |
- Palmcrantz, Susanne, et al.
(författare)
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Differences between younger and older individuals in their use of care and rehabilitation but not in self-perceived global recovery 1 year after stroke
- 2012
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Ingår i: Journal of the Neurological Sciences. - : Elsevier BV. - 0022-510X .- 1878-5883. ; 321:1-2, s. 29-34
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Tidskriftsartikel (refereegranskat)abstract
- Background: Although priorities in Swedish stroke care should be based on the ethical principles of equal care and greatest support to those in greatest need, being of working age (younger) or retired (older) might influence expectations on recovery and the provision of care and rehabilitation.Method: Information regarding the use of care and rehabilitation during the 1st year after stroke was retrieved from the Stockholm County Council database and the medical data was taken from the medical records. The Barthel Index was used for self-ratings of dependence pre-stroke, and the Stroke Impact Scale was used to assess self-perceived disability and a global rating of recovery at 12 months. One hundred and ninety-two individuals were included.Results: Results showed that the younger group received more care and rehabilitation than the older group. In the older group, comorbid conditions and pre-stroke dependence, estimated in accordance with the Barthel Index, were more common. The older group reported larger impact on self-perceived disability regarding strength, mobility, self-care and domestic life, while self-perceived global recovery did not differ between the groups.Conclusion: Younger individuals received more care and rehabilitation, which indicates structural inequality in the provision of health care resources. However, as no difference in self-perceived global recovery was found between the groups; the disparity in the provision of health care may also be a consequence of greatest support being given to those in greatest need. By demonstrating the necessity of involving self-rated assessments of stroke impact at different points in time and in different age groups, the results of this study add to previous knowledge of age-related differences in the provision of health care and stroke outcome. Furthermore. this suggests a way to approach evaluation of equality in the provision of health care.
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| 5. |
- Tistad, Malin, et al.
(författare)
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Shorter length of stay in the stroke unit : comparison between the 1990s and 2000s
- 2012
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Ingår i: Topics in Stroke Rehabilitation. - : Informa UK Limited. - 1074-9357 .- 1945-5119. ; 19:2, s. 172-181
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The process ruling length of stay (LOS) in hospitals is complex, and changes over time in LOS have not been explored. The purpose of the study was to examine differences in LOS, use of and satisfaction with health-related services, and capacity in activities of daily living (ADLs) during the first year post stroke in 2 groups of patients with mild to moderate stroke who received care in the same stroke unit.Method: The patients (1993/96, n=40; 2006/07, n=43) in this study received care in the stroke unit at Karolinska University Hospital, Huddinge, Sweden. Data on LOS and on the use of health-related services were collected from the Stockholm County Council computerized registers. Satisfaction with health-related services was assessed using a questionnaire covering different dimensions of care, while ADLs were assessed using Katz Extended Index of ADL.Results: The LOS in the stroke unit was shorter in the 2006-2007 group (median 8 days) compared to the 1993-1996 group (13 days) (P < .001). Both groups were equally satisfied with health-related services received. A larger proportion of patients were independent in ADLs 3 months post stroke in the 2006-2007 group, but no difference was seen at 6 or 12 months post stroke.Conclusion: It seems possible to reduce the number of days spent in the stroke unit after mild to moderate stroke and instead spend days in a rehabilitation unit, and yet achieve similar patient satisfaction and faster recovery in ADL.
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| 6. |
- Widen, Gunilla, et al.
(författare)
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Mixed Emotions in Active Social Media Use-Fun and Convenient or Shameful and Embarrassing?
- 2015
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Ingår i: iConference 2015 Proceedings. - : iSchools.
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Konferensbidrag (refereegranskat)abstract
- This paper discusses self-perceived observations of social media use among undergraduate students. 132 media diaries are analyzed in order to identify media usage patterns and profiles. The purpose was to go beyond a typical snapshot acquired from a cross-sectional survey design. The students were asked to report in detail of their media use and to reflect on their behavior. The diaries have been analyzed using NVivo with the focus on the explication of the students own reflections on their media and social media consumption. Results show four different media consumption profiles. Most of the students were active social media users. An interesting finding is that 17 % of the students experience their social media behavior as problematic and their reflections revealed strong negative emotions. The perception of negative behavior is expressed as a feeling of shame, guilt, and embarrassment.
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