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- Söder, Lennart, 1956-, et al.
(author)
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Review of wind generation within adequacy calculations and capacity markets for different power systems
- 2020
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In: Renewable and Sustainable Energy Reviews. - : Elsevier BV. - 1364-0321. ; 119
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Journal article (peer-reviewed)abstract
- The integration of renewable energy sources, including wind power, in the adequacy assessment of electricity generation capacity becomes increasingly important as renewable energy generation increases in volume and replaces conventional power plants. The contribution of wind power to cover the electricity demand is less certain than conventional power sources; therefore, the capacity value of wind power is smaller than that of conventional plants.This article presents an overview of the adequacy challenge, how wind power is handled in the regulation of capacity adequacy, and how wind power is treated in a selection of jurisdictions. The jurisdictions included in the overview are Sweden, Great Britain, France, Ireland, United States (PJM and ERCOT), Finland, Portugal, Spain, Norway, Denmark, Belgium, Germany, Italy and the Netherlands.
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| 3. |
- Bird, Lori, et al.
(author)
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Wind and solar energy curtailment : A review of international experience
- 2016
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In: Renewable & sustainable energy reviews. - : Elsevier. - 1364-0321 .- 1879-0690. ; 65, s. 577-586
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Research review (peer-reviewed)abstract
- Greater penetrations of variable renewable generation on some electric grids have resulted in increased levels of curtailment in recent years. Studies of renewable energy grid integration have found that curtailment levels may grow as the penetration of wind and solar energy generation increases. This paper reviews international experience with curtailment of wind and solar energy on bulk power systems in recent years, with a focus on eleven countries in Europe, North America, and Asia. It examines levels of curtailment, the causes of curtailment, curtailment methods and use of market based dispatch, as well as operational, institutional, and other changes that are being made to reduce renewable energy curtailment.
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| 4. |
- Ghersi, Marisa Soledad, et al.
(author)
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Ghrelin inhibited serotonin release from hippocampal slices
- 2011
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In: Peptides. - : Elsevier BV. - 0196-9781 .- 1873-5169. ; 32:11, s. 2367-2371
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Journal article (peer-reviewed)abstract
- Ghrelin (Ghr) is a peptide produced peripherally and centrally. It participates in the modulation of different biological processes. In our laboratory we have shown that (a) Ghr administration, either intracerebroventricular or directly into the hippocampus enhanced memory consolidation in a step down test in rats (b) the effect of Ghr upon memory decreases in animals pretreated with a serotonin (5-HT) reuptake inhibitor, Fluoxetine, suggesting that Ghr effects in the hippocampus could be related to the availability of 5-HT. It has been demonstrated that Ghr inhibits 5-HT release from rat hypothalamic synaptosomes. Taking in mint these evidences, we studied the release of radioactive 5-HT to the superfusion medium from hippocampal slices treated with two doses of Ghr (0.3 and 3 nm/mu l). Ghr inhibited significantly the 5-HT release in relation to those superfused with artificial cerebrospinal fluid (ACSF) (H = 9.48, df = 2, p <= 0.05). In another set of experiments. Ghr was infused into the CA1 area of hippocampus of the rats immediately after training in the step down test and the 5-HT release from slices was studied 24 h after Ghr injection showing that in this condition also the 5-HT release was inhibited (H = 11.72, df = 1, p < 0.05). In conclusion, results provide additional evidence about the neurobiological bases of Ghr action in hippocampus.
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- Tobiano, G., et al.
(author)
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Development and validation of a survey designed to measure patient experience of and preference for surgical wound care discharge education: A pilot study
- 2023
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In: Journal of Tissue Viability. - 0965-206X. ; 32:3, s. 442-448
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Journal article (peer-reviewed)abstract
- Aim of the study: To develop and undertake validation testing of a survey designed to measure patients' experiences of and preferences for surgical wound care discharge education.Materials and methods: A literature review and content analysis was undertaken on patients' experiences of and preferences for surgical wound care discharge education. Four themes were uncovered in the literature (wound care discharge education, preferences for discharge education delivery, participation in wound care decisions and patient ability to manage their surgical wound to prevent wound complications), which guided item generation. Three types of validity testing occurred including: 1) face validity testing by the research team; 2) content validity testing (using Delphi study) with an international panel of experts including patients, clinicians and researchers; and 3) content validity (using pilot-testing) of the survey with seven patients from the target population.Results: Initially 106 items were generated from the literature, and of these, 55 items were subjected to content validity testing by an international panel of 41 experts. After two Delphi rounds, 18 items were retained. Most patients provided limited and very minor feedback during pilot-testing. However, pilot-testing resulted in a revised survey administration plan to deliver the survey via telephone, including adding prompts and preambles to items.
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