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- Moberg, Christina, et al.
(författare)
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De unga gör helt rätt när de stämmer staten
- 2022
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Ingår i: Aftonbladet. - 1103-9000.
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- 1 620 forskare och lärare i forskarvärlden: Vi ställer oss bakom Auroras klimatkrav
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- Bergvall, Ida, 1975-
(författare)
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Bokstavligt, bildligt och symboliskt i skolans matematik : – en studie om ämnesspråk i TIMSS
- 2016
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The overall aim of this thesis is to deepen the understanding of mathematical subject language regarding three semiotic resources, written language, images and mathematical symbols. The theses also investigates high- and low-performingstudents encounter with mathematical subject language.Based on previous research on language and from a theoretical foundation based on systemic functional linguistics (SFL) and social semiotics, four meaning dimensions – packing, precision, personification and presentation – were identified as central in academic language in general and in mathematical subject language. A didactically based reception theoretical perspective has been used for an analysis of high and low achieving students' encounter with the mathematical subject language.The thesis comprises three studies each examining the mathematical subject language in TIMSS 2011 from various angles. The analyzes were conducted on four content areas algebra, statistics, geometry and arithmetic in the Swedish version of the international study Trends in International Mathematics and Science Study 2011 (TIMSS).In a summary, the results showed that the mathematical subject language was used in different ways in the four content areas in TIMSS where colloquial and subject-specific forms of languages had different roles and were expressed in varying degrees by the written language, images and mathematical symbols. Thus each content area was expressed by its own register which means that is not sufficient to talk about mathematical subject language as one single language.The result shows that two forms of language, subject specific and everyday language were used parallel in the TIMSS material. The subject specific forms were most salient in algebra and geometry and the more everyday forms of language were more common in statistics and arithmetic.The results from the correlation analyses indicated that fewer students managed the encounter with tasks in algebra and geometry when they were expressed by subject specific language. In contrast, the results indicated that students were able handle the encounter with the more colloquial expressions of the content areas statistics and arithmetic.
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| 8. |
- Björnsson, Lars-Henrik, et al.
(författare)
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En kartläggning av solcellsparker i Sverige 2021
- 2022
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- This report aims to map the largest groundbased solar farms in Sweden to better understand how they are usually designed; on what type of land they are built and how they can interact with other types of activities such as agriculture and measures to improve conditions for biodiversity. Mid-2021, the typical solar farm with at least 1 MW installed power is built on arable land, can be restored and, as a rule, avoids protected and designated natural areas according to this study, which is mainly based on survey responses. Solar panels are typically directed to the south with a 30-35 degree tilt and are anchored with piles. Generally, the distance between the rows is greater than 3 meters. The most common factors determining the location of the park are the costs for land purchases/leases and proximity to electricity grid. About half of the facilities surveyed are combined with some measure intended to benefit biodiversity. Combining the photovoltaic system with grazing (25%) or cultivation (10%) is still relatively uncommon. The results show that there is an awareness of issues related to biodiversity and opportunities to combine photovoltaic installations with other activities. The increasing pace of expansion of photovoltaic capacity suggests that a deeper understanding of how photovoltaic systems are best adapted to their surroundings will increase in importance.
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- Diaz de Grenu, Borja, et al.
(författare)
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Fluorescent Discrimination between Traces of Chemical Warfare Agents and Their Mimics
- 2014
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Ingår i: Journal of the American Chemical Society. - : American Chemical Society (ACS). - 0002-7863 .- 1520-5126. ; 136:11, s. 4125-4128
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Tidskriftsartikel (refereegranskat)abstract
- An array of fluorogenic probes is able to discriminate between nerve agents, sarin, soman, tabun, VX and their mimics, in water or organic solvent, by qualitative fluorescence patterns and quantitative multivariate analysis, thus making the system suitable for the in-the-field detection of traces of chemical warfare agents as well as to differentiate between the real nerve agents and other related compounds.
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- Dominique, Matilda, et al.
(författare)
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-visual-illusion-confusion-
- 2019
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Ingår i: Utställning på Fiberspace Gallery i Stockholm, 3-26 Oktober 2019.
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Konstnärligt arbete (övrigt vetenskapligt/konstnärligt)abstract
- Ett samarbete mellan Ida Pettersson Preutz och mig, Matilda Dominique. Den gemensamma utgångspunkten är skuggväven, vars potential vi prövat att gå från småskaligt mönster i hemmet till monumentalt och arkitektoniskt.
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