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Sexualitet, samtycke och relationer i skönlitteratur : En systematisk litteraturstudie om hur skönlitteratur kan vara behjälplig i att belysa SSR inom ramen för svenskundervisningVikenäs, Sanne January 2023 (has links)
Syftet med denna systematiska litteraturstudie är att undersöka hur skönlitteratur, i svenskämnet för gymnasiet, kan användas för att belysa (SSR) värdegrundsrelaterade frågor. Frågeställningarna som används handlar om hur sexualitet, samtycke och relationer belyses i skönlitteratur samt hur de kan användas i svenskämnesundervisning med hjälp av skönlitteratur. För att besvara syftet, med hjälp av frågeställningarna, analyseras sju vetenskapliga artiklar med hjälp av en latent innehållsanalys. Slutsatsen att den autonomi som lärare har vad det gäller att välja skönlitteratur innebär ett stort ansvar. Det är, enligt tidigare forskning och enligt denna studie, fullt möjligt att använda skönlitteratur till hjälp vid att belysa värdegrundsrelaterade begrepp. Det är dock tydligt att fenomenet samtycke är något som behöver belysas ytterligare ur skönlitterära perspektivfenomenen och för att ge yrkesverksamma lärare och personal i skolor mer information om de nya värdegrundsrelaterade begreppen sexualitet, samtycke och relationer.
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Mitigating SSCI in a hybrid wind and PV farm utilizing PV-STATCOM : A Swedish case studyLöfgren, Isabelle January 2022 (has links)
The share of electricity generation in the power system being based on power electronics is increasing, which will impact the system in different ways, such as an increased risk for undesired interactions. An example is doubly fed induction generator (DFIG) based windfarms which have been shown to present negative resistance in (parts of) the sub-synchronous range (i.e., below the system frequency of 50 or 60 Hz). If such a wind farm is radially connected (deliberately or not) to a series compensated line, undamped or poorly damped sub-synchronous oscillations could occur due to sub-synchronous resonance. One possible cause of such interactions is related to the wind farm control system, and in such cases, the interaction between the wind farm and system leading to sub-synchronous oscillations is referred to as sub-synchronous control interaction (SSCI). This thesis aims to describe different types of so-called sub-synchronous oscillations, with a focus on SSCI. An investigation is performed to find out under what circumstances there is a risk of SSCI, and how one can evaluate this risk. Different methods of obtaining the impedance of non-linear systems (e.g., a wind farm) are discussed, with the method used in this thesis being a dynamic impedance scan. The dynamic impedance scan is implemented in PSCAD and uses a voltage (or current) perturbation of one frequency at a time and measures the current (or voltage) response at that frequency, subsequently giving the impedance as the voltage/current ratio. Combined with the impedance of the grid, screening studies were performed to identify the risk of SSCI under different conditions. A 200 MW photovoltaic (PV) farm is designed and implemented in PSCAD. The PV farm is connected to the same bus as a 200 MW DFIG wind farm, resulting in a hybrid wind and PV farm. The hybrid wind and PV farm is in turn connected to a series compensated transmission system made to resemble a typical Swedish system. Functionality is added to the PV farm that enables it to act as a static synchronous compensator (STATCOM) to damp sub-synchronous oscillations if needed. Simulations are performed in PSCAD showing that the PV farm is able to damp the sub-synchronous oscillations occurring when the wind farm is radially connected with the series compensated line due to a fault, thereby avoiding disconnection or damage to equipment. One of the main conclusions is that assessing the risk of SSCI (screening) is not an exact science, but a highly complex matter. This conclusion is drawn due to contradictory implications given when analysing the measured grid and wind farm impedances. For example, a series resonance point in the combined reactance (grid + wind farm) would suggest that there would be oscillations at this frequency during a fault, but this may not always be the case. The opposite also occurred, i.e., oscillations of a certain frequency occurred even though no series-resonance point was seen in the combined impedance. Nonetheless, the screening method did manage to identify risk cases based on a set of criteria listed in the thesis, although electromagnetic transient analysis (EMT) time-domain simulations should always be performed for verification. The other main conclusion is that a PV farm installed at the point of common coupling (PCC) of a wind farm, i.e., a hybrid wind and PV farm, is able to damp sub-synchronous oscillations by acting as a PV-STATCOM. The use of combined assets, such as utilizing a PV farm to counteract SSCI in a wind farm, means that additional investments, for example in the form of a STATCOM, for this purpose could be avoided.
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The effects of a story fact recall quiz and game on off-task behavior during sustained silent reading (SSR) and the number of story facts recalled following SSR for secondary students with disabilitiesAllen, Natalie J. 24 August 2005 (has links)
No description available.
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Caracterización morfológica y molecular de Panicum coloratum var. makarikariense GoossensArmando, Lorena Vanesa 03 March 2014 (has links)
Panicum coloratum es una especie C4 perenne originaria del Sur de África, que fue introducida a nuestro país en la década del 90´a partir de pocos eventos no debidamente registrados. A pesar de sus buenos atributos como forrajera ha sido escasamente difundida en los sistemas ganaderos. Sin embargo, existe hoy una tendencia a aumentar su uso debido a su potencial y a su adaptación a condiciones marginales que es donde se sitúa predominantemente la actividad ganadera en la actualidad. En los últimos años se han dado a conocer varios trabajos que estudian diversos aspectos del crecimiento y de la adaptación de la especie a estreses abióticos, a la vez que se han instituido planes de mejoramiento con el fin de obtener nuevos cultivares para afrontar la creciente demanda de esta especie. P. coloratum está constituida principalmente por dos variedades botánicas, var. makarikariense y var. coloratum. En esta tesis en particular se describe detalladamente las características morfo-fisiológicas de la var. makarikariense de una colección del INTA EEA Rafaela, y se la compara con una accesión de la var. coloratum de la misma colección. Esta información sumada a la caracterización de la variación molecular presente en la colección son de suma importancia para la conservación de los recursos genéticos presentes en la colección a la vez que resultan muy informativos para el planteo de estrategias a seguir en el programa de mejoramiento que se está siguiendo en INTA. En el desarrollo de esta tesis se trabajó con cinco accesiones, 15 materiales clonales y un material comercial de la var. makarikariense y una accesión de la var. coloratum que se estudiaron utilizando descriptores fenotípicos asociados a producción de forraje y semillas y marcadores moleculares ISSR y SSR. Se identificaron accesiones superiores en cuanto a su potencial forrajero y de producción de semillas, con rendimientos en algunos casos por encima del material comercializado en el país. La variabilidad genética encontrada por medio del uso de marcadores ISSR y SSR tanto dentro como entre accesiones, se visualizó a través de bandas y alelos únicos por accesión. Con respecto al material actualmente comercializado en el país, la variabilidad genética existente, nos indicaría que se trata de una población estabilizada que no ha sido objeto de procesos de selección definidos. La accesión de la var. coloratum fue diferenciada morfológica y genéticamente de la var. makarikariense, detectándose loci y alelos que diferencian ambas variedades. La baja correlación entre la distancia morfológica y molecular indicaría que cada set de datos provee información diferente y complementaria para la caracterización y evaluación de los materiales. Dentro de la var. makarikariense, se encontraron accesiones que difieren entre sí y en sus niveles de diversidad, pudiéndose tratar de materiales que han sufrido algún proceso de diferenciación. La evaluación del número cromosómico y modo reproductivo de los materiales, mostró que se trataría de accesiones tetraploides. Por otra parte, la diferenciación en cuanto a la producción de mayor número de semillas llenas con respecto a vanas y la supervivencia diferencial de las plántulas cuando las semillas se obtienen bajo polinización libre en comparación a la autofecundación, asegura que se trata de una especie cuyo modo reproductivo preferencial es la alogamia. El análisis de test de progenie con marcadores SSR mostró que el 100% de la progenie presenta recombinación genética y el 83% presenta alelos paternos, lo que refuerza las evidencias sobre la naturaleza principalmente alógama de la especie. Las estimaciones de los componentes de varianza sobre familias de medias hermanas mostraron que más del 80% de la variación reside dentro de familias mientras que sólo una baja proporción de la variación estaría entre familias. Asimismo fue posible diferenciar entre familias de medias hermanas para varios de los caracteres evaluados. Se lograron hacer estimaciones de heredabilidad, aunque las mismas resultaron en general con valores moderados a bajos. Estas estimaciones se utilizaron para predecir ganancias genéticas a obtenerse después de un ciclo de selección con una presión del 15% en caracteres morfo-fisiológicos asociados a producción de forraje y semillas. Los métodos utilizados para estimar heredabilidad mostraron similar tendencia entre variables y una concordancia entre ellos, lo que nos indicaría que cualquiera de ellos sería un método apropiado para la estimación de estos parámetros. Se estudiaron relaciones entre caracteres, coheredabilidades y ganancias por selección indirecta entre rasgos relacionados que pudieran ser útiles en programas de selección. Estos resultados adicionan nuevos conocimientos sobre la diversidad genética, biología reproductiva y niveles de ploidía en materiales disponibles de P. coloratum, brindan información pertinente a la vez que abren nuevas perspectivas para el programa de mejoramiento de la especie lo que
permitirá la planificación y desarrollo de metodologías de cruzamientos y de utilización de los materiales para ser manipulados de forma práctica y eficiente.
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"Och så överlämnades jag till Odyssevs som en bit kött" : Om den didaktiska potentialen i arbetet med Penelopiaden för att utveckla elevers critical literacy i relation till sexualitet, samtycke och relationer / "And so I was handed over to Odysseus like a piece of meat" : About the Didactic Potential of Working with the Penelopiad to Develop Students' Critical Literacy in Relation to Sexuality, Consent and RelationshipsSjöberg, Emma, Svejd, Molly January 2024 (has links)
Under hösten 2022 trädde nya skrivningar i gymnasieskolans läroplan i kraft. Dessa skrivningar gäller bland annat området sexualitet, samtycke och relationer som nu ska inkorporeras i skolans alla ämnen, däribland svenskämnet. Det saknas dock tydliga direktiv från Skolverket för hur detta arbete ska ske i svenskämnet. Syftet med uppsatsen var att undersöka hur Margaret Atwoods roman Penelopiaden (2005) gestaltar sexualitet, samtycke och relationer (SSR) och vilken didaktisk potential romanen har kopplat till SSR med utgångspunkt i critical literacy. Först genomfördes en kvalitativ textanalys som undersökte hur sexualitet, samtycke och relationer gestaltades i romanen. Sedan följde en didaktisk analys som i sin tur undersökte hur romanen skulle kunna användas inom svenskämnet för att utveckla elevers kritiska förhållningssätt. Den kvalitativa textanalysen visade att Penelopiaden skildrar SSR på olika sätt exempelvis genom att beröra brist på samtycke, tabu kring kvinnors sexualitet, maktobalans samt könsmönster. Den didaktiska analysen, med utgångspunkt i resultaten från den litterära analysen, visade i sin tur att läsning av romanen tillsammans med kritiska frågor ger goda möjligheter att utveckla elevers kritiska förhållningssätt och diskutera teman inom SSR.
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Assessing genetic diversity in Vietnam tea [Camellia sinensis (L.) O. Kuntze] using morphology, inter-simple sequence repeat (ISSR) and microsatellite (SSR) markersVo, Thai Dan 01 February 2007 (has links)
No description available.
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The application of DNA fingerprinting and marker-assisted backcross selection in breeding for sunflower high oleic acid content lines / by Tshediso Andrew Mokhele.Mokhele, Tshediso Andrew January 2013 (has links)
Sunflower (Helianthus annuus L.) high oleic acid content lines differ from conventional sunflower by an increase in oleic acid (C18:1) content of more than 60%. The current sunflower cultivars under production in South Africa are standard sunflower with high levels of linoleic acid (C18:2). The aim of this study was to improve the quality of oil produced by local sunflower germplasm with respect to oleic acid through employing a marker-assisted breeding technique to facilitate and speed up the recovery of the high oleic acid allele into the background of the recurrent parent genome. Eleven sunflower breeding genotypes with high and low oleic acid traits were obtained from the Agricultural Research Council-Grain Crops Institute (ARC-GCI) in Potchefstroom. The breeding genotypes were phenotypically characterised based on their oleic and linoleic acid levels using gas chromatography. Results demonstrated that the average mean of oleic and linoleic acid contents in high oleic acid genotypes were 72% and 17% respectively, while the average mean of oleic acid and linoleic acid contents in wild type lines were 33.5 % and 54 % respectively. These results indicated a perfect negative correlation between the amount of oleic and linoleic acids possessed in high and low oleic acid genotypes (R2 = -99.16%). Sequence characterised amplified region (SCAR) markers were tested to ascertain if any of the ten available dominant FAD2-1 markers was segregating with the high oleic acid allele. Four dominant SCAR markers (FAD2-1F4/R1; FAD2-1F4/R2; FAD2-1F13/R1; FAD2-1F14/R2) were strongly associated with the high oleic acid trait (P< 0.001). With regard to the inheritance of the high oleic acid trait, 143 plants of the F2 segregating population derived from a cross between the high oleic acid parent (AP901-95-3-4-1) and low oleic acid parent (H55-9-2-1-1) were genotyped with the four SCAR markers to determine the genetic state concerning the high oleic acid gene (Ol). Results from a Chi square analysis of the observed frequencies of each dominant FAD2-1 marker locus in 143 F2 individuals indicated that the deviation from the expected ratio of 3:1 (high to low oleic acid) was not statistically significant (P< 0.95) from the observed segregation ratio. These results were consistent with the previous finding that an incomplete dominant gene governs sunflower high oleic acid. A multiplex assay of 78 Simple sequence repeat (SSR) markers was optimised and evaluated on 143 plants of the F2 population to determine suitable SSR markers that can be used in a marker-assisted background selection. Only 14 markers were suitable for marker-assisted background selection based on their high polymorphic information content, allele frequency and maximum allele numbers. In conclusion, this study demonstrated the potential of using SSR and SCAR marker systems as a breeding tool to characterise and speed up the selection process in marker-assisted backcross breeding. / Thesis (MSc (Botany))--North-West University, Potchefstroom Campus, 2013.
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The application of DNA fingerprinting and marker-assisted backcross selection in breeding for sunflower high oleic acid content lines / by Tshediso Andrew Mokhele.Mokhele, Tshediso Andrew January 2013 (has links)
Sunflower (Helianthus annuus L.) high oleic acid content lines differ from conventional sunflower by an increase in oleic acid (C18:1) content of more than 60%. The current sunflower cultivars under production in South Africa are standard sunflower with high levels of linoleic acid (C18:2). The aim of this study was to improve the quality of oil produced by local sunflower germplasm with respect to oleic acid through employing a marker-assisted breeding technique to facilitate and speed up the recovery of the high oleic acid allele into the background of the recurrent parent genome. Eleven sunflower breeding genotypes with high and low oleic acid traits were obtained from the Agricultural Research Council-Grain Crops Institute (ARC-GCI) in Potchefstroom. The breeding genotypes were phenotypically characterised based on their oleic and linoleic acid levels using gas chromatography. Results demonstrated that the average mean of oleic and linoleic acid contents in high oleic acid genotypes were 72% and 17% respectively, while the average mean of oleic acid and linoleic acid contents in wild type lines were 33.5 % and 54 % respectively. These results indicated a perfect negative correlation between the amount of oleic and linoleic acids possessed in high and low oleic acid genotypes (R2 = -99.16%). Sequence characterised amplified region (SCAR) markers were tested to ascertain if any of the ten available dominant FAD2-1 markers was segregating with the high oleic acid allele. Four dominant SCAR markers (FAD2-1F4/R1; FAD2-1F4/R2; FAD2-1F13/R1; FAD2-1F14/R2) were strongly associated with the high oleic acid trait (P< 0.001). With regard to the inheritance of the high oleic acid trait, 143 plants of the F2 segregating population derived from a cross between the high oleic acid parent (AP901-95-3-4-1) and low oleic acid parent (H55-9-2-1-1) were genotyped with the four SCAR markers to determine the genetic state concerning the high oleic acid gene (Ol). Results from a Chi square analysis of the observed frequencies of each dominant FAD2-1 marker locus in 143 F2 individuals indicated that the deviation from the expected ratio of 3:1 (high to low oleic acid) was not statistically significant (P< 0.95) from the observed segregation ratio. These results were consistent with the previous finding that an incomplete dominant gene governs sunflower high oleic acid. A multiplex assay of 78 Simple sequence repeat (SSR) markers was optimised and evaluated on 143 plants of the F2 population to determine suitable SSR markers that can be used in a marker-assisted background selection. Only 14 markers were suitable for marker-assisted background selection based on their high polymorphic information content, allele frequency and maximum allele numbers. In conclusion, this study demonstrated the potential of using SSR and SCAR marker systems as a breeding tool to characterise and speed up the selection process in marker-assisted backcross breeding. / Thesis (MSc (Botany))--North-West University, Potchefstroom Campus, 2013.
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Delimitação de espécie e filogeografia do complexo Cryptanthus zonatus (Vis.) Vis. (BROMELIACEAE)FERREIRA, Débora Maria Cavalcanti 29 February 2016 (has links)
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Previous issue date: 2016-02-29 / CAPES / Cryptanthus Otto & A.Dietr. (Bromeliaceae, Bromelioideae) é um gênero endêmico do Brasil.
Cryptanthus burle-marxii Leme e C. zonatus (Vis.) Vis. são restritas ao norte da Floresta
Atlântica nordestina e não apresentam delimitação taxonômica bem definida, pois muitos de
seus caracteres morfológicos se sobrepõem. Ambas as espécies compõem o complexo C.
zonatus (Vis.) Vis.. O objetivo do presente estudo foi realizar a delimitação de espécies e
descrever os padrões filogeográficos do complexo C. zonatus, utilizando dados morfológicos,
moleculares e de modelagem de nicho ecológico. Para o estudo foram feitos testes de
amplificação heteróloga em C. burle-marxii e C. zonatus, utilizando 38 locos de
microssatélites nucleares de cinco espécies de Bromeliaceae. Dos 38 locos testados, 24
apresentaram amplificação positiva e 13 foram polimórficos. Dez locos polimórficos foram
selecionados para serem amplificados e genotipados em 147 indivíduos de oito populações do
complexo C. zonatus. O resultado da análise morfológica e de estrutura genética mostrou que
C. burle-marxii e C. zonatus são dois nomes dados à mesma espécie. A análise filogeográfica
mostrou que a distribuição geográfica e estrutura genética do complexo C. zonatus pode ter
sofrido modificações no quaternário. No último máximo glacial a distribuição geográfica
potencial do complexo era contínua e maior em algumas áreas que atualmente é mar, o que
deve ter ocorrido provavelmente devido à regressão marinha neste local. No Holoceno médio
houve a potencial separação da distribuição possivelmente devido a uma barreira ecológica
que perdurou até o presente formando dois grupos geneticamente estruturados, um ao norte e
outro ao sul. Para a conservação da espécie foram indicadas populações prioritárias para o
estabelecimento de unidades de conservação. / Cryptanthus Otto & A.Dietr. (Bromeliaceae, Bromelioideae) is an endemic genus from Brazil.
Cryptanthus burle-marxii Leme and C. zonatus (Vis.) Vis. are species restricted to the north
of the northeastern Atlantic Forest and have no well-defined taxonomic delimitation due to
overlaping of some morphological characters. Both species are included in the Cryptanthus
zonatus complex. The main goal of this study was to delimit species boudaries and to describe
the phylogeographic patterns of the complex C. zonatus using morphological, molecular and
ecological niche modeling data. For this study were carried out cross-amplification tests in C.
burle-marxii and C. zonatus using 38 loci of nuclear microsatellite of five species of
Bromeliaceae. Of the 38 loci tested, 24 showed positive amplification and 13 were
polymorphic. Ten polymorphic loci were selected to be amplified and genotypes in 147
individuals from eight populations of the complex C. zonatus. The results of the
morphological and genetic structure analyses showed that C. burle-marxii and C. zonatus are
two names given to the same species. The phylogeographic analysis showed that the
geographic distribution and genetic structure of the complex C. zonatus may have been
modified in the Quaternary. The potential geographic distribution of the complex in the last
glacial maximum was continuous and larger in some areas which are sea in present, what
have probably occurred due to marine regression at this location. In the middle Holocene,
there was the potential separation of distribution, possibly due to an ecological barrier that
lasted until the present, forming two genetically structured groups, one in the north and other
in the south. For conservation of the species priority populations were indicated for the
establishment of protected areas
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Diversidade em Psidium guajava L. por caracteres morfológicos, moleculares e citogenéticos / Diversity in Psidium guajava L. by morphological, molecular and cytogeneticsCoser, Sara Morra 12 July 2012 (has links)
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Previous issue date: 2012-07-12 / A goiabeira (Psidium guajava L.) é uma das fruteiras de maior importância econômica da família Myrtaceae. O Brasil é um dos maiores produtores de goiaba do mundo, sendo esta uma cultura potencial em expansão e rentabilidade. A polinização cruzada da espécie e a existência de pomares heterogêneos de propagação seminal resultam em variabilidade, permitindo a seleção de genótipos para o melhoramento da cultura. O objetivo deste trabalho foi estudar a diversidade genética em genótipos de P. guajava selecionados em pomar de origem seminal e cultivares por características morfológicas e químicas de qualidade de fruto, também associar dados de conteúdo de DNA nuclear (2C), cariótipo, morfológicos e de marcadores moleculares microssatélites. Verificou-se a existência de divergência entre as Cortibel com relação às características de fruto, com genótipos apresentando performance superior e genótipos com desempenho semelhante à cultivares, potenciais para uso em hibridações ou como cultivares. As análises cariotípica e de conteúdo de DNA nuclear (2C) mostraram que os genótipos possuem um genoma estável, pequeno e diplóide e características cariotípicas relacionadas a grupos ancestrais de angiospermas. O dendrograma UPGMA baseado em dados morfológicos e SSR evidenciaram diversidade entre os genótipos, com melhor discriminação pelos dados de SSR. Como a maioria dos genótipos mostraram similaridade morfológica para as características de frutos, aliada a dissimilaridade molecular, estes se mostraram interessantes para o uso em hibridações em programas de melhoramento. O conjunto de dados gerados contribuiu para expandir o conhecimento sobre o genoma e a diversidade genética em P. guajava. Também é importante na estruturação de programas de melhoramento para a cultura, além de contribuir para estudos evolutivos / Guava (Psidium guajava L.) is one of the most economically important fruit crop from Myrtaceae family. Brazil is one of the largest producers of guava in the world, which is a potential crop in growth and profitability. Cross-pollination of the species and the existence of heterogeneous seminal propagation orchards result in variability, allowing the selection of genotypes for crop improvement. The aim of this study was to evaluate genetic diversity between P. guajava L genotypes selected from seminal origin orchard and cultivars, by morphological and fruit quality chemical characteristics, also associate data from nuclear 2C-value, karyotypic, morphological and simple sequence repeat (SSR) marker. There were divergences between Cortibel selections by fruit characteristics, with genotypes showing superior and similar performance when compared with cultivated genotypes, potential for use in hibridation and as cultivars. Karyotype and nuclear 2C-value analyses showed that all genotypes have a stable and very small diploid genome (2n = 2X = 22; 2C = 0.95 pg), and karyotypic characteristics related to ancestral angiosperm groups. UPGMA dendrogram based on morphological and SSR data evidenced diversity among the genotypes, with better discrimination by SSR data. Since most genotypes showed morphological similarity for fruit characteristics, combined with molecular dissimilarity, the use of these genotypes in hybridation breeding programs could be of interest. The obtained data set contributed to expand the knowledge about genome and genetic diversity of P. guajava. Also are important to structure crop improvement programs and contribute to evolutionary approaches
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