176 research outputs found

    Industriminnet i framtiden

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    Flottningen i Sverige formade om landskap och vattendrag, och var en grundsten i den svenska ekonomien under lång tid. Idag är flottningen utdöd men monumenten som berättar historien finns kvar, däribland timmerrännan. Kulturarvsarbetet och naturvårdsarbetet har historiskt möts i bevarandefrågan, som är och kommer att vara en målkonflikt mellan olika värden. För att förstå hur kulturarvsarbetet ser ut idag undersöks FoU-forskningen inom kulturmiljöfältet. Riksantikvarieämbetets fornlämningsarbete undersöks också för att identifiera dess förhållningssätt till timmerrännan. Vidare så undersöks två fall av bevarade timmerrännor, för att besvara frågor om hur de värderas av relevanta myndigheter och hur de används idag. Resultatet visar att mycket få FoU-projekt handlar om industrimiljöer eller vattenanknutna kulturmiljöer. Fallstudiens resultat visar att ingen av de undersökta timmerrännorna har något lagstiftat skydd, och att deras bevarande har skett utan statlig inblandning. Idéer för vidare användning av timmerrännan presenteras också inom arbetet.Log driving in Sweden reshaped landscapes and watercourses and was a foundation in the Swedish economy for a long time. Log driving today is to an end, but the monuments such as the log flume still tell a story of the past. Cultural heritage work and nature conservation have and will continue to clash because of the conflicting goals of each field. To understand todays cultural heritage work the research funded by the National Heritage Board is investigated. The National Heritage Boards work with ancient monuments is also researched to find their approach to the log flume. A case study is also carried out to answer questions about how relevant Swedish authorities’ rate two cases of log flumes, and to understand how the log flumes are used today. The result shows that very few projects funded by the National Heritage Board is about in industrial monuments and cultural water environments. The case study shows that none of the examined log flumes have conservation protection, and that the preservation has happened without public support

    The Geneva Minimalistic Acoustic Parameter Set (GeMAPS) for Voice Research and Affective Computing

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    Work on voice sciences over recent decades has led to a proliferation of acoustic parameters that are used quite selectively and are not always extracted in a similar fashion. With many independent teams working in different research areas, shared standards become an essential safeguard to ensure compliance with state-of-the-art methods allowing appropriate comparison of results across studies and potential integration and combination of extraction and recognition systems. In this paper we propose a basic standard acoustic parameter set for various areas of automatic voice analysis, such as paralinguistic or clinical speech analysis. In contrast to a large brute-force parameter set, we present a minimalistic set of voice parameters here. These were selected based on a) their potential to index affective physiological changes in voice production, b) their proven value in former studies as well as their automatic extractability, and c) their theoretical significance. The set is intended to provide a common baseline for evaluation of future research and eliminate differences caused by varying parameter sets or even different implementations of the same parameters. Our implementation is publicly available with the openSMILE toolkit. Comparative evaluations of the proposed feature set and large baseline feature sets of INTERSPEECH challenges show a high performance of the proposed set in relation to its size

    WAT1 (WALLS ARE THIN1) defines a novel auxin transporter in plants and integrates auxin signaling in secondary wall formation in Arabidopsis fibers

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    International audienceWAT1 (WALLS ARE THIN1) defines a novel auxin transporter in plants and integrates auxin signaling in secondary wall formation in Arabidopsis fibers. IUFRO Tree Biotechnology Conference 2011: From Genomes to Integration and Deliver

    Case study of a performance-active changing trans* male singing voice

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    A professional classical singer of more than 25 years (AZ) in his early 50s requested this voice researcher’s consultation and assistance in early 2014. He was about to start living full time as a trans* man. Despite his intention to be included in the low start/gradual increase testosterone option of the Trans* Male (previously, “FTM”) Singing Voice Program, the request contained a rather unconventional aspect: AZ would continue to sing while his voice was changing. The above request was integral with his singing history. After the introduction of safeguards and his informed consent, AZ was accepted onto the Program. Due to the highly individual circumstances, his participation was recorded as a case study. The study has aimed to replicate the particulars of the slow hormonal changes and continuing singing ability found in certain cisgender male adolescent voices. Despite dealing with an adult trans* male individual, the progress has been comparable. This has been achieved by carefully monitoring AZ’s low start/gradual increase testosterone administration in communication with the medical practitioner. The participant’s vocal health remained safeguarded and promoted by carefully individualized vocal tuition. This article will discuss the collective results of the case study, including the recordings and the data analysis

    A transcriptional timetable of autumn senescence

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    BACKGROUND: We have developed genomic tools to allow the genus Populus (aspens and cottonwoods) to be exploited as a full-featured model for investigating fundamental aspects of tree biology. We have undertaken large-scale expressed sequence tag (EST) sequencing programs and created Populus microarrays with significant gene coverage. One of the important aspects of plant biology that cannot be studied in annual plants is the gene activity involved in the induction of autumn leaf senescence. RESULTS: On the basis of 36,354 Populus ESTs, obtained from seven cDNA libraries, we have created a DNA microarray consisting of 13,490 clones, spotted in duplicate. Of these clones, 12,376 (92%) were confirmed by resequencing and all sequences were annotated and functionally classified. Here we have used the microarray to study transcript abundance in leaves of a free-growing aspen tree (Populus tremula) in northern Sweden during natural autumn senescence. Of the 13,490 spotted clones, 3,792 represented genes with significant expression in all leaf samples from the seven studied dates. CONCLUSIONS: We observed a major shift in gene expression, coinciding with massive chlorophyll degradation, that reflected a shift from photosynthetic competence to energy generation by mitochondrial respiration, oxidation of fatty acids and nutrient mobilization. Autumn senescence had much in common with senescence in annual plants; for example many proteases were induced. We also found evidence for increased transcriptional activity before the appearance of visible signs of senescence, presumably preparing the leaf for degradation of its components
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