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- 2019
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Tidskriftsartikel (refereegranskat)
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| 2. |
- Kanai, M, et al.
(författare)
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- 2023
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swepub:Mat__t
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| 3. |
- Ao, Y., et al.
(författare)
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Deep Submillimeter and Radio Observations in the SSA22 Field. I. Powering Sources and the Ly alpha Escape Fraction of Ly alpha Blobs
- 2017
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Ingår i: Astrophysical Journal. - : American Astronomical Society. - 0004-637X .- 1538-4357. ; 850:2
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Tidskriftsartikel (refereegranskat)abstract
- We study the heating mechanisms and Ly alpha escape fractions of 35 Ly alpha blobs (LABs) at z approximate to 3.1 in the SSA22 field. Dust continuum sources have been identified in 11 of the 35 LABs, all with star formation rates (SFRs) above 100M(circle dot) yr(-1). Likely radio counterparts are detected in 9 out of 29 investigated LABs. The detection of submillimeter dust emission is more linked to the physical size of the Ly alpha emission than to the Ly alpha luminosities of the LABs. A radio excess in the submillimeter/ radio-detected LABs is common, hinting at the presence of active galactic nuclei. Most radio sources without X-ray counterparts are located at the centers of the LABs. However, all X-ray counterparts avoid the central regions. This may be explained by absorption due to exceptionally large column densities along the line-of-sight or by LAB morphologies, which are highly orientation dependent. The median Lya escape fraction is about 3% among the submillimeter-detected LABs, which is lower than a lower limit of 11% for the submillimeter-undetected LABs. We suspect that the large difference is due to the high dust attenuation supported by the large SFRs, the dense large-scale environment as well as large uncertainties in the extinction corrections required to apply when interpreting optical data.
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| 4. |
- Draper, Catherine E., et al.
(författare)
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Developing Intervention Strategies to Optimise Body Composition in Early Childhood in South Africa
- 2017
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Ingår i: BioMed Research International. - : HINDAWI LTD. - 2314-6133 .- 2314-6141.
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Tidskriftsartikel (refereegranskat)abstract
- Purpose. The purpose of this research was to collect data to inform intervention strategies to optimise body composition in South African preschool children. Methods. Data were collected in urban and rural settings. Weight status, physical activity, and gross motor skill assessmentswere conducted with 341 3-6-year-old children, and 55 teachers and parents/caregivers participated in focus groups. Results. Overweight and obesity were a concern in low-income urban settings (14%), but levels of physical activity and gross motor skills were adequate across all settings. Focus group findings from urban and rural settings indicated that teachers would welcome input on leading activities to promote physical activity and gross motor skill development. Teachers and parents/caregivers were also positive about young children being physically active. Recommendations for potential intervention strategies include a teacher-training component, parent/child activitymornings, and a home-based component for parents/caregivers. Conclusion. The findings suggest that an intervention focussed on increasing physical activity and improving gross motor skills per se is largely not required but that contextually relevant physical activity and gross motor skills may still be useful for promoting healthy weight and a vehicle for engaging with teachers and parents/caregivers for promoting other child outcomes, such as cognitive development.
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| 5. |
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| 6. |
- Kaiserfeld, Thomas, et al.
(författare)
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Inledning
- 2017
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Ingår i: Idé- och lärdomshistoria i Lund 50 år. - 1102-4313. ; 18, s. 5-7
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 7. |
- Norris, Matthew
(författare)
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A Pilgrimage to the Past : Johannes Bureus and the Rise of Swedish Antiquarian Scholarship, 1600-1650
- 2016
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- At the end of the eighteenth century, Edward Gibbon described the antiquarian scholars of previous generations as men of “profound learning and easy faith.” His exemplar was the Swedish polymath Olof Rudbeck, who in a series of frantic and combative tomes sought to portray Sweden as the model for Plato’s Atlantis and the seething cultural cauldron from which Western civilization had emerged. A Pilgrimage to the Past takes a century-wide step back and investigates the wellspring of a number of Rudbeck’s ideas and methods in the scholarly milieu surrounding Johannes Bureus (1568–1652), archivist, alchemist, self-proclaimed herald of the Apocalypse, and Sweden’s first antiquarius regni. The book follows Bureus and his contemporaries on a whirlwind scholarly expedition traversing through thrilling new discoveries and debilitating dead-ends, set against the backdrop of a world in which the vision of antiquity served as a virtual battleground on which the spiritual and intellectual convictions of a divided and gradually transforming Europe came to blows. In the process, it reminds us that the past has always been both a challengingly foreign and deceptively familiar place. Chapter One serves as a general introduction to Bureus and early modern antiquarianism. Chapter Two begins with an overview of Bureus’ early life and education, and proceeds to chart his lifelong engagement with astronomical, astrological, and cosmological questions, introducing a number of the key components of his thought, and showing how his antiquarian pursuits were firmly embedded in a complex web of broader scientific, philosophical, and spiritual concerns. It then turns to a discussion of his early encounter with the runes and his exploratory documentation of the domestic cultural landscape. Chapter Three explores the challenges attached to the recovery of ancient barbarian culture in the midst of an ongoing Renaissance of classical antiquity, and through a series of case studies, details the ways in which hypothetical reconstruction based on comparative analysis and the creative interpretation of visual and material evidence were methods used to accomplish that goal. Here Bureus’ motives, methods, and conclusions are compared with those of his friend and antiquarian colleague Johannes Messenius (c. 1579–1636). Chapter Four focuses on Bureus’ view of the history of language and writing, and traces the ways in which the project to retrieve and restore ancient Swedish culture fell into conflict with contemporary patriotically-oriented projects waged by Danish and German scholars. The fifth chapter broadens the scope of its predecessor and focuses on Bureus’ enduring quest to understand the place of the language and writing system of his ancestors in relation to the languages and scripts of the ancient Orient. A short epilogue pulls back in order to view the phenomenon of early seventeenth-century Swedish antiquarianism from the vantage point of the longue durée.
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