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| 2. |
- Beckman, Jenny, et al.
(författare)
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Inledning
- 2008
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Ingår i: Vetenskapens sociala strukturer: Sju historiska fallstudier om konflikt, samverkan och makt. - 9789185509119 ; , s. 9-25
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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| 3. |
- Bengtsson, Hans, et al.
(författare)
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V2331 Cygni is an Algol Variable With Deep Eclipses
- 2013
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Ingår i: The Journal of the American Association of Variable Star Observers. - 2380-3606. ; 41:2, s. 264-266
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Tidskriftsartikel (refereegranskat)abstract
- We report the discovery that V2331 Cygni is not an L star but an eclipsing variable with deep minima, and present a determination of the elements of the star: Epoch = HJD 2456184.296 ±0.001 and Period = 1.3886 ± 0.0001 days.
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| 6. |
- Eriksson, Jonnie, et al.
(författare)
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Ordet/odjuret: teriantropomorfism hos Giorgio Agamben
- 2010
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Ingår i: Djurens idéhistoria. - Nora : Bokförlaget Nya Doxa. - 9789157805607 - 9157805601 ; , s. 81-105
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Bokkapitel (refereegranskat)abstract
- Den italienske filosofen Giorgio Agamben (f. 1942) reflekterar i sin L'aperto (2002) över människans försök att skilja sig från djuren, att skilja det mänskliga från det djuriska även inom människan. I denna studie placerar jag in denna bok dels i Agambens övergripande biopolitiska projekt, Homo sacer, dels in den filosofiska strömning som kallas posthumanism. Syftet är att analysera distinktionen mellan tre grekiska begrepp för former av liv – bios, zoê och thêrion – som problematiseras genom dessa texter, då de sammanförs i bilden av djur–människa-hybrider inom biblisk apokalyptik. Vilket ord kan benämna en sådan livsform och vilken är dess status i mänsklighetens historia?
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| 7. |
- Gerdtsson, Axel, et al.
(författare)
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Validation of a prediction model for post-chemotherapy fibrosis in nonseminoma patients
- 2023
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Ingår i: Bju International. - 1464-4096 .- 1464-410X. ; 132:3, s. 329-336
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Tidskriftsartikel (refereegranskat)abstract
- Objective To validate Vergouwe's prediction model using the Swedish and Norwegian Testicular Cancer Group (SWENOTECA) RETROP database and to define its clinical utility. Materials and methods Vergouwe's prediction model for benign histopathology in post-chemotherapy retroperitoneal lymph node dissection (PCRPLND) uses the following variables: presence of teratoma in orchiectomy specimen; pre-chemotherapy level of alphafetoprotein; b-Human chorionic gonadotropin and lactate dehydrogenase; and lymph node size pre- and postchemotherapy. Our validation cohort consisted of patients included in RETROP, a prospective population-based database of patients in Sweden and Norway with metastatic nonseminoma, who underwent PC-RPLND in the period 2007-2014. Discrimination and calibration analyses were used to validate Vergouwe's prediction model results. Calibration plots were created and a Hosmer-Lemeshow test was calculated. Clinical utility, expressed as opt-out net benefit (NBopt-out), was analysed using decision curve analysis. Results Overall, 284 patients were included in the analysis, of whom 130 (46%) had benign histology after PC-RPLND. Discrimination analysis showed good reproducibility, with an area under the receiver-operating characteristic curve (AUC) of 0.82 (95% confidence interval 0.77-0.87) compared to Vergouwe's prediction model (AUC between 0.77 and 0.84). Calibration was acceptable with no recalibration. Using a prediction threshold of 70% for benign histopathology, NBopt-out was 0.098. Using the model and this threshold, 61 patients would have been spared surgery. However, only 51 of 61 were correctly classified as benign. Conclusions The model was externally validated with good reproducibility. In a clinical setting, the model may identify patients with a high chance of benign histopathology, thereby sparing patients of surgery. However, meticulous follow-up is required.
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| 8. |
- Hertz, Hans M., et al.
(författare)
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Laboratory x-ray micro imaging : Sources, optics, systems and applications
- 2009
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Ingår i: Journal of Physics, Conference Series. - : IOP Publishing. - 1742-6588 .- 1742-6596. ; 186
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Tidskriftsartikel (refereegranskat)abstract
- We summarize the recent progress in laboratory-scale soft and hard x-ray micro imaging in Stockholm. Our soft x-ray work is based on liquid-jet laser-plasma sources which are combined with diffractive and multilayer optics to form laboratory x-ray microscopes. In the hard x-ray regime the imaging is based on a liquid-metal-jet electron-impact source which provides the necessary coherence to allow phase-contrast imaging with high fidelity.
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| 9. |
- Hindér, Gustav, et al.
(författare)
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On Ski–Snow Contact Mechanics During the Double Poling Cycle in Cross-Country Skiing
- 2024
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Ingår i: Tribology letters. - : Springer. - 1023-8883 .- 1573-2711. ; 72:2
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Tidskriftsartikel (refereegranskat)abstract
- Of the medals awarded during the Winter Olympics Games, most are awarded for sports involving cross-country (XC) skiing. The Double Poling (DP) technique, which is one of the sub-techniques used most frequently in XC skiing, has not yet been studied using simulations of the ski–snow contact mechanics. This work introduces a novel method for analysing how changes in the distribution of pressure on the sole of the foot (Plantar Pressure Distribution or PPD) during the DP motion affect the contact between the ski and the snow. The PPD recorded as the athlete performed DP, along with an Artificial Neural Network trained to predict the geometry of the ski (ski-camber profile), were used as input data for a solver based on the boundary element method, which models the interaction between the ski and the snow. This solver provides insights into how the area of contact and the distribution of pressure on the ski-snow interface change over time. The results reveal that variations in PPD, the type of ski, and the stiffness of the snow all have a significant impact on the contact between the ski and the snow. This information can be used to improve the Double Poling technique and make better choices of skis for specific snow conditions, ultimately leading to improved performance.
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