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1.
  • Nordling, J, et al. (author)
  • Primary evaluation of patients suspected of having interstitial cystitis (IC).
  • 2004
  • In: Eur Urol. - : Elsevier BV. ; 45:5, s. 662-669
  • Journal article (peer-reviewed)abstract
    • Article Outline 1. Introduction 1.1. History 1.2. Physical examination 1.3. Laboratory tests 1.4. Symptom evaluation 1.5. Urodynamics 1.5.1. Modified KCl test: comparative assessment of maximum bladder capacity 2. Cystoscopy 2.1. Technique 2.2. Inspection 3. Morphology 3.1. Biopsies 3.1.1. Number of biopsies 3.1.2. Biopsy handling 3.1.3. Mast cell counting 3.2. The pathology report References
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  • Janson, M S, et al. (author)
  • Diffusion of dopants and impurities in device structures of SiC, SiGe and Si
  • 2001
  • In: DIFFUSIONS IN MATERIALS. ; , s. 597-609
  • Conference paper (peer-reviewed)abstract
    • Silicon Carbide (SiC) has a high thermal stability and for most elements temperatures in excess of 2000 degreesC are anticipated to reach reasonable diffusivities (greater than or equal to 10(-13) cm(2)/s). We demonstrate, however, that light elements, like hydrogen and lithium, exhibit a considerable mobility already at less than or equal to 400 degreesC, Technologically, the principal interest in these light elements arises because of their ability to electrically passivate shallow acceptors and donors as well as deep level defects in common semiconductors (SiC, Si, GaAs). Indeed, for both hydrogen and lithium the diffusion kinetics is shown to be strongly affected by trapping and de-trapping at boron impurities in the SiC layers. Evidence is also provided that hydrogen migrates as a positively charged ion in p-type SiC. Furthermore, similar to that in crystalline silicon, transient enhanced diffusion of ion-implanted boron is observed in SiC. The initial boron diffusivity during postimplant annealing at 1600 degreesC is enhanced by more than two orders of magnitude compared to equilibrium conditions. For Silicon Germanium (SiGe) diffusion of the n-type dopants Sb and P is studied. Comparing results from strained and relaxed SiGe layers annealed under inert and oxidizing conditions it is unambiguously shown that the diffusion of Sb is almost exclusively mediated by vacancies. On the other hand, P diffusion is predominantly assisted by Si self-interstitials and in this case compositional and strain effects in the SiGe layers are competing.
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  • Andersson, Gerhard, et al. (author)
  • Förekomst av tinnitus i Sverige
  • 2002
  • In: Läkaresällskapets Rikstämma 27-29 november 2002. ; , s. 130-
  • Conference paper (peer-reviewed)
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  • Barthelmie, R., Larsen, G., Bergström, H., Magnusson, M., Schlez,W., Rados, K., Lange, B., Vølund, P., Neckelmann, S., Christensen, L., Schepers, G., Hegberg, T., Folkerts, L. (author)
  • ENDOW:Efficient Development of Offshore Windfarms.
  • 2002
  • In: Wind Engineering. ; 25:5, s. 263-270
  • Journal article (peer-reviewed)
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11.
  • Catani, F, et al. (author)
  • The stability of the cemented tibial component of total knee arthroplasty
  • 2004
  • In: Journal of Arthroplasty. - : Elsevier BV. - 0883-5403. ; 19:6, s. 775-782
  • Journal article (peer-reviewed)abstract
    • Micromotion of the tibial component in 40 knee arthroplasties for gonarthrosis was studied rising Roentgen stereophotogrammetric analysis. The stability of this component was assessed for 2 years' postoperatively. in all arthroplasties, an attempt was made to reconstruct the preoperative posterior slope. Posterior cruciate-retaining (CR) and posterior-stabilized (PS) components showed at 2 years a maximum total point motion of 0.6 +/- 0.4 mm and 0.7 +/- 0.5 mm, respectively. Whereas 92.5% of the implants were determined to be stable, 1 of the CR group and 2 of the PS group displayed migration between the first and the second year of at least 0.2 mm. A negative correlation between subsidence of the tibial component at 2 years of follow-up and the difference between preoperative and postoperative tibial slope was found. Consequently, we suggest that restoring the original posterior slope of the tibial plateau must be a goal of tibial component implantation.
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  • Dahlén, A, et al. (author)
  • Analysis of the distribution and frequency of trisomy 7 in vivo in synovia from patients with osteoarthritis and pigmented villonodular synovitis
  • 2001
  • In: Cancer Genetics and Cytogenetics. - 0165-4608. ; 131:1, s. 19-24
  • Journal article (peer-reviewed)abstract
    • Osteoarthritis (OA) and pigmented villonodular synovitis (PVNS) are disorders associated with trisomy 7. The aim of the present study was to determine the frequency and distribution of the cells with +7 in vivo by analyzing sections of paraffin-embedded synovia from patients affected by OA, PVNS, other forms of synovitis [hemorragic synovitis (HS) and chronic synovitis (CS)], and from individuals without joint disease. Fluorescence in situ hybridization (FISH), using a centromeric probe for chromosome 7, showed that the mean frequency of trisomic nuclei in 5-microm sections was highest in PVNS (9.0%), followed by CS (5.9%), OA (5.6%), and HS (4.6%), whereas trisomic nuclei were rare (0.7%) in normal tissue. When 8-microm sections were studied, the frequencies of trisomic cells in OA and control synovia increased to 6.7% and 1.5%, respectively. Trisomic nuclei were found in all cases, including those for which cytogenetic analysis of short-term cultures had not disclosed any trisomic cells. Overall, the trisomic cells were scattered within the tissue. However, small clusters of cells with +7 were found in three cases. By hematoxylin-eosin staining of the slides used for FISH analysis it could be shown that the clustered trisomic cells were proliferating synoviocytes within villous extensions of the synovial membrane.
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  • Hubberten, HW, et al. (author)
  • The periglacial climate and environment in northern Eurasia during the Last Glaciation
  • 2004
  • In: Quaternary Science Reviews. - : Elsevier BV. - 0277-3791. ; 23:11-13, s. 1333-1357
  • Research review (peer-reviewed)abstract
    • This paper summarizes the results of studies of the Late Weichselian periglacial environments carried out in key areas of northern Eurasia by several QUEEN teams (European Science Foundation (ESF) programme: "Quaternary Environment of the Eurasian North"). The palaeoglaciological boundary conditions are defined by geological data on timing and extent of the last glaciation obtained in the course of the EU funded project "Eurasian Ice Sheets". These data prove beyond any doubt, that with the exception of the northwestern fringe of the Taymyr Peninsula, the rest of the Eurasian mainland and Severnaya Zemlya were not affected by the Barents-Kara Sea fee Sheet during the Last Glacial Maximum (LGM). Inversed modelling based on these results shows that a progressive cooling which started around 30 ka BP, caused ice growth in Scandinavia and the northwestern areas of the Barents-Kara Sea shelf, due to a maritime climate with relatively high precipitation along the western flank of the developing ice sheets. In the rest of the Eurasian Arctic extremely low precipitation rates (less than 50 mm yr(-1)), did not allow ice sheet growth in spite of the very cold temperatures. Palaeoclimatic and palaeoenvironmental conditions for the time prior to, during, and after the LGM have been reconstructed for the non-glaciated areas around the LGM ice sheet with the use of faunal and vegetation records, permafrost, eolian sediments, alluvial deposits and other evidences. The changing environment, from interstadial conditions around 30 ka BP to a much colder and drier environment at the culmination of the LGM at 20-15 ka BP, and the beginning of warming around 15 ka BP have been elaborated from the field data, which fits well with the modelling results. (C) 2003 Elsevier Ltd. All rights reserved.
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19.
  • Malmström, Johan, et al. (author)
  • Transforming growth factor-beta 1 specifically induce proteins involved in the myofibroblast contractile apparatus
  • 2004
  • In: Molecular & Cellular Proteomics. - 1535-9484. ; 3:5, s. 466-477
  • Journal article (peer-reviewed)abstract
    • Transforming growth factor-beta(1) (TGF-beta(1)) induces alpha-smooth muscle actin (alpha-SMA) and collagen synthesis in fibroblast both in vivo and in vitro and plays a significant role in tissue repair and the development of fibrosis. During these processes the fibroblasts differentiate into activated fibroblasts (so called myofibroblasts), characterized by increased alpha-SMA expression. Because TGF-beta(1) is considered the main inducer of the myofibroblast phenotype and cytoskeletal changes accompany this differentiation, the main objective of this investigation was to study how TGF-beta(1) alters protein expression of cytoskeletal-associated proteins. Metabolic labeling of cell cultures by [(35)S]methionine, followed by protein separation on two-dimensional gel electrophoresis, displayed approximately 2500 proteins in the pI interval of 3-10. Treatment of TGF-beta(1) led to specific spot pattern changes that were identified by mass spectrometry and represent specific induction of several members of the contractile apparatus such as calgizzarin, cofilin, and profilin. These proteins have not previously been shown to be regulated by TGF-beta(1), and the functional role of these proteins is to participate in the depolymerization and stabilization of the microfilaments. These results show that TGF-beta(1) induces not only alpha-SMA but a whole set of actin-associated proteins that may contribute to the increased contractile properties of the myofibroblast. These proteins accompany the induced expression of alpha-SMA and may participate in the formation of stress fibers, cell contractility, and cell spreading characterizing the myofibroblasts phenotype.
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20.
  • Mammen, C B, et al. (author)
  • Design of a 5-station macromolecular crystallography beamline at MAX-Lab
  • 2002
  • In: Acta Physica Polonica. Series A: General Physics, Physics of Condensed Matter, Optics and Quantum Electronics, Atomic and Molecular Physics, Applied Physics. - 0587-4246. ; 101:5, s. 595-602
  • Journal article (peer-reviewed)abstract
    • A beamline for macromolecular crystallography is under construction at the Swedish synchrotron light source MAX-lab at Lund University in a collaborative effort between Denmark and Sweden. Of the 7 mrad horizontal wiggler fan emitted from the new superconducting multipole wiggler, the central 2 mrad will be used and split in three parts. The central 1 mrad will be used for a tunable station optimised for multi-wavelength anomalous diffraction experiments and on each side of the central fan there will be two fixed wavelength stations using different energies of the same part of the beam. These in total five stations can be used simultaneously and independently for collecting diffraction data.
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23.
  • Nylandsted Larsen, A., et al. (author)
  • Tin-vacancy acceptor levels in electron-irradiated n-type silicon
  • 2000
  • In: Physical Review B. Condensed Matter and Materials Physics. - 1098-0121 .- 1550-235X. ; 62:7, s. 4535-4544
  • Journal article (peer-reviewed)abstract
    • Si crystals (n-type, fz) with doping levels between 1.5×1014 and 2×1016 cm-3 containing in addition ∼1018 Sn/cm3 were irradiated with 2-MeV electrons to different doses and subsequently studied by deep level transient spectroscopy, Mössbauer spectroscopy, and positron annihilation. Two tin-vacancy (Sn-V) levels at Ec-0.214 eV and Ec-0.501 eV have been identified (Ec denotes the conduction band edge). Based on investigations of the temperature dependence of the electron-capture cross sections, the electric-field dependence of the electron emissivity, the anneal temperature, and the defect-introduction rate, it is concluded that these levels are the double and single acceptor levels, respectively, of the Sn-V pair. These conclusions are in agreement with electronic structure calculations carried out using a local spin-density functional theory, incorporating pseudopotentials to eliminate the core electrons, and applied to large H-terminated clusters. Thus, the Sn-V pair in Si has five different charge states corresponding to four levels in the band gap.
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24.
  • Papp, KA, et al. (author)
  • Early onset of action and efficacy of a combination of calcipotriene and betamethasone dipropionate in the treatment of psoriasis
  • 2003
  • In: Journal of American Academy of Dermatology. - : Elsevier BV. - 0190-9622. ; 48:1, s. 48-54
  • Journal article (peer-reviewed)abstract
    • Background: Calcipotriene and betamethasone dipropionate are topical treatments for psoriasis vulgaris. Their mode of action is different. Improved risk/benefit may result with concomitant use of the two compounds together. A new vehicle has been created with the objective of obtaining optimal stability of both calcipotriene and betamethasone dipropionate in the combination product. Objective. We compared the clinical efficacy of a fixed combination of calcipotriene and betamethasone clipropionate in a new vehicle to calcipotriene in the new vehicle, betamethasone in the new vehicle, and the new vehicle alone. Methods: This was an international, multicenter, prospective, randomized, double-blind, parallel-group, 4-week study in patients with psoriasis vulgaris amenable to topical treatment. Results. The mean percentage reduction in PASI from baseline to end of treatment was 73.2% in the combination group (n = 301), 48.8% in the calcipotriene group (n = 308), 63.1% in the betamethasone dipropionate group (n = 312) and 28.8% in the new vehicle group (n = 107), (P < .001). The mean percentage reduction in PASI during the first week was 48.1%, 28.4%, 41.4%, and 21.5%, respectively (P < .001). Conclusion: A combination product of calcipotriene 50 mug/g and betamethasone dipropionate 0.5 mg/g in the new vehicle shows superior efficacy with a more rapid onset of action than the new vehicle containing either constituent alone in the treatment of psoriasis vulgaris.
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25.
  • Pedersen, T.R., et al. (author)
  • Design and baseline characteristics of the Incremental Decrease in End Points through Aggressive Lipid Lowering study
  • 2004
  • In: American Journal of Cardiology. - : Elsevier BV. - 0002-9149 .- 1879-1913. ; 94:6, s. 720-724
  • Journal article (peer-reviewed)abstract
    • The Incremental Decrease in End Points through Aggressive Lipid Lowering (IDEAL) study is an investigator-initiated trial designed to determine whether additional clinical benefit might be gained through a strategy that decreases levels of low-density lipoprotein cholesterol levels better than those currently achieved with established statin therapy in patients who have coronary heart disease. IDEAL is a multicenter prospective, randomized, open-label, blinded, end point classification study. Patients who had myocardial infarction were randomized to prescription treatment with 80 mg/day of atorvastatin or 20 mg/day of simvastatin (the dose was increased to 40 mg/day at week 24 in those patients whose plasma total cholesterol remained >5.0 mmol/L, or 190 mg/dl, or whose low-density lipoprotein cholesterol remained >3.0 mmol/L, or 115 mg/dl). The primary clinical outcome variable is the time to initial occurrence of a major coronary event, which is defined as nonfatal acute myocardial infarction, coronary death, or resuscitated cardiac arrest. The study is designed to have a power of 90% to detect a relative decrease of 20% in the atorvastatin-group compared with the simvastatin-group in the number of major events caused by coronary heart disease over ~5.5 years. The 8,888 randomized patients had the following characteristics: mean age 61.7 ± 9.5 years, 19.1% women (mean age 64.0 ± 9.5 years), baseline total cholesterol 5.1 ± 1.0 mmol/L (197 mg/dl), low-density lipoprotein cholesterol 3.2 ± 0.9 mmol/L (124 mg/dl), and high-density lipoprotein cholesterol 1.2 ± 0.3 mmol/L (46 mg/dl). Drug treatment before randomization consisted of statins in 77% of patients, aspirin in 78.9%, ß blockers in 75.1%, and angiotensin-converting enzyme inhibitors in 30%. © 2004 by Excerpta Medica, Inc.
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26.
  • Petersén, Åsa, et al. (author)
  • Brain-derived neurotrophic factor inhibits apoptosis and dopamine-induced free radical production in striatal neurons but does not prevent cell death
  • 2001
  • In: Brain Research Bulletin. - 0361-9230. ; 56:3-4, s. 331-335
  • Journal article (peer-reviewed)abstract
    • In hereditary Huntington's disease, a triplet repeat disease, there is extensive loss of striatal neurons. It has been shown that brain-derived neurotrophic factor (BDNF) protects striatal neurons against a variety of insults. We confirmed that BDNF enhances survival and DARPP-32 expression in primary striatal cultures derived from postnatal mice. Furthermore, BDNF inhibited intracellular oxyradical stress triggered by dopamine, and partially blocked basal and dopamine-induced apoptosis. Nevertheless, BDNF failed to rescue striatal neurons from dopamine-induced cell death. Therefore, BDNF inhibits free radical and apoptotic pathways in medium spiny neurons, but does so downstream from the point of commitment to cell death.
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27.
  • Ramstein, B, et al. (author)
  • H-2(He-3, t)2p reaction at 2 GeV
  • 2003
  • In: European Physical Journal A. Hadrons and Nuclei. - : Springer Science and Business Media LLC. - 1434-6001. ; 16:4, s. 583-597
  • Journal article (peer-reviewed)abstract
    • The exclusive H-2 (He-3, t)2p reaction has been studied at 2 GeV for energy transfers up to 500 MeV and triton angles up to 3.4degrees. The protons were measured in the large acceptance magnetic detector DIOGENE, in coincidence with the forward tritons detected in a dedicated magnetic arm. The energy transfer spectra extend well above the pion threshold. However, in the region of Delta excitation, the yield is less than 10% of the inclusive H-2(He-3, t) cross-section, which indicates the small contribution of the DeltaN --> NN process. The angular distributions of the two protons in their center of mass have been analysed as a function of energy transfer and triton angle and a Legendre polynomial decomposition has been achieved. These data have been compared to a model based on a coupled-channel approach for describing the NN and NDelta systems.
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  • Roed-Larsen, S, et al. (author)
  • Accident investigation practices in Europe - main responses from a recent study of accidents in industry and transport
  • 2004
  • In: Journal of Hazardous Materials. - : Elsevier BV. - 0304-3894 .- 1873-3336. ; 111:1-3, s. 7-12
  • Journal article (peer-reviewed)abstract
    • Europe has during recent, years been shocked by disasters from natural events and technical breakdowns. The consequences have been comprehensive, measured by lost lives, injuries, and material and environmental damage. ESReDA wanted in 2000 - by setting up a special expert group on accident investigation - to clarify the state of art of accident investigation practices and to map the use of thoroughly accident investigation in order to learn lessons from past disasters and prevent new ones. The scope was to cover three sectors in the society: transport, production processes and storage of hazardous materials, and energy production. The main method used was a questionnaire, which was sent in 2001 to about 150 organisations. About 50 replies were analysed. The replies showed great variations but also similarities, among others in definition of accident and incident, the objectives of the investigation team, criteria used to start an investigation, the status of the investigation organisation, the flow of information, the composition of the investigation team, and the use of internal or international procedures or rules. Several methods (in total 14 different methods were mentioned) were used for carrying out accident/incident investigations. Most of the respondents were willing to co-operate in one or another way with ESReDA. Although there are important biases in the material, the results from questionnaire are important inputs to the future work of ESReDA Expert group in this field. 3 safety approaches have been identified.
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  • Samsioe, Göran, et al. (author)
  • Changes in lipid and lipoprotein profile in postmenopausal women receiving low-dose combinations of 17 beta-estradiol and norethisterone acetate
  • 2002
  • In: Menopause. - 1530-0374. ; 9:5, s. 335-342
  • Journal article (peer-reviewed)abstract
    • Objective: To evaluate the modification of lipid and lipoprotein by use of low doses of continuous-combined formulations of 17beta-estradiol (E-2) and norethisterone acetate (NETA) in healthy postmenopausal women. Design: The study was designed as a double-blind, randomized, placebo-controlled trial. A total of 120 healthy postmenopausal women were randomized to one of three treatment arms: (1) placebo group (n = 40); (2) E-2/NETA 0.25-mg group-subjects receiving oral continuous-combined E-2 1 mg and NETA 0.25 mg (n = 40); (3) E2/NETA 0.5-mg group-women who were treated with E-2 1 mg and NETA 0.5 mg (n = 40). The duration of study was 12 months. Plasma levels of total cholesterol, low-density lipoprotein (LDL), high-density lipoprotein (HDL), and very low-density lipoprotein (VLDL) cholesterol, triglycerides, lipoprotein(a), apolipoprotein A and apolipoprotein B were determined on four occasions (i.e., baseline, 3-, 6-, and 12-month visits). Results: There were no differences in the baseline characteristics among the three groups. A total of 102 women completed the study, resulting in a compliance rate of 85%. There was a significant reduction of total cholesterol, LDL cholesterol, and lipoprotein(a) in both combined groups when compared with placebo. The level of apolipoprotein B declined significantly only in the E-2/NETA 0.25-mg group. Decrements were observed within 3 months of treatment and maintained thereafter. No significant changes were found in triglycerides, VLDL cholesterol, HDL cholesterol, apolipoprotein A, and LDL/HDL ratio. Between the two active combined groups, no statistically significant differences were noted. Conclusion: Favorable changes in lipids and lipoproteins were associated with the low dose of E-2/NETA combinations. These effects may contribute to the reduction or prevention of atherogenesis in postmenopausal women.
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  • Svendsen, JI, et al. (author)
  • Late quaternary ice sheet history of northern Eurasia
  • 2004
  • In: Quaternary Science Reviews. - : Elsevier BV. - 0277-3791. ; 23:11-13, s. 1229-1271
  • Research review (peer-reviewed)abstract
    • The maximum limits of the Eurasian ice sheets during four glaciations have been reconstructed: (1) the Late Saalian (> 140 ka), (2) the Early Weichselian (100-80 ka), (3) the Middle Weichselian (60-50 ka) and (4) the Late Weichselian (25-15 ka). The reconstructed ice limits are based on satellite data and aerial photographs combined with geological field investigations in Russia and Siberia, and with marine seismic- and sediment core data. The Barents-Kara Ice Sheet got progressively smaller during each glaciation, whereas the dimensions of the Scandinavian Ice Sheet increased. During the last Ice Age the Barents-Kara Ice Sheet attained its maximum size as early as 90-80,000 years ago when the ice front reached far onto the continent. A regrowth of the ice sheets occurred during the early Middle Weichselian, culminating about 60-50,000 years ago. During the Late Weichselian the Barents-Kara Ice Sheet did not reach the mainland east of the Kanin Peninsula, with the exception of the NW fringe of Taimyr. A numerical ice-sheet model, forced by global sea level and solar changes, was run through the full Weichselian glacial cycle. The modeling results are roughly compatible with the geological record of ice growth, but the model underpredicts the glaciations in the Eurasian Arctic during the Early and Middle Weichselian. One reason for this is that the climate in the Eurasian Arctic was not as dry then as during the Late Weichselian glacial maximum.
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  • Thuvander, A., et al. (author)
  • Levels of ochratoxin A in blood from Norwegian and Swedish blood donors and their possible correlation with food consumption
  • 2001
  • In: Food and Chemical Toxicology. - 0278-6915 .- 1873-6351. ; 39:12, s. 1145-1151
  • Journal article (peer-reviewed)abstract
    • Blood levels of ochratoxin A were determined in 406 Scandinavian blood donors (206 from Oslo, Norway, and 200 from Visby on the island of Gotland, Sweden), using an HPLC method. In connection with the blood collection, the subjects were asked to fill in a food questionnaire to obtain individual dietary information relevant to ochratoxin A exposure. The mean plasma level of ochratoxin A was 0.18 ng/ml in Oslo and slightly higher, 0.21 ng/ml (P = 0.046) in Visby. There was no correlation between plasma levels of ochratoxin A and the estimated total dietary intake of ochratoxin A based on consumption data and levels in food (retrieved from the literature), neither was the plasma level of ochratoxin A correlated with the total amount of food consumed. However, consumption of several foods, including cereal products, wine, beer and pork, were to some minor degree related to high plasma levels of ochratoxin A. The strongest correlations (correlation coefficient r >0.4; P <0.001) were observed for women in relation to the consumption of beer or medium brown bread. Correlation analysis of combinations of two or more food categories did not result in any statistically significant correlation.
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  • Ursby, Thomas, et al. (author)
  • The new macromolecular crystallography stations at MAX-lab: The MAD station
  • 2004
  • In: AIP Conference Proceedings. - 0094-243X .- 1551-7616. ; 705, s. 1241-1244
  • Conference paper (peer-reviewed)abstract
    • A new beamline, Cassiopeia, at MAX II is about to come into operation. It consists of an energy-tunable station and four side stations intended for macromolecular crystallography. The X-ray source is a 3.5 T superconducting multipole wiggler installed in the 1.5 GeV MAX II storage ring. The energy-tunable station use grazing incidence Rh-coated silicon mirrors and an internally water-cooled Si(111) double-crystal monochromator while the four side stations use bent diamond and germanium monochromators and multilayer mirrors. This paper concentrates on the optics design of the energy-tunable station and also briefly describes other beamline components
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