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- Eversberg, T, et al.
(författare)
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The William-Wehlau Spectropolarimeter: Observing hot stars in all four Stokes parameters
- 1998
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Ingår i: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC. - : ASTRONOMICAL SOC PACIFIC. - 0004-6280. ; 110:753, s. 1356-1369
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We introduce a new polarimeter unit, which, mounted at the Cassegrain focus of any telescope and fiber-connected to a fixed CCD spectrograph, is able to measure all Stokes parameters I, Q, U, and V across spectral Lines of bright stellar targets and other
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- Juszczak, Edmund, et al.
(författare)
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Introducing the CONsolidated Standards of Reporting Trials (CONSORT) statement for randomised controlled trials (RCTs) using cohorts and routinely collected health data
- 2019
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Ingår i: Trials. - : BMC. - 1745-6215. ; 20:Suppl. 1, s. 131-131
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: Randomised controlled trials (RCTs) are increasingly being conducted using existing sources of data, such as cohorts, administrative databases, disease registries and electronic health records. RCTs conducted using existing data sources require additional information to be reported. This reporting guideline is an extension of the 2010 version of the Consolidated Standards of Reporting Trials (CONSORT) Statement for RCTs using cohorts and routinely collected health data.Methods: A long-list of potential items for the checklist was identified through two methods: firstly, modifications to the current CONSORT checklist were generated using existing reporting guidelines, including the Reporting of Observational Studies in Epidemiology (STROBE) and REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statements. Secondly, ascoping review of RCTs conducted in the last decade using cohorts and routinely collected health data facilitated the modification and identification of other potential items. Using the long-list, a three-stage Delphi exercise was conducted to assess the importance of each item for inclusion in the final extension checklist, which was finalised at a face-to-face meeting of experts.Results: A long-list of 27 items was created and 125 experts registered for the three-round Delphi exercise (92, 77 and 62 experts participated in each round respectively). Consensus was reached on 21 out of 27 items. The results of the Delphi exercise informed a face-to-face consensus meeting in May 2019; core items to be included in the extension checklist were finalised at this meeting. Corresponding explanations of extensions and new items with examples of good reporting were developed subsequently.Conclusion: The guideline checklist can facilitate transparent reporting of RCTs using cohorts and routinely collected health data, to assist evaluations of rigour and reproducibility, enhance understanding of the methodology, and make the results more useful for clinicians, journal editors, reviewers, guideline authors, and funders.
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- KUIPER, P, et al.
(författare)
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ISOTROPIC O-1S PREPEAK AS EVIDENCE FOR POLARONS IN LA2NIO4+DELTA
- 1995
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Ingår i: PHYSICA B. - : ELSEVIER SCIENCE BV. - 0921-4526. ; 209:1-4, s. 271-272
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The oxygen 1s absorption spectrum of La2NiO4 is very anisotropic. The ligand field splitting of the Ni 3d(9) upper Hubbard band in x(2) - y(2) and 3z(2) - r(2) states is observed. Excess oxygen induces holes with primarily oxygen 2p character in this char
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- Kuiper, P, et al.
(författare)
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Polarization-dependent nickel 2p x-ray-absorption spectra of La2NiO4+delta
- 1998
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Ingår i: PHYSICAL REVIEW B-CONDENSED MATTER. - : AMERICAN PHYSICAL SOC. - 0163-1829. ; 57:3, s. 1552-1557
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We present polarization dependent x-ray-absorption spectra at nickel L edges of well-characterized La2NiO4+delta single crystals. In the stoichiometric compound the splitting between the x(2)-y(2) and the 3z(2)-r(2) orbitals is 0.7 eV, according to a fit
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