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Leibniz Institute for Science and Mathematics Education, Kiel

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  • 1
    Book
    Book
    Cambridge : : Cambridge University Press | Stuttgart : : Klett
    Type of Medium: Book
    Pages: 173 Seiten
    Edition: Second edition
    ISBN: 9783125353350 , 978-3-12-535335-0 , 9781107591660
    Language: German
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  • 2
    Keywords: Kommunikation ; Fremdsprachenunterricht ; Diskurs
    Type of Medium: Book
    Pages: XV, 230 S.
    ISBN: 0-582-08424-5
    Language: English
    Note: Literaturangaben
    FIS Link: 381461
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  • 3
    Keywords: Didaktische Grundlageninformation ; Gesprochene Sprache ; Grammatikunterricht ; Induktive Grammatik ; Kommunikative Kompetenz ; Fremdsprachenunterricht ; Englisch
    In: ELT journal, Bd. 49 (1995) H. 3, S. 207-218, 0307-8337
    In: 0951-0893
    Description / Table of Contents: Grammatikuebungen im Englischunterricht basieren in der Regel auf schriftlichen Beispielen und einem praeskriptiven Ansatz zur Vermittlung von "korrektem" Englisch. Um Lernern jedoch die Moeglichkeit zu geben, adaequat in schriftlichen wie auch muendlichen Situationen zu kommunizieren, braucht er die Kompetenz der Auswahl zwischen geschriebenen und gesprochenen grammatischen Strukturen. Der Beitrag hebt die Wichtigkeit interpersonaler und interaktiver Implikationen in direkter dialogischer Kommunikation hervor, die auf induktivem Wege besser zu erlernen sind als durch die traditionelle Methode der Praesentation, Uebung und Produktion, wie sie in den meisten Grammatikbuechern angewendet wird. Anhand des Nottingham Corpus, der fuer Studienzwecke der gesprochenen Grammatik erstellt wurde, geben die Autoren Implikationen fuer den Unterricht in Form von textbasierten Aktivitaeten.
    Type of Medium: Article
    ISSN: 0307-8337 , 0951-0893
    Language: English
    Note: Anmerkungen , Literaturangaben
    FIS Link: 308940
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  • 4
    Book
    Book
    Oxford : Oxford Univ. Pr.
    Keywords: Lehrerausbildung ; Didaktische Grundlageninformation ; Lehrerhandbuch ; Lehrmaterial ; Lexik ; Wortschatz ; Vokabellernen ; Englischunterricht ; Wörterbuch
    Description / Table of Contents: Das Buch richtet sich an in der Ausbildung stehende sowie auch praktizierende Englischlehrer. Es beleuchtet Probleme der englischen Lexik, gibt Anregungen zur unterrichtlichen Wortschatzvermittlung, entwickelt Lernstrategien und analysiert Lehrmaterialien zur Vokabelarbeit sowie lexikalische Nachschlagewerke. (IFS).
    Type of Medium: Book
    Pages: X, 173 S.
    ISBN: 0-19-437136-0
    Series Statement: Language Teaching. A Scheme for Teacher Education
    Language: English
    Note: Literaturangaben , Glossar , Tabellen
    FIS Link: 414572
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  • 5
    Publication Date: 2018-05-05
    Description: Journal of the American Chemical Society DOI: 10.1021/jacs.8b02461
    Print ISSN: 0002-7863
    Electronic ISSN: 1520-5126
    Topics: Chemistry and Pharmacology
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  • 6
    Electronic Resource
    Electronic Resource
    Melbourne, Australia : Blackwell Science Pty
    Austral ecology 25 (2000), S. 0 
    ISSN: 1442-9993
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Testing ecological models for management is an increasingly important part of the maturation of ecology as an applied science. Consequently, we need to work at applying fair tests of models with adequate data. We demonstrate that a recent test of a discrete time, stochastic model was biased towards falsifying the predictions. If the model was a perfect description of reality, the test falsified the predictions 84% of the time. We introduce an alternative testing procedure for stochastic models, and show that it falsifies the predictions only 5% of the time when the model is a perfect description of reality. The example is used as a point of departure to discuss some of the philosophical aspects of model testing.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 62 (1987), S. 3665-3670 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report the results of a phosphorus-31 and silicon-29 nuclear magnetic resonance spectroscopy study. Amorphous silicon thin films were deposited by plasma-enhanced chemical vapor deposition with one percent phosphine in silane. The films were subsequently annealed at 700 and 800 °C to produce a fine-grained polycrystalline material with the majority of phosphorus atoms segregated at grain boundaries. The chemical shift of the phosphorus spectra indicates that the phosphorus nuclei are fourfold coordinated at the grain boundaries. Results of spin-echo experiments show that phosphorus atoms segregated to grain boundaries reside in at least three regions of differing phosphorus density. Silicon-29 data show a large dispersion of chemical shifts characteristic of disordered materials.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 7237-7244 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The application of magnetic rotation spectroscopy (MRS) to the electronic spectra of gas phase NiH and CeF is examined. Experimental results for both MRS and laser excitation spectroscopy are presented for the NiH B 2Δ5/2–X 2Δ5/2 (1,0) and 2Φ7/2–X 2Δ5/2 (0,0) bands. A comparison between these two techniques clearly illustrates the ability of MRS to simplify and presort spectra. The power of MRS originates from its specificity for low-J, ΔΩ=ΔJ transitions and its ability, based on the sign and magnitude of the MRS effect, to partially presort rotational branches. A simple theoretical explanation of the MRS results, based on the structure of the underlying Zeeman pattern, is presented. Also, the extension of MRS to the more complicated and congested spectrum of CeF is presented. Using MRS, a previously unassigned CeF band, near 568 nm, has been definitively assigned as Ω'=4.5←Ω‘=3.5.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Several variants of the one-laser, two-color technique of sideband optical–optical double resonance Zeeman (SOODRZ) spectroscopy, which enables Zeeman and hyperfine splittings to be measured at sub-Doppler resolution, are described; a detailed theory of the line shape and signal-to-noise ratio for each variant is also presented. In the single-frequency variant of SOODRZ spectroscopy, radio frequency sidebands are imposed onto a single-frequency continuous wave laser beam to determine energy splittings between pairs of closely spaced levels. Each pair of closely spaced levels is coupled to a third isolated level by optical transitions and is tuned into resonance by the Zeeman effect. A theoretical treatment of the SOODRZ effect is presented here. It is shown that both the real and imaginary contributions to the complex third-order optical susceptibility tensor χ(3) can be observed and that the SOODRZ signal originates from a cross term between the amplitude of the unperturbed frequency-modulated beam of the laser and the nonlinear signal amplitude Re{EL*⋅ENL}. The SOODRZ signal is directly proportional to ΔNμ4MI20 (where M is the modulation index), rather than (ΔN)2, μ8, and I30 as in degenerate four-wave mixing and other nonlinear spectroscopies, which means the detection sensitivity of SOODRZ spectroscopy is considerably higher for low laser intensities and at lower number densities.Moreover, the linewidth of the sub-Doppler feature is independent of the both the Doppler width of the optical transition and the natural width of the common linked level and, hence, is immune from the effects such as upper state predissociation. Two different types of modulators, acousto-optic and electro-optic, can be used in the single-frequency variant of SOODRZ spectroscopy. The unique features of SOODRZ schemes incorporating both types of modulators are described. SOODRZ spectroscopy can also be performed with a multimode broadband laser, where the adjacent cavity modes serve the same function as the sidebands in the single-frequency version. Examples of such multimode SOODRZ spectra will be presented as well. The effect of different detection schemes (i.e., nearly crossed polarizers and/or coherent detection), laser frequency detuning relative to the center of the absorption line, and ac magnetic field modulation conditions on the intensity, phase, and functional form of the sub-Doppler double resonance line shape will be discussed here. The simplest possible form of the SOODRZ line shape is a second derivative of a Lorentzian. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 100 (1994), S. 6347-6358 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The technique of frequency-modulation enhanced magnetic rotation spectroscopy (FM-MRS) is applied here to the study of the electronic spectra of gas-phase transition metal hydrides and deuterides. Experimental FM-MR results for several bands of PdH, PdD, NiH, and CuH are presented. In the case of PdH, an Ω=0.5–XΩ=0.5 band at 4371 A(ring) has been observed and assigned. Prior to this work, although several bands of PdD had been reported previously, no electronic transitions of PdH had been assigned. All of the PdH, PdD, and NiH bands studied in the 4200–4600 A(ring) wavelength region are strongly predissociated, and in the case of PdH and PdD, strongly and multiply perturbed as well.
    Type of Medium: Electronic Resource
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