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  • 1
    Electronic Resource
    Electronic Resource
    Role of the Bering Strait in controlling North Atlantic ocean circulation and climate (1994)
    [s.l.] : Nature Publishing Group
    Nature 367 (1994), S. 354-357 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Bering Strait between Alaska and Siberia forms a short, but constricted, passage for flow between the North Pacific and North Atlantic oceans. At present, northward flow through this 85-km-wide and 50-m-deep strait carries fresh North Pacific surface water of 32.5 parts per ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/367354a0
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  • 2
    Electronic Resource
    Electronic Resource
    A Raman instrument for rotation-vibrational spectra using laser excitation (1973)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 1 (1973), S. 97-107 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A description is given of an instrument designed for the registration of rotation-vibrational Raman spectra. The gas sample cell has a volume of 20 ml and forms one end of the cavity of an argon-ion laser. The laser beam is focused to a diameter of 50 μ inside the cell. The scattered light passes a double premonochromator and is registered photographically in a grating spectrograph.The resolution obtained is about 0.3 cm-1, determined by the pressure broadening in the sample. The detectability for weak lines is high, as demonstrated by the observation of previously unobserved vibrational bands.The instrument may also be used for pure rotational Raman spectra, primarily for weak scatterers. A pure rotational spectrum of CO2 is obtained in an exposure of ½ min.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250010109
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  • 3
    Electronic Resource
    Electronic Resource
    Frequency calibration in high-resolution Raman spectroscopy (1975)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 3 (1975), S. 207-216 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A technique is described for the frequency calibration of high-resolution Raman spectra recorded on photographic plates. The frequencies of the Th calibration spectrum are fitted to a calibration polynomial in the observed positions, and the coefficients of this polynomial are determined as functions of the grating angle. For a given calibration the polynomial coefficients are constrained to the values of these functions. In this way the information from all previous calibration spectra is used to improve the accuracy of the calibration of any single exposure. Further, a valuable check is obtained on the overall experimental procedure by requiring the polynomial coefficients to be smooth functions of the grating angle.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250030210
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  • 4
    Electronic Resource
    Electronic Resource
    Raman spectrum of the ν2 band of H14N3 (1980)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 9 (1980), S. 162-165 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The rotational-vibrational Raman Spectrum of the v2 band of H14N3 has been measured. The results of the analysis of the observed wavenumbers are v0 = 2140.308(4) cm-1, ΔB = -0.00312(1) cm-1 and ΔDj = -7(5)×10-9 cm-1. The Q-branches of the hot band transitions v5→v2+v5 and v6→v2+v6 have been determined to be at 2129.3(1) cm-1.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250090307
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  • 5
    Electronic Resource
    Electronic Resource
    The ν11 rotation-vibrational Raman band of allene (1974)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 2 (1974), S. 31-52 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The rotation-vibrational Raman spectrum of the v11 fundamental band of allene has been recorded. The spectrum consists of a series of Q-branches and partly resolved J-structure in the subbands. The Q-branches in one component of the hot band 2v11-v11 have been identified. the following constants have been obtained: v0 = 352.73 ± 0.05 cm-1, A0 = 4.811 ± 0.003 cm-1, ζ11 = 0.816 ± ± 0.001, ΔA = -0.0129 ± 0.0003 cm-1, ΔB = (4.7 ± 0.6) × 10-4 cm-1 and DK = (2.4 ± 0.1) × 10-4 cm-1. An l-type doubling is observed and the l-type doubling constant q11(-) is estimated as -(2.7 ± ± 0.8) × 10-4 cm-1. The analysis of the Raman spectrum shows that the assignment of the Q-branch maxima in the infrared spectrum of v11 [4, 5] has to be changed by two units.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250020104
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  • 6
    Electronic Resource
    Electronic Resource
    The rotational and rotation-vibrational Raman spectra of 14N2, 14N15N and 15N2 (1974)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 2 (1974), S. 133-145 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The pure rotational and rotation-vibrational Raman spectra of 14N2, 14N15N and 15N2 have been photographed using a previously described instrument. The analyses of the bands yield for each molecule v0, B0, B1-B0 and D. From the values of B0 and B0-B1 the internuclear distances re are calculated independently for each species. Within the experimental accuracy the distances are identical as required by the Born-Oppenheimer approximation. The mean value for re is 1.097701 ± ± 0.000004 Å.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250020204
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  • 7
    Electronic Resource
    Electronic Resource
    A computer-controlled photometer for measuring Raman spectra recorded on photographic plates (1977)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 6 (1977), S. 67-73 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The construction and the operation of a photometer for measuring photographic plates is described. It works fully automatically, controlled by a computer, assigns the comparison spectrum and delivers a microphotometer trace on a linear frequency scale. All the information present on the photographic plate is extracted without the addition of noise to the data. The precision in the determination of the line positions is 0.4 μm.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250060204
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  • 8
    Electronic Resource
    Electronic Resource
    Raman and infrared rotation-vibration spectra of the ν1 Band of D14N3 (1984)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 15 (1984), S. 113-119 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The rotational structure of the ν1 band of D14N3 in the wavenumber region 2200-2600 cm-1 has been measured by means of Raman spectroscopy with a resolution of 0.3 cm-1. Both components of the hybrid band were observed. In addition, an infrared spectrum of the same wavenumber region was recorded with a resolution of 0.07 cm-1. In the infrared experiment mainly the parallel component was observed. The molecular parameters determined from the observed wavenumbers in the Raman spectrum are (ν0)1=2478.32 (1) cm-1, A1 = -11.096 (1) cm-1,½(B1 + C1)=0.37187 (4) cm-1, (DK)1 = 2.85 (2) × 10-3cm-1 and (HK)0 = 2.7 (4) × 10-6 cm-1. From the infrared spectrum the following values were obtained: (ν0)1 = 2478.451 (3) cm-1, A1 = 11.0902 (4) cm-1, B1 = 0.378186 (9) cm-1, C1 = 0.365032 (9) cm-1, (DK)1 = 2.69 (2) × 10-3 cm-1 in addition to values for (D1)1 and (DJK)1. The discrepancy between the values for (ν0)1 obtained from the two experiments is mainly due to uncertainties in the absolute calibration and to differences in the intensity distributions of the unresolved Q-branch lines in the two types of experiments.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250150209
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  • 9
    Electronic Resource
    Electronic Resource
    The rotational and rotation-vibrational Raman spectra of HCN and DCN (1974)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 2 (1974), S. 407-421 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The pure rotational and rotation-vibrational Raman spectra of HCN and DCN have been photographed using a previously described instrument [7]. The molecular constants derived for HCN are in excellent agreement with those obtained from microwave and infrared spectroscopy. Especially, the measurements of the v1 rotation-vibrational Raman band have confirmed the hitherto indirectly obtained values for the molecular constants of the v1 vibrational state of HCN.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250020412
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  • 10
    Electronic Resource
    Electronic Resource
    Pure rotational Raman spectra of hydrazoic acid HN3 and DN3 (1977)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 6 (1977), S. 306-313 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The pure rotational Raman spectra of HN3 and DN3 have been photographed in the spectral range -100 cm-1 to 470 cm-1. The very intense ΔK = O transitions, QRK(J) and QSK(J), and the weak asymmetry-allowed ΔK = 1 and 2 transitions, RQK, SQK, RSK (J) and SSK(J), were observed and measured. The analyses of the spectra with ΔK ≠ 0 primarily yield information on the K-dependent parameters of the molecules. For HN3 the following constants have been determined: A = 20.3815(25) cm-1; DK = 8.706(92) × 10-3; HK = 7.38(93) × 10-6 cm-1. For DN3 the results are A = 1.4916(24)cm-1; DK = 2.931(36) × 10-3 cm-1; HK = 2.00(32) × 10-6cm-1.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250060609
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