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Showing 1 to 12 of 12 for “"Ultraviolet spectra"”.

  1. PLUMAGE CHARACTERISTICS OF THE LONG-EARED OWL (Asio otus) IN THE VISIBLE AND ULTRAVIOLET SPECTRA OF LIGHT

    … on the abilities of birds to see in the ultraviolet (UV) spectrum has led to study of the UV-reactive characteristics of bird plumage and the biological significance of such plumage. Long-eared owls (Asio otus) possess a demonstrative capability to see UV light, and their plumage contains …

    nmu Repository record for PLUMAGE CHARACTERISTICS OF THE LONG-EARED OWL (Asio otus) IN THE VISIBLE AND ULTRAVIOLET SPECTRA OF LIGHT (opens in a new tab)

  2. The synthesis of 10-(4-hydroxymethylphenyl)-1,2-Benzanthracene

    … The structure or the alcohol was proven by: (1) Ultraviolet spectra (2) Infrared spectra (3) Elementary analysis (4) Preparation or the benzoate B. The preparation of the Grignard reagent of 10-(4’-bromophenyl)-1,2-benzanthracene was unsuccessful. An explanation of this anomaly was not …

    vt Repository record for The synthesis of 10-(4-hydroxymethylphenyl)-1,2-Benzanthracene (opens in a new tab)

  3. Steroid 2,4-Dinitrophenylhydrazones: their preparation, separation, and characterization

    … four well defined groups on the basis of their ultraviolet spectra and that this classification could be correlated with the structures of the DNPH's. Within each group the compounds were similar to each other with respect to their melting points, color, solubilities and infrared spectra as well …

    bu Repository record for Steroid 2,4-Dinitrophenylhydrazones: their preparation, separation, and characterization (opens in a new tab)

  4. Cubic phase gallium nitride photonics integrated on silicon(100) for next-generation solid state lighting

    … direct bandgap across the entire visible and ultraviolet spectra. Despite its success, the conventional hexagonal-phase GaN has fundamental disadvantages in performance and cost that hinder market adoption. These include: internal polarization field ( MV/cm2), high acceptor activation energy …

    uiuc Repository record for Cubic phase gallium nitride photonics integrated on silicon(100) for next-generation solid state lighting (opens in a new tab)

  5. A study of the absorption characteristics of gaseous galaxy halos in the local Universe

    … In the first part of the thesis we use HST /STIS ultraviolet spectra of more than 40 extragalactic background sources to statistically analyze the absorption properties of the HVCs in the Galactic halo. We determine fundamental absorption line parameters including covering fractions of different …

    potsdam-diss Repository record for A study of the absorption characteristics of gaseous galaxy halos in the local Universe (opens in a new tab)

  6. A study of the synthesis and reactions of new polynuclear aromatic acids and related compounds

    … The reason for this is discussed. Infrared and ultraviolet spectra of all new compounds were recorded. Infrared spectral observations were made which gave further support to the assigned structures of the isomeric compounds naphtho[3,2,l-fg]- naphthacen-9-one and dibenzo[hi,l]chrysen-9-one.

    vt Repository record for A study of the synthesis and reactions of new polynuclear aromatic acids and related compounds (opens in a new tab)

  7. Interactions of sodium ethacrynate in intravenous admixture with selected cardiovascular and psychotherapeutic agents

    <p>The possibility of drug incompatibilities is a matter of serious concern when administering two or more therapeutic agents. This is especially true in the case of parenteral administration when one must be aware not only of therapeutic interactions but also chemical and physical reactions that …

    u-pacific Repository record for Interactions of sodium ethacrynate in intravenous admixture with selected cardiovascular and psychotherapeutic agents (opens in a new tab)