17 research outputs found

    Preparation and characterization of hap-grass porous composites

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    Infrared Spectra of Thiolane and Tetramethylene Sulfoxide Adsorbed on Montmorillonite1

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    Dissolution/precipitation behavior of hydroxyapatites prepared from cattle bone ash

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    ผลงานวิชาการคณาจารย์มหาวิทยาลัยเทคโนโลยีสุรนาร

    Calcium phosphate glass-coated hydroxyapatite

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    ผลงานวิชาการคณาจารย์มหาวิทยาลัยเทคโนโลยีสุรนาร

    Infrared Spectra of Sulfolane Adsorbed on Cation-Substituted Montmorillonites1

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    and characterisation of porous hydroxyapatite from bovine bone used as bone substitute materials

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    ผลงานวิชาการคณาจารย์มหาวิทยาลัยเทคโนโลยีสุรนาร

    Korat special clay

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    ผลงานวิชาการคณาจารย์มหาวิทยาลัยเทคโนโลยีสุรนาร

    Dissolution/precipitation behavior of hydroxyapatites prepared from cattle bone ash

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    Laser Raman and Infrared Spectra, and X-ray Crystal Structure of trans-Di-tert-butyl Hyponitrite

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    The molecular structure of trans-di-tert-butyl hyponitrite has been determined from a single-crystal, low-temperature X-ray study. The compound crystallizes in a monoclinic space group P21/c with two molecules per unit cell. The molecule has N=N, N—O, and O—C distances of 1.252 (5), 1.380 (6), and 1.471 (7) Å, respectively, and an N=N—O angle of 106.5 (3)°. The IR and Raman band assignments were made with the aid of 15N/14N isotopic substitution. The Raman spectra allowed unique assignment of the vNOand vCOstretching modes. These overlap in the 14N spectrum to give the characteristic, IR-active band at 990 cm−1. The Raman active vN=Nis assigned at 1509 cm−1. © 1982, American Chemical Society. All rights reserved
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