CIÊNCIA E NATURA, V. 4, N. 4, 1982

View CIÊNCIA E NATURA, V. 4, N. 4, 1982
Published: 1982-12-13

  • Quadrupole interaction and its correlaction with the Mössbauer effect

    01-20
    DOI: https://doi.org/10.5902/2179460X24923

  • The singular value decomposition of a uniform matrix

    21-26
    DOI: https://doi.org/10.5902/2179460X24924

  • Statistical focus on reliability

    27-31
    DOI: https://doi.org/10.5902/2179460X24925

  • Application of semi-microanalysis for the separation and identification of ions by the use of tioacetamide as a cromatograph developer

    32-36
    DOI: https://doi.org/10.5902/2179460X24926

  • Spectrophotometric method for L (+) Arginin, L (-) Asparagin and L (+) Lysin determination in pharmaceutical drugs, with o-diacetylbenzene

    37-48
    DOI: https://doi.org/10.5902/2179460X24928

  • The ¹H rnm spectra of the compound obtained from reaction between the amino-acids and o-diacetylbenzene

    49-54
    DOI: https://doi.org/10.5902/2179460X24929

  • Caffeine determination in soft drinks throuh UV-spectrophotometry

    55-60
    DOI: https://doi.org/10.5902/2179460X24932

  • Study of a spectrophotometric method for the determination of aluminum in cement samples

    61-66
    DOI: https://doi.org/10.5902/2179460X24934

  • Complexometric titrations of calcium and magnesium in limestone

    67-70
    DOI: https://doi.org/10.5902/2179460X24935

  • Main types of volcanic rocks of Parana basin in the plateau of Santa Catarina, Southern Brazil

    71-84
    DOI: https://doi.org/10.5902/2179460X24952

  • Analytical balance of the wood of Hovenia dulcis Thunb., of the population in the Estação Experimental of Silvicultura of Boca of the Monte, Santa Maria, RS

    85-90
    DOI: https://doi.org/10.5902/2179460X24953

  • Essential oil from Tagetes minuta L. (Compositae), spontaneous in Rio Grande do Sul

    91-94
    DOI: https://doi.org/10.5902/2179460X24954

  • Anatomical study of secondary xylem and bark of Acacia recurva Benth. (Leguminosae Minosoideae)

    95-106
    DOI: https://doi.org/10.5902/2179460X24955

  • The secondary xylem structure of Mimosa daleoides Benth. (Leguminosae Mimosoideae)

    107-114
    DOI: https://doi.org/10.5902/2179460X24956

  • Structure and yield of natural forests along the Branco River in the Federal Territory of Roraima (Brazil)

    115-128
    DOI: https://doi.org/10.5902/2179460X36457

  • The composition and structure of secondary forestm in the valley of the Jacuí River, RS

    129-140
    DOI: https://doi.org/10.5902/2179460X24957

  • Brushwood vegetation in the region of the mid flow of the Jacuí River, RS

    141-150
    DOI: https://doi.org/10.5902/2179460X24958

  • The river bank vegetation in the mid flow of the Jacuí River, RS

    151-162
    DOI: https://doi.org/10.5902/2179460X24959

  • Morphology of glandular hairs and phitochemical aspects of monoic Cannabis sativa L.

    163-170
    DOI: https://doi.org/10.5902/2179460X24977