CIÊNCIA E NATURA, V. 11, N. 11, 1989

View CIÊNCIA E NATURA, V. 11, N. 11, 1989
Published: 1989-12-11

  • Bayesian models

    07-20
    DOI: https://doi.org/10.5902/2179460X25526

  • Mathematical transformation utilized in the graphic screen of an Apple Microcomputer

    21-26
    DOI: https://doi.org/10.5902/2179460X25527

  • Didatic reinforcement about trigonometry using microcomputer

    27-36
    DOI: https://doi.org/10.5902/2179460X25528

  • Fysico-Chemical equilibrium among minerals and groundwater

    37-54
    DOI: https://doi.org/10.5902/2179460X25529

  • Potenciometric studies of the adsorption of unsaturated alcohols on copper electrode in H2SO4 aqueous solutions

    55-68
    DOI: https://doi.org/10.5902/2179460X25532

  • Cyclohexiliden-bis (thioglycolic) acid as reagent for the UV-spectrophotometric determination of Pd2+ and Hg2+

    69-76
    DOI: https://doi.org/10.5902/2179460X25533

  • Effect of ammoniun bromide and chloride addition on the formation of micelles of cetyltrimethylammonium

    77-82
    DOI: https://doi.org/10.5902/2179460X25534

  • Potentializing effect of Cymbopogon citratus – Stapf on acetylcholine action in smooth muscle contration

    83-92
    DOI: https://doi.org/10.5902/2179460X25535

  • Effect of crude aqueous extract of Polygonum acre H.B.K. on the smooth muscle and their correlation with the chemical composition

    93-100
    DOI: https://doi.org/10.5902/2179460X25536

  • Yield wood determination for black, Acacia mearnsii De Wild

    101-112
    DOI: https://doi.org/10.5902/2179460X25553

  • Effects of shading on yield of Cabralea glaberrima Juss. under conditions of nursery

    113-118
    DOI: https://doi.org/10.5902/2179460X25554

  • Genus crenicichla of Central Region of RS: Crenicichla lepidota Heckel, 1840

    119-127
    DOI: https://doi.org/10.5902/2179460X25555