Showing 81 - 100 results of 109 for search '"Alcoa"', query time: 0.11s Refine Results
  1. 81
  2. 82

    Structure, surface area and morphology of aluminas from thermal decomposition of Al(OH)(CH3COO)2 crystals by PEDRO K. KIYOHARA, HELENA SOUZA SANTOS, ANTONIO C. VIEIRA COELHO, PÉRSIO DE SOUZA SANTOS

    Published 2000-12-01
    “…Crystalline aluminium hydroxiacetate was prepared by reaction between aluminium powder (ALCOA 123) and aqueous solution of acetic acid at 96ºC ±1ºC. …”
    Get full text
    Article
  3. 83

    A method of trend forecasting for financial and geopolitical data: inferring the effects of unknown exogenous variables by Lucas Cassiel Jacaruso

    Published 2018-12-01
    “…This paper specifically addresses the ability of the newly proposed method to forecast the upwards/downwards extrapolation of the weekly trend for 9 weeks on stock closing prices for five companies of interest (Apple Inc, Amazon.com Inc, General Electric Company, Intel Corporation, and Alcoa Corporation). It was also applied to forecasting the annual trend for 9 years of Afghan asylum seeker data. …”
    Get full text
    Article
  4. 84
  5. 85

    Acompanhamento da hidratação de cimento Portland simples com resíduo de bauxita by R. C. O. Romano, A. L. Fujii, R. B. Souza, M. S. Takeashi, R. G. Pileggi, M. A. Cincotto

    “…Os resultados ilustraram que a presença do resíduo coletado na planta da Alcoa (Poços de Caldas) aumenta o tempo de indução, o consumo de portlandita, e as quantidades de etringita e monossulfoaluminato formadas. …”
    Get full text
    Article
  6. 86

    Effect of isothermal heat treatment on hardness of X7475 aluminium alloys by Kazeem, Abubakar, Badarulzaman, Nur Azam, Wan Ali, Wan Fahmin Faiz

    Published 2019
    “…This paper presents the result of preliminary studies on new experimental X7475 Al-alloy that was produced per Alcoa Green Letter specifications, with variations of Zn (4.0 - 5.0 wt.%), Mg (1.00 - 1.50 wt.%) and Mn (0.025 - 0.075 wt.%), then subjected to microhardness probe under a load of 490.3mN (0.05Hv) and 10sec duration after isothermal and isochronous “O”, T4 and T6 heat treatments. …”
    Get full text
    Article
  7. 87

    Effect of isothermal heat treatment on hardness of x7475 alumoinium alloys by Kazeem, A. B., Badarulzaman, N. A., Wan Ali, W. F. F.

    Published 2019
    “…This paper presents the result of preliminary studies on new experimental X7475 Al-alloy that was produced per Alcoa Green Letter specifications, with variations of Zn (4.0 - 5.0 wt.%), Mg (1.00 - 1.50 wt.%) and Mn (0.025 - 0.075 wt.%), then subjected to microhardness probe under a load of 490.3mN (0.05Hv) and 10sec duration after isothermal and isochronous “O”, T4 and T6 heat treatments. …”
    Article
  8. 88
  9. 89
  10. 90
  11. 91
  12. 92

    The strengthening of aluminium 2024 sheet by accelerated aging / Syafruddin Noer by Noer, Syafruddin

    Published 2007
    “…The material selected for this study was aluminium 2024 sheet with 1.6 mm thickness, manufactured by ALCOA. Microstructures of aged materials were difficult to differentiate between natural and artificial aged, the grains were almost equiaxed which consist of rounded Al2CuMg as an undissolved excess phase , irregularly shaped particles of unreacted (Mn,Fe)3SiAI12 and reaction product Al7Cu2Fe, along with fine dispersoid of Cu2Mn3Al20. …”
    Get full text
    Thesis
  13. 93
  14. 94
  15. 95
  16. 96

    <b>Hábitos alimentares de estudantes de uma universidade pública no nordeste, Brasil<br>Food habits of students of one public university of Northeast, Brazil </b&g... by E. P .S. FEITOSA, C. A. O. DANTAS, E. R. S. ANDRADE-WARTHA, P. S. MARCELLINI, R. S. MENDES-NETTO

    Published 2010-11-01
    “…Entre os homens observou-se maior freqüência de consumo de bebidas alcoólicas e menor preocupação com a retirada de gordura aparente das carnes. …”
    Get full text
    Article
  17. 97

    New World species of the genus Calliscelio Ashmead (Hymenoptera, Platygastridae, Scelioninae) by Hua-yan Chen, Lubomír Masner, Norman F. Johnson

    Published 2017-01-01
    “….; and 38 are described as new: C. absconditum Chen & Johnson, sp. n., C. absum Chen & Johnson, sp. n., C. alcoa Chen & Masner, sp. n., C. amadoi Chen & Johnson, sp. n., C. armila Chen & Masner, sp. n., C. bidens Chen & Masner, sp. n., C. brachys Chen & Johnson, sp. n., C. brevinotaulus Chen & Johnson, sp. n., C. brevitas Chen & Johnson, sp. n., C. carinigena Chen & Johnson, sp. n., C. crater Chen & Johnson, sp. n., C. crena Chen & Johnson, sp. n., C. eboris Chen & Johnson, sp. n., C. extenuatus Chen & Johnson, sp. n., C. flavicauda Chen & Johnson, sp. n., C. foveolatus Chen & Johnson, sp. n., C. gatineau Chen & Johnson, sp. n., C. glaber Chen & Masner, sp. n., C. granulatus Chen & Masner, sp. n., C. latifrons Chen & Johnson, sp. n., C. levis Chen & Johnson, sp. n., C. longius Chen & Johnson, sp. n., C. magnificus Chen & Masner, sp. n., C. migma Chen & Johnson, sp. n., C. minutia Chen & Johnson, sp. n., C. paraglaber Chen & Johnson, sp. n., C. pararemigio Chen & Masner, sp. n., C. prolixus Chen & Johnson, sp. n., C. punctatifrons Chen & Johnson, sp. n., C. remigio Chen & Masner, sp. n., C. ruga Chen & Johnson, sp. n., C. rugicoxa Chen & Masner, sp. n., C. sfina Chen & Johnson, sp. n., C. storea Chen & Johnson, sp. n., C. suni Chen & Johnson, sp. n., C. telum Chen & Johnson, sp. n., C. torqueo Chen & Johnson, sp. n., C. virga Chen & Johnson, sp. n. …”
    Get full text
    Article
  18. 98
  19. 99
  20. 100