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Structure, surface area and morphology of aluminas from thermal decomposition of Al(OH)(CH3COO)2 crystals
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. …”
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83
A method of trend forecasting for financial and geopolitical data: inferring the effects of unknown exogenous variables
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. …”
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84
Definition and implementation of a visual inventory management system
Published 2005Get full text
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85
Acompanhamento da hidratação de cimento Portland simples com resíduo de bauxita
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86
Effect of isothermal heat treatment on hardness of X7475 aluminium alloys
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. …”
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87
Effect of isothermal heat treatment on hardness of x7475 alumoinium alloys
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. …”
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Inspection of Prebaked Carbon Anodes Using Multi-Spectral Acousto-Ultrasonic Excitation
Published 2017-08-01Get full text
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The Potential of Acousto-Ultrasonic Techniques for Inspection of Baked Carbon Anodes
Published 2016-07-01Get full text
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The strengthening of aluminium 2024 sheet by accelerated aging / Syafruddin Noer
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. …”
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93
Influence of DLC Film Deposition on the Corrosion and Micro-abrasive Wear Tests of the 2524-T3 Al Alloy
Published 2019-04-01“… The 2524-T3 aluminium (Al) alloy produced by ALCOA may be used as skin material by the aircraft industry. …”
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94
Towards Eradication of <i>Phytophthora cinnamomi</i> Using a Fallow Approach in a Mediterranean Climate
Published 2020-10-01Get full text
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<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...
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. …”
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New World species of the genus Calliscelio Ashmead (Hymenoptera, Platygastridae, Scelioninae)
Published 2017-01-01“….; and 38 are described as new: C. absconditum Chen &amp; Johnson, sp. n., C. absum Chen &amp; Johnson, sp. n., C. alcoa Chen &amp; Masner, sp. n., C. amadoi Chen &amp; Johnson, sp. n., C. armila Chen &amp; Masner, sp. n., C. bidens Chen &amp; Masner, sp. n., C. brachys Chen &amp; Johnson, sp. n., C. brevinotaulus Chen &amp; Johnson, sp. n., C. brevitas Chen &amp; Johnson, sp. n., C. carinigena Chen &amp; Johnson, sp. n., C. crater Chen &amp; Johnson, sp. n., C. crena Chen &amp; Johnson, sp. n., C. eboris Chen &amp; Johnson, sp. n., C. extenuatus Chen &amp; Johnson, sp. n., C. flavicauda Chen &amp; Johnson, sp. n., C. foveolatus Chen &amp; Johnson, sp. n., C. gatineau Chen &amp; Johnson, sp. n., C. glaber Chen &amp; Masner, sp. n., C. granulatus Chen &amp; Masner, sp. n., C. latifrons Chen &amp; Johnson, sp. n., C. levis Chen &amp; Johnson, sp. n., C. longius Chen &amp; Johnson, sp. n., C. magnificus Chen &amp; Masner, sp. n., C. migma Chen &amp; Johnson, sp. n., C. minutia Chen &amp; Johnson, sp. n., C. paraglaber Chen &amp; Johnson, sp. n., C. pararemigio Chen &amp; Masner, sp. n., C. prolixus Chen &amp; Johnson, sp. n., C. punctatifrons Chen &amp; Johnson, sp. n., C. remigio Chen &amp; Masner, sp. n., C. ruga Chen &amp; Johnson, sp. n., C. rugicoxa Chen &amp; Masner, sp. n., C. sfina Chen &amp; Johnson, sp. n., C. storea Chen &amp; Johnson, sp. n., C. suni Chen &amp; Johnson, sp. n., C. telum Chen &amp; Johnson, sp. n., C. torqueo Chen &amp; Johnson, sp. n., C. virga Chen &amp; Johnson, sp. n. …”
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Oh brother, where art tau? Amyloid, neurodegeneration, and cognitive decline without elevated tau
Published 2021-01-01Get full text
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Contralateral prophylactic mastectomy in a rural population: A single-institution experience
Published 2024-03-01Get full text
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