Search Results - "Alwi, Agustan"

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  1. 1

    Using miniature plots to assess the effects of soils on the productivity of tropical plantation forests: a case study from Sabah, Malaysia by Nguyen, Lisa, Alwi, Agustan, Japarudin, Yani, Moltchanova, Elena, Bloomberg, Mark

    Published in New forests (01-03-2022)
    “…Fast-growth plantation forestry is relatively new in many Southeast Asian countries, and there is a clear need for monitoring and assessment of plantation…”
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    Journal Article
  2. 2

    Preparation and characterization of lithium, sodium, and potassium silicate from palm leaf as a potential solid base catalyst in developed biodiesel production by Manurung, Renita, Hasibuan, Rosdanelli, Siregar, Alwi Gery Agustan

    “…In this study, silica derived from palm leaf ash impregnated with various alkali sodium and potassium hydroxide to obtain sodium and potassium silicate was…”
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    Journal Article
  3. 3

    Synthesis and Characterization of Sodium Silicate Produced from Corncobs as a Heterogeneous Catalyst in Biodiesel Production by Siregar, Alwi Gery Agustan, Manurung, Renita, Taslim, Taslim

    Published in Indonesian journal of chemistry (01-02-2021)
    “…In this study, silica derived from corncobs impregnated with sodium hydroxide to obtain sodium silicate was calcined, prepared, and employed as a solid base…”
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    Journal Article
  4. 4

    Utilization of Conventional Battery Framework with Bioelectrolyte Based on Blood Shell and Sugarcane Bagasse by Manurung, Renita, Khadijah, Aufa, Rahayu, Intan, Siregar, Alwi

    Published in Journal of Ecological Engineering (01-11-2022)
    “…Batteries are electric cells that use a reversible electrochemical process. One of the important components in the battery is the electrode. Electrodes in…”
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    Journal Article
  5. 5

    Synthesis and Characterization of Polystyrene Sulfonic Acid from Expanded Polystyrene Foam as a Catalyst in the Synthesis of Triacetin by Manurung, Renita, Hasibuan, Rosdanelli, Batubara, Fatimah, Inarto, Handy, Siregar, Alwi Gery Agustan, Saputra, Auryn

    Published in Indonesian journal of chemistry (01-10-2021)
    “…In Indonesia, the composition of waste has gradually changed over time. To reduce expanded polystyrene (EPS) foam waste, we converted it into a heterogeneous…”
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    Journal Article
  6. 6

    Non-destructive evaluation of strength and stiffness of Eucalyptus pellita. A comparison of near infrared spectroscopy and acoustic wave velocity assessment by Japarudin, Yani, Meder, Roger, Lapammu, Mahadir, Alwi, Agustan, Brown, Mark

    “…Tree improvement programmes benefit from measured data for multiple phenotypes in order to potentially gain maximum genetic leverage for selection. Diameter at…”
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    Journal Article
  7. 7

    Near infrared spectroscopy of Eucalyptus pellita for foliar nutrients and the potential for real-time monitoring of trees in fertiliser trial plots by Alwi, Agustan, Meder, Roger, Japarudin, Yani, Hamid, Hazandy A, Sanusi, Ruzana, Yusoff, Khairul H Mohd

    “…Eucalyptus pellita F. Muell. has become an important tree species in the forest plantations of SE Asia, and in Malaysian Borneo in particular, to replace…”
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    Journal Article