Search Results - "Manurung, R."

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  1. 1

    Experimental and kinetic modelling studies on the acid-catalysed hydrolysis of the water hyacinth plant to levulinic acid by Girisuta, B., Danon, B., Manurung, R., Janssen, L.P.B.M., Heeres, H.J.

    Published in Bioresource technology (01-11-2008)
    “…A comprehensive experimental and modelling study on the acid-catalysed hydrolysis of the water hyacinth plant ( Eichhornia crassipes) to optimise the yield of…”
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    Journal Article
  2. 2

    IMPROVING STUDENTS’ THINKING ABILITY IN PHYSICS USING INTERACTIVE MULTIMEDIA BASED PROBLEM SOLVING by Manurung, Sondang R, Panggabean, Deo Demonta

    Published in Cakrawala pendidikan : CP (01-06-2020)
    “…Interactive multimedia based learning containing problem solving may have been researched, however there are stigma that learning how to do problem solving…”
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    Journal Article
  3. 3

    Synthesis of nano-CaO catalyst with SiO2 matrix based on palm shell ash as catalyst support for one cycle developed in the palm biodiesel process by Manurung, R., Parinduri, S.Z.D.M., Hasibuan, R., Tarigan, B.H., Siregar, A.G.A.

    “…In this research, waste chicken eggshells and palm oil mill boiler ash were utilized as heterogeneous solid base catalysts in biodiesel synthesis. The…”
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    Journal Article
  4. 4

    Biomass to fuels: Upgrading of Flash Pyrolysis Oil by Reactive Distillation Using a High Boiling Alcohol and Acid Catalysts by Mahfud, F H, Melian-Cabrera, I, Manurung, R, Heeres, HJ

    “…We here report our studies on the upgrading of flash pyrolysis oil using an improved alcohol treatment method. The method consists of treating pyrolysis oil…”
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    Journal Article
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    Valorisation of Jatropha curcas L. plant parts: Nut shell conversion to fast pyrolysis oil by Manurung, R., Wever, D.A.Z., Wildschut, J., Venderbosch, R.H., Hidayat, H., van Dam, J.E.G., Leijenhorst, E.J., Broekhuis, A.A., Heeres, H.J.

    Published in Food and bioproducts processing (01-09-2009)
    “…The biorefinery concept is a very powerful concept to optimise the conversion of biomass resources to value-added products with a minimum loss of energy and…”
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    Journal Article
  6. 6

    Computational humor by Binsted, K., Nijholt, A., Stock, O., Strapparava, C., Ritchie, G., Manurung, R., Pain, H., Waller, A., O'Mara, D.

    Published in IEEE intelligent systems (01-03-2006)
    “…In an effort to focus on tractable problems, computational natural language understanding systems have typically addressed language phenomena that are amenable…”
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    Journal Article
  7. 7

    Improvement of Graph Interpretation Ability Using Hypertext-Assisted Kinematic Learning and Formal Thinking Ability by Manurung, S. R., Mihardi, S., Rustaman, N. Y., Siregar, N.

    Published in Jurnal pendidikan fisika Indonesia (01-01-2018)
    “…The effectiveness of hypertext media in improving graph interpretation ability is investigated in this paper. In addition, joint ability of the formal thinking…”
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    Journal Article
  8. 8

    Karyotype of Phaius tankervilleae and Phaius amboinensis orchid by Muliawati, E.S., Hartati, S., Parjanto, P., Sukaya, S., Nandariyah, N., Yuniastuti, E., Manurung, I.R., Purmiyoto, C.W.W.

    Published in E3S web of conferences (01-01-2023)
    “…Phaius tankervilleae and Phaius amboinensis orchids are decorative orchids that have high ornamental value and are classified as endangered plants. Genetic…”
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    Journal Article Conference Proceeding
  9. 9

    79. The Association between Psychological Stress and Primary Hypertension in Productive Communities Aged >40 years in Nainggolan District, Samosir Island: a Case-Control Study by Hutasoit, J. I., Sihombing, E. P. R, Sijabat, I. G., Tamba, A. B., Siregar, M. K., Manurung, R. D., Hutabarat, B. D.

    Published in Journal of hypertension (01-05-2024)
    “…Background: Hypertensive disease is still a serious problem that must be handled in everyday life because it is a disease that is a ‘silent killer’ …”
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    Journal Article
  10. 10

    ANALISIS PERSEPSI MAHASISWA TERHADAP ADANYA AKUNTANSI FORENSIK by Tya Yuli R. Manurung

    Published in Jurnal Reksa (Online) (01-08-2018)
    “…This study aims to analyze students' perceptions about forensic accounting. As a tool to accelerate the eradication of corruption and combating fraud, forensic…”
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    Journal Article
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    EFFECTS OF SCIENTIFIC INQUIRY LEARNING MODEL AND LOGICAL THINKING ABILITY OF HIGH SCHOOL STUDENTS SCIENCE PROCESS SKILLS by M. Akhyar Lubis, Mara Bangun Harahap, Sondang R. Manurung

    “…This study aimed to analyze whether the results of science process skills of students. Who are taught by the teaching model scientific inquiry better than…”
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    Journal Article
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    IMPLEMENTATION OF QUANTUM PHYSICS INTRODUCTION AID ON VIRTUAL LABORATORIES TO IMPROVE PROFICIENCY GENERIC by Sondang R Manurung, Mara Bangun Harahap, Nuryani Y Rustaman, Benny Suprapto Brotosiswoyo

    “…This study was aimed at determining the results of virtual laboratory implementation in the introduction of quantum physics in improving the generic…”
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    Journal Article
  16. 16

    The Standup Interactive Riddle-Builder by Ritchie, Graeme, Manurung, Ruli, Waller, Annalu, O'Mara, Dave

    Published in IEEE intelligent systems (01-03-2006)
    “…The STANDUP (System to Augment Non-speakers' Dialogue Using Puns) program, a software application that provides a fun way for disabled children to practice…”
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    Journal Article
  17. 17

    Biomass to Fuels by Mahfud, F.H., Melián-Cabrera, I., Manurung, R., Heeres, H.J.

    “…We here report our studies on the upgrading of flash pyrolysis oil using an improved alcohol treatment method. The method consists of treating pyrolysis oil…”
    Get full text
    Journal Article
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    LinkedLab: A Linked Data platform for Research Communities by Darari, F., Manurung, R.

    “…Although most research communities actively disseminate information about their projects, publications, and members, there is no well-established standard for…”
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    Conference Proceeding