Vol 17, No 1 (2021)

Available Online in June 2021

DOI: http://dx.doi.org/10.36055/tjst.v17i1

Table of Contents

Original Research Article

Optimization of activated carbon yield using the Taguchi method in synthesizing activated carbon from wood charcoal
Barlin Barlin, Wei-Chin Chang
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1 - 7
Physicochemical properties of semi-refined carrageenan by bleaching pretreatment
Denni Kartika Sari, Indar Kustiningsih, Heri Heriyanto, Arif Satriya Wijayanto, Asep Ikbal Maulan
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8 - 14
Effect of temperature and drying time on chemical characteristics of duck bone meal
Nurul Qisti, Angga Nugraha, Zulfatun Najah
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15 - 20
The leaching of South Kalimantan ilmenite decomposed by NaOH using hydrochloric acid solution
Erlina Yustanti, Aisah Rosani, Latifa Hanum Lalasari
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21 - 25
Soil improvement using steel slag waste on the value of the unconfined compressive strength of the soil (Case Study on Bojonegara Highway Serang Banten)
Rama Indera Kusuma, Enden Mina, Woelandari Fathonah, Muhammad Parma Lovan Tora
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26 - 34
Development of a vibration monitoring system for rotating machine models using fast fourier transform
Iip Muhlisin, Fachri Agung, Riki Effendi
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35 - 42
Hazard vulnerability analysis on disaster mitigation at Jakarta Medical Center Hospital
Nurul Hikmah, Tatan Sukwika
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43 - 47
The design of feet-based door opener to prevent the spread of coronavirus disease (Covid-19) through doorknob
Rahman Faiz Suwandana, Indah Uswatun Hasanah
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48 - 52
Analysis of the effect of compaction variations on the hardness of the reduced sponge iron from iron sand in South Aceh Regency
Reza Putra, Muhammad Sayuti, Muhammad Yusuf, Muhammad Muhammad, Muhammad Faisal
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53 - 57
Design of refuse derived fuel (RDF) printing machine with a capacity of 50 kg/h
Eka Maulana, Dhidik Mahandika, Ahmad Husni Bahrudin
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58 - 66
Design and build a waste power plant (WPP) at the University of Singaperbangsa Karawang
Dani Oktariansyah, Kemal Mustafa, Efis Muafin Aulawi, Rizki Abdul Rahman, Rais Dharmawan, Marno Marno, Iwan Nugraha Gusniar, Nazmudin Fauji, Jojo Sumarjo
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67 - 77
Study of analysis and repair of drop voltage with load breaking method at CD 125 PT. PLN UP3 Bintaro
Agusutrisno Agusutrisno, Wahyu Prabowo, Bayu Bagoes Wicaksono, Ahmad Shulhany, Masjudin Masjudin
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78 - 81
Optimizing the placement and construction capacity of the Mantingan Substation using the imperialist competitive algorithm method
Jimmy Trio Putra, Nisaun Fadhilah, Dandy Abdul Rahman, Muhammad Arrofiq
PDF (English)
82 - 88
Identification and proposed strategy for minimizing defects using the lean six sigma method in the pallet production process
Kulsum Kulsum, Reza Fawzi Rahman, Evi Febianti
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89 - 94
Characteristics of mangosteen rind peel off gel mask with various concentrations
Tri Partuti, Priyanti Priyanti, Hutssy Elya Nadyana, Alika Arum Daniya
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95 - 99
Transmission and reflection of waves on curtain wall breakwater
Subekti Subekti, Ahmad Shulhany
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100 - 105
Durability characteristics of millet hush ash: A study on self-compacting concrete
Abubakar Mohammed, Aaron Aboshio
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106 - 112
FRONT MATTER (Cover, Editorial Board, ISSN, Preface, Table of Contents)
 
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BACK MATTER (Subject Index, Author Index, Acknowledgment)
 
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