Vol 20, No 1 (2024)

Available Online in June 2024

DOI: http://dx.doi.org/10.62870/tjst.v20i1

Table of Contents

Original Research Article

Analysis of groundwater level fluctuations and groundwater quality at Benoa and Tanjung Benoa Village, Bali Province, Indonesia
Putu Doddy Heka Ardana, I Ketut Soriarta, Muhammad Affandi
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1-9
Design and development of aircraft cargo fire early detection simulation system using arduino nano microcontroller
Nidya Chitraningrum, Sri Dessy Siswanti, Dina Herdiana, Anton Prasetiawan, Lies Banowati, Kahlil Muchtar, Indra Sakti
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10-16
Soil stabilization using eggshell powder and its effect on unconfined compressive strength (UCS) values
Enden Mina, Rama Indera Kusuma, Woelandari Fathonah, Alberto Dwi Vindo
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17-25
Application of activated carbon/ TiO2 composite for ammonia degradation from leaching process in methyl iso cyanate production
Muhammad Rifki Syaputra, Hilal Hamdi, Sidik Maulana Permana, Nina Arlofa, Tiur Elysabeth
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26-31
Microstrip antenna design for use in 4G communication network systems
M. Reza Ramadhon, Didik Aribowo, Bagus Dwi Cahyono
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32-39
Static and dynamic GPS receiver verification tests using software defined radio
Sri Kliwati, Romi Wiryadinata, Imamul Muttakin, Haris Setyawan, Rustamaji Rustamaji, Wahyu Widada
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40-45
The relationship model between road surface roughness and functional condition values of the road surface using IKP method and IRI with roadroid application
Arbi Parianta Lukman, M. Oka Mahendra, M. Rafli Yudhzan
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46-52
Analysis of vehicle emissions due to traffic on the Tambun Bungai Street Palangkaraya
Rudy Yoga Lesmana, Reza Zulfikar Akbar, Amelia Faradila
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53-59
Proposed management of nata de coco production waste with green productivity (Case study in UKM Usaha Tani Lebak)
I Gusti Ayu Friskayani, Lely Herlina, Yusraini Muharni, Bobby Kurniawan, Muhammad Adha Ilhami, Shanti Kirana Anggraeni
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60-65
Preliminary study-design of a piezoelectric floor energy harvester
Sidik Susilo, Erny Listijorini, Ceri Ahendyarti, Ilham Febrianto, Akhmad Adhiwindoro
66-72
Effect of annealing and quench temper to the mechanical properties and microstructure of stainless steel for electronic application
Abdul Aziz
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73-77
Contribution of nano crumb-rubber to the rheological characteristics of modified buton rock asphalt
Ahmad Septiawan, Sigit Pranowo Hadiwardoyo, Jachrizal Sumabrata, Riana Herlina Lumingkewas
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78-85
Design of automatic control system on pakcoy plant parameters in nutrient film technique hydroponic media
Supriyanto Praptodiyono, Irma Saraswati, Sidiq Tri Kusuma
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86-92
Prototype of blood sugar measuring instrument with non invasive method using near infrared
Irma Saraswati, Muhammad Fikri Dzaky, Heri Haryanto
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93-97
Hierarchical clustering algorithm-dendogram using Euclidean and Manhattan distance
Mukhtar Mukhtar, Majid Khan Majahar Ali, Faula Arina, Agung Satrio Wicaksono, Aulia Ikhsan, Weksi Budiaji, Syarif Abdullah, Dinda Dwi Anugrah Pertiwi, Robby Zidny, Yuvita Oktarisa, Royan Habibie Sukarna
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98-104
Forming machine maintenance planning using the reliability centered maintenance (RCM) method at PT. KHI pipe industries
Yusvardi Yusuf, Nugraheni Djamal, Dadi Cahyadi
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105-110
Prediction of fire evacuation in high-buildings junior high school using discrete event simulation
Faisal Ibnu Firmansyah, Mohamad Jihan Shofa, Heru Winarno
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111-116
Factors that influence the implementation time of bridge projects
Rohmat Agus Sholihin, Agus Suroso, Mawardi Amin
Evaluation analysis of the implementation of Indonesian national work competency standards for occupational safety and health in Jakarta vocational high schools
Nike Naluri, Agus Suroso, Mawardi Amin