Volume 15, Number 4

Catalyzing Clean Energy: The Role of Hydrogen and Ammonia Technology Processes

Yudan Whulanza, Eny Kusrini, Heri Hermansyah, Mahmud Sudibandriyo, Muhamad Sahlan, Sutrasno Kartohardjono

Modified Polymetallic Zeolite-Based Catalysts for Hydroprocessing Diesel Oil Fraction and Tetradecane

Balga Tuktin, Aizhan Omarova, Galymzhan Saidilda, Saule Nurzhanova, Svetlana Tungatarova, Yerdos Ongarbayev

Atmospheric Leaching Behavior and Kinetics of Nickel and Cobalt from Halmahera Limonite Ore

Widi Astuti, Dira Avista, Pramesti Prihutami, Kevin Cleary Wanta, Agus Prakosa, Ferian Anggara, Himawan Tri Bayu Murti Petrus

Optimal Design and Performance Analysis of Multiple Photovoltaic with Grid-Connected Commercial Load

Hanis Farhah Jamahori, Md Pauzi Abdullah, Abid Ali, Abdulrahman AlKassem

Development of Protocol for Reservoir Sedimentation Prediction in Indonesia

Arbor Reseda, Dwita Sutjiningsih, Setyo Sarwanto Moersidik

Performance of In-Situ Stirring Batch Reactor Transesterification of Nannochloropsis sp Microalgae into Biodiesel

Yustia Wulandari Mirzayanti, Lenny Marlinda, Hery Irawan, Muhammad Al Muttaqii, Zuhdi Ma'sum, Nyoman Puspa Asri, Jia-Ming Chern

Spatial and Temporal Development of Microorganisms and the Effect of Clogging in Up-Flow Sand Filter

Farhana Abd Lahin, Rosalam Sarbatly, Chiam Chel Ken

Sustainable Porous Silica Material Extracted from Volcanic Ash of Mount Sinabung Indonesia as Corrosion Inhibitor

Lisnawaty Simatupang, Rikson Siburian, Elfrida Ginting, Binsar Maruli Tua Pakpahan, Kristian Adinata Pratama Simatupang, Dea Gracella Siagian, Edward Relius Laoli, Ronn Goei, Alfred Iing Yoong Tok

Extractive Fed-Batch Bioacetone Fermentation with Free Cell and Immobilized Clostridium Saccharoperbutylacetonicum N1-4 in a Large Extractant Volume

Rizki Fitria Darmayanti, Maktum Muharja, Bramantyo Airlangga, Arief Widjaja, Ara Nugrahayu Nalawati

Synthesis, Characterization, and Application of Poly(Styrene-Co-Glycidyl Methacrylate) as Reactive Diluents to Epoxy Resin

Ainakulova Dana Tulegenkyzy, Puteri Sri Melor Megat-Yusoff, Khaldun Mohammad Al Azzam, Bekbayeva Lyazzat Kairatovna, Arpit Goyal, Ganjian Eshmaiel, El-sayed Negim, Moshera Samy, Balasubramani Ravindran

Effect of Drying Pretreatment Methods on Amla (Emblica officinalis) Extracts Obtained Through Maceration Using Ethanol as Solvent

Auliyaa Raaf, Farid Mulana, Yanna Syamsuddin, Nanda Suriaini, Muhammad Dani Supardan

Mass Transfer Phenomena during the Ultrasound-assisted Extraction of Algal Oil from Spirulina sp.

Alinda Fitrotun Nisya, Rochmadi Rochmadi, Arief Budiman

The Influence of Surface Modification of Porous Materials to Improve the Efficiency of Separation of Water-Oil Emulsions: A Review

Olga Soloveva, Sergei Solovev, Rozalina Shakurova

Polypropylene-based Bio-nano Composites Reinforced with Cellulose Nanocrystals and Added with Mono-diacylglycerols as Antistatic Agent

Dwi Setyaningsih, Muhammad Syukur Sarfat, Farah Fahma, Nastiti Siswi Indrasti

Garlic-induced Stable Black Gold Nanostructure: Optical, Morphological, Antibacterial, Antioxidant and Cytotoxic properties

Harits Atika Ariyanta, Hotlina Nainggolan, Siti Aysah Denti, Yega Segara M, Cahya Mukti Setiyanto, Indila Mayrosa, Widya Fatriasari, Yoki Yulizar, Tribidasari A. Ivandini

Properties Enhancement of Brewer Rice Flour Biodegradable Films via Ultrasonication and Acetylation Treatments

Febiani Dwi Utari, Zulhaq Dahri Siqhny, Aprilina Purbasari, Tutuk Djoko Kusworo, Dani Puji Utomo, Mohamad Djaeni

Physical, Chemical and Electrical Conductivity Properties of Bismuth Oxide/ Rice Husk-Based Activated Carbon/Graphite Composite Prepared by the Hydrothermal Method

Yayuk Astuti, Lifiany Annisa, Didik Setiyo Widodo, Adi Darmawan

Adhesives Type on the Burning Rate and Emission Properties of Honeycomb Sandwich Composite

I Gusti Agung Ketut Catur Adhi, Ketut Adi Atmika, Ni Made Dwidiani, I Dewa Gede Ary Subagia

Multi-Objective Optimisation of Skylight Design Parameters for a Low-rise Building in the Tropics

Dinta Wijaya, Sentagi Sesotya Utami, Rizki Armanto Mangkuto

Ultra-Wideband Implementation of Object Detection Through Multi-UAV Navigation with Particle Swarm Optimization

Carlos James P. De Guzman, Joses S. Sorilla, Alvin Y. Chua, Timothy Scott C. Chu

Machine Learning Approach for Early Assembly Design Cost Estimation: A Case from Make-to-Order Manufacturing Industry

Anas Ma’ruf, Ali Akbar Ramadani Nasution, Raden Achmad Chairdino Leuveano

The Role of Technology and Trust in Operational Performance for Iraqi FMCG’s

Jamal Ahmed Al-Douri, Zeyad Alkhazali, Rowaida Al Aqrabawi , Khaleel Al-Daoud

Kinematic and Parametric Modeling of 6DOF(Degree-of-Freedom) Industrial Welding Robot Design and Implementation

Louie Villaverde, Dechrit Maneetham

Transforming Agricultural Supply Chain Challenges into Operational Strategies: Insights from an Agri-Machinery Company

Taha Karasu, Zulkarnain, Pekka Leviakangas

Thermal Welding in the Neck of Vacuum Flexible Container with Self-propelled Welding Module

Kanat Khazimov, Zhadyra Sagyndykova, Zhanat Khazimov, Indira Daurenova, Yertugan Umbetkulov, Marat Khazimov

Revolutionizing Signature Recognition: A Contactless Method with Convolutional Recurrent Neural Networks

Alvin Lim Fang Chuen , Khoh Wee How, Pang Ying Han, Yap Hui Yen

Design, Manufacture and Control of a Multi-layer Piezoelectric Actuator

Indrawanto, Indra Agung Ariwi Saputro, Vani Virdyawan, Tegoeh Tjahjowidodo

A Novel Design and Performance Analysis of Piezoelectric Energy Harvester with Application to a Vehicle Suspension System Moving on Uniform Bridges

Muhammad Fathul Hikmawan, Budi Azhari, Edwar Yazid, Aditya Sukma Nugraha, Midriem Mirdanies

Systematic Literature Review of Risk Assessment Techniques, Standard and Guidelines for Railway

Franka Hendra, Roslina Mohammad, Astuty Amrin, Nurazean Maarop, Teuku Yuri Zagloel

Residual Stress and Texture Analysis of Leaf Spring Failure

Andoko Andoko, Pradhana Kurniawan, Suprayitno Suprayitno, Femiana Gapsari, Maykel Manawan

Mechanical Loading of Anterior Cruciate Ligament in Different Strategies of Stop-Jump Landing

Leili Mahdieh, Shahram Lenjannejadian

Economic Security Management in Regions with Weak Economies in the Conditions of Digital Transformation

Elena Shkarupeta, Aleksandr Babkin, Svetlana Palash, Elena Syshchikova, Sergey Babenyshev