Results 111 to 120 of about 2,191 (140)

Analisis Mitigasi Risiko pada Proyek Konstruksi Rehabilitasi Jaringan Irigasi D.I. Cikaduwen

Jurnal sosial dan sains
Proyek rehabilitasi jaringan irigasi merupakan bagian penting dalam menjaga keberlanjutan sistem irigasi guna mendukung sektor pertanian. Namun, dalam pelaksanaannya, proyek ini menghadapi berbagai risiko yang dapat mempengaruhi biaya, waktu, dan mutu ...
Istadi Istadi
semanticscholar   +1 more source

Biofuels Production from Catalytic Cracking of Palm Oil Using Modified HY Zeolite Catalysts over A Continuous Fixed Bed Catalytic Reactor

, 2021
The increase in energy demand led to the challenging of alternative fuel development. Biofuels from palm oil through catalytic cracking appear as a promising alternative fuel.
I. Istadi, Teguh Riyanto, L. Buchori, D. Anggoro, Andre W. S. Pakpahan, Agnes J. Pakpahan   +5 more
semanticscholar   +1 more source

Total Net Energy Assessment for Rule-of-Thumb Applications in Multicomponent Distillation Separation Strategy

Journal of Chemical Engineering Research Progress
Energy saving in separation systems, particularly in distillation systems, is a research field that has attracted considerable innovative approaches. A distillation system is an essential separation process, yet it is inefficient in using thermal energy,
I. Istadi, Teguh Riyanto
semanticscholar   +1 more source

Metaphorical Thinking CoRelEx Spatial Students on Trigonometry Word Problem Solving Ability

Jurnal Riset Pendidikan Matematika
Problems in the reality of our lives require mathematics to be solved often using analogies in their solutions or also called metaphors. The condition of these problems requires students to develop abilities that emphasize the development of ...
C. M. Kursius, Anwar Muttaqien, Istadi Istadi   +2 more
semanticscholar   +1 more source

Abstract 3819: Modeling T cell and cancer cell interactions to examine immune checkpoint inhibition resistance in pancreatic cancer

Cancer Research
Pancreatic cancer (PC) is a lethal cancer, with ∼90% of patients dying within 5 years. This dire statistic underscores the limitations of current treatments and the need for improved therapeutic approaches.
Aji Istadi, Inna Navarro, Silvia Lombardi, Dannielle Upton, Mezzalina Vankan, Cesar Moreno, Michael Trpceski, C. Chambers, David Hermann, Marco J. Herold, P. Timpson, Sean Porazinski, Greg Neely, M. Pajic   +13 more
semanticscholar   +1 more source

Enhancing Brønsted and Lewis Acid Sites of the Utilized Spent RFCC Catalyst Waste for the Continuous Cracking Process of Palm Oil to Biofuels

, 2020
Catalyst waste from the Residue Fluid Catalytic Cracking (RFCC) plant process can still be utilized to catalyze the catalytic cracking of palm oil to fuels.
I. Istadi, Teguh Riyanto, L. Buchori, D. Anggoro, G. Gilbert, K. A. Meiranti, Elok Khofiyanida   +6 more
semanticscholar   +1 more source

Hubungan Antara Intensitas Waktu Aktivitas Luar Ruangan Dengan Kejadian Miopia

JURNAL ILMU KEDOKTERAN DAN KESEHATAN
Miopia merupakan kelainan refraksi mata yang menjadi masalah kesehatan global. Intesitas waktu aktivitas di luar ruangan telah dilaporkan sebagai faktor penting yang mempengaruhi perkembangan miopia.
Yogi Rizki Maulana, Atik Rahmawati, Yani Istadi   +2 more
semanticscholar   +1 more source

Enhancing hierarchical factor (HF) and catalytic performance of Bayah’s natural zeolite catalyst for hydrocracking of palm oil to biofuels

International Journal of Renewable Energy Development
This study investigates enhancement of Bayah’s Natural Zeolite (BNZ), an abundant resource from Banten, Indonesia, as a catalyst for hydrocracking palm oil into biofuels.
I. Istadi, Wais Alqurni, Teguh Riyanto
semanticscholar   +1 more source

Development of Polyhydroxybutyrate (PHB) production articles: a bibliometric analysis (1990-2023)

Polímeros
Since the 1940s, the rise in plastic manufacturing has led to increasing plastic waste and environmental damage, driving the need for biodegradable plastics like polyhydroxybutyrate (PHB).
Kharis Yohan Abidin, Abdullah, Y. Nurhamiyah, Dewi Nandyawati, Hadiyanto, Istadi   +5 more
semanticscholar   +1 more source

Recent Advances in Catalytic Systems for the Sustainable Synthesis of Ethyl Levulinate from Biomass

Advance Sustainable Science, Engineering and Technology
The esterification of levulinic acid to ethyl levulinate presents challenges in catalyst efficiency, reusability, and environmentally friendly process design, restricting commercial scalability.
Mhd. Shaumi Al Anshar, Luqman Buchori, Didi Dwi Anggoro, Setia Budi Sasongko, Istadi   +4 more
semanticscholar   +1 more source