Artikel Berbahasa Inggris - Portal Jurnal

Total ditemukan 20542 artikel.


Development and Characterization of Nutmeg Shell-Based Activated Carbon for Ethylene Adsorption in Fruit Storage

Oleh: Aji, Sri Ayu La, Ahmad, Usman, Wulandani, Dyah

Nutmeg shells are categorized as hardwood containing carbon such as cellulose and lignin, making them ideal for use as a material for producing activated charcoal. Activated charcoal can be used as an additive to absorb ethylene, O₂, CO₂, and H₂O to slow down fruit ripening. This study was con...

Penerbit: The University of Lampung • Publikasi: 24 April 2026

Natural Convection and Thermal Stratification in a Biomass Oven Fueled by Non-Carbonized Kesambi Leaf Briquettes: An Experimental Study

Oleh: Dethan, Jemmy Jonson Sula, Bunga, Fredrik Julius Haba, Maliwemu, Erich Umbu Kondi

This study investigates the vertical temperature distribution, natural convection behavior, and thermal performance of a biomass oven fueled by non-carbonized Kesambi leaf briquettes. Temperature measurements were conducted at multiple vertical positions inside the oven to characterize heat distribu...

Penerbit: The University of Lampung • Publikasi: 24 April 2026

Evaluation of Site-Specific Methane Emission Factors from Biogas Production in Tapioca Industrial Wastewater Treatment Systems

Oleh: Pratiwi, Eva Martha, Iryani , Dewi Agustina, Safe'i, Rahmat

Tapioca processing in Indonesia generates high-strength wastewater that can emit substantial methane (CH4) without sufficient treatment. The objective of this study is to determine a site-specific methane emission factor (B₀) for biogas power generation based on an anaerobic covered lagoon (ACL) a...

Penerbit: The University of Lampung • Publikasi: 24 April 2026

Effect of Serratia sp. Application Rate on Frost Damage, Growth, and Yield of Potato (Solanum tuberosum L.) Under Field Conditions

Oleh: Nugroho, Inggil Setyo, Zendrato, Yuniel Melvanolo, Herawati, Maria Marina

Frost damage poses a major constraint to potato (Solanum tuberosum L.) production in the Dieng Plateau, leading to significant yield loss. This study aimed to evaluate the effectiveness of Serratia sp. in mitigating the physical impacts of natural frost and improving plant growth and yield. The expe...

Penerbit: The University of Lampung • Publikasi: 24 April 2026

Effect of Ignition Point Location on Temperature Profile and Syngas Composition in Downdraft Gasification of Coconut Shell and Wood Sawdust

Oleh: Iriani, Purwinda, Gantina, Tina Mulya, Suprianti, Yanti

The utilization of biomass waste as an energy source, such as for hydrogen and methane gas production, can be achieved through the gasification process. This study aims to analyze the performance of biomass gasification using coconut shells and wood sawdust for syngas production, by comparing the ef...

Penerbit: The University of Lampung • Publikasi: 24 April 2026

Mining Dependency, Public Expenditure, and Regional Economic Structural Transformation in Central Sulawesi Province

Oleh: Talahatu, Marselius Fransiskus

This study analyzes the effect of dependence on the mining sector and regional public spending on the process of economic structural transformation at the district/city level using panel data from 13 districts/cities in Central Sulawesi Province during the period 2013–2023. The analysis was conduc...

Penerbit: Fakultas Ekonomi dan Bisnis Universitas Lampung • Publikasi: 25 April 2026

FUNGSI GUGUS LEKSIKAL DALAM SINIAR CURHAT BANG DENNY SUMARGO

Oleh: Aprilia, Dika, Prayogi, Icuk, Setyawati, Nanik

This study aims to describe the forms, patterns, and functions of lexical bundles that appear in the podcast Curhat Bang Denny Sumargo as a representation of Indonesian vernacular language in digital communication. Lexical bundles are understood as recurrent word sequences that help maintain discour...

Penerbit: FKIP Universitas Lampung • Publikasi: 25 April 2026

IKLAN LAYANAN MASYARAKAT PADA AKUN INSTAGRAM PEMKOT SEMARANG: ANALISIS WACANA KRITIS MODEL TEUN A.VAN DIJK

Oleh: Nugraheni, Adventia Christiani, Setyawati, Nanik, Budiawan, Raden Yusuf Sidiq

This research aims to describe the discourse structure in Public Service Advertisements on the Semarang City Government Instagram account using Teun A. van Dijk's critical discourse analysis model. This research can be used as a means of training students' critical thinking skills in responding to n...

Penerbit: FKIP Universitas Lampung • Publikasi: 25 April 2026

KONSELING ISLAMI DAN KEDISIPLINAN SANTRI: POTRET PERAN GURU DI MADRASAH DINIYAH PONDOK PESANTREN DARUL ISHLAH

Oleh: Prasetia, Kurnia Akbar, Muliawan, Pondra, Sodik, Ahmad

Penelitian ini dilatarbelakangi oleh fenomena degradasi kedisiplinan pada santri remaja di lingkungan pesantren, di mana tercatat sekitar 30% santri kelas 3 Ula di Madrasah Diniyah Pondok Pesantren Darul Ishlah menunjukkan tingkat kepatuhan yang rendah terhadap tata tertib. Penelitian ini bertujuan ...

Penerbit: FKIP Universitas Lampung • Publikasi: 25 April 2026

AMUK: REPRESENTASI KEKUATAN DAN KETANGKASAN PRAJURIT DALAM MASYARAKAT PEPADUN DI KABUPATEN LAMPUNG UTARA

Oleh: Habsary, Dwiyana, Adzan, Nabilla Kurnia, Setiawan, Afrizal Yudha

Amuk is a term thatmeans soldier in Lampung society, especially in the Abung Pepadun community,who acts as the protector of the Penyimbang. The Amuk tradition has long been synonymouswith men who have undergone special training in martial arts andthe use of weapons to ensure the safety of the Penyim...

Penerbit: FKIP Universitas Lampung • Publikasi: 26 April 2026