Artikel Pilihan Acak - Portal Jurnal

Total ditemukan 22828 artikel.


Unjuk Kerja Kolektor Surya Pelat Datar Aliran Paralel

Oleh: Zulfa, Zulfa, Amrizal, Amrizal, amrul, amrul

Telah diuji unjuk kerja kolektor pelat datar aliran paralel menggunakan solar simulator dengan standar pengujian EN 12975-2:2006. Tujuan penelitian ini untuk mengetahui karakteristik kolektor surya aliran paralel berupa efisensi termal dan pressure drop berdasarkan variasi jarak antar pipa paralel t...

Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 15 April 2018

PEMANFAATAN LINGKUNGAN SEKOLAH SEBAGAI SUMBER PEMBELAJARAN UNTUK MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR

Oleh: Wahyuni, Dini, Yolida, Berti, T. Marpaung, Rini Rita

The goal of this research is to know the utilization of schools environment as the learning source to increase the activity and learning outcomes of students. The design of this research is pretest posttest not equivalent. The samples of this research are VIIIA and VIIIB that chosen by cluster rando...

Penerbit: Universitas Lampung • Publikasi: 27 March 2015

TINJAUAN SISTEMATIK LITERATUR TENTANG CLOUD COMPUTING DAN ANALISIS DATA: ARSITEKTUR DAN METODOLOGI

Oleh: Khoer, M. Fazrul, Heryana, Nono

Cloud computing telah menjadi hal yang penting dalam dunia teknologi saat ini. Kemampuannya dalam menyediakan aksebilitas, efisiensi, dan fleksibilitas dalam analisis data telah membuat kemudahan bagi setiap penggunanya di berbagai bidang. Penelitian ini bertujuan untuk melakukan tinjauan sistematik...

Penerbit: Universitas Lampung • Publikasi: 03 August 2024

Proteksi Katodik pada Elektrode Zn Metode Sacrificial Anode untuk Peningkatan Kinerja Sistem Akumulator Air Laut

Oleh: Suciyati, Sri Wahyu, Pauzi, Gurum Ahmad, Junaidi, Junaidi

Corrosion to the Zn electrode in the seawater accumulator system can be controlled by the cathodic protection of the sacrificial anode system. The mechanism is via anode sacrifice such as Al which has a negative potential connected to the Zn structure to provide extra electrons. The Zn electrode des...

Penerbit: Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung • Publikasi: 30 July 2020

POTENSI PARASITOID TELUR PENGGEREK BATANG PADI KUNING Scirpophaga incertulas Walker PADA BEBERAPA TIPOLOGI LAHAN DI PROVINSI JAMBI

Oleh: Wilyus, ., Nurdiansyah, Fuad, Herlinda, Siti

The research was conducted to analyze the diversity, dispersal and domination of the egg parasitoid species of the yellow rice stem borer Scirpophaga incertulas Walker on several land typologies in Jambi Province.  The study was conducted by survey method, from December 2010 until June 2011.&nb...

Penerbit: Universitas Lampung • Publikasi: 12 September 2013

Entrepreneurship Management in the Digital Era for Micro, Small and Medium Enterprises in Indonesia

Oleh: Azizah Shodiqoh Rafidah

Digital transformation in the era of Industry 4.0 and Society 5.0 has fundamentally revolutionized business management, including Micro, Small and Medium Enterprises (MSME). In MSME management, there are several things that must be managed well, including financial management, human resource managem...

Penerbit: FEB - Universitas Lampung • Publikasi: 03 September 2024

Dynamic of Saline Soil Cations after NaCl Application on Rice Growth and Yields

Oleh: Mindari, Wanti, Guntoro, Wuwut, Kusuma, Zaenal

Saline soil cation dynamic is determined by the proportion of salt cations dissolved either acidic or alkaline.  Common base cations in saline soil are in the proportion of  Na >  Ca >  Mg >  K.  They affects the availability of water,  nutrients, and plant growth.  ...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 12 September 2014

OPTIMASI PROSES STITCHING CHAFER DALAM MENGURANGI DEFECT BLOWN BEAD TOE GREEN TIRE MENGGUNAKAN PLC SIEMENS

Oleh: Sanjaya, Yoga

Tulisan ini membahas mengenai modifikasi sistem stitcher chafer otomatis berbasis PLC Siemens pada fabrikasi ban. Sistem ini dirancang untuk meningkatkan efisiensi. Tujuan dari perancangan sistem ini adalah untuk mengurangi cacat Blown Bead Toe yang disebabkan oleh adanya udara pada Joint Chafer. Pe...

Penerbit: Universitas Lampung • Publikasi: 13 July 2025

THE EFFECT OF ADDITION OF CANTHAXANTHIN IN FEED TO INCREASE THE VISUAL VIEW OF COMET FISH, Carassius auratus (Linnaeus, 1758)

Oleh: Septiyani, Eka Sary, Yudha, Indra Gumay, Elisdiana, Yeni

One effort made to improve the color quality of comet fish is to add canthaxanthin. Canthaxanthin is a red-orange pigment found in plants, fungi, bacteria, crustaceans, sea trout, and algae. This study aims to determine the optimum dose of canthaxanthin given in feed to improve comet fish' color qua...

Penerbit: University of Lampung • Publikasi: 26 October 2020

Comparative Analysis of Growth Models for Lettuce (Lactuca sativa) in a Plant Factory under Red-Blue LED Treatment

Oleh: Putra, Guyup Mahardhian Dwi, De Side, Gagassage Nanaluih, Setiawati, Diah Ajeng

The growth of lettuce (Lactuca sativa) in controlled environments such as Plant Factories is highly influenced by lighting, particularly under red-blue (RB) LED treatment. Accurate growth prediction models are essential for optimizing yield. This study compared four models linear, polynomial, logist...

Penerbit: The University of Lampung • Publikasi: 08 August 2025