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Rian Efendi
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Peningkatan Pertumbuhan dan Efisiensi Pemanfaatan Pakan Ikan Nila Salin (Oreochromis niloticus) dengan Penggunaan Ekstrak Terong Asam (Solanum ferox L.) Muhammad Bahrus Syakirin; Tri Yusufi Mardiana; Rian Efendi
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 21, No 1 (2022): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/penaakuatika.v21i1.1775

Abstract

Ikan nila salin (O. Niloticus) merupakan komoditas perikanan yang saat ini banyak dibudidayakan masyarakat di Indonesia. Upaya untuk meningkatkan produksi ikan nila salin adalah penggunaan prebiotik ekstrak terong asam dalam pakan. Tujuan dari penelitian ini adalah untuk mengkaji pengaruh penggunaan ekstrak terong asam dalam pakan buatan terhadap pertumbuhan, dan efisiensi pemanfaatan pakan ikan nila salin serta untuk mengetahui dosis ekstrak terong asam dalam pakan yang memberikan pertumbuhan dan efisiensi pemanfaatan pakan terbaik. Metode yang digunakan adalah metoda eksperimen laboratorium berdasarkan Rancangan Acak Lengkap dengan 5 perlakuan dan 3 ulangan. Sebagai perlakuan adalah dosis penggunaan ekstrak terong asam dalam pakan buatan, yaitu B (10 ml/kg pakan), C (20 ml/kg pakan), D (30 ml/kg pakan) dan E (40 ml/kg pakan), dan A (0 ml/kg pakan), sebagai kontrol. Pakan diberikan 3 kali sehari sebesar 5% dari biomassa ikan per hari. Ikan uji yang digunakan adalah benih ikan nila salin berukuran sekitar 3 ± 0.55 cm, berat individu 0.05 ± 0.63 g. Ikan uji ini ditebar dengan kepadatan 1ekor per l kedalam wadah  yang berisi air 5 L, dengan salinitas 20 ppt. Variabel yang diamati dalam penelitian ini adalah pertumbuhan dan efisiensi pemanfaatan pakan ikan nila salin. Data dianalisis menggunakan analisis ragam dan digunakan Uji Tukey untuk mengetahui dosis ekstrak terong asam dalam pakan yang paling efektif untuk meningkatkan pertumbuhan. Hasil penelitian menunjukkan penggunaan ekstrak terong asam dengan dosis berbeda berpengaruh sangat nyata (P≤0.05) terhadap pertumbuhan dan efisiensi pemanfaatan pakan ikan nila salin. Pertumbuhan dan efisiensi pemanfaatan pakan ikan nila salin tertinggi diperoleh pada perlakuan dosis pemberian ekstrak terong asam sebesar 30 ml/kg pakan.Kata kunci: Efisiensi Pakan, Ekstrak Terong Asam, Nila Salin, Pertumbuhan.
PENCAMPURAN BIODIESEL MINYAK JELANTAH DAN SOLAR MENGGUNAKAN METODE ESTERIFIKASI-TRANSESTERIFIKASI BERDASARKAN JUMLAH PEMAKAIAN MINYAK JELANTAH Masri Bin Ardin; Rian Efendi; Husna Aulia Nur Faiz
Jurnal TEDC Vol 12 No 3 (2018): Jurnal TEDC
Publisher : UPPM Politeknik TEDC Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (464.583 KB)

Abstract

Dewasa ini banyak penelitian mengenai pembuatan biodiesel dari minyak jelantah. Belum ada penelitian mengenai penggunaan campuran biodiesel-solar dengan variasi kadar, dengan memperhatikan laju pemakaian bahan bakar tersebut per jamnya pada mesin kompressor. Penelitian ini bertujuan untuk mengetahui laju pemakaian campuran biodiesel-solar dengan variasi kadar pada mesin kompressor, dan juga pengaruh variasi kadar biodiesel-solar terhadap laju konsumsi bahan bakar pada mesin kompressor, serta membuktikan bahwa pencampuran biodiesel-solar mampu menghasilkan bahan bakar yang ramah lingkungan seperti biodiesel dengan karakteristik kimia yang relatif sama seperti solar murni. Penelitian ini menggunakan minyak jelantah sebagai bahan baku pembuatan biodiesel, serta metode esterifikasi– transesterifikasi pada pembuatan biodieselnya. Biodiesel yang dihasilkan akan dibuat variasi sampel berdasarkan campuran solar dengan kadar tertentu, yang diujikan pada mesin kompressor untuk mengetahui laju pemakaian liter bahan bakar per jamnya. Berdasarkan data dari 5 hasil pengujian diperoleh hasil sebagai berikut: Sampel 1 kadar B90 sebesar 1,16667 liter per jam. Sampel 2 kadar B80 sebesar 1,4470588 liter per jam. Sampel 3 kadar B60 sebesar 1,86 liter per jam. Sampel 4 kadar B40 sebesar 1,86 liter per jam. Sampel 5 kadar B20 sebesar 2,58 liter per jam. Dengan kesimpulan, variasi kadar campuran biodiesel-solar berpengaruh pada laju konsumsi bahan bakar pada mesin kompresor. Kata kunci: biodiesel, solar, minyak jelantah, esterifikasi, transesterifikasi
THE CLASH BETWEEN RELIGION, MEDICINE AND LOCAL BELIEFS IN THE SUN TRADITION IN LILINTA VILLAGE, RAJA AMPAT REGENCY Khoirunnisa, Ulfa; Nawir, M. Syukri; Zulihi, Zulihi; Rian Efendi
SANGKéP: Jurnal Kajian Sosial Keagamaan Vol. 7 No. 2 (2024): Social Change and Educational Dynamics in Contemporary Indonesia
Publisher : UIN Mataram dan Asosiasi Sosiologi Agama Indonesia (ASAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/sangkep.v7i2.11252

Abstract

This study aims to describe the 'Sun' (Pamali) Tradition in the Lilinta Community and see the 'Sun' (Pamali) Tradition in Lilinta Village from an Islamic point of view and see the 'Sun' Tradition from a medical point of view. The research location is in Lilinta Village, West Misool District, Raja Ampat Regency. Data were obtained from primary data sources, namely a collection of stories from the community about sun or pamali in Lilinta Village through interviews. The data collection technique used is to go directly to the field to observe and record activities carried out by the community, especially those related to the 'Sun' tradition. The research uses semi-structured interviews, which focus on prepared questions. The results show that the existence of the 'Sun' tradition is to respect the behavior of these animals towards their ancestors. However, regarding the impact that is obtained if violating the 'Sun' from the point of view of Islam and the medical point of view, they are contradictory or have nothing to do with it.
DESKRIPSI KONSEP PERKALIAN SEBAGAI PENJUMLAHAN BERULANG Kulimbang, Elieser; Maniboey , Lidwina C; Rian Efendi
Jurnal Penalaran dan Riset Matematika Vol. 4 No. 1 (2025): April 2025
Publisher : Almeera Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62388/prisma.v4i1.541

Abstract

This study aims to examine the understanding of multiplication as repeated addition among fifth-grade elementary school students in solving multiplication problems. This research is a qualitative descriptive study, as the researcher seeks to describe how students solve problems related to the concept of multiplication operations. The subjects of this study were three fifth-grade students from State Elementary School 2 Abepura, Jayapura City, selected to represent different types or groups of problem-solving approaches related to multiplication operations. The subjects were chosen using purposive sampling, which involves selecting participants based on specific criteria or purposes. The research instruments consisted of a test sheet containing essay questions on multiplication and a flexible interview guide. Data were analyzed through three stages: data reduction, data presentation, and conclusion drawing. The results showed that all three subjects did not understand the concept of multiplication as repeated addition; instead, they relied solely on memorizing multiplication facts.
Peningkatan Kesadaran dan Pengetahuan Mitigasi Bencana Siswa MTs Darul Ma’arif Numbay Melalui Sosialisasi dan Simulasi: Pengabdian Inriyatni Sri Pertiwi Ginting; Fazryani Mazita Torano; Makmum Ashari; Nesliani Paotonan; Mingle A Pistanty; Rian Efendi; Ince Rezky Naing; Fikstif Donal Lintong; Elieser Kulimbang; Rina Ananta Sumawardani Sitepu
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 3 No. 4 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 3 Nomor 4 (April 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v3i4.1274

Abstract

This community service activity aims to increase awareness and knowledge of disaster mitigation among students of MTs Darul Ma’arif Numbay through socialization and disaster response simulation methods. The background of this activity is the high risk of disasters in Jayapura, while the students' preparedness level is still low based on initial observations. The method used is participatory, starting with interactive socialization about the basic concepts of disaster mitigation, types of disasters that potentially occur in Jayapura, and the importance of readiness and appropriate actions when facing disasters. The material is delivered using visual aids and discussions, followed by a disaster response simulation in the form of an earthquake evacuation scenario involving all students. Evaluation is conducted through observations and question-and-answer sessions before and after the activity. The results show a significant increase in students' understanding of mitigation steps and evacuation procedures, as well as the formation of a disaster-aware culture within the school environment. Students become more prepared and responsive in emergency situations and are able to correctly explain mitigation procedures. Additionally, active student involvement in the simulation also enhances enthusiasm and coordination among school members.
Co-Authors Elieser Kulimbang Fazryani Mazita Torano Fikstif Donal Lintong Husna Aulia Nur Faiz Inriyatni Sri Pertiwi Ginting Khoirunnisa, Ulfa Kulimbang, Elieser Makmum Ashari Maniboey , Lidwina C Masri Bin Ardin Mingle A Pistanty Mohammad Bahrus Syakirin Naing, Ince Rezky Nawir, M. Syukri Nesliani Paotonan Rina Ananta Sumawardani Sitepu Tri Yusufi Mardiana Zulihi, Zulihi