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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Teori dan Aplikasi Fisika
Dwi Asmi
universitas lampung
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Materials Science & Nanotechnology Medicine & Pharmacology Physics Other

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PENGARUH SUHU PADA EKSTRAK DAUN CINCAU HIJAU (CYCLEA BARBATA MIERS) SEBAGAI INHIBITOR KOROSI BAJA PEGAS DAUN intan hani saputri; Ediman Ginting; Dwi Asmi
Jurnal Teori dan Aplikasi Fisika Vol 6, No 2 (2018): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v6i2.1848

Abstract

This study aims to determine the extract of green cincau leaves (Cyclea Barbata Miers) as a corrosion inhibitor soaked in 3% NaCl corrosive medium. To determine the effect of concentration and temperature to connect steel, the average inhibitor is 0, 2, 4, and 6% and each temperature is 40  and 80 . To find out the measurements done by the method, save weight. Corrosion rate at immersion temperature is 40  lower than speed at 80  immersion temperature. To find out the phase formed and the structure of the sample in XRD and SEM-EDS characterization. The X-Ray Diffraction (XRD) characterization results show that the phase formed is pure Fe. XRD results showed that the lowest Fe peaks were formed on samples without inhibitors at 80 .The results of SEM characterization of PGDaun-80-6 steel also showed that it looked more corroded, and the PGDaun-40-2 sample looked slightly corroded. This result is reinforced by the percentage of corrosion products shown in the EDS results
Synthesis of Superconductor Bi1,6Pb0,4Sr2Ca2Cu3O(10+x) for Meissner Test Demonstration Using Solid Reaction Method Liyana Mardova; Amilia Rasitiani; Dwi Asmi; Leni Rumiyanti; Sigit Dwi Yudanto
Jurnal Teori dan Aplikasi Fisika Vol 8, No 2 (2020): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v8i2.2592

Abstract

The research has been done in the field of Field Work Practice to synthesize superconductors Bi1,6Pb0,4Sr2Ca2Cu3O10+x for Meissner test using solid reaction method. The objective of this research is to make superconductor Bi1,6Pb0,4Sr2Ca2Cu3O10 x with solid reaction method and to know the result of superconducting character of Bi1,6Pb0,4Sr2Ca2Cu3O10 +x based on Meissner test. From the results of Meissner test that has been done on this superconductor sample looks super magnet and superconductor repel each other rejects or super magnet drift.Sehingga it can be concluded that the sample has a strong Meissner effect. From the results of Tc test using cryogenic tools obtained Tc Zero temperature of 103.4 K and Tc Onset of 116.67 K. From the data obtained it can be concluded that the sample has reached phase 2223.
EDUKASI PEMBUATAN SOUVENIR WISATA BERBASIS SEASHELL-RESIN BAGI MASYARAKAT PESISIR TERDAMPAK TSUNAMI DI DESA KUNJIR RAJABASA LAMPUNG SELATAN dwi asmi; Adriyansah Adriyansah; Ismono Hadi
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol 6 No 2 (2022)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v6i2.355

Abstract

Kegiatan edukasi dalam pembuatan souvenir wisata berbasis seashells-resin di Pantai Mahani Kunjir Lampung Selatan bertujuan untuk melatih dan mendampingi masyarakat pesisir terdampak tsunami Selat Sunda 2018, khususnya anak-anak muda yang tergabung dalam Kelompok Sadar Wisata (Pokdarwis) Bina Remaja agar pengetahuan dan keterampilannya dalam pembuatan souvenir unik sebagai icon desa wisata dapat ditingkatkan dan dikembangkan. Metode yang digunakan dalam kegiatan pengabdian ini adalah pendekatan berbasis masyarakat melalui kegiatan edukasi, pelatihan dan pendampingan, serta monitoring dan evaluasi. Produk souvenir seashell-resin berbentuk kerang, ikan, udang, dan kuda laut baik untuk gantungan kunci maupun fridge-magnet telah berhasil dibuat dalam kegiatan ini. Selain itu produk hybrid cangkang kerang, batu karang dan resin juga telah berhasil dibuat. Indikator keberhasilan kegiatan ini ditunjukkan dengan adanya peningkatan yang signifikan sebesar 85 % dalam pengetahuan, 85 % dalam keterampilan praktek, dan 86 % dalam produk. Produk wisata souvenir seashell-resin yang dihasilkan dari kegiatan pengabdian ini dijadikan sebagai icon souvenir Pantai Mahani desa wisata Kunjir
Co-Authors Adriyansah Adriyansah Amilia Rasitiani Ediman Ginting intan hani saputri Ismono Hadi Leni Rumiyanti Liyana Mardova Sigit Dwi Yudanto