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All Journal Jurnal Teori dan Aplikasi Fisika Jurnal Geuthee
Z Zulfalina
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Astronomy Education Electrical & Electronics Engineering Energy Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences

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Analisa Pengaruh Pati Biji Durian Durian (Durio Zibethinus) Sebagai Bahan Pengisi Terhadap Sifat Mekanik Dan Biodegradasi Komposit Matrik Polipropilena (PP) I Irhamni; Masitah Salim Rambe; Z Zulfalina; R Rahmi
Jurnal Teori dan Aplikasi Fisika Vol. 2 No. 2 (2014): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v2i2.57

Abstract

Optimalisasi Variasi Komposisi Batu Kapur Lhoknga Aceh Besar sebagai Bahan Baku Material Dental Gipsum Z Zulfalina; N Nazaria; I Irhamni
Jurnal Teori dan Aplikasi Fisika Vol. 4 No. 1 (2016): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v4i1.102

Abstract

Optimalisasi variasi komposisi kapur Lhoknga sebagai bahan baku untuk bahan gypsum gigi telah berhasil diteliti. Penggunaan batu kapur dari Lhoknga, Aceh Besar untuk penelitian ini adalah alternatif sebagai bahan baku untuk bahan gypsum gigi. Penelitian ini dilakukan untuk mengoptimalkan variasi komposisi kapur sesuai dengan spesifikasi dari American Dental Association (ADA 25) sebagai data acuan bahan gysum gigi. Proses pembuatan sampel dilakukan berdasarkan standar ISO 6873-1998 dengan komposisi dan variasi rasio bubuk dan air (A/K2B dan A/K3B). Sampel diuji dengan menggunakan perangkat Vicat, dan kuat tekan mereka diuji dengan menggunakan merek mesin uji 3R (Recherches & Realisasi Remy) tipe 8200. Hasil tes pengaturan waktu menunjukkan bahwa sampel A/K3B dengan rasio komposisi adalah 0,45 memiliki variasi yang optimal untuk memenuhi pengaturan waktu selama 5 menit. Uji kuat tekan menunjukkan bahwa nilai kekuatan adalah 4,07 MPa yang memenuhi standar American Dental Association (ADA 25) untuk tipe I dari bahan gypsum gigi.
Aquifer identification by using induced polarization method in Lampineung Area, Aceh Besar Puspita Puspita; Muhammad Isa; I Irhamni; Z Zulfalina; G Gunawati
Jurnal Geuthèë: Penelitian Multidisiplin Vol 9, No 2 (2026): Jurnal Geuthèë: Penelitian Multidisiplin
Publisher : Geuthèë Institute, Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/jg.v9i2.468

Abstract

Aquifer availability is an important issue in supporting clean water needs, Particularly in coastal areas with limited access to adequate water resources. Residents in the Lampineung area, Aceh Besar Regency, still rely on shallow wells with brackish and less suitable water quality for daily consumption. This study aims to identify aquifer layers in Lampineung Village using the Induced Polarization (IP) geoelectrical method with the Wenner–Schlumberger configuration. Data acquisition was conducted through two survey lines followed by subsurface modeling using Res2Dinv software to obtain chargeability distribution. The results indicate variations in chargeability values associated with differences in lithological characteristics beneath the surface. Low chargeability zones are interpreted as water-saturated layers with relatively good permeability, indicating potential aquifer presence. In contrast, high chargeability values are associated with more compact lithological units or clay-rich materials. The interpretation suggests that aquifer zones in the study area are distributed at several depths with varying groundwater potential. This study demonstrates that the Induced Polarization method effectively identifies subsurface aquifer characteristics and provides scientific information for groundwater exploration in Lampineung.
Co-Authors G Gunawati I Irhamni Masitah Salim Rambe Muhammad Isa N Nazaria Puspita Puspita R Rahmi