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PEMETAAN AIR TANAH MENGGUNAKAN METODE RESISTIVITAS WENNER SOUNDING (Studi Kasus Kampus II Universitas Islam Negeri Maulana Malik Ibrahim Malang) Huda, A.M. Miftahul
Jurnal Neutrino JURNAL NEUTRINO (Vol 3 No 2
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.905 KB) | DOI: 10.18860/neu.v0i0.1645

Abstract

Human is khalifa in this earth, it was presented at Qoran (Al-Fathir: 39). Then the  earth is authority and responsibility of human to saving and managing. Include of that is  aquifer. Aquifer is the water that is available in the throat of geology which permeable. The mapping of aquifer potency is important because it used for developing the collage II Islamic State University Maulana Malik Ibrahim of Malang at Junrejo, Batu. Good water is predicted consume at high level in future. This investigation purposefull to know the place of the potentiality of aquifer in the location of investigation verticality. The method used in this research is Resistivity Geoelectric is an used to investigate the current surface based on stone resistivity. In this  case,  is  used  wenner  sounding  configuration.  potentiality  of  aquifer  in  the location of investigation verticality. At the every measuring using resistivity meter OYO Mc 2119. The result of the survey show if variety of depth and thick layers of aquifer; whit the best potentiality of aquifer at sounding point 2 C C (7° 55' 11,9" LS dan 112° 32' 36,1" BT) in second line. Potency source of aquifer at hight more than 93,8 meter from surface. Then in first line, potency of aquifer is predicted bad. Cross-correlaton of sounding points showed that formation of geology is sands, sand- limestone, clay, and breccia.Kata Kunci: Qoran, Aquifer, Resistivity method of wenner sounding, Potency of Aquifer.
Penggunaan Automated Phase Picking pada Estimasi Hiposenter Gempa Lokal: Studi Kasus Lengan Atas Sulawesi Huda, A.M. Miftahul; Sahara, Ain; Widyaningrum, Yekti
Jurnal Riset Fisika Indonesia Vol 1 No 2 (2021): Juni 2021
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v1i2.2206

Abstract

Hypocenter estimation was carried out in several local earthquake events in the upper arm of Sulawesi Island. The process is carried out by utilizing P and S wave arrival time data obtained through automated phase picking. The Wadati diagram was used to test the feasibility of the data and HYPOINVERSE was used to estimate the hypocenter. Vp/Vs ratio shows varied results and RMS shows poor data picking. These results have an impact on RMS values which are quite high in the estimation of the hypocenter. There was an inverse comparison of the results when viewed through the RMS value between Wadati and HYPOINVERSE. Picking data improvements need to be done in order to get a better estimate.
ANALISA BLENDING SOLAR CN-48 DENGAN PERTADEX CN-53 Megawati, Eka; Rudiyanto, Rudiyanto; Huda, A.M. Miftahul
PETROGAS: Journal of Energy and Technology Vol 1, No 1 (2019): March
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v1i1.10

Abstract

Kualitas bahan bakar Solar ditentukan oleh tinggi rendahnya Cetan Index atau Cetan Number, semakain tinggi kualitasnya akan semakin bagus. Mengingat saat ini penggunaan bahan bakar Solar semakin meningkat dikarenakan harganya lebih efisien, maka untuk menjaga agar tidak semakin meningkat pencemaran udara di sekitar kita akibat gas buang yang dihasilkan perlu ditingkatkan kualitas bahan bakar Solar yang mempunyai Angka Cetan 45 atau Cetan Number 48 yang biasa disebut Solar Subsidi tersebut. Penelitian dengan judul Analisa Blending Solar CN-48 dengan Pertadex CN-53 memiliki tujuan menghasilkan produk Solar CN-51 melalui proses blending dua komponen antara Solar CN-48 dengan Pertadex CN-53. Metode yang dilakukan dengan cara mencampurkan Solar CN-48 dengan Pertadex CN-53 dengan komposisi yang telah dihitung secara teori. Setelah dilakukan proses blending, maka dilakukan pengecekan Distilasi dengan menggunakan alat Distilasi ASTM D-86. Hasil yang diperoleh yaitu menghasilkan produk baru yang teruji secara spesifik, khususnya nilai Cetan. Nilai Cetan yang didapat merupakan hasil dari perhitungan (kalkulasi) matematis. Pengujian menggunakan instrument standard perlu dilakukan, namun secara laboratorium, pengujian yang telah dilakukan sesuai dengan prosedur dan teori yang berlaku. Peningkatan nilai Cetan dapat dengan melakukan pencampuran dua bahan dengan Cetan yang berbeda. Meskipun peningkatan nilai cetan tidak signifikan, dan hanya berada pada rentang dua bahan pencampuran, pada dasarnya proses tersebut telah merubah unsur-unsur mikroskopik pada bahan.