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Timbangen Sembiring
Physics Department, FMIPA Universitas Sumatera Utara – Medan Indonesia
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Journal : Jurnal Natural

 1 
COMPARISON OF ENERGY DOSES 10 MV DISTRIBUTION USING PERCENTAGE DEPTH DOSE (PDD) METHOD ON LINAC: ELECTA AND SIEMENS Martha Rianna; Herty Afrina Sianturi; Hariyati Lubis; Awan Pelawi; Timbangen Sembiring; Marhaposan Situmorang
Jurnal Natural Volume 18, Number 2, June 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.173 KB) | DOI: 10.24815/jn.v18i2.11133

Abstract

The patient dosing on Linac (Electa and Siemens) can be determined by Source Surface Distance (SSD) technique using Precentage Depth Doses (PDD) method. The study was conducted by measuring PDD to compare the dosage distribution calculations on Linac Electa and Siemens device of photon energy at 10 MV. PDD is done with a 100 cm SSD technique at a depth of 0 to 25 cm. The dose distribution results between the Electrical and the Siemens PDD are almost the same in that the Dmax at 10 MV Siemens photon energy occurs at a depth of 20 mm while the 10 MV Electa photon energy occurs at a depth of 21 mm. Both Linac Electa and Siemens device this at the same energy of 10 MV there is a difference of 95.23%.Keywords: Distrubusi dose, PDD, Photon Energy, Quality File Index
CHARACTERIZATION OF NATURAL IRON SAND FROM KATA BEACH, WEST SUMATRA WITH HIGH ENERGY MILLING (HEM) Martha Rianna; Timbangen Sembiring; Marhaposan Situmorang; Candra Kurniawan; Eko Arief Setiadi; Anggito P Tetuko; Silviana Simbolon; Masno Ginting; Perdamean Sebayang
Jurnal Natural Volume 18, Number 2, June 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.577 KB) | DOI: 10.24815/jn.v18i2.11163

Abstract

Iron sand is one of the natural resources in West Sumatra that has not been optimally utilized. One of the potential locations to get this iron sand deposits is the coast of Kata. This study aims to analyze the content and size of the iron grains found on the coast of Kata Padang Beach, West Sumatera Province. Coastal sand samples are extracted using permanent magnets to separate magnetic and non-magnetic materials. Characterization of iron sand using Scanning Electron Microscopy with Energy Dispersive X-ray (SEM-EDX) and Vibrating Sample Magnetometer (VSM). The result of characterization using SEM-EDX shows that iron sand samples contain Fe and O elements derived from Phase Magnetite (Fe3O4).  Keywords: iron sand, magnetic materials, SEM-EDX, VSM
COMPARISON OF ENERGY DOSES 10 MV DISTRIBUTION USING PERCENTAGE DEPTH DOSE (PDD) METHOD ON LINAC: ELECTA AND SIEMENS Martha Rianna; Herty Afrina Sianturi; Hariyati Lubis; Awan Pelawi; Timbangen Sembiring; Marhaposan Situmorang
Jurnal Natural Volume 18, Number 2, June 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v18i2.11133

Abstract

The patient dosing on Linac (Electa and Siemens) can be determined by Source Surface Distance (SSD) technique using Precentage Depth Doses (PDD) method. The study was conducted by measuring PDD to compare the dosage distribution calculations on Linac Electa and Siemens device of photon energy at 10 MV. PDD is done with a 100 cm SSD technique at a depth of 0 to 25 cm. The dose distribution results between the Electrical and the Siemens PDD are almost the same in that the Dmax at 10 MV Siemens photon energy occurs at a depth of 20 mm while the 10 MV Electa photon energy occurs at a depth of 21 mm. Both Linac Electa and Siemens device this at the same energy of 10 MV there is a difference of 95.23%.Keywords: Distrubusi dose, PDD, Photon Energy, Quality File Index
CHARACTERIZATION OF NATURAL IRON SAND FROM KATA BEACH, WEST SUMATRA WITH HIGH ENERGY MILLING (HEM) Martha Rianna; Timbangen Sembiring; Marhaposan Situmorang; Candra Kurniawan; Eko Arief Setiadi; Anggito P Tetuko; Silviana Simbolon; Masno Ginting; Perdamean Sebayang
Jurnal Natural Volume 18, Number 2, June 2018
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v18i2.11163

Abstract

Iron sand is one of the natural resources in West Sumatra that has not been optimally utilized. One of the potential locations to get this iron sand deposits is the coast of Kata. This study aims to analyze the content and size of the iron grains found on the coast of Kata Padang Beach, West Sumatera Province. Coastal sand samples are extracted using permanent magnets to separate magnetic and non-magnetic materials. Characterization of iron sand using Scanning Electron Microscopy with Energy Dispersive X-ray (SEM-EDX) and Vibrating Sample Magnetometer (VSM). The result of characterization using SEM-EDX shows that iron sand samples contain Fe and O elements derived from Phase Magnetite (Fe3O4).  Keywords: iron sand, magnetic materials, SEM-EDX, VSM
Co-Authors Achmad Maulana Soehada Sebayang Agung Imaduddin Anggito P Tetuko Anggito P. Tetuko Anggito P. Tetuko, Anggito P. Awan Pelawi Ayu Wahyuni Batubara Candra Kurniawan Cindy Al Kindi Devi Yolanda Simangunsong Eko Arief Setiadi Eko Arief Setiadi Eko Arief Setiadi, Eko Arief Eko Pudjadi, Eko Erna Frida Eva Purwanti Ferry Rahmat A. Bukit Fitri Handayani Fynnisa Zebua Guk-Guk, Herwati Permata Indah Raja Hamid, Muhammadin Hariyati Lubis, Hariyati Herty Afrina Sianturi Herty Afrina Sianturi Hussain, Muhammad Khalid Ivo Andika Hasugian Junedi Ginting M Zidan Davy Marhaposan Situmorang Marhaposan Situmorang Marhaposan Situmorang Marhaposan Situmorang Maria Derani Ester Vania Situngkir Martha Rianna Martha Rianna Martha Rianna Martinez Lumbantobing Masno Ginting Mester Sitepu, Mester Moraidah Hasanah Motlan . Muhammad Syafii Muhammadin Hamid Nimpan Bangun Perdamean Sebayang Perdamean Sebayang Perdamean Sebayang Pius Sebleku Rahmadsyah Rahmadsyah Rita Juliani Sianturi, Herty Afrina Silviana Simbolon Simamora, Berto Simamora, Widya Simatupang, Robin Sitorus, Kurnia Jesiska Sitorus, Meida Syahrul Humaidi, Syahrul Tarigan, Kerista Tua Raja Simbolon Wina Rahmadani Rangkuti Yoga Pratama Zuriah Sitorus