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All Journal POSITRON Jurnal Sains dan Teknologi Gravitasi JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Jurnal Fisika FLUX Indonesian Physical Review

Abdullah, Bualkar

Departement Of Physics, Hasanuddin University, Makassar, 90245 Indonesia

Author-ID : 871589

Astronomy Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Physics

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Studi Uji Kesesuaian Selisih Lapangan Kolimasi pada Pesawat Mammografi Analog dan Digital Fitriani Fitriani; Bualkar Abdullah; Dahlang Tahir
Jurnal Fisika FLUX Vol 16, No 2 (2019): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Study of collimation field difference suitability test on analog and digital mammography at leading hospital in Makassar from 2016-2018. This test was carried out by using four coins of the same size placed on the edge of the collimator lamp field, one different size coin was placed on the table edge of the chest wall section, and one coin was placed on the surface under the compression pedal to coincide with the edge of the chest wall. The results of the p value obtained for each measurement point, both for the difference of the light collimation field toward the X-ray beam and the difference of X-ray beam collimation field toward image receptor have the same value of 0.000 (p < 0.05). This value states that there are significant differences in the collimation field difference from 2016-2018. The results of collimation field difference suitability test on analog and digital mammography are still within the tolerance limits recommended by BAPETEN, for the difference of the light collimation field toward X-ray beam ≤ 1% SID and the difference of X-ray beam collimation field toward image receptor ≤ 2% SID. This shows that mammography is feasible and able to operate safely for patients and non-patients.

Fabrikasi Bahan Penyerap Gelombang Elektromagnetik Berbasis CuC Hendri Hendri; Bualkar Abdullah; Dahlang Tahir
Jurnal Fisika FLUX Vol 15, No 2 (2018): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Fabrikasi bahan penyerap gelombang elektromagnetik berbasis CuC telah dilakukan. Tembaga Karbon (CuC) diolah dengan metode kompaksi/pemadatan, karakterisasi dilakukan dengan menggunakan XRD, FTIR dan VNA. Penyerap gelombang elektromagnetik (reflection loss (RL)) diperoleh pada rentang -17,73 dB hingga -24,94 dB. Nilai RL dipengaruhi oleh konsentrasi karbon aktif (AC). Spectrum RL terbaik diperoleh pada frekuensi 4 GHz – 5 GHz.

Co-Authors Abdul Samad, Bannu Ajeng Anggreny Ibrahim Anak Agung Gede Sugianthara Arifin Arifin, A Aswad Aswad Dahlang Tahir Dahlang Tahir Danti, Trisna Elma Fauziah Fauziah Fauziah Fauziah Fitriani Fitriani Halmar Halide Hendri Hendri Lebang, Annamaintin Kobong Lestari, Ebiet Wanda Megastin M. Lumembang Nurhidayah

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