Judul: RPi.EIT: Purwarupa Rekonstruksi Citra pada Electrical Impedance Tomography Berbasis Internet of Things
Abstrak: Salah satu teknik pencitraan tomografi adalah electrical impedance tomography (EIT). Keunggulan EIT dari teknik tomografi lainnya yaitu lebih murah, sederhana, cepat, dan aman digunakan. Penelitian ini bertujuan menerapkan konsep Internet of Things (IoT) untuk rekonstruksi citra pada sistem EIT. Hasil pengukuran sebuah objek melalui perangkat EIT merupakan adjacent matriks berukuran 208 x 1 data tegangan yang diperoleh dari peneliti lain. Proses utama rekonstruksi citra terbagi menjadi dua permasalahan yaitu forward problem dan inverse problem. Forward problem bertujuan menentukan distribusi tegangan dari adjacent matriks, sedangkan inverse problem bertujuan menentukan gejala konduktivitas atau resistivitas di setiap mesh atau piksel dalam objek dan menampilkannya dalam plot warna. Citra EIT ditampilkan melalui web interface sehingga memudahkan pengguna dalam memprediksi gejala resistivitas objek yang diukur. Proses rekonstruksi citra meliputi data adjacent matriks dari perangkat EIT, forward problem, inverse problem, dan web interface diintegrasikan melalui internet.
Keyword: EIT, forward problem, inverse problem, IoT, rekonstruksi citra, web interface

Judul: Rancang Bangun Perangkat Electrical Impedance Tomography 2 Dimensi dengan Model Objek Phantom Resistor
Abstrak: Penelitian ini bertujuan merancang perangkat EIT yang bersifat noninvasive, murah, sederhana, cepat, dan tidak menimbulkan radiasi. Distribusi tegangan pada phantom resistor diukur menggunakan metode bersebelahan dengan cara menginjeksikan arus 7.5 mA pada sepasang elektroda dan mengukur tegangan pada pasangan elektroda lainnya. Pengukuran tersebut menghasilkan 16 x 13 adjacent matriks atau 208 data tegangan yang akan direkonstruksi melalui software pyEIT. Perangkat EIT dapat digunakan untuk memprediksi adanya anomali atau struktur internal suatu objek. Hal tersebut dibuktikan dari hasil rekonstruksi citra yang dapat menggambarkan gejala resistivitas struktur internal suatu phantom yang telah dibuat. Namun, perangkat EIT ini tidak dapat dikalibrasi menggunakan data tegangan phantom resistor. Kalibrasi harus dilakukan dengan cara mencitrakan phantom tersebut melalui software pyEIT yang telah dibuat.
Keyword: citra, perangkat EIT, phantom, pyEIT, resistivitas

Judul: Biology and ecology of the buffalo fly, haematobia exigua de meijere (diptera:muscidae)
Abstrak: The life history of the buffalo fly was observed at room temperature of 27°-29.5°C and at a relative humidity of 48-68 percent. The eggs hatched after 17-22 hours, with an average of 18 hours. First instar larvae measured 1.25 + 0.16 mm long and 0.27 + 0.037 mm wide. reach the second larval stage. It took 6-12 hours to the second instar larvae measured 2.676 +0.187 mm long and 0.353 +0.028 mm wide. The second instar took about 12-24 hours to reach the third larval stage. The third instar measured 6.833 + 0.189 mm long and 0.919 + 0.051 mm wide. It took about 2-3 days for the third instar to become pupae. Duration of the pupal stage was about 5-7 days before the adults emerged. Under laboratory condition, the buffalo fly completed its life cycle in 9.5 to 10.5 days, whereas under field condition it took 9-14 days with an average of 10.5 days. The growth ratio which was based on the measurements of the cephalo-pharyngeal skeleton of each instar was 1.797. The preoviposition period was 8-12 days and mating usually occurred on the 6th or 7th day. The longevity of the male was 29 days, whereas it was 32 days in the female. The range of egg production under laboratory condition was between 20-139 per female fly. The belly and hind legs of the carabao were the most preferred habitat either during cloudy and cool dry or shiny and warm day. When the weather was clear and the carabao was in the shade, the flies tended to be more distributed particularly on the shoulder, dewlap, back and horns. The carabaos had relatively fewer Musca sp. and Stomoxys calcitrans than cattle; never the less carabaos had a higher infestation of buffalo fly than cattle. Oviposition occured either during the day or night but the buffalo flies were more active during the night than in the day time. The effect of various lengths of exposure time of manure in relation to the oviposition was profound. observed, the maximum number of the buffalo flies was occurred when the dung was exposed for 30 minutes. With increasing time of exposure the number and variety of insects also increase. It was evident that Sepsidae and psychodidae were the most dominant insects emerging from the dung. The number of buffalo flies also increased with increasing
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