Judul: Rekayasa sistem diagnosa tingkat kesehatan dan kinerja perusahaan agrobisnis/agroindustri berbasis jaringan saraf tiruan dan logika fuzzy
Abstrak: Kegiatan analisis laporan keuangan tidak terlepas dari permasalahan manajeman bisnis. Dalam kegiatan bisnis, selalu dihadapkan pada berbagai persoalan yang memerlukan keputusan yang tepat dan cepat. dalam proses pengambilan keputusan yang baik, peranan model dan informasi sangat penting. Dalam dunia bisnis, keputusan yang benar akan menghasilkan keuntungan laba bagi perusahaan.
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Judul: Rekayasa Sistem Informasi Akuntansi untuk Menilai Efisiensi Agroindustri Orientasi Ekspor
Abstrak: Kinerja suatu industri akan tercennin dari efisiensi penggunaan dana perusahaan. Unhlk menghindari inefisiensi yang berlarut-larut, diperlukan suatu alat bantu yang dapat mendeteksi tingkat inefisiensi sejak dini. Dari analisa laporan keuangan dan analisa posisi keuangan efisiensi sebuah industri dapat dinilai. Penelitian masalah khusus ini membahas pengembangan rancang bangun sistem infonnasi akuntansi lmtuk menilai efisiensi penggtmaan dana bagi agroindustri dengan orientasi produksi untuk ekspor. Pengembangan sistem dimulai dari spesiflkasi sistem yang melakukan identifikasi sistem dan analisa kebutuhan pengguna, rancangan global dan rancangan detail serta prototipe implementasi sistem
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell