Judul: Analisis Perencanaan Laba Jangka Pendek dan Prospek Usaha Ayam RAs Pedaging (Studi Kasus di Peternakan "X", Kabupaten Pandeglang)
Abstrak: Tujuan dari penelitian ini adalah (1) menganalisis struktur biaya dan penerimaan Peternakan “X”, (2) menganalisis perencanaan laba jangka pendek Peternakan “X” dan (3) menganalisis prospek usaha peternakan “X” dimasa mendatang. Penelitian berlangsung mulai bulan Maret – April 2006 di Peternakan ”X”, Desa Citalahab Pandeglang. Penelitian ini didesain sebagai studi kasus yang bersifat deskriptif analitis. Data yang diperoleh dianalisis dengan analisis peramalan komponen anggaran, analisis perencanaan laba jangka pendek dan analisis sensitifitas. Hasil penelitian menunjukan metode terbaik untuk peramalan produksi, harga pakan dan harga jual ayam broiler yaitu metode rata-rata bergerak linear, sedangkan harga DOC dengan menggunakan metode pemulusan eksponensial tunggal pada α = 0,7, kemudian dilanjutkan dengan metode smoothing (pemulusan) eksponensial linear dari Brown. Pemilihan metode tersebut didasarkan pada pola data dari periode sebelumnya, nilai MSE (Mean Square Error) dan nilai MAE (Mean Absolut Error) yang terkecil.
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Judul: Analisis perencanaan laba jangka pendek dan prospek usaha ayam ras pedaging studi kasus di Peternakan "X", Kabupaten Pandeglang
Abstrak: The entrepreneur of broiler business has to realize the opportunity and threat of the future. Known the fix cost and variable cost which will give the impact to output volume is necessary. These information are for business analysis and future profit orientation. The aims of this research are: (1) To analyze cost structure and revenue of Peternakan “X”, (2) To analyze short term profit planning of Peternakan “X”, (3) To analyze business prospect of Peternakan “X” in the future. This research was carried out at Citalahab Pandeglang District during March until April 2006. Data analysis are consist of budget forcasting analysis, short term profit planning analysis and sensitivity analysis. Peternakan “X” has variable cost structure which higher than fix cost. It is caused by the use of feed cost reaches 73,089% from total variable cost. The revenue of Peternakan “X” is comes from broiler, chaff and bag sock sales also mortality and FCR incentives. The result of short term profit planning shows: (1) The lowest break even point value is occurred on period 15, that is Rp 56.085.895,90 (2) The highest margin of safety is occurred on period 15, that is 88,27% (3) The highest shut down point is occurred on period 18, that is Rp 28.551.388,80 (4) Degree of operating leverage is 1,1 times, (5) The highest contribution margin is occurred on period 15, that is Rp 63.028.437,00. That value is very small if it is compared to the amount of revenue which has happened in Peternakan “X”. This situation shows good business opportunity to the future.
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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