Judul: Analisis pendapatan usaha ternak ayam broiler "sunan kudus farm" di unit farm Jasinga dan gunung bunder kabupaten Bogor Jawa Barat
Abstrak: The aims of this research were : (1) ti identify the component of cost and revenue of Sunan Kudus Farm (SKF) in Jasinga and Gunung Bunder Farm, (2) to calculate the income that will be received by SKF in Jasinga and Gunung Bunder Farm (3) to calculate the value of R/C ratio and ROI that received by SKF in Farm Jasinga and Gunung Bunder units and (4) to calculate break Even Point from SKF in Jasingan and Gunung Bunder Farm.
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Judul: Analisis kelayakan finansial pengembangan usaha peternakan ayam broiler sunan kudus farm kabupaten Bogor Jawa Barat (studi kasus di lokasi Jasinga farm kecamatan Jasinga, Bogor)
Abstrak: The aim of this research were: (1) to describe broiler farm management, (2) to identify components of production cost, (3) to identify components of revenue, (4) to analyze feasibility and sensitivity condition based on financial analysis of Sunan Kudus Farm (SKF) in Jasinga farm. This study held on December 2006 until Januari 2007 at Sunan Kudus Farm in Jasinga Farm Bogor Regency, Jawa Barat. The analysis include Net Present Value (NPV), Internal Rate of Return (IRR), and sensitivity analysis.
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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