Judul: Analisis finansial usaha warung tenda ayam goreng kalasan Pak Jhon Bintaro-Kodam, Jakarta Selatan
Abstrak: The aims of this research are to know business management also to analyze Earning After Tax (EAT) and financial condition of "warung tenda Pak Jhon" Kalasan fried chicken Bintaro-Kodam, South Jakarta. This research was conducted on April 2006 and used primary and secondary data. Data analysis include descriptive analysis, income analysis, Break Even Point (BEP) analysis and financial ratio analysis. Based on income analysis result, "warung tenda Pak Jhon" was get Rp 308.445,44 for losing after tax on April 2006. Although the income statement shows that "warung tenda" business was have a loss but the owner have earned Rp 1.000.000,00 per month. So that, "warung tenda" business was still giving profit for the owner. Break Even Point (BEP) of "warung tenda" in rupiah was Rp 21.074.441,Ol. The income of "warung tenda" sales was Rp 20.018.500,OO and still under BEP, it shows "warung tenda" business was have a loss. On the other hand;all of menu which produce was still under sales value on BEP, in rupiahs also units. Based on liquidity ratio and solvability shows that "warung tenda" business was very liquid and solvable, and rentability ratio of "warung tenda" on April 2006 was goodless.
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Judul: Analisis finansial usaha warung tenda pecel lele di Kota Bogor
Abstrak: Salah satu usaha kecil atau usaha keluarga yang bersifat informal dan didukung dengan ketersediaannya ikan lele sebagai bahan baku lokal serta lokasi kota Bogor sebagai kota singgahan (transit) adalah usaha warung tenda pecel lele. Pecel lele merupakan produk olahan perikanan berupa ikan lele yang digoreng dan disajikan bersama nasi, samba1 dan lalapan. Makanan ini nierupakan makanan khas yang berasal dari daerah Jawa Timur, yaitu Surabaya dan Lamongan. Namun, hidangan yang lebih popular di masyarakat adalah pecel lele yang berasal dari Lamongan.
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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