Judul: Studi ukuran tubuh kerbau (Bubalus bubalis) di beberapa wilayah di kabupaten Lebak, provinsi Banten
Abstrak: The huge number of buffalo population in Lebak district, province of Banten is promizing to be developed, especially to support meat sustainability program Buffalo in Lebak district produce 85,5% of meat. Buffalo also important as source of draught power and manure as fertilizer. Unfortunally, this potential animal has not been utilized optimally. Limited information about characteristics and management of nourhising contribute to the condition. This study was conducted in order to fill the need of that information.
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Judul: Phenotypic characteristic and production system of buffalo (Bubalus bubalis) as a basis for the development of a village breeding program in Banten
Abstrak: Keberadaan kerbau rawa di Provinsi Banten sedemikian rupa telah menyatu dengan kondisi sosial dan budaya masyarakat setempat. Perannya dalam kehidupan sehari-hari adalah sebagai ternak kerja untuk membajak sawah, sumber daging dan tabungan. Mengingat peran kerbau rawa bagi kehidupan peternak di Provinsi Banten sangat penting, maka diperlukan upaya-upaya peningkatan dan pelestarian kerbau yang berkelanjutan. Penelitian ini dilakukan untuk mengetahui keragaman fenotipe melalui analisis morfometrik, mempelajari pengetahuan, motivasi dan partisipasi peternak dalam kegiatan pemuliaan kerbau, dan menyusun pola pemuliaan kerbau pada peternakan rakyat di Banten. Metode penelitian yang digunakan adalah survey. Penentuan sampel berdasarkan purposive sampling sehingga penelitian ini dilakukan di Kabupaten Serang, Pandeglang dan Lebak. Materi penelitian yang digunakan adalah 300 ekor kebau rawa dewasa dan 60 orang responden peternak kerbau di Kabupaten Serang, Pandeglang serta Lebak Provinsi Banten. Data yang dihimpun merupakan data primer. Data sekunder terdiri atas 100 ekor kerbau rawa Aceh Besar, 99 ekor kerbau Hulu Sungai Selatan, 50 ekor kerbau Pleihari, 39 ekor kerbau Dompu, 40 ekor kerbau Hu’u, 40 ekor kerbau Kempo, 40 ekor kerbau Pajo, dan 40 ekor kerbau Woja. Data sekunder berasal dari data penelitian peneliti pada kerjasama kemitraan penelitian pertanian dengan perguruan tinggi (KKP3T) pada tahun 2007, digunakan pada penentuan jarak genetik antarpopulasi kerbau rawa Indonesia.
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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