Judul: Analisis biaya-volume-laba sebagai alat pengambilan keputusan taktis dalam perencanaan manajerial: studi kasus usaha budi daya udang galah Mitra Gemah Ripah Karangpawitan Kabupaten Garut
Abstrak: Garut merupakan salah satu kabupaten yang terletak di Provinsi Jawa Barat bagian selatan, memiliki luas wilayah sebesar 306.519 Ha. Kota Garut yang dikelilingi oleh gunung vulkanik membuat kandungan tanah kaya akan zat hara, sehingga sangat berpotensi untuk melakukan pengembangan usaha di bidang pertanian termasuk didalamnya potensi perikanan dan kelautan yang cukup luas. Dilihat dari bidang perairan khususnya bidang air tawar, kandungan air tawar di Garut terbilang gembur karena banyak mengandung unsur hara dan bebas limbah, sehingga tak sedikit orang yang mengembangkan usaha di bidang air tawar. Salah satu usaha bidang air tawar yang mulai dikembangkan oleh masyarakat Garut adalah usaha budi daya udang galah.
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Judul: Kontribusi perikanan tangkap terhadap pertumbuhan ekonomi wilayah Kabupaten Garut, Jawa Barat
Abstrak: Kabupaten Garut mempunyai potensi sumberdaya perikanan laut yang mencapai 10.000 ton/tahun. Sumberdaya tersebut berpotensi memberikan pendapatan yang relatif besar bagi pemerintah daerah dan masyarakatnya. Hanya saja sumberdaya tersebut belum dimanfaatkan secara optimal. Penelitian ini bertujuan untuk menentukan kontribusi sektor perikanan tangkap terhadap pertumbuhan wilayah dilihat dari segi pendapatan dan tenaga kerja serta merumuskan strategi pengembangan perikanan tangkap di Kabupaten Garut.
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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