Judul: Pemetaan Pola Pergerakan Armada Payang di Teluk Pelabuhanratu
Abstrak: Pelabuhanratu merupakan salah satu basis perikanan tangkap di sebelah selatan Jawa yang memiliki potensi cukup besar dan masih dapat terus dikembangkan. Beragam macam alat penangkapan ikan dapat ditemukan di Pelabuhanratu, salah satu yang dominan yaitu alat tangkap payang. Payang merupakan unit usaha penangkapan yang diusahakan di Pelabuhanratu secara tradisional tetapi dapat menghasilkan tangkapan yang cukup besar. Alat tangkap ini dioperasikan untuk menangkap ikan pelagis dan dalam pengoperasiannya tidak menggunakan alat bantu elektronik untuk dapat mengetahui keberadaan ikan maupun alat bantu navigasi lainnya.
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Judul: Bentuk Geometris Kapal Payang dan Gillnet yang Beroprasi di Teluk Pelabuhanratu, Sukabumi, Jawa Barat
Abstrak: Kapal yang digunakan untuk memanfaatkan sumberdaya perikanan mempunyai karakteristik yang berbeda-beda. Hal ini sangat dipengaruhi oleh jenis alat tangkap yang digunakan, daerah penangkapan, maupun ikan yang menjadi tujuan penangkapan. Kesesuaian antara bentuk geometris badan kapal dengan karakteristik perairan dan penggunaan alat tangkap dapat menunjang keberhasilan proses operasi penangkapan ikan.
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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