Judul: Design for management of capture fisheries base on fishing vessel registration system in Aceh Province
Abstrak: In Indonesia fishing vessel registration is handled by two different institutions, namely the ministry of transportation (at the province/district level is represented by the Harbor Master / Transportation Agency) and the ministry of maritime affairs and fisheries (at the province/district level is represented by the Marine Fisheries Agency). In general, the implementation of these activities often markdowns conducting, high cost, taking long time document process, unregistered in Jakarta, and uncomputerize. Research on the fishing vessels registration is very important to anticipate the markdown practices and high costs. The purpose of this study is to design the management of capture fisheries base on integrated fishing vessels registration system, by computerized data base system as well as integration between the agencies involved in the registration. The research conducted from September 2008 until December 2009 in several district in Aceh Province. The method in this study were (1) collecting Primary data directly in the field and verificating the vessels especially under 30 GT, (2) using systems analysis and institutional analysis for both involved agency (3) using HUBLA and Nomura formula for the Gross Tonnage (GT) calculation of vessel. The conclusion of this study were: (1) the design of integrated management of fishing vessel registration was proved can eliminate the practice of markdowns effectively, (2) computerized data base system was proved can speed up the process of vessel document publication,(3) To facilitate the re-registration, system was supported by on line fishing vessel registration information system (SIRKI), so stake holder can get information i.e : the vessel process, ownership, dimension and fishing gear, (4) The integrated fishing vessel registration can be used as a baseline for the capture fisheries management.
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Judul: Rancang Bangun Sistem Pendataan Perikanan Tangkap di Kabupaten Sukabumi, Jawa Barat
Abstrak: Good data collection system is important factor in gaining an efficiency that will create an advantage, especially on fisheries data collection. However, fisheries data collection system in Sukabumi is still very simple and done with the manual system. Seeing the potential of Sukabumi fisheries, we need a system design of effective and efficient data collection in order to improve the performance of any part of the ports in Sukabumi. This study aimed to design a system of web-based fisheries database that can be accessed by any institution in Sukabumi and can be used as consideration in decision-making on fishery policy in Sukabumi. The analysis used is the development of a system that aims to produce an effective operating system based on the information needs of the user by using My SQL (Structure Query Language) and PHP (Hypertext Processor). The results of the analysis have shown that the fisheries data collection system can be identified on data of Sukabumi into 10 parts, production, ports, fishing, boats, type of boats, fishing gear, kind of catch, KUB (Joint Business Group), fisheries enterprise and managing user menu. The web-based application data management process is expected to be more structured and more efficient so as to support the fishing activities in Sukabumi.
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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