Judul: Analysis fisheries development soma pajeko (mini purse seine) in tidore water
Abstrak: Small pelagic fisheries abundant in Tidore waters, but it has not been optimally utilized due to low productivity of existing fishing fleet mainly soma pajeko (mini purse seine) the objectives of this research are : (1) To identifying production factor from of mini purse seine fisheries in Tidore water; (2) To determine optimum level for effort and to identify feesibility spect of the business of fisheries in Tidore Water; (3) To formulate some recommendation to be optimal of production factor which the sharing. Survey and field observation were carried out promoting optimum production and Cob-Douglass analysis was used to determine relationship of production factors with the production of mini purse seine, common between financial analysis the masure feesibility and SWOT analysis to determine development strategis. The significant factor production of soma pajeko (mini purse seine) in Tidore water, are number of crews (ABK) and length of the net. The fisheries soma pajeko (mini purse seine) in Tidore water is feasible, the NPV (Net Present Value) Rp 58.816.414, the IRR =26,32 percent, and the net B-C ratio = 1,17. The development fisheries of soma pajeko faces some problem, fish landing-place (TPI) and SPDN (solar packet dealer for sailor) lack of poper.
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Judul: Perikanan Mini Purse Seine Berbasis Rumpon Di Kabupaten Maluku Tenggara
Abstrak: Mini purse seine is one kind of fishing gear that is efficient. The problem is decrease in the number of mini purse seine since 2010. Therefore conducted research on productivity and effort of mini purse seine. This research was conducted in Sathean, Southeast Moluccas Distric. The purposes of this research are: to describe mini purse seine fisheries; to analyze the status of fisheries resources; and to calculated feasibility of mini purse seine. The methods were used in this research: technique and economical feasibility. The result showed that: the construction mini purse seine in Southeast Moluccas Distric consist of bunt, nets, buoys, ropes, sinkers, purse line, rings and selvedge. The value of Revenue-Cost Ratio is 1,16. The value of Payback period is 3,37 years and the value of Return on Investment is 29,69%. Fish Aggregating Device (FAD) is one kind of an auxiliary gear to catching fish in the shallow and the deep sea waters. The installation was to attract schooling of fish to gather arround FAD, so that fish easily to be captured. Fish Aggregating Device (FAD) is one kind of an auxiliary gear to catching fish in the shallow and the deep sea waters. The installation was to attract schooling of fish to gather arround FAD, so that fish easily to be captured. The used of FAD as auxillarry gear technically feasible because appropiate with the technical criteria of FAD.
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Judul: Transisi Fasa Materi Hadronik ke Materi Kuark pada Inti Bintang Neutron.
Abstrak: Bintang neutron terdiri dari beberapa lapisan yang disusun oleh materi nuklir yang berbeda dengan kerapatan yang semakin tinggi ketika mendekati pusat bintang. Inti luar bintang neutron disusun oleh materi hadronik (nukleon, lepton, dan hyperon), sedangkan inti dalam bintang neutron disusun oleh kuark-kuark bebas (up, down, strange) yang saling berinteraksi. Tujuan penelitian ini adalah mempelajari bagaimana transisi dari inti luar ke inti dalam bintang neutron dengan menggunakan pendekatan RMF (Relativistic Mean Field) untuk materi hadronik dan CIDDM (Confined Isospin Density Dependent Mass) untuk materi kuark. Tekanan transisi diperoleh ketika potensial kimia barion materi hadronik dan materi kuark bernilai sama. Nilai tekanan transisi dengan parameter SU6-TM1 sekitar 87 MeV/fm3 dan diperoleh massa maksimum bintang neutron yaitu 1.92M dengan jari-jari sekitar 8.62 km. Nilai tekanan transisi dengan parameter SU6-G2 sekitar 53 MeV/fm3 dan massa maksimum bintang neutron yaitu 1.88M dengan jari-jari sekitar 8.16 km. Jenis transisi fasa adalah orde satu ditandai dengan diskontinuitas dalam kerapatan energi (adanya mixed phase). Parameter-parameter pada model nuklir yang digunakan menyebabkan perbedaan kekakuan persamaan keadaan (EOS) dari materi hadronik dan materi kuark sehingga nilai tekanan transisi dari fasa hadronik ke fasa kuark juga berbeda.
Keyword: bintang neutron, persamaan keadaan, transisi fasa