Judul: Studi of integrated agroindustry and agrotourism development in Kali Bekasi watershed. Bogor district
Abstrak: Integrated of agroindustry and agrotourism is needed to develop the rural economics in Kali Bekasi watershed. The research objective was to develop a sustainable integrated system of agroindustry and agrotourism. The metodhs used for this study include analytical hierarchy process (AHP), bayes method, and exponential comparison method (ECM). The results showed that top upstream watershed of Kali Bekasi was selected as the best location for the project. Five products of agroindustry, namely rice flour, tapioca, bamboo furniture, banana chips, and ground coffee were selected as the priority products to be developed with three scenarios of tourist attractions, namely cultivation, harvesting/post-harvesting, and processing. The integration project is economically feasible with IRR of 31 percent, Net B/C of 1.95, and the total revenue from all tourist attractions of Rp. 36, 905,000.- per week. The weekly value added of agroindustry for each tourist attraction were Rp. 11.760.000.-, Rp. 12.546.000.-, and Rp. 12.563.000.-, respectively. The involvement of stakeholders including farmer associations, NGO, local youth organization (Karang Taruna), financing institution, SMEs, and local government is essentially required to implement this project with a community-based development approach.
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Judul: Studi Pengembangan Wisata Agro Berkelanjutan (Kasus Agrowisata Bina Darma Di Kabupaten Ogan Ilir Sumatera Selatan)
Abstrak: Tourism is one of the sources of economy development which is growing so fast now. The kind of tourisms which has the big potential to develop is agro tourism. One of them is an Agro Wisata Bina Darma. Yet, it has not been developed fully and utilised optimally up to now, so we need to do the study about the study on the sustainable development of agrotourism, the case is taken in Agrowisata Bina Darma. The purpose of the research is to estimate the carrying capacity, prefeasibility on economy in the developing in Agrowisata Bina Darma and formulating the sustainable agro tourism in Agrowisata Bina Darma. The result of analysis on economy prefeasibilty determines that Agrowisata Bina Darma is deserved to be developed sustainably either to scenarios on managing each tourist area or roundtrip ticket. The carrying capacity to develop Agro Wisata Bina Darma is still good. Analytical Hierarchy Process (AHP) shows that appropriate strategy (prime priority) to develop Agro Wisata Bina Darma is the sustainable strategy to increase promotion about Agro Wisata Bina Darma. The recommendation which is proposed that the organiser can increase an extra hour visit for each guest for tourist objects which have limited hour if there is an increase significantly on visitors.
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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