Judul: Perencanaan Pembangunan Wilayah Berbasis Perikanan Tangkap secara Terpadu di Kecamaan Tanjung Mutiara Kabupaten Agam Propinsi Sumatera Barat
Abstrak: Pembangunan perikanan tangkap di Kecamatan Tanjung Mutiara membutuhkan sebuah perencanaan secara terpadu agar terjamin keberlanjutan dan kebersinambungan dengan sektor lain di wilayah pesisir. Perencanaan pembangunan perikanan tangkap dimulai dari menentukan peranan, komponen-komponen dan berakhir dengan menghasilkan kebijakan pembangunan perikanan tangkap.
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Judul: Beberapa Aspek Pembangunan Perikanan Laut di Pantai Barat Aceh, Kabupaten Aceh Selatan
Abstrak: Pembangunan subsektor perikanan di Indonesia tidak kalah penting dari pembangunan subsektor tanaman pangan maupun tanaman keras. Dua per tiga Bumi Indonesia terdiri dari air dengan berbagai macam sumber daya perikanan di dalamnya. Analisis tentang pembangunan perikanan laut di Kabupaten Aceh Selatan sangat bermanfaat karena wilayah ini terletak pada daerah yang masih kaya potensi perikanan lautnya sedang pemanfaatannya masih sedikit. Penelitian ini bertujuan untuk mengetahui pola usaha perikanan laut, peranan subsektor perikanan dan program pembangunan perikanan laut di Kabupaten Aceh Selatan. Metoda penelitian merupakan studi kasus di Kabupaten Aceh Selatan dengan responden nelayan, pengolah ikan, pedagang ikan, pejabat pemerintah dan pemuka masyarakat. Pola usaha perikanan laut Kabupaten Aceh Selatan masih tergolong skala kecil. Daerah operasi penangkapan di sekitar pantai, penggunaan tenaga kerja intensif, penanganan hasil kadang-kadang saja menggunakan es dan hasil penangkapan sebagian besar untuk konsumsi domestik. Terdapat 9 jenis usaha penangkapan di Kabupaten Aceh Selatan, yaitu: pukat pantai, pukat cincin, jala, jaring lingkar, jaring klitik, bagan perahu, pancing.
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Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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