Judul: Analisis Sistem Pada Operasi Kapal Huhate di PT East Indonesia Fishery
Abstrak: Penelitian ini merupakan studi deskriptif-preskriptif terhadap sistem operasi kapal huhate ( pole and line ). Dilaksanalcan di PT East Indonesian Fishery ( Easinfish ) cabang Ternate, mulai tanggal I Agustus sampai 1 November 1985. Analisis sistem operasi kapal ikan merupakan pengkajian masalah dan pemecahan masalah terhadap telcnis pengoperasian kapal, dengan menggunalcan pendekatan sistem. Dalam studi ini telah dicoba untuk menerapkan berbagai model, seperti: Teori Antrian (queueing theory) untuk mempelajari kebutuhan ikan (cakalang dan umpan), Analisis jaringan (dynamic programming) untuk mempelajari optimisasi route pelayaran, analisis keputusan ( decision tree diagram ). Model-model tersebut dapat bersifat stok astik maupun deterministik.
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Judul: Suatu analisa tentang operai penangkapan dengan pole and line di PT East Indonesia Fishery Ternate
Abstrak: Penelitian yang dilakukan dengan mengikuti kapal pole and line milik PT East Indonesia Fishery ini bertujuan untuk melihat beberapa faktor yang diduga berpengaruh terhadap jumlah tangkapan ikan. Adapun faktor-faktor tersebut ialah jumlah pemakaian umpan hidup, jumlah burung laut yang menyertai gerombolan, tinggi gelombang, keadaan awan, keadaan hujan, jumlah pemancing, jam pemancingan, temperatur permukaan serta lama menebar umpan (chuming time).
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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