Judul: Analisa tata ruang dan dampak ekonomi basis wilayah studi kasus Propinsi Kalimantan Tengah
Abstrak: Pembangunan wilayah Peopinsi Kalimantan Tengah pada dasarnya menghadapi persoalan tata ruang wilayah dan berbagai definisi struktural dalam sistem ekonomi wilayah keadaan san masalah pokok yang dihadapi diantaranya letak dan lokasi wilayah yang tergolong frontier dan terisolir dari pusat-pusat pertumbuhan Nasional.
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Judul: Analisis Peranan Sektor Pertanian dan Industri Pengolahan terhadap Perekonomian Propinsi Kalimantan Timur (Berdasarkan Analisis Input- Output)
Abstrak: Proses transformasi struktural yang tejadi di Indonesia maupun di Kalimantan Timur berimplikasi pada meningkatnya peran sektor industri yang menggeser peran penting sektor pertanian. Di sisi lain, sektor pertanian masih menduduki posisi yang strategis dalam penyerapan tenaga kerja serta produksi pangan sehingga tidak bisa diabaikan dan hams terus mendapat perhatian baik dalam perencanaan maupun pelaksanaan nasional dan regional. Mencermati hal tersebut adalah menarik untuk mencoba melihat dan menganalisis gambaran makro dari pembangunan Kalimantan Timur yang selama ini dilakukan, mengkaji keterkaitan sektor perekonomian (khususnya pada sektor pertanian dan industri pengolahan), mhhat pengaruh yang disebabkan oleh sektor pertanian dan sektor industri pengolahan terhadap keragaan perekonomian Kalimantan Timur. Gambaran hasil penelitian ini diharapkan dapat dijadikan bahan kajian untuk memperkaya khasanah penelitian yang berkaitan dengan pembangunan di Kalimantan Timur.
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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