Judul: Optimalisasi produksi mie instan di PT. Jakarana Tama, Ciawi-Bogor, Jawa Barat
Abstrak: Industri pangan salah satu basis kekuatan agroindustri mempunyai peranan penting dalam perekonomian bangsa Indonesia, mampu memenuhi kebutuhan pangan, menghasilkan devisa, menyerap tenaga kerja serta mendorong berdirinya industri penunjang lain. Industri pangan membuat diversifikasi produk bahan baku produknya berasal dari hasil pertanian seperti gandum, diolah menjadi tepung terigu kemudian diolah kembali berupa produk makanan seperti mie instan, roti, kue, pasta, dan lain-lain. Perkembangan produksi dan konsumsi mie instan tahun 2001-2004 menunjukan peningkatan setiap tahun, jumlah produksi per tahun di Indonesia berada di bawah kapasitas produksi per tahun 1.068.397 ton.
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Judul: Analisis Produksi Mie Kering sebagai Sarana Pendukung Efisiensi dan Produktivitas di PT. Asia Inti Selera, Jakarta
Abstrak: Mie merupakan salah satu jenis makanan yang dibuat dari bahan dasar terigu. Berdasarkan jenisnya, mie dapat digolongkan menjadi ke dalam tiga golongan besar. yaitu mie basah, mie kering dan mie instant. Teknologi Pembuatan mie terus berkembang. PT. ASIA INTI SELERA adalah salah saW perusahaan yang bergerak di bidang pengolahan makanan khususnya mie kering. Perusahaan ini didirikan pada tahun 1953 di Jakarta. di Jalan Bungur Besar No : 79. PT. ASIA INTI SELERA (pabrik) berlokasi di Jalan Sinar Pekapuran. Desa Curug, Kecamatan Cimanggis, Kabupaten Bogor, Jawa Barat.
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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