Judul: Analisis hubungan tingkat perputaran tenaga kerja dengan kompensasi di PT. Bakrie Sumatera Plantations, Kisaran Asahan, Sumatera Utara
Abstrak: Tujuan penulisan ini adalah untuk mengidentifikasi faktor-faktor yang mempengaruhi perputaran tenaga kerja, menganalisis tingkat perputaran tenaga kerja dengan memperhitungkan nilai perputaran dan nilai ketahanan tenaga kerja, dan mengetahui dampak perputaran tenaga kerja pada perusahaan maupun tenaga kerja serta melihat hubungan antara tingkat perputaran tenaga kerja dengan kompensasi yang diberikan oleh perusahaan kepada tenaga kerja di PT. Bakrie Sumatera Plantations.
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Judul: Analisis Sistem Kompensasi Serta Pengaruhnya Terhadap Motivasi dan Produktivitas tenaga Pel11etik Teh (Studi Kasus: Perkebunan Cianten PTPN VIII, Kecamatan Pamijahan, Kabupaten Bogor, Propinsi Jawa Barat)
Abstrak: Sistim kompensasi merupakan salah satu rangkaian dalam strategi manajemen sumber daya menusia perusahaan yang cukup penting dalam mempengaruhi kerja pemetikan. Masalah kompensasi merupakan fungsi manajemen sumber daya manusia yang paling sulit dan membingungkan, tidak hanya karena pemberian kompensasi merupakan salah satu tugas yang paling kompleks, tetapi juga salah satu aspek yang paling berarti, baik bagi pemenuhan kebutuhan karyawan maupun perusahaan. Apabila kompensasi diberikan secm'a benar, para karyawan akan lebih terpuaskan dan termotivasi untuk meraih sasaran-sasaran perusahaan sehingga peningkatan produktivitas ketjapun akan tercapai.
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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