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Irhamni .
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Library & Information Science Physics Social Sciences

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The Study of Starch Seeds Durian (Durio zibethinus) Effect as the Filler Material on Tensile Strength and Biodegradation of Polymers Polystyrene (PS) Rifka Sudi; Irhamni .; Rahmi .
Journal of Aceh Physics Society Volume 2 Number 1, March 2013
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (54.315 KB)

Abstract

The study of starch seeds durian (Durio zibethinus) effect as the filler material on tensile strength and biodegradation of polymers polystyrene (PS)  has been done. In this study, the sample was made with 5 variations of Polystyrene:Starch:glycerol as follows:(95:0:5; 90:5:5; 85:10:5; 80:15:5 and 75:20:5) %. The samples were made using the hotpress machine and the ASTM D368 standard. The mechanical properties (tensile strength) were tested using a tensile tester. The testing for functional groups were using FT-IR. The surface morphology was obtained by AFM and biodegradation through burial the samples for 40 days (time of observation 1, 2, 3, 4 and 5 weeks). As the results showed that the tensile strength values are influenced by variations in the composition of composite materials. The optimum tensile strength values were obtained on samples of PS-2 (90% of PS: 5% of Starch: 5% of glycerol) with a tensile strength value of 0.55 kgf / mm². Based on the analysis of functional groups, it was found that there is no chemical reaction, which is characterized by the emergence of new functional groups on the composite sample. The surface morphology observation showed that the variation does not affect the relative composition of the surface morphology of the samples. Biodegradation test results showed that the samples of PS-4 and PS-5 began degraded after burial for 4 weeks.
Study on Impact of Variation of Carbon Monoxide Concentration to Air Temperature at Simpang Lima, Banda Aceh Rahimi .; Irhamni .; Nazli Ismail
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : PSI-Aceh

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Studies on impact of variation of carbon monoxide concentration to air temperature have been conducted at Simpang Lima, Banda Aceh. Objectives of this research are to determine the level of emissions of carbon monoxide from motor vehicles, to study the fluctuations of air temperature in the area, and　to analyze the impact of increasing carbon monoxide concentration to the air temperature at Simpang Lima Banda Aceh during 2010. Concentration of carbon monoxide and air temperature were recorded by Air Quality Monitoring System (AQMS) device installed at Simpang Lima Banda Aceh. The result shows that carbon monoxide concentration increases as well as number of vehicles passing the area. Change of the concentration in the air is also influenced by temperature variability in the research area. For the temperature, beside affected by carbon monoxide concentrations are also influenced by weather factors such as solar radiation, wind speed and precipitation. However, levels of carbon monoxide concentration at Simpang Lima, Banda Aceh are considerably safe for the environment, i. e. less than 100 ppm.
EVALUASI DAN RANCANGAN SISTEM E-GOVERNMENT REPOSITORY PRODUK HUKUM SEBAGAI IMPLEMENTASI FUNGSI DEPOSIT DI PERPUSTAKAAN NASIONAL RI Irhamni .; Yani Nurhadryani; Joko Santoso
Jurnal Pustakawan Indonesia Vol. 13 No. 2 (2014): Jurnal Pustakawan Indonesia
Publisher : Perpustakaan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.608 KB) | DOI: 10.29244/jpi.13.2.%p

Abstract

Abstrak Perkembangan teknologi informasi telah  tatanan birokrasi di Indonesia sehingga membuat Pemerintah harus mengadopsi perkembangan teknologi informasi melalui layanan berbasis e-government. Perpustakaan Nasional RI merupakan lembaga pemerintah yang melaksanakan layanan publik informasi terbitan pemerintah di bidang hukum berdasarkan UU Deposit. Penelitian ini dilakukan untuk mendapatkah rancangan  sistem e-government melalui repository hukum peraturan perundang-undangan yang lebih terstruktur,  lebih mudah ditemukan, lebih fleksibel dalam pencarian serta terintegrasi sehingga termutakhirkan. Metodologi penelitian yang digunakan adalah dengan mengevaluasi repository hukum pada 12 kementerian 10 lembaga non kementerian, 4 provinsi dan 8 kabupaten kota dengan melakukan uji terhadap komponen human computer interaction, uji interoperabilitas dan uji manajemen repository institusi. Hasil penelitian penelitian menunjukkan bahwa (1) aspek human computer interaction masih belum mengikuti standar internasional , (2) aspek interoperabilitas belum mengikuti standar metadata repository institusi, (3) pada aspek manajemen repository ditemukan belum adanya efektifitas dalam mengolah konten informasi dan aspek usablity portal. Berdasarkan  penelitian ini dapat disimpulkan nahwa portal e-government layanan terbitan hukum yang ada saat ini belum efisien, efektif serta belum terintegrasi. Perancangan sistem dilakukan dengan desain sistem yang sesuai standar melalui perancangan ulang proses bisnis dan desain antar muka sistem. Kata Kunci : e-government, Layanan referensi , human computer interaction, interroperabilitas,  terbitan    pemerintah, undang-undang deposit.  
EVALUASI DAN RANCANGAN SISTEM E-GOVERNMENT REPOSITORY PRODUK HUKUM SEBAGAI IMPLEMENTASI FUNGSI DEPOSIT DI PERPUSTAKAAN NASIONAL RI Irhamni .; Yani Nurhadryani; Joko Santoso
Jurnal Pustakawan Indonesia Vol. 13 No. 2 (2014): Jurnal Pustakawan Indonesia
Publisher : Perpustakaan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (692.608 KB) | DOI: 10.29244/jpi.13.2.%p

Abstract

Abstrak Perkembangan teknologi informasi telah  tatanan birokrasi di Indonesia sehingga membuat Pemerintah harus mengadopsi perkembangan teknologi informasi melalui layanan berbasis e-government. Perpustakaan Nasional RI merupakan lembaga pemerintah yang melaksanakan layanan publik informasi terbitan pemerintah di bidang hukum berdasarkan UU Deposit. Penelitian ini dilakukan untuk mendapatkah rancangan  sistem e-government melalui repository hukum peraturan perundang-undangan yang lebih terstruktur,  lebih mudah ditemukan, lebih fleksibel dalam pencarian serta terintegrasi sehingga termutakhirkan. Metodologi penelitian yang digunakan adalah dengan mengevaluasi repository hukum pada 12 kementerian 10 lembaga non kementerian, 4 provinsi dan 8 kabupaten kota dengan melakukan uji terhadap komponen human computer interaction, uji interoperabilitas dan uji manajemen repository institusi. Hasil penelitian penelitian menunjukkan bahwa (1) aspek human computer interaction masih belum mengikuti standar internasional , (2) aspek interoperabilitas belum mengikuti standar metadata repository institusi, (3) pada aspek manajemen repository ditemukan belum adanya efektifitas dalam mengolah konten informasi dan aspek usablity portal. Berdasarkan  penelitian ini dapat disimpulkan nahwa portal e-government layanan terbitan hukum yang ada saat ini belum efisien, efektif serta belum terintegrasi. Perancangan sistem dilakukan dengan desain sistem yang sesuai standar melalui perancangan ulang proses bisnis dan desain antar muka sistem. Kata Kunci : e-government, Layanan referensi , human computer interaction, interroperabilitas,  terbitan    pemerintah, undang-undang deposit.  
Co-Authors I Gusti Ngurah Antaryama Nazli Ismail Rahimi . Rahmi . Rifka Sudi Siti Zubaidah Yani Nurhadryani