Articles
Pembuatan Multimedia Streaming Server Intranet Berbasis Linux Fakultas Teknologi Informatika Universitas Surakarta
., Nurochman;
Triyono, Ramadian Agus
Seruni - Seminar Riset Unggulan Nasional Inoformatika dan Komputer Seruni 2012 - Seminar Riset Unggulan Nasional Informatika dan Komputer
Publisher : Seruni - Seminar Riset Unggulan Nasional Inoformatika dan Komputer
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DOI: 10.0809/seruni.v1i1.652
Abstrak : Perkembangan teknologi informasi dewasa ini sangatlah pesat. Salah satu yang paling terasa adalah peningkatan bandwidth yang saat ini bertambah berkali-kali lipat. Hal ini pun dimanfaatkan oleh banyak pihak untuk melakukan proses transfer data dengan kecepatan yang tinggi dan kapasitas yang besar. Teknologi streaming saat ini sedang berkembang sebagai salah satu cara penyampaian informasi menggunakan berbagai media digital khususnya video dan audio. Teknologi streaming mampu melakukan proses transfer data video dan audio yang umumnya berukuran besar dengan kecepatan tinggi. Penelitian ini bertujuan untuk membuat sebuah layanan streaming sebagai media data sharing pada jaringan intranet sehingga lingkungan intranet tersebut dapat memanfaatkan data sharing tersebut baik sebagai sarana berbagi media pembelajaran maupun galeri karya di bidang multimedia pada khususnya. Kata kunci: video, streaming, server, intranet, linux Abstract : The development of information technology today is very fast. One of the most noticeable is the increase in bandwidth which is now increased many fold. It is also used by many people to make the process of data transfer at high speed and large capacity. Streaming technology is currently being developed as a way to deliver information using a variety of digital media especially video and audio. The streaming technology is able to process video and audio data transfer which are generally have a large capacity with high speed. This study aims to create a media streaming service as data sharing on the intranet network so that they can exploit the data sharing both as a means of learning and sharing media gallery work in the field of multimedia in particular. Keywords: video, streaming, server, intranet, linux
Geochemical Signature of Mesozoic Volcanic and Granitic Rocks in Madina Regency Area, North Sumatra, Indonesia, and its Tectonic Implication
Zulkarnain, Iskandar
Indonesian Journal on Geoscience Vol 4, No 2 (2009)
Publisher : Geological Agency
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DOI: 10.17014/ijog.v4i2.74
http://dx.doi.org/10.17014/ijog.vol4no2.20094Five samples consisting of two Permian-Triassic basalts, two Triassic-Jurassic granitic rocks, and a Miocene andesite were collected from the Madina Regency area in North Sumatra that is regionally situated on the West Sumatra Block. Previous authors have proposed three different scenarios for the geological setting of West Sumatra Permian Plutonic-Volcanic Belt, namely an island-arc, subduction related continental margin arc, and continental break-up. Petrographic analysis of the Mesozoic basaltic samples indicates that they are island-arcs in origin; however their trace element spider diagram patterns (Rock/MORB ratio) also show the character of back-arc marginal basin, besides the island-arc. Furthermore, their REE spider diagram patterns (Rock/ Chondrite ratio) clearly reveal that they were actually generated in a back-arc marginal basin tectonic setting. Meanwhile, the two Mesozoic granitic rocks and the Miocene andesite reflect the character of an active continental margin. Their spider diagram patterns show a significant enrichment on incompat- ible elements, usually derived from fluids of the subducted slab beneath the subduction zone. The high enrichment on Th makes their plots on Ta/Yb versus Th/Yb diagram are shifted to outside the active continental margin field. Although the volcanic-plutonic products represent different ages, their La/Ce ratio leads to a probability that they have been derived from the same magma sources. This study offers another different scenario for the geological setting of West Sumatra Permian Plutonic-Volcanic Belt, where the magmatic activities started in a back-arc marginal basin tectonic setting during the Permian-Triassic time and changed to an active continental margin during Triassic to Miocene. The data are collected through petrographic and chemical analyses for major, trace, and REE includ- ing literature studies. Â
Menyingkap Arena Kuasa Simbolik Islam Ideologis (Studi Lapangan di Yogyakarta)
Zulkarnain, Iskandar
SOSIOLOGI Vol 1, No 1 (2009): Jurnal Society Mei 2009
Publisher : Universitas Bangka Belitung
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The researcher discusses the symbolical power field of Hizbut Tahrir Indonesia (HTI) and Majelis Mujahidin Indonesia (MMI) which fight the strategic arena as the political tools to achieve the substantive power after the order regime. HTI and MMI as ideological Islam organizations which struggle Islamic Syariah formalization in state and nation order can be analyzed using Pierre Bordieu conceptual framework. It consists of three key concepts as follow: habitus, champ and symbolic power. Those key concepts are formulated in political dakwah and jihad which invite personnelâs or among members to change an old paradigm to a new paradigm (fully syariah) to create a uniformity and habitus reproductions.Field of struggles are directed to dominate political fields which institutional based, community based, and governmental institutions through an economic capital hegemony, a culture, a social and symbolic powers. The economic capital can be means of production possession, materials, and money changes as inherited investment in a long period. Culture capitals are accumulated into intellectual hegemony, discourses, and argumentations to get social positions. The culture capitals are directed to social networks (cooperationâs) ownership and authorities in relation to an other stakeholder or power holders. Symbolic capitals is the accumulation of economic, culture and social capitals which deal with a prestige, status, authority and legitimacy from other stakeholders. A symbolic capital hegemony is the centre of field of struggles domination and requirements to get symbolic powers.
Petrogenesis batuan vulkanik daerah tambang emas Lebong Tandai, Provinsi Bengkulu, berdasarkan karakter geokimianya
ZulkarnaIn, Iskandar
Indonesian Journal on Geoscience Vol 3, No 2 (2008)
Publisher : Geological Agency
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DOI: 10.17014/ijog.v3i2.48
http://dx.doi.org/10.17014/ijog.vol3no2.20081Lebong Tandai is a village in the Napal Putih Sub-regency, North Bengkulu Regency, that can be accessed only through the local people train called âmolekâ. The area is well known as a gold mine since the Dutch time. Volcanic rocks in the area belong to the Hulusimpang Formation that are dominated by andesitic rocks with small amount of dacite and basalt. They show an affinity as a transition between calc-alkaline and tholeiite. Its trace elements and REE patterns show that they are derived from âmagma oneâ, one of the two magma sources producing volcanic rocks in Bengkulu. âMagma oneâ is derived from a magma source with adakitic composition due to the most primitive sample among the âmagma oneâ samples. The Lebong Tandai magma activity has occurred since more than 30 million years ago in a back-arc side tectonical environment, and they were enriched on incompatible elements during an upper crust penetration. The occurrence of gold mineralization in this area indicates that the âmagma oneâ is a gold bearing mineralized magma in this region. It seems to be reasonable when it is corresponded with an investigation result reported from the Phillippine that adakitic rocks contain higher gold concentration than calc-alkaline rocks. This paper is written using a geochemical approach based on major elements, trace elements and rare earth elements (REE) that are plotted into general and specific classifications in a petrological discussion. Â
Estimation of Bouguer Density Precision: Development of Method for Analysis of La Soufriere Volcano Gravity Data
Gunawan, Hendra;
Micheldiament, Micheldiament;
Mikhailov, Valentin
Indonesian Journal on Geoscience Vol 3, No 3 (2008)
Publisher : Geological Agency
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DOI: 10.17014/ijog.v3i3.56
http://dx.doi.org/10.17014/ijog.vol3no3.20084The precision of topographic density (Bouguer density) estimation by the Nettleton approach is based on a minimum correlation of Bouguer gravity anomaly and topography. The other method, the Parasnis approach, is based on a minimum correlation of Bouguer gravity anomaly and Bouguer correction. The precision of Bouguer density estimates was investigated by both methods on simple 2D syntetic models and under an assumption free-air anomaly consisting of an effect of topography, an effect of intracrustal, and an isostatic compensation. Based on simulation results, Bouguer density estimates were then investigated for a gravity survey of 2005 on La Soufriere Volcano-Guadeloupe area (Antilles Islands). The Bouguer density based on the Parasnis approach is 2.71 g/cm3 for the whole area, except the edifice area where average topography density estimates are 2.21 g/cm3 where Bouguer density estimates from previous gravity survey of 1975 are 2.67 g/cm3. The Bouguer density in La Soufriere Volcano was uncertainly estimated to be 0.1 g/cm3. For the studied area, the density deduced from refraction seismic data is coherent with the recent Bouguer density estimates. New Bouguer anomaly map based on these Bouguer density values allows to a better geological intepretation. Â Â
Geochemical Evidence of Island-Arc Origin for Sumatra Island; A New Perspective based on Volcanic Rocks in Lampung Province, Indonesia
Zulkarnain, Iskandar
Indonesian Journal on Geoscience Vol 6, No 4 (2011)
Publisher : Geological Agency
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DOI: 10.17014/ijog.v6i4.128
DOI:Â 10.17014/ijog.v6i4.128Since decades, Sumatra Island is considered as the Eurasia continental margin where the Indian Ocean plate has been subducted oblique beneath the continental plate of Sumatra. But, the occurrences of volcanic rocks in almost all areas of Lampung Province in the southernmost of Sumatra Island, as the presence of the Quaternary Tanggamus Volcano in the western part of the province together with the Quaternary Rajabasa Volcano in the eastern area cannot be justified using the consideration. Spider diagrams of trace and rare earth elements of volcanic rocks from the western and eastern areas of the province reveal that the rocks come from three different tectonic settings, namely island-arc, active continental margin (ACM), and intra continental plate. All basalt and one dacite of western volcanic rocks show a character of island-arc origin, while the eastern volcanic rocks are reflecting characters of ACM and intra continental plate. Plot of the rocks in the diagram of Ta/Yb versus Ce/P and in Ta/Yb versus Th/Yb confirmed the tectonic environments and specifically classify the intra continental plate into Within Plate Volcanic Zone (WPVZ). The island-arc group is characterized by Ta/Yb ratio of less than 2.0 and Ce/P less than 1.8. The ACM group is recognized having Ta/Yb ratio between 2 and 4 with Ce/P more 1.8, while the WPVZ group is defined as a group having Ta/Yb more than 6 and Ce/P more than 1.0. The result indicates that the western part of Sumatra is an island-arc fragment and the eastern part belongs to the Eurasia continental margin. The concentration of volcanics having ACM character from areas around the Sumatra Fault System to the east indicates that the collision zone between the Sumatra island-arc fragments with the Eurasia continental margin is probably located along the SFS. More statistical data is still needed from other Sumatra volcanics to confirm this conclusion.
PENGUKURAN BESARAN FISIK SECARA NON KONTAK MENGGUNAKAN SERAT OPTIK
Taufik, Muhammad
Jurnal PIJAR Vol 1, No 1 (2006): pijar 2006
Publisher : Jurnal PIJAR
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Abstrak: Telah dilakukan penelitian tentang serat optik dan aplikasinya sebagai sensor arus kuat. Penelitianini dilakukan di PPNY BATAN Yogyakarta. Serat optik yang digunakan pada penelitian ini merupakan serat optikjenis eka ragam (mono mode) model F-SPV. Sensor serat optik memiliki beberapa keungulan yakni, bebas dariganguan gelombang elektromagnetik, kerugian daya kecil, tidak mengambil tempat yang besar dan tidakmengganggu sistem fisik yang diukur (pengukuran non kontak). Serat optik yang dilewati sinar laser He-Ne akanmengalami perubahan bidang polarisasi sebanding dengan perubahan yang terjadi pada sistem fisik yang diamati.Jadi perubahan sifat optik merupakan representasi adanya perubahan sistem fisik yang sedang diukur. Dalampenelitian ini,yang digunakan sebagai sistem fisik adalah arus lisrik kuat dengan interval 0 â 300 A. Arus listrikakan menimbulkan medan magnetik di sekitar kawat. Medan magnetik yang timbul akan menyebabkan bidangpolarisasi sinar laser berubah setelah melewati serat optik yang digulung seperti induktor. Perubahan bidangpolarisasi ditunjukkan oleh besaran DS yang merupakan fungsi linier arus listrik kuat, I dengan persamaan: DS =0.239533 + 0.000136 I.Kata Kunci: Serat optik eka ragam, Sinar laser, Sensor  OPTICAL FIBER SENSOR FOR NON CONTACT PHYSICAL MEASUREMENTSAbstract. The research in optical fiber and its application for strong electrical current sensor has beenconducted. This research was held in PPNY BATAN Yogyakarta. Optical fiber model used is Mono mode FSPV.The advantages of using this sensor are free from magnetic disturbances, less in power loss, no a large spaceneeded and not disturbing to the system being measured (non contact measurement). Optical fiber which is passedby helium neon laser will change its plane polarization according to the change in the physical system beingmeasured, namely electrical current. The relation between the polarization plane change, shows by DS, andstrong electrical current is DS = 0.239533 + 0.000136 I.Key words: mono mode optical fiber, He-Ne Laser, Sensor
Pembuatan Sistem Informasi Pengolahan Data Pasien Rawat Jalan Pada Puskesmas Pringkuku Kabupaten Pacitan
Rusmana, Nita Yuli;
Triyono, Ramadian Agus;
., Sukadi
Speed - Sentra Penelitian Engineering dan Edukasi Accepted Paper
Publisher : Speed - Sentra Penelitian Engineering dan Edukasi
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Abstract: Community Health Centres is one of the agencies working in the health field. Health services in terms of handling, it is very important to achieve the maximum goal. Pringkuku Health Centre in outpatient data processing still using the conventional way of using the book in the process of recording and storing data. The purpose of the research is to improve the data processing system is conventional and produce information system that efectively and efficiently. The benefit are achieved is the search data become increasingly more rapid patient. The method used in the manufacturing process of data processing patient information systems is direct observation, interviews with officials and othe stakeholders, the study of literature to support the creation and documentation system. The result obtained from this study is the existence of information systems outpatient data processing required data searches will be faster by utilizing exesting computer facilities to process data access. Keywords: Data Processing, Information System  Abstraksi: Pusat Kesehatan Masyarakat (Puskesmas) merupakan salah satu instansi yang bergerak di bidang kesehatan. Pelayanan kesehatan dalam hal penanganan, merupakan hal yang sangat penting demi tercapainya tujuan yang maksimal. Puskesmas Pringkuku dalam pengolahan data pasien rawat jalan masih menggunakan cara konvensional yaitu menggunakan buku besar dalam proses pencatatan dan penyimpanan data yang ada. Tujuan dari penelitian ini adalah memperbaiki sistem pengolahan data yang masih konvensional dan menghasilkan sistem informasi yang efektif dan efisien. Manfaat yang di peroleh adalah pencarian data-data pasien menjadi semakin lebih cepat. Metode yang digunakan dalam proses pembuatan sistem informasi pengolahan data pasien adalah observasi langsung, wawancara dengan petugas maupun pihak terkait, studi kepustakaan untuk mendukung pembuatan sistem dan dokumentasi. Hasil yang diperoleh dari penelitian ini adalah dengan adanya sistem informasi pengolahan data pasien rawat jalan pencarian data yang dibutuhkan akan lebih cepat dengan memanfaatkan sarana komputer yang telah ada untuk proses pengaksesan data. Kata Kunci      : Pengolahan Data, Sistem Informasi
Social Strategy of Ciliwung River Bank Community
Maring, Prudensius;
Hasugian, Fordolin;
Kaligis, Retor AW
Jurnal Komunitas: Research and Learning in Sociology and Anthropology Vol 7, No 1 (2015): Komunitas, March 2015
Publisher : Universitas Negeri Semarang
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DOI: 10.15294/komunitas.v7i1.3600
This article explains relation of social economic strategy applied by the community on the setting of watershed area with dinamics and complexity of urban life. To explain the problem, this article use the perspective of ecological anthropology and urban anthropology. This research uses indepth-interview, participatory observation, and focus group discussion. This research was conducted on the community of Ciliwung watershed on Kampung Melayu and Cawang village in East Jakarta. This research shows that the community on Ciliwung watershed area have social organization based on primordial and religion. The social organization have inclusive orientation and have goal to overcome everyday social problem. The community have model of ecological adaptation and social-economic strategy that have characteristics of resistance (control, protect, defend, and resist) as respon to uncertainty of policy and involution of Ciliwung watershed development.Tulisan ini menjelaskan hubungan antara strategi sosial ekonomi yang dijalankan masyarakat dalam latar ekologi bantaran sungai dengan kondisi kehidupan perkotaan yang dinamis dan kompleks. Untuk menjelaskan masalah tersebut, penelitian ini menginspirasi kepada perspektif antropologi ekologi dan antropologi perkotaan. Penelitian ini mengacu kepada pendekatan kualitatif dengan menerapkan metode wawancara mendalam, pengamatan terlibat, dan diskusi kelompok terfokus. Penelitian lapangan dilakukan pada masyarakat bantaran sungai Ciliwung di Kelurahan Cawang dan Kelurahan Kampung Melayu, Jakarta Timur. Hasil penelitian memperlihatkan bahwa masyarakat bantaran sungai Ciliwung memiliki organisai sosial berbasis asal-usul daerah dan agama berorientasi inklusif dan bertujuan mengatasi masalah sosial yang dihadapi dalam kehidupan sehari-hari. Masyarakat memiliki pola adaptasi ekologi dan strategi sosial ekonomi berciri bertahan (menguasai, melindungi, bertahan, dan melawan) sebagai respon terhadap ketidakpastian kebijakan dan involusi pembangunan bantaran sungai Ciliwung.
ANTIBACTERIAL ACTIVITY OF FERMENTED WHEY BEVERAGE BY PRODUCTS FROM BUFFALO DANGKE
Fatma, -;
Malaka, Ratmawati;
Hajrawati, -;
Taufik, Muhammad
Proceeding Buffalo International Conference 2013
Publisher : Proceeding Buffalo International Conference
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Whey derived from by-product processing dangke Buffalo has not been widely utilized in Enrekang. Nutrition components of whey allow to be processed into fermented beverage products. Lactobacillus acidophilus FNCC 0051 is one of the bacteria used for the manufacture of fermented beverage products. The addition of these bacteria can be generated of functional food products. This product can inhibit the growth of pathogenic bacteria (antibacterial). The objectives of the research were to evaluate the antibacterial activity of fermented whey beverage ingredient by-product from Buffalo dangke. The research was conducted according to completely randomized design with a factorial pattern of sucrose level respectively: 0, 9, 12 and 14% as first factors and duration of incubation (4, 8, and 12 hours, respectively) as second factor and 5 replications. Inoculated whey with L. acidophilus then tested with pathogen bacteria (S. aureus FNCC 0047 and E. coli FNCC 0091) to determine the inhibition zone as indicator of antibacterial activity. The results showed that whey fermentation using basic ingredients of buffalo dangke could inhibit the growth of S. aereus or E. coli. Inhibiton zone against pathogenic bacteria significantly enhanced as increasing level of sucrose or incubation time.