Judul: Implementasi Metode Spatial Query pada Sistem Informasi Geografis (SIG) (Studi Kasus: Wilayah Kota Bogor)
Abstrak: The utilization of Geographic Information Systems (GIS) are increasingly widespread. In GIS, spatial data can have collaborated to create comprehensive information. A example use of the GIS is on the vehicle navigation system. Another example is the use of Geographic Information System (GIS) in land use of an area. Research related to geographical information systems research on Noviana (2009). In use studies can provide visual information about the location of the regions or places in the city of Bogor, but in that studies have not been able to display information more specific to a region. In this research, geographic information systems can be integrated towards the Bogor City of spatial query methods so that the system not only displays the map information according to the category selected layer. Implementation of spatial query methods in geographic information systems in the city of Bogor to provide information in the form of land use in an area, know the neighborhood information in the administrative region city of Bogor, and knowing the location of information distribution.
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Judul: Penyajian Gambar pada Sistem Informasi Geografi Kota Bogor Menggunakan Flex dan Google Maps API for Flash
Abstrak: There were several WEB GIS (Geographic Information System) researches at Computer Science Department with Bogor City as case study, such as Anggraeni (2008), Aini (2009), and Kusumasari (2009). Anggraeni developed that research using ALOV Map. The result of Anggraeni’s research was the geographic information system that displayed a map in the form of spatial data vector with shapefile format. Aini used Pmapper as a framework whereas Kusumasari used Flex as a framework. All of the researches were motivated by limited information about spatial data. Actually, Kusumasari can be developed to be better. This research was to develop Geographic Information System Bogor city using raster maps provided by Google Maps as a continuation of Kusumasari research. This system was built using Flex framework and Google Maps API for Flash. Spatial data that used for this research came from Anggraeni (2008) in a shapefile format. The functions of this system are able to display vector map that overlay on raster map, to display map description, to zoom in and zoom out, to overview map control, and show note about location such as images and address. Those functions provide an easy way for users to obtain location information needed.
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Judul: Pelumas Aktif Dengan Bahan Dasar Minyak Ikan Dan Aditif Znochitosan Particle.
Abstrak: Pelumas memiliki peranan penting dalam meminimalkan fungsi keausan pada sistem mekanik. Synthetic liquids, minyak nabati (biolubricant) serta berbagai aditif telah banyak digunakan. Karakteristik minyak ikan dan sifat fungsional chitosan yang dapat berperan sebagai aditif, merupakan peluang dalam pengembangan pelumas baru yang ramah lingkungan. Tujuan penelitian adalah melakukan pembuatan dan karakterisasi pelumas aktif dengan bahan dasar minyak ikan dan aditif partikel ZnO-chitosan. Minyak dasar pelumas dibuat melalui reaksi epoksidasi minyak ikan dengan karakteristik bilangan oksiran (4,74±0,09) %, bilangan iod (49,91±1,9) gI2/100g, bilangan peroksida (59,33±3,05) meq/kg, dan asam lemak bebas (11,07± 0,10) %. Kombinasi aditif ZnO 0,5% dengan partikel chitosan 0,5% memberikan pengaruh terhadap pelumas minyak ikan dengan karakteristik terbaik, berupa scar diameter (1,16±0,04) mm, viskositas kinematik pada suhu 40°C (66,50±0,35) mm2/s dan korosi bilah tembaga grade 1A.
Keyword: Chitosan, minyak ikan, pelumas, ZnO