Judul: Komputasi Data Multibeam Sonar untuk Perencanaan Pembangunan Jembatan Selat Sunda.
Abstrak: The bridge is a construction for marine transportation facility. The Indonesian Government initiated will carry out the largest projects to build a bridge at Sunda Strait on 2014. The bridge construction will take quite a long time, therefore effort should be made to obtain relevant information to the construction of the bridge is running efficiently. The purpose of this research is to apply the instrument hydroacoustic of multibeam sonar to measure sea water depths and to map the distribution of sediment types. Survey conducted in Sunda Strait on the coordinates of 5052’-6002’S and 105045’-106054’E. Data acquisition done by using hydrostar software. Bathymetry data was processed with Caris HIPS&SIPS. Data amplitude was processed with MB Systems to make sediment classification. Tides in research area is mixture type, where tidal type is suitable for the construction of the bridge was held because tidal type has a relatively small effect on the scatter and distribution of sea floor sediments. Depth research area have range from 17,5-175 m, there are several ridge sea that can be used as a laying pole bridge. There are two locations considered suitable on location 1 and 2, where both the location is ridge sea with depth range17-35 m. The type of sediment obtained by processing data amplitude and core of sample sediment. The types of sedimen in research area are silty sand, sandy silt, sand and rocks. Sediment is dominated by sandy silt with percent coverage of 49%. Location 1 and 2 have a sandy silt sediment. The pole type that fits is the pillar of the prisoner's coherency between the pole to the ground (Friction piles), when the pole to stick on the ground with powerful high friction values such as sand, then load that is accepted by the mast will be withheld based on friction between the pole and the land around the pole.
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Judul: Aplikasi instrumen Multibeam sonar dalam kegiatan peletakan pipa bawah laut (contoh studi perairan balongan)
Abstrak: In this time government tries to solve the problems of oil and gas transportation from drilling area to processing area. This problems related with time and money. For that reason, the solution of this problems have to found immediately. The purpose of this research is to get under water topography information, sediment classification and also to make under water pipeline route. Survey held in Balongan, Indramayu, West Java. Data acquisition done by using hydrostar software. Bathymetry data was processed with Caris HIPS&SIPS. Amplitude data was processed with MB-Systems this data was used to make underwater sediment classification. Depth in study area arrange from 11.5 m – 22.5 m. According to the rules of DNV-OS-F101 Submarine Pipelines Systems 2007 under water pipeline route is the right side from sounding route in 108.39 E, 6.36 S, until 108.62 E, 6.36 S, with bathymetry slope 1.5 m between area 2 and 3 also 1 m in area 3. The center region from sounding route has plain bathymetry slope but pipeline construction can not be placed because another pipeline has placed there. The type of underwater sediment gotten by processing amplitude data and core sample sediment. Then the amplitude data interpolated with Gaussian method to get underwater sediment classification. Sediment in the pipeline route dominated with clayey silt type,then silty clay type, and the last is silt type.
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Judul: Leukemia pada kucing
Abstrak: Leukemia pada kucing adalah suatu penyakit yang sangat patogen, disebabkan oleh sejenis virus. Virus ini dikenal sebagai Feline Leukemia Virus atau FeLV. FeLV ini oleh beberapa ahli dikatakan hanya bersifat ganas pada hewan kucing. Penularannya bisa secara horizontal maupun congenital. Kucing pada semua tingkat umur dapat terserang oleh FeLV ini. Khusus pada bentuk "thymic leukemia", virus ini hanya menyerang anak-anak kucing berumur diba- wah 1 tahun. Kucing-kucing liar atau yang tidak terpeli- hara jarang sekali terinfeksi FeLV. Selain dari serangan virus FeLV itu sendiri, maka penyakit leukemia ini bisa disebabkan oleh beberapa fak- tor yang sudah ada dalam tubuh hewan dan sangat menunjang perkembangan penyakit ini, yaitu antara lain tumor, agen toksik, cedera oleh kecelakaan dan gangguan hemopoiesis. FeLV menyerang sel-sel darah dalam tubuh hewan se- hingga pembentukan darah berjalan tidak normal. Terlihat sel-sel darah yang belum dewasa sudah beredar dalam sir- kulasi darah. Bentuk dan jumlahnya tidak lagi seimbang dalam tubuh hewan kucing tersebut. Gejala klinis antara lain kekurusan, ikterus, anemia, lemah, anoreksia, dyspnoe, sulit menelan, batuk, dan membran mukosa pucat. Selain itu kelenjar pertahanan tubuh juga membengkak, kemudian terjadi hepatomegali, spleenomegali dan pembengkakan pada ginjal. Terbentuk massa tumor pada beberapa tempat. Secara biopsy pada sumsum tulang akan terlihat be- berapa perubahan. Sumsum tulang berwarna merah tua atau abu-abu. Konsistensinya lunak dan terdapat banyak sekali memproduksi sel darah putih. Melalui gambaran darah leukemia ini lebih mudah didiagnosa. Jumlah retikulosit rendah sekali. PCV 8-15%, hemoglobin menurun, sel darah putih (WBC) meningkat, lim- fosit meningkat, Alfaglobulin juga ada peningkatan, dan banyak eosinofil yang belum dewasa beredar dalam darah…dst
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