Judul: Analisis urutan nukleotida fragmen D-Loop lumba-lumba hidung botol (Tursiops aduncus)
Abstrak: Lumba-lumba hidung botol Indo-Pasifik (T. aduncus) adalah spesies sosial yang memiliki daerah distribusi yang luas di perairan temperate dan tropis. Gelanggang Samudera Ancol (GSA) memiliki koleksi lumba-lumba hidung botol yang relatif banyak, sembilan diantaranya telah dianalisis fragmen D-Loop sepanjang 392 pb berdasarkan amplifikasi PCR dengan primer spesifik. Hasil analisis filogenetik dengan piranti lunak MEGA versi 3.1 menunjukkan bahwa kesembilan individu tersebut tergolong dalam spesies T.aduncus, kesimpulan ini didukung pula oleh ciri morfologi dan analisis fragmen DLoop. Pembandingan dengan T.truncatus dan T.aduncus yang berasal dari perairan lain seperti Australia dan Cina diketahui bahwa enam individu memiliki hubungan lebih dekat dengan T.aduncus asal perairan Australia (persamaan 99.22%) sedangkan tiga individu lainnya memiliki hubungan lebih dekat dengan T.aduncus asal perairan Cina (persamaan 99.08%). Hal ini memberi indikasi bahwa T.aduncus yang ada diperairan Indonesia merupakan percampuran dari dua perairan tersebut. Diketahui pula bahwa T.aduncus asal GSA berbeda dari T.truncatus (nilai dissimilarity 2.5%) yang ditandai oleh 11 situs diagnostik.
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Judul: Studi Morfometri Lumba-lumba Hidung Botol (Tursiops aduncus,Ehrenberg 1833) Di Kolam Konservasi PT. Wersut Seguni Indonesia, Kendal
Abstrak: Bottlenose dolphin is composed of two similar species, Tursiops truncatus and Tursiops aduncus. The purpose of this research is to study the external morphology of T. aduncus. This research was conducted in the conservation pond of PT. Wersut Seguni Indonesia, Pantai Cahaya Klampok Sendang Sekucing, Rowosari, Kendal. Four male and two female bottlenose dolphins were used in this research. The average measurements are: TBL (total body length) 210.56.74 cm, SEY (snout-eye length) 21.14.07 cm, RL (rostrum length) 11.81.17 cm, RW (rostrum width) 7.51.51 cm, MWF (maximal width of the flipper) 13.31.21 cm, TW (tail width) 53.82.92 cm, CB (circle of body) 1104.9 cm, and DFL (dorsal flipper length) 31.35.6 cm. The results showed that the size of T. aduncus is smaller compared to T. truncatus while the RL and TBL ratio is greater in T. aduncus. Measurements result indicates that there is no difference between male and female T. aduncus.
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Judul: Synthesis of Molybdenum Trioxide (MoO3) by Electrochemical Method for Electrochromics Application
Abstrak: Molybdenum trioxide (MoO3) thin films have been deposited on glass substrates by electrochemical method using ammonium heptamolybdate tetrahydrate ((NH4)6Mo7O244H2O). The films were deposited onto glass substrates as the control temperature at 25○C and annealing treatment at 350○C for 30 mins. The MoO3 thin films were investigated by UV-Vis, X-ray diffraction techniques (XRD), Scanning Electron Microscopy (SEM). The JCPDS card show that orthorhombic MoO3 (α- phase) has been formed. Molybdenum trioxide MoO3 formation was also confirmed by JCPDS card no. 35-0609. The SEM photographs revealed that the spherical and rod-like morphology and their grains size increased with increasing of heating temperatures. The measurement results show that the MoO3 thin film prepared at 350°C transmited about 80% of the visible spectrum. The effect of different heat treatments on surface morphology, thickness and optical properties of the films are discussed in this thesis.
Keyword: Institut Pertanian Bogor, Bogor Agricultural University, IPB, Electrophoretics, electrodeposide, electrochromics, electrochromic materials, electrochromic mechanism