Judul: Anatomi Organ Reproduksi Muncak (Muntiacus muntjak muntjak) Jantan pada Tahap Ranggah Keras.
Abstrak: This research was conducted to observe the anatomy and morphometry include length, diameter, and weight of the male genital organ from 2-4 years old muntjac (Muntiacus muntjak muntjak) during hard antler period. This study used male genital organ that has been preserved with paraformaldehide 4%. The acquired data were analyzed descriptively. Result of this research showed that the length, diameter, and weight of testis without scrotum were 5.01 cm, 2.45 cm, and 1.88 g, respectively. A pair of vesicular gland situated at lateral of ampullae, was 2.25 cm in length, 0.64 cm in height, and weighed at 2.06 g. The prostate gland was not observed macroscopically. Bulbourethral gland has diameter 1.61 cm, height 0.71 cm, and weight 2.39 g. Penis of male muntjac was 30.50 cm in length, fibroelastic, and had sigmoidea flexure. Generally, anatomy of the male genital organ of muntjac was similar to those of the other ruminants like sheep and goats. However the male muntjac was characterized by relatively small size of testis, rudimentary prostate gland, larger bulbourethral gland, and a relatively long penis.
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Judul: Anatomy of The Male Genital Organ from Muntjac (Muntiacus muntjak muntjak) during Hard Antler Period.
Abstrak: Penelitian ini bertujuan untuk memperoleh data anatomi dan morfometri yang meliputi panjang, diameter, dan bobot pada organ reproduksi muncak (Muntiacus muntjak muntjak) jantan berumur 2-4 tahun yang berada pada tahap ranggah keras. Organ reproduksi jantan yang telah difiksasi dengan larutan paraformaldehid 4% diamati, didokumentasi, diukur, dan ditimbang. Data yang diperoleh kemudian dianalisis secara deskriptif. Hasil penelitian menunjukkan panjang, diameter, dan bobot testis tanpa skrotum masing-masing adalah 5.01 cm, 2.45 cm, dan 1.88 g. Kelenjar vesikularis terdapat sepasang di lateral ampula dengan panjang 2.25 cm, tinggi 0.64 cm, dan bobot 2.06 g. Kelenjar prostat tidak teramati secara makroskopis. Kelenjar bulbouretralis memiliki diameter 1.61 cm, tinggi 0.71 cm, dan bobot 2.39 g. Penis muncak jantan bertipe fibroelastik dengan panjang 30.50 cm, dan memiliki fleksura sigmoidea. Secara umum anatomi organ reproduksi muncak jantan hampir sama dengan ruminansia seperti kambing dan domba, namun organ reproduksi muncak jantan memiliki karakteristik yang ditunjukkan dengan morfometri testis yang relatif kecil, kelenjar prostat yang rudimenter, kelenjar bulbouretralis yang besar, dan penis yang relatif panjang.
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Judul: Elektrodeposisi Film Tipis Semikonduktor Cu2ZnSnS4 (CZTS) pada Substrat Kaca ITO
Abstrak: Semiconductor Cu2ZnSnS4 (CZTS) thin film that can be used as absorber layers on solar cell module was made via electrodeposition method. CZTS thin film was electrodeposited on the surface of a silicate glass coated with a thin layer of indium tin oxide (ITO). Deposition process was done using potentiostatic mode at room temperature with a potential of 1.05 V for 30, 45, and 60 minutes, followed with annealing the film at 2 different temperatures, 500 ºC using furnace and 180 ºC using hot plate, both treatments for 45 minutes in N2/H2S atmosphere. The X-ray difractograms were analyzed using Match 2 program and showed that the CZTS thin films had kesterit crystalline structure, with a low percentage of CZTS phase. The thin film also contained secondary phases such as Cu2S, ZnS, and SnS. The obtained CZTS thin films had a thickness between 1.039 and 1.676 μm. Absorption study showed that the band gap energy of CZTS thin films which was annealed using furnace ranged from 1.50 to 1.52 eV, whereas that annealed using the hot plate was not observed. The band gap energy value showed that CZTS thin films can be used as sunlight absorber layers on solar cell. The formation of CZTS crystal film on this investigation was effectively performed using furnace annealing process at a temperature of 500 ºC with deposition time of 45 minutes.
Keyword: Thin film, Electrodeposition, Cu2ZnSnS4