Judul: Karakteristik ukuran dan bentuk tubuh kuda Sumba, Priangan, kuda pacu G2, G3, G4 dan kuda pacu Indonesia (KPI)
Abstrak: This research was carried out for two march to may 2006 in Pulo Emas, Jakarta. The horse used at this research is male and female that have reached body maturity and grouped based on breed of horses, five of G3 horses, five of G4 horses and for Indonesian racing horses. The data was analsed with Principle Component Analysis (PCA) to make diagram of crowd on each group of horses based on analogical of size and shape body that alighted from matrix covarians. The aim of this research is to study characteristic of size and shape body horse based on Principle Component Analysis (PCA) by measurement of wither height, hip height, body length, chest depth and the cannon circumference.
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Judul: Karakteristik Karkas Kuda Dengan Umur, Jenis Kelamin Dan Pemanfaatan Yang Berbeda Di Kecamatan Binamu, Kabupaten Jeneponto Sulawesi Selatan
Abstrak: The study was conducted on local horse, aiming to identify the carcass characteristics of horse of different usefull (meat and draft) at different age groups (I2, I3, and I4) and sex (yeld mare and stallion). The experiment was carried out at the Horse Slaughter Place in Binamu district of Jeneponto regency, South Sulawesi. The parameters observed included body weight, carcass weight and percentage, meat and bones percentage and non carcass percentage. The results showed that sex and horse usefull had a highly significant (P<0.01) effect on carcass percentages. The carcass percentage of the stallion (59.78±1.97%) was abviously lower than that of the yeld mare (60.74±1.63%). The carcass percentage of draft type (59.88±2.52%) was abviously lower than meat type (60.59±1.86%). The influence of age on meat and bone percentage was highly significant (P<0.01). The meat percentage of I2 animal (64.53±5.68 %) was obviously lower than that of I4 animal (70.47±5.59%). Whereas, the bone percentage of I2 animal (35.47±5.68%) was obviously higher than I4 animal (29.53±5.95%). The influence of sex on bone percentage was significant (P<0.05). The bone percentage of yeld mare (29.83±5.65%) was abviously lower than of stallion (34.92±6.06%). The influence of age, sex, and different usefull on non carcass percentage was very significant (P<0.01). Non carcass percentage of I4 animal (37.90±1.70%) was obviously lower than that I2 animal (38.81±2.69 %). Non carcass percentage of meat horse (37.01±1.53%) was abviously lower than that draft horse (39.73±2.09%). Non carcass percentage of the stallion (37.67±1.94%) was abviously lower than that the yeld mare (38.54±2.39%).
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Judul: Katalis Zink Ferit Tersubstitusi Cu untuk Oksidasi Benzil Alkohol
Abstrak: Katalis berperan dalam menurunkan energi aktivasi. Katalis ZnFe2O4 dan ZnFe2O4 tersubstitusi Cu disintesis menggunakan metode kopresipitasi untuk digunakan dalam oksidasi benzil alkohol. Katalis dicirikan dengan spektrofotometer inframerah (FTIR) dan difraktometer sinar-X. Spektrum FTIR menunjukkan puncak serapan dari ikatan Zn-O dan Fe-O masing-masing pada rentang 559‒575 cm-1 dan 419‒447 cm-1. Difraktogram menunjukkan terbentuknya fase tunggal Zn0.6Cu0.4Fe2O4 pada katalis ZnFe2O4 tersubstitusi Cu 20%. Benzil alkohol dioksidasi dengan sistem refluks. Konversi benzil alkohol meningkat dengan meningkatnya suhu. Kadar benzaldehida yang dihasilkan dengan katalis ZnFe2O4 tersubstitusi Cu 20% lebih tinggi dibandingkan dengan katalis ZnFe2O4 yang tidak tersubstitusi dan yang tersubstitusi Cu 60 dan 80%. Hal tersebut menunjukkan bahwa katalis ZnFe2O4 tersubstitusi Cu 20% memiliki kinerja yang lebih baik dalam oksidasi benzil alkohol menjadi benzaldehida dengan kadar benzaldehida 8.763%.
Keyword: Benzil alkohol, katalis, oksidasi, ZnFe2O4