Judul: Nilai Gizi Daging Squab Burung Merpati Lokal dan Homer pada Jenis Kelamin yang Berbeda
Abstrak: Daging merupakan salah satu komoditi asal ternak yang penting sebagai sumber protein hewani bagi manusia. Daging squab (piyik) burung merpati mempunyai kekhasan yang berbeda dibandingkan dengan daging unggas yang lainnya. Daging burung merpati memiliki warna daging yang merah, serat daging yang halus, kandungan kolesterol yang rendah dan mempunyai kandungan protein yang cukup tinggi. Produksi daging squab burung merpati di Indonesia belum banyak seperti daging unggas lain, sehingga harga daging squab burung merpati cukup mahal. Masyarakat belum banyak mengetahui informasi mengenai nilai gizi dari daging squab burung merpati, sehingga konsumen daging squab jumlahnya terbatas. Penelitian ini bertujuan untuk mengetahui nilai gizi (kadar air, kadar protein, kadar lemak dan kolesterol) daging squab burung merpati Lokal dan Homer baik jantan maupun betina. Selain itu memperoleh informasi tambahan mengenai berat hidup akhir squab, berat dan persentase karkas squab termasuk kepala, leher dan kaki, berat dan persentase karkas squab.
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Judul: Sifat fisik dan organoleptik daging squab burung merpati homer dan burung merpati lokal pada jenis kelamin yang berbeda
Abstrak: This research was conducted to study the physical caracteristic and organoleptic of Homer and Local pigeon squab meat in different sex. The results of the experiment showed that there was no irteraction in strain and sex on all variables. The slaughter weight of the Homer pigeon squab was 376.41e44.368 higher than Local pigzon squab was 330.96f40.27g. The slaughter weight male pigeon squab was 385.88e39.69g higher than female pigeon squab was 321.50rt28.76. The carcass percentage of Homer pigeon squab was 56.99+4.40% lower than Local pigeon squab was 62.23+7.99'%. The carcass percentage male and female pigeon squab between 56.33+5.09% and 66.91*7.03%.
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Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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