Judul: Pengaruh suplementasi multivitamin mineral terhadap status gizi, kadar hemoglobin dan tingkat kebugaran fisik mahasiswi TPB IPB
Abstrak: The aims of the study are to examine the influence of multivitamin mineral supplementation on the nutritional status, hemoglobin concentration and physical activity of Bogor Agricultural University First Common Year female students. The previous research showed that Bogor Agricultural University First Common Year female students have a high prevalence of anemia (Briawan 2008). The design of the research was a double blind-quasi experimental. Subjects consisted 27 people who were sistematically allocated into two groups. The first group consisted of 14 people (28.5% anemia), received multivitamin mineral (MVM) and the second group consisted of 13 peopole (38.4% anemia), received placebo (control group). The supplements contained of vitamin B1, B2, B3, B6, B12, vitamin C, Ca, Mn, Fe and Zn which were distributed and consumed everyday during 8 weeks. The data used were primary data in the form of characteristic samples, anthropometry (weight, height and percent body fat), food consumption, level of fitness results of speed (running at 60 meter), endurance and muscle strength (sit-up, push-up and vertical jump), agility (shuttle run 4x10 meter) and VO2max values (bleep test). The results of statistical test (paired samples t-test) showed that there were significant difference of speed (sample at 60 meter of running) (MVM: p>0,060; placebo: p<0,029), push-up (MVM: p<0,008; placebo: p<0,029), sit-up (MVM: p<0,000; placebo: p<0,020) and bleep test (MVM: p<0,011; placebo: p<0,000), but there were no significant difference (p>0,05) in vertical jump and shuttle run test in both MVM and placebo groups.
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Judul: Efek suplementasi multivitamin mineral terhadap kadar hemoglobin dan hematokrit mahasiswi TPB IPB
Abstrak: Anemia merupakan salah satu masalah gizi serius di Indonesia. Prevalensi anemia pada kelompok remaja putri, khususnya siswi masih cukup tinggi (Anggareini 2004; Briawan 2008). Program perbaikan anemia sering dilakukan dalam berbagai penelitian, salah satunya melalui mineral multivitamin suplementasi. Tujuan dari penelitian ini adalah untuk menganalisis pengaruh multivitamin suplementasi mineral terhadap konsentrasi hemoglobin dan hematokrit kota bogor Mahasiswa perempuan Tahun Biasa Pertama Universitas Pertanian. Desain penelitian ini adalah eksperimen semu, buta ganda. Jumlah sampel sebanyak 28 siswi yang selanjutnya dibagi menjadi 2 kelompok. Kelompok intervensi terdiri dari 15 sampel, mendapat suplemen sirup 15 ml per hari selama 8 minggu. Kelompok kontrol terdiri dari 13 sampel yang menerima sirup plasebo. Data dikumpulkan dengan wawancara sampel menggunakan kuesioner, pemeriksaan fisik, dan pemeriksaan biokimia darah. Hasil uji statistik (paired sample t test) menunjukkan tidak terdapat peningkatan kadar hemoglobin dan yang signifikan konsentrasi hematokrit masing-masing pada kelompok intervensi dan kontrol (p>0,05). Namun, pada sebagian sampel anemia, kadarnya meningkat hemoglobin dan hematokrit pada kelompok intervensi cenderung lebih besar dibandingkan kelompok intervensi kelompok kontrol.
Keyword: Anemia, Female students, Multivitamin mineral supplements, Hemoglobin, Hematocrit

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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