Judul: Kualitas Makanan Selingan Pagi Anak Prasekolah pada Pendidikan Anak Usia Dini (PAUD) Bougenvil Kota Bekasi
Abstrak: Quality of food can be identified from (1) the contribution of the energy content and protein of food to RDA, and (2) diversity/variety of food. The purpose of this study was to analyze the quality of provision and consumption of meal box or snack of preschool children. This study used a case study design. A total of 42 children studied purposively. Data were collected by direct interview using questionnaires and 2x24 hour recall method. Nutrition contribution of meal box to RDA were 14% of energy, 21% of protein, 17% of vitamin A, 9% of vitamin C, 22% of iron (Fe), and 21% of calcium (Ca). Nutrition contribution of snack to RDA were 13% of energy, 8% of protein, 2% of vitamin C, 9% of iron (Fe), and 10% of calcium (Ca). There were no significant corelation between maternal nutrition knowledge in behavior terms of providing meal box or snack and nutritional knowledge with attitude (p>0.05). There were significant corelation between behavior terms of providing meal box or snack with attitude (p<0.05),and significant corelation between the level of adequacy of energy and protein with nutrition status (p<0.05). No significant corelation between the level of maternal education and nutritional status sample (p>0.05). There were no significant corelation between socio-economic families, education of respondents, the nutritional status of a sample with an interlude diet quality (p>0.05). Conclusion: Quality of brunch (meal box or snack) samples are generally not qualified as yet to meet the energy contribution of 150-200 kcal and 4.0-5.0 grams of protein (10-13% RDA), as well as the diversity of sources which include energy substances, substances builders, and regulating substances.
Keyword: 

Judul: Analisis Kualitas Makan Siswa Sekolah Dasar di Bogor serta Hubungannya dengan Status Gizi
Abstrak: Children’s diet quality becomes attention because of the poor quality diet in childhood is brought to adulthood and increasing the risk factor of chronic disease. The study aim to analyze children’s diet quality and its association to their nutritional status. The study design was cross sectional. Sample size was 111 by using purposive sampling. The collected data were individual characteristic, family characteristic, nutrition education, food habit, food consumption, and diet quality. Diet quality was measured by using Healthy Eating Index (HEI) with the approachment to Indonesian dietary guidelines. Data was analyzed by using chisquare and correlation Spearman. The mean of HEI score was 46 ± 7.0 and indicating need improvement diet quality. There was no significant association between individual and family characteristic with children diet quality (p>0.05). Higher HEI score were associated with lower energy intake, higher protein, carbohydrate, calcium, vitamin A, and vitamin C intakes (p<0.05). There was positive association children diet quality with nutritional status (p>0.05).
Keyword: school aged children., nutritional status, Healthy Eating Index, diet quality

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.
Keyword: