Judul: Penyelenggaraan Makanan, Konsumsi Pangan dan Status Gizi Santri Putri Pondok Pesantren Darusalaam Bogor
Abstrak: The objective of this study was to assess of food service management, food consumption and nutritional status among Darussalam Boarding School‟s students. A cross sectional study was conducted in this study through observational survey methods. The samples were chosen purposively, both students and food handler. The number of students were 85 and food handler whose 10 people. The percentage of food handler hygiene and sanitation of food processing were 57.7%. It was included in lack cathegories. The average of energy adequacy of students include in mild deficiency, while protein adequacy of students more than normal standard. Based on Spearman test, there is no correlation between energy intake and nutritional status (p=0,599 r=0,058). The similar result also showed on protein intake and nutritional status (p=0,990 r=0,001).
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Judul: Analysis of Food Service Management, Nutritional Adequacy Levels, and Nutritional Status at the Darul Fallah Agricultural Islamic Boarding School
Abstrak: Upaya pemenuhan kebutuhan gizi santri di pondok pesantren berkaitan dengan penyelenggaraan makanan yang ada di dalamnya. Penelitian ini bertujuan untuk menganalisis penyelenggaraan makanan, tingkat kecukupan gizi, dan status gizi santri di Pondok Pesantren Pertanian Darul Fallah Bogor. Desain penelitian ini adalah cross sectional. Subjek merupakan santri di Pondok Pesantren Pertanian Darul Fallah sebanyak 71 orang. Sebagian besar subjek memiliki status gizi baik (69,0%). Penyelenggaraan makanan menyediakan tiga kali waktu makan. Tidak terdapat siklus menu pada rentang waktu tertentu. Hasil penelitian menunjukkan bahwa masih terdapat hal yang memerlukan perbaikan di dalam pelaksanaan penyelenggaraan makanan, khususnya terkait fasilitas yang digunakan. Hasil penelitian menunjukkan bahwa, menu yang disediakan mampu memenuhi rata-rata kebutuhan zat gizi santri berupa energi (82,1%), lemak (80,4%), karbohidrat (92,2%), serta zat besi (103,2%), tetapi belum dapat memenuhi kebutuhan harian protein (57,4%) dan vitamin C (40,8%). Sebagian besar subjek mengalami defisit berat pada energi (53,5%), protein (93,0%), dan karbohidrat (77,5%), defisit pada vitamin C (88,7%) dan zat besi (67,6%), serta berlebih pada asupan lemak (50,7%). Hasil uji korelasi menunjukkan bahwa tidak terdapat hubungan yang signifikan antara tingkat kecukupan gizi dan status gizi subjek (p>0,05)., Efforts to meet the nutritional needs of the Islamic boarding school are related to the food service management contained in it. The study aims to analyze food service management, levels of nutritional adequacy, and nutritional status at the Darul Fallah Islamic Boarding School. The design of this study is cross-sectional. The subjects were 71 students at the Darul Fallah Agricultural Islamic Boarding School. Most subjects had good nutritional status (69.0%). Food service is provided three meal time/day. There is no menu cycle at a specific timeframe. The results show that there are still things that need to be improved in the implementation of food service, especially the facilities used. The results showed that the menu provided was able to meet the average nutrient needs of the subjects such as energy (82.1%), fat (80.4%), carbohydrates (92.2%), iron (103.2%), but has not able to meet the daily needs of protein (57.4%) and vitamin C (40.8%). Most of the subjects had severe energy deficits (53.5%), protein (93.0%), carbohydrates (77.5%), vitamin C (88.7%) and iron (67.6%), and excessive fat intake (50.7%). The correlation test results showed that there was no significant relationship between nutritional adequacy level and status of the subjects (p>0.05).
Keyword: availability of energy and nutrients, food preparation, level of nutritional adequacy, nutritional status

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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