Judul: Kajian Sifat Listrik dan Aplikasi Medan Listrik terhadap Kualitas Susu Sapi Segar.
Abstrak: Fresh cow milk had many nutrients for the human body. However, thermal processing to the cow’s milk can damage the nutritional content. For that it should be done further research of non-thermal process to cow's milk to reduce the nutritional damage. Non-thermal process which was being developed is HPEF method. However, this method did not develop yet on industries due to high production cost and energy consumption. This study applied low-voltage electric field on the process of fresh cow's milk pasteurization. Application of electric field had been conducted to assess the changing of the quality of fresh cow's milk. The magnitude of the electric field used was 10 V / mm and 25 V / mm with frequency variation of 100, 300, and 500 kHz. Duration of electric field treatment performed for 1 hour, 3 hours, and 5 hours. Application of electric field was done by using a set of generators produced an electric field. To test the effectiveness of the electric field application did by pH, protein content, fat content, and electricity characteristics testing from cow's milk. pH value measured with pH meter, protein levels measured with formol titration method, and the fat content measured with Gerber method, and for electrical characteristics measured by LCR meter. Result shown, electric field application can inhibit bacteria growth on fresh cow's milk which was stored in temperature room. Electric field application 25 V/mm with 300 kHz frequency for an hour inhibited bacterial growth around 77%. Electric field effect to the milk quality parameters did not show significant changing to pH level, protein content, and fat content. Cow's milk electrical characteristics such as conductance spectrum, and capacitance spectrum increased after electric field treated.
Keyword: bacteria, capacitance, conductance, fats, electric field, pH, protein

Judul: Pengaruh Aplikasi High Pulsed Electric Field dengan Frekuensi dan Waktu Berbeda terhadap Pertumbuhan Salmonella Typhimurium ATCC 14028 dan Kandungan Nutrisi pada Susu Kambing
Abstrak: Susu kambing memiliki keistimewaan yaitu tinggi kandungan protein dan vitamin A, memiliki jumlah laktosa yang lebih sedikit sehingga tidak menyebabkan diare, anti alergi serta memiliki bentuk butiran lemak susu yang homogen dan berdiameter kecil sehingga mudah diserap organ pencernaan. Jaminan keamanan produk pangan asal susu kambing perah perlu mendapat perhatian khusus karena terdapat kepercayaan di masyarakat akan khasiat susu kambing bagi kesehatan jika dikonsumsi dalam keadaan mentah, semantara hasil penelitian mendapatkan rendahnya kualitas mikrobiologis susu kambing mentah yang beredar di pasaran (Taufik el al., 2008). Penelitian ini bertujuan mengaplikasikan suatu teknologi pasteurisasi non konvensional yaitu teknologi pasteurisasi non termal dengan medan pulsa listrik tegangan tinggi (High Pulse Electric Field/HPEF) dan mempelajari pengaruh frekuensi dan lama waktu aplikasi yang berbeda dari metode HPEF dalam menekan pertumbuhan bakteri patogen Salmonella Typhimurium ATCC 14028 dan pengaruhnya terhadap kandungan nutrisi susu kambing. Aplikasi metode pasteurisasi dengan HPEF didasarkan pada dua teori utama, yaitu electrical breakdown dan teori elektroporasi membran sel akibat adanya medan pulsa listrik tegangan tinggi yang mengakibatkan inaktivasi sel mikroba.
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Judul: Perencanaan Lanskap Jalan Western By Pass di Kotamadya Denpasar, Bali
Abstrak: Jalan Western By Pass dengan panjang keseluruhan .t 13 km merupakan salah satu jalan yang akan dibangun di wilayah Denpasar bagian barat, digunakan untuk menghubungkan daerah-daerah di sebelah utara (Tabanan, Kintamani, Sangeh, dll) dan selatan Denpasar (Kuta dan Nusa Dua). Jalan yang berfungsi sebagai jalan Arteri Primer ini bersama-sama dengan Northern dan Southern By Pass akan membentuk jaringan Outer Ring Road yang mengelilingi Kotamadya Denpasar dan direncanakan selesai serta mulai beroperasi secara optimal pada tahun 2002.
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