Judul: Pengujian Sensor Kadar Air Tanah dengan Metode Konduktivitas Listrik pada Volume Pot Kalibrasi Berbeda
Abstrak: Measurement of Soil Moisture can be done indirectly as the electrical conductivity method. The number of electrodes used in these methods are generally of two electrodes. Smaller volume of soil at the time of calibration allows the electric field is not the same as it reads the field so that the resistance will vary with the actual. Thus, necessary to test the consistency of the value of the sensor electrode configuration with two different soil volumes. Tests have been conducted on small and large pots with each soil volume 600 cm3 and 2100 cm3and has also been tested on five electrode configurations that are rarely used. The test results showed the two electrode configurations resistance to the moisture values on the two types of pots have a large difference in resistance values.Limitations on the volume of small pots are resulting in a higher resistance value than the big pot. While the five-electrode configuration provides resistance to water content values tend to be uniform both on big and small pots. So the use of five-electrode sensor configuration provides a more accurate value and results of the calibration process more able to represent field conditions.
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Judul: Uji konduktivitas listrik terhadap kadar air tanah dramaga Bogor dengan metode wenner dan sifat fisik tanahnya
Abstrak: Have been research about method of electromagnetic measurement with four electrode system of Wenner configuraton to determine electrical conductivity of buried and also relation to the water content which consisted. Characterization physical properties, like : Bulk Density, porosity, aggregate stability, mineral content, and texture also soif chemical properties of buried to determine micro and macro element. Measurement electrical conductivity is conducted with variation of deepness of electrode 5 cm, I0 cm , and 15 cm at the same time with intake of sampel of land then measured water content with gravimetric methode. Soil sampie also taken to be analysed by content of mineral with microscope and content of element by AAS ( Atomic Absorbtion Spectrometry).
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Judul: Infeksi Virus Parainfluenza Pada Anjing
Abstrak: Virus parainfluenza anjing termasuk famili Paramyxoviridae, berbentuk pleomorf dengan ukuran bervariasi (bergaris tengah antara 100-500 nm), berpembungkus peka ether, berisi genom RNA dan secara serologis mempunyai kesamaan dengan virus SV-5 kera; dikenak sebagai salah satu kausa penting dari sindrom "kennel cough". Infeksinya dapat mengenai anjing semua umur yang belum pernah terinfeksi atau mendapatkan vaksinasi mengakibatkan gejala klinis ringan yang terbatas pada traktus respirasi atu infeksi yang secara klinis tidak memperlihatkan gejala nyata. Gejala klinis yang nampak setelah masa inkubasi (1-5 hari) terlewati berupa batuk yang tidak berat selama beberapa hari, berbagai tingkat tonsilitis dan pharyngitis dan kadang-kadang ditemukan kenaikan temperatur rektal antara 1-2 derajat C dari temperatur normal rat-rata. Anjing terinfeksi mengandung virus pada traktus respirasi bagian atas dan bawah serta limfonoduli sampai hari ke 9 setelah infeksi. Penyebaran virus antar anjing terjadi secara aerogen.
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