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: Trichuriasis pada anjing
Abstrak: Tulisan ini bertujuan menguraikan trichuriasis pada anjing meliputi etiologi, epizootiologi, daur hidup, pato- genesa, gejala klinis, diagnosa, diagnosa banding, progno- sa, dan pengobatan berdasarkan berbagai acuan kepustakaan. Pada tulisan ini lebih ditekankan mengenai segi klinisnya terutama tentang diagnosa, pencegahan, dan pengobatannya. Trichuriasis pada anjing adalah infeksi/radang akut cecum dan colon yang disebabkan oleh parasit cacing Tri- churis vulpis Froelich, 1789. Terdapat di mana-mana di seluruh dunia dan menyerang hampir semua jenis ternak se- perti anjing dan rubah, kucing, rodentia, babi, ruminantia primata, dan manusia. T. vulpis bersifat zoonosis, penu- laran terjadi melalui makanan dan minuman yang terkontami- nasi telur infektif. Daur hidupnya bersifat langsung dan sederhana. Telur yang dikeluarkan cacing betina di luar tubuh induk semang tidak menetas, tetapi mengalami perkembangan larva di da- lam telur. Bila telur infektif termakan, maka di dalam tubuh induk semang akan menetas dan selanjutnya berkembang menjadi cacing dewasa yang hidup di cecum dan colon an- jing. Masa prepaten T. vulpis sangat beragam berkisar an- tara 28-35 hari (Jubb dan Kennedy, 1970) sampai 70-197 ha- ri (Kirk dan Bistner, 1985), dengan rata-rata 10 minggu...dst
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