Judul: Analisis Unjuk Kerja “Co Seeders” Prototipe II Alat Penanam Benih Yang Penanam benih yang presisi dan flexsibel
Abstrak: Regarding to the increasing of Indonesian corn demands, thus it will need more development of technology to support the increase of such productivity. The development of technology could be many ways and one of them is the development of mechanization technology. In order to support corn cultivation is seeding process which is also needed to develop a new technology in planting corn seeds. “CO Seeders” is offered solution due to its technology in planting corn seeds with precise and flexible operation system. “CO Seeders” abilities are make seedbeds, précising the number of seeds, close the bed and make a burrow path for fertilizers. Moreover, in planting corn seeds “CO Seeders” work at 20 x 80 cm planting area. It has 2 type of drill which have different ability in making the seedbed hole. The first is the triangle prism type drill which is obtain 3.65 cm depth of the seedbed hole and the other is the cone type which obtain 4.9 cm depth of the seedbed hole. The ration of seed planted with triangle prism drill is 75% and 64.5% for cone drill. From experiment “CO Seeders” performance provide different results of each drill type. “CO Seeders” with triangle prism drill type capacity obtained is 11.65 hours/ha with 85% field efficiency and the cone drill type capacity is 12.5 hours/ha with 63.49% field efficiency. Nevertheless in operating such machine problems still occurred. There are problem in rotation of furadan metering device because of furadan grain still clogged the gap between hopper and metering device which make the device stuck and won’t rotate constantly.
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Judul: Analisis Biaya Alat Tanam Benih Jagung (Zea Mays L.) Tipe Tugal, Semi Mekanis dan Mekanis
Abstrak: The development of corn agroindustry nowadays is always followed by the development of sustainable mechanization technology. The mechanization technologies have been applied in corn production process, especially for soil tillaging, but not much applied in seeding process. Many innovation and experiment that concern in seeding technology have been done by academician. Yet the innovation have been well developed, the study of financial aspect in the application of such newly developed technology is often neglected. Besides the study of financial aspect is as important as study on its performance. Thus, the process of developing new technology should be enhanced with study on its financial aspects such as feasibility study. Purpose of this research proposal is to have a engineering economy analysis on newly developed corn seeding technology, they are semi-mechanical corn seeder “CO Seeders” which developed by Mechanical and Biosystem Engineering (Bogor Agricultural University) students, dibble corn seeder “V Model” and mechanical corn seeder “Grain Seeder” which developed by Development Center of Agricultural Mechanization. Evaluation of such alternatives will be studied in order to obtain the conclusion of a machine that has the best cost efficiency. Evaluation of alternative will be conducted using Present Worth Cost (PWC) method and base cost method. Engineering economic modelling with PWC method shown that the “Grain Seeder” mechanical type corn seeder is have the least cost at 61 ha and more whereas the base cost method have the “Grain Seeder” least cost at 37 ha and more .
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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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