Judul: Analisis sistem pengendalian persediaan suku cadang di PT Yanmar Diesel Indonesia Cimanggis Bogor
Abstrak: Pertambahan penduduk yang disertai dengan berkurang- nya lahan dan tenaga kerja untuk pertanian dari tahun ke tahun menyebabkan perlunya dilakukan penerapan mekanisasi pada setiap operasi pertanian untuk meningkatkan efisiensi dan produktivitas. Manajemen pengendalian persediaan pada industri yang mendukung mekanisasi pertanian merupakan usaha untuk menjaga kesinambungan atau kestabilan pro- duksi. Tujuan penelitian ini adalah unntuk memperoleh gambaran kebijaksanaan, faktor-faktor dan parameter- parameter dan melakukan simulasi pada sistem pengendalian persediaan suku cadang industri perakitan motor diesel. Analisis sistem dilakukan dengan menggunakan teknik simulasi stokastik dengan bantuan komputer, karena peran- cangan model analitis sistem sulit untuk dilakukan. Dan bahasa pemrograman yang digunakan adalah Turbo Pascal 5.5 untuk memperoleh kemudahan penulisan dan kecepatan ekse- kusi program yang tinggi. Hasil analisis data menunjukkan bahwa distribusi data sistem tidak bersesuaian dengan distribusi normal ...
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Judul: Analisis model jaringan kerja pada perakitan motor diesel model ts 50 (C) di PT Yanmar Diesel Indonesia Bogor, Jawa Barat
Abstrak: Keberhasilan suatu proses produksi ditentukan oleh organisasi yang baik serta teknik perencanaan dan pengawasan yang digunakan. Disamping i t u , kondisi pabrik yang rumit s e p e r t i halnya industri alat-alat penggerak d i Indonesia, mengisyaratkan perlu adanya suatu teknik yang dapat digunakan dalam perencanaan dan pengawasan sekaligus, yang menuntut suatu sistem yang cepat, efektif dan terkendali.
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Judul: Phylogeography and Species Limits in the Papuan White Snake (Micropechis ikaheka) (Reptilia: Serpentes: Elapidae)
Abstrak: Papua white snake, Micropechis ikaheka, has been distingushed into two subspecies M.i. ikaheka and M.i. fasciatus. However, due to lack of data on their morphology, distribution and ecology, both subspecies often ignored in scintific discussions and refers only byas , Micropechis ikaheka. This study was designed to document the differences between M.i. ikaheka and M.i fasciatus by using scales characteristics and reproductive organ or hemipenes. The study also examine, zoogeography, habitat, diet and cannibalism of both subspecies to better understanding the the ecology of one of the most venomous snakes in the world. This study consists of three topics with method and also different in the size samples, respectively. The first study is the histology and microtopography of the skin were studied using paraffin method and Scanning Electron Microscope (SEM). The second is the hemipenis were examined by following Myers and Cadle (2003), and Zaher and Prudente (2003). The third is the abdominal surgery was carried out to document diet type and the investigate phenomenon of cannibalism in the snake. Specimens for this study came from the collection from Museum Zoologicum Bogoriense (MZB) and Universitas Negeri Papua’s Laboratory (LZU). The research result also indicated that the markers of skin and hemipenis described the same structure and microornamentation in all M. ikaheka groups being compared. Based specimens examined morphological descriptions do not s support the further differentiation in Micropechis. In short, two markers that used in this study could not sufficiently indicate the differences in the level of species and subspecies of M. ikaheka. The study, however, were able to delineate zoogeography and skin color patterns, which fall into four groups: M. i. ikaheka; M. i. fasciatus. M. i. ssp. “intermediate”; and M. i. ssp “black”. This study also revealed that color variations did not overlap in their geographic distribution. It is therefore, it suggested that environmental factors may contribute to the skin color variations. It also assumed that habitat discontinuous and biogeography factors may also cause the loss of the connection between the original populations (vicarians) or follow colonization events (dispersal). The examined of 22 stomach contents of M. ikaheka shows this species is carnivorous, and prey on vertebrates such as amphibians, fish, reptiles, and Mammals. These snakes are opportunistic predators since they prey on all that can be captured, but mainly reptiles (61.5%), followed by mammals and fish (both 15.4%), and amphibians (7.7%). Although categorized as terrestrial animal, the diet study showed that M. ikaheka snakes often go into the water to hunt for fish (the sample from Yapen island), including eel (the sample from Aru island). Based on prey items indentified, there is evidence that M. ikaheka is cannibal. At this time, there still no record on reason for cannibalism, but it is assumed that cannibalism was due to competition between populations and means to control population.
Keyword: geographic variation, white snake, papua