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反芻動物의 肝蛭類 및 胃腸內線蟲類에 對한 Nitroxynil-Levamisole 複合注射劑 詩製品의 驅蟲效果評價試驗
田桂植,閔弘基,張斗煥 梨花女子大學校 醫科大學 醫科學硏究所 1990 EMJ (Ewha medical journal) Vol.13 No.3
The present study was carried out to evaluate the efficacy of the experimentally prepared injection of nitroxynil-levamisole against liver fluke and gastrointestinal roundworms in goats and cattle. For the purpose, the dose confirmation trial, the dose reduction trial and clinical field trial were conducted according to "the guidelines for evaluating the efficacy of anthelmintics in ruminants" approved by the General Meeting of the 9th International Conference of the World Association for the Advancement of Veterin ary Parasitology" in 1981. The results obtained are summarized as follows ; 1) A single dose of 10mg/kg of nitroxynil injection alone against the liver fluke and that of 5.0mg/kg of levamisole injection alone against gastrointestinal roundworms in goats were highly effective in the cure rate and the egg reduction rate, respectively. 2) A single dose of the experimentally prepared compound injection at the dose levels of nitroxynil 10.0mg-12.0mg/kg and levamisole 5.0mg-6.0mg/kg was highly effective in the egg reduction rates of both liver fluke(98.4%-100%) and gastrointestinal roundworms(97.3%-98.4%) without any side reaction in goats. 3) A single does of the experimentally prepared compound injection at the reduced dose level of nitroxynil 7.5mg/kg and levamisole 5.0mg/kg was highly effective in the egg reduction rates of both liver fluke and gastrointestinal roundworms in goats. 4) In the clinical field trial, a single dose of the experimentally prepared compound injection at the reduced dose level of nitroxynil 7.5mg/kg and levamisole 5.0mg/kg showed also very high efficacy in the cure rates and the egg reduction rates of both liver fluke and gastrointestinal roundworms in Korean cattle, dairy cow and beef cattle. However, it was not effective against Ostertagia sp. among gastrointestinal roundworms. No side reactions were noted.
Design and Process Optimization of Polymer Filling for Bevel Guard Based on Numerical Analysis
Chun, Du Hwan,You, Byoung Hee,Lee, Ho Joon 한국섬유공학회 2014 FIBERS AND POLYMERS Vol.15 No.4
Injection molding has been widely used in the manufacturing of various polymer products, including housewares, home appliances, and automotive parts. A disposable medical device based on polymeric material at a low cost is another important area for injection molding. The numerical analysis was performed to predict the potential problem, often occurring during the manufacturing process of the medical device. Computer-aided engineering model was developed using industry-standard molding software, $MOLDFLOW^{(R)}$. The flow pattern of the molten polymer was investigated in the replication of butterfly shaped Catheter Support for various catheterization. The flow pattern and temperature distribution of the molded part were investigated through a series of analysis. The results of analysis with original design predicted non-uniform polymer flow with a poor weld line, unbalanced cavity filling, and uneven temperature distribution of the part. An appropriate gate location to achieve uniform flow pattern for mold filling was determined on the base of the predicted results and experience, considering the performance of the product and limitation of the production.