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강욱중,정상화,고강훈,서기영,이현우 한국조명전기설비학회 2001 조명·전기설비학회논문지 Vol.15 No.6
There are several electricity applied sterilizers such as using high frequency, ozone, high voltage, and so on. Those sterilizers feature "because of no chemical process and no secondly environmental pollution". At the power conversion part, ZVS and ZCS methods have been used that it results in reduced switching loss, miniaturized size, and lightened weight. Besides, the current in the propose device is smaller than that of existing method. Thus, it is expected that the cost of sterilization process, when quality of the device is measured by power consumption, will be reduce. Therefore, the purpose of this research is to solve the sterilization problems of existing powder with high voltage and field to and more economical and effective way, and to suggest mere improved sterilizer.
간접형광항체반응에 의한 인체낭미충증의 혈청학적 진단에 관한 연구
강욱중,엄기선,임한종 고려대학교 의과대학 1987 고려대 의대 잡지 Vol.24 No.1
The indirect fluorescent antibody test (IFAT) for cysticercosis was accomplished with the sectioned cyst wall tissue antigen which was made with the cyst in the fourth ventricle of human brain. The antigen was revealed on the tegument, nuclear layer and internal surface of the bladder wall with FITC conjugated IgG fraction goat antihuman immunoglobulins. Total 236 sera were tested which were obtained from 24 cases of confirmed cerebral or dermal cysticercosis patients, 33 cases of suspected cysticercosis, 50 cases of intestinal or tissue invading larval cestodiasis, 50 cases of trematodiasis, 14 cases of nematodiasis or elevated eosinophilia and 65 cases of non-infected control sera. The serum titer of 1:16 or over was regarded as positive. Twenty three out of twenty four (95.8%) sera from confirmed cysticercosis patients were positive. Serum titer of 65 non-infected controls showed 1:8 or below. Twelve cases out of thirty three (36.4%) suspected cases of cysticercosis were revealed as positive. And cross reactions were observed in taeniasis solium (40.0%), taeniasis saginata (13.3%), diphyllobothridiasis laturn (11.8%) and lonorchiasis sinensis (2.8%). The mean titer of cerebral cysticercosis (7.60 in log₂) was higher than those of mixed (5.61 in log₂) and dermal cysticercosis (5.44 in log₂). The titers of cerebral cysticercosis patient's sera who were treated with praziquantel were not changed at least within six months in four cases out of seven followed up cases. In four to five year after treatment with praziquantel it showed decreased or negatively converted serum titers. Conclusively, it was indicated that indirect fluorescent antibody test using the sectioned antigen of Taenia solium cysticerci was applicable to the diagnosis of cysticercosis.
서기영,이현우,문상필,강욱중 慶南大學校 附設 工業技術硏究所 1999 硏究論文集 Vol.17 No.-
본 연구에서는 정밀, 소형제동에 사용되는 브러시리스 DC모터의 정밀 운전시 문제가 되는 코킹 토크의 저감을 위하여 코킹 토크 형성에 관한 특정식을 유도하여 그 성질을 파악하고 특정식을 토대로 코킹 토크저감을 위한 설계법을 제안하였다. The Paper characteristics equation of cogging torque is induced to learn this characteristics and on the ground of this equation, the design method is proposed for reducing cogging torque which is the problem to precisely drive DC brushless motor used in precise control system.