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- 저자 : 이부형 ( Bu-hyung Lee ) (검색결과 3 건)
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국산홍화자(國産紅花子) 및 국산홍화자(國産紅花子)와 estradiol 병용투여가 난소적출로 유발된 흰쥐의 골다공증에 미치는 영향
김종헌,김미려,변부형,박지하,김종대,이은숙,서부일,Kim, Jong-Hun,Kim, Mi-Ryo,Byun, Bu-Hyung,Park, Ji-Ha,Kim, Jong-Dae,Lee, Eun-Sook,Seo, Bu-Il 대한한의학방제학회 2001 大韓韓醫學方劑學會誌 Vol.9 No.1
Objective: The present study has been undertaken to investigate the effects of Korean Carthami Semen and Estradiol-Carthami Semen co-treatment on osteoporosis in ovariectomized rats. Method: In this experiment, the rats were ovariectomized. Rats were administered 3 kinds of medicine, Korean Carthami Semen, Estradiol, and Estradiol-Carthami Semen, which were taken orally. The levels of bone mineral density, osteocalcin, estradiol, ALP, phosphorus, calcium in serum, deoxypyridinoline in urine, calcium, phosphorus, ash weight of bone, body weight and uterus weight were measured. Results: These experimetal results, it appears that the only Carthami Semen have more less efficacy on osteoporosis but $E_2$-Carthami Semen co-treated group showed more effective on osteoporosis. Conclusions: Further west-east medicine combination study should be conducted to illustrate in depth the curing osteoporosis.
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R&D와 규모의 영세성이 산업별 총요소생산성에 미치는 영향
김정환,이동기,이부형,주원,Kim, Jung-Hwan,Lee, Dong-Ki,Lee, Bu-Hyung,Joo, Won 한국벤처창업학회 2007 벤처창업연구 Vol.2 No.4
There were many comprehensive analyses conducted within the existing research activities wherein factors affecting technology progress including investment in R&D vis-${\Box}$-vis their influences act as the determinants of TFP. Note, however, that there were few comprehensive analysis in the industrial research performed regarding the impact of the economy of scale as it affects TFP; most of these research studies dealt with the analysis of the non -parametric Malmquist productivity index or used the stochastic frontier production function models. No comprehensive analysis on the impacts of individual independent variables affecting TFP was performed. Therefore, this study obtained the TFP increase rate of each industry by analyzing the factors of the existing growth accounting equation and comprehensively analyzed the TFP determinants by constructing a comprehensive analysis model considering the investment in R&D and economy of scale (smallness by industry) as the influencers of TFP by industry. First, for the TFP increase rate of the 15 industries as a whole, the annual average increase rate for 1993${\sim}$ 1997 was approximately 3.8% only; during 1999${\sim}$ 2000 following the foreign exchange crisis, however, the annual increase rate rose to approximately 7.8%. By industry, the annual average increase rate of TFP between 1993 and 2000 stood at 11.6%, the highest in the electrical and electronic equipment manufacturing business and IT manufacturing sector. In contrast, a -0.4% increase rate was recorded in the furniture and other product manufacturing sectors. In the case of the service industry, the TFP increase rate was 7.3% in the transportation, warehousing, and communication sectors. This is much higher than the 2.9% posted in the electricity, water, and gas sectors and -3.7% recorded in the wholesale, food, and hotel businesses. The results of the comprehensive analysis conducted on the determinants of TFP showed that the correlations between R&D and TFP in general were positive (+) correlations whose significance has yet to be validated; in the model where the self-employed and unpaid family workers were used as proxy variables indicating the smallness of industry out of the total number of workers, however, significant negative (-) correlations were noted. On the other hand, the estimation factors of variables surrogating the smallness of scale in each industry showed that a consistently high "smallness of scale" in an industry means a decrease in the increase rate of TFP in the same industry.
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강전희 ( Jun-hee Kang ),박병구 ( Byung-ku Park ),강희준 ( Hee-jun Kang ),이부형 ( Bu-hyung Lee ),김치수 ( Chi-su Kim ),김황래 ( Hwang-rae Kim ),공헌택 ( Heon-taek Kong ),임재현 ( Jae-hyun Lim ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.2
유비쿼터스 컴퓨팅의 한 부분인 RFID 기술은 사무실의 근태 관리 시스템 등에 사용되고 있다. 본 연구에서는 기존 근태 관리 시스템을 개선하여 상황인식 기술이 추가된 RFID 기반 근태 관리 시스템을 제안한다. RFID 기반 근태 관리 시스템은 사무실 전체에서 실시간으로 RFID 리더 및 센서로 다양한 정보를 읽고 분석하며, 분석된 정보를 이용하여 주변 환경을 제어한다.
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