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Lee's 메뉴엔지니어링 분석법(LME)의 적용 - 이탈리아 피자류를 중심으로 -
이성호,Lee, Sung-Ho 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.1
The purpose of this study is an application of Lee's Menu Engineering (LME) method for menu analysis on the eight kinds of pizza selected from 17 kinds of pizza served by an Italian restaurant near by the Keimyung College University campus. The eliminated nine items were in the third quadrant or below the trend line. The LME method is more efficient than generally used methods such as the Miller, Kasavana & Smith, Uman, Pavesic and Merricks & Jones method. The LME method comprises reference lines and four quadrants created by x, y axes and its average values. The x and y axes comprise the sales ratio (MM%, percentage of the Menu Mix) and the weighted contribution margin (WCM%, percentage of the Weighted Contribution Margin) respectively. The obtained results are such that total sales increased by 1.59% from 58,747,200 won to 59,684,000 won, despite the decrease in sales volume. Total contribution margin also increased from 35,248,320 won to 35,810,400 won. The trend line also shows from y=0.9147x (R<sup>2</sup>=0.703) to y=0.9944x (R<sup>2</sup>=0.9893). These results indicate that the LME method is superior in practical applications.
견의 총백혈구수 및 호산구수의 동시적계산을 위한 개량희석액에 관한 연구
이성호,이방환,이원창,Lee Sung Ho,Lee Bang Whan,Lee Won Chang 대한수의사회 1978 대한수의사회지 Vol.14 No.1
The study was conducted in an attempt to estimate the efficiency of various diluting fluids for eosinophil count to oxalated blood and EDTA blood of human and canine, and to prepare the improved diluting fluid adaptable to concurrent direct counts of eosi
이성호,이요섭,김홍덕,이경수,황경모,Lee, Sung Ho,Lee, Yo Seob,Kim, Hong Deok,Lee, Kyoung Soo,Hwang, Kyeong Mo 한국압력기기공학회 2015 한국압력기기공학회 논문집 Vol.11 No.2
Local wall thinning and integrity degradation caused by several mechanisms, such as flow accelerated corrosion, cavitation, flashing and/or liquid droplet impingement, is a main concern in secondary steam cycle piping system of nuclear power plants in terms of safety and operability. Thinned pipe management program (TPMP) has being developed and optimized to reduce the possibility of unplanned shutdown and/or power reduction due to pipe failure caused by wall thinning. In this paper, newest technologies, standards and regulations related to the integrity assessment, repair and replacement of thinned pipe component are reviewed. And technical improvement items in TPMP to secure the reliability and effectiveness are also presented.
나트륨 섭취량 추정을 위한 소변 중 Cl<sup>-</sup>의 간이적 측정방법의 유용성 검증
이성호,이채준,주성미,이현주,라왕연,김순옥,Lee, Sung-Ho,Lee, Chae-Joon,Ju, Sung-Mi,Lee, Hyun-Joo,Ra, Wang-Yeon,Kim, Soon-Ok 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.1
The purpose of this study was to measure concentrations of $K^+$, $Na^+$, $Cl^-$ by ionometer with check salt strip, simple salimeter and Ion-selective electrode (ISE) and compare the results of each mensuration; furthermore, the possibility of inferring the $Na^+$ concentration from $Cl^-$ concentration of urine and the impact of $K^+$ on the concentration of each ion was examined. The results showed that ISE determined $Na^+$ and $Cl^-$ concentrations in the urine are highly interrelated (R=0.9039); in addition, concentrations of $Cl^-$, measured with strip and ISE from urine are highly interrelated (R=0.9338). The concentration of $Na^+$ in urine, inferred by measuring $Cl^-$ concentration with strip, has a high relationship (R=0.8580) with the concentration of $Na^+$ in urine, measured by ISE. The results of our study will increase awareness of $Na^+$ intake and the utility of check salt strip, as well as the possibility of inferred $Na^+$ concentration from measures of $Cl^-$ concentration as a screening test for reducing sodium intake.
이성호,박노국,Lee, Song-Hoo,Park, Roh-Gook 한국벤처창업학회 2012 벤처창업연구 Vol.7 No.3
This study performs an empirical analysis of relationships between business start-up factors, product/service level, and business performance of restaurant business start-up. This study has some limitations in that it covers only the restaurants in Kangwon-Do province instead of nationwide, it considers only four start-up factors, and it measures the business performance only by the increase in net-profit and customers excluding other financial performance factors. Some in-depth case study for successful versus nonsuccessful groups considering the features of industrial types is left for further study. 연구는 음식업 분야의 창업자들의 창업 요인, 제품/서비스 수준, 그리고 경영 성과의 관련성을 파악하기 위하여 실증분석을 수행하였다. 그러나 본 연구는 조사대상 업소의 선정과 측정은 전국에 분포하고 있는 전 업종을 대상으로 진행되어야하나, 강원도 지역으로 한정한 점과 창업 요인을 네 가지 요인으로 제한 점, 그리고 경영 성과를 다른 재무적 성과 지표를 제외시키고 순이익 증가와 고객 증가만을 측정하였다는 한계를 지닌다. 다음 연구에서는 설문에 의한 실증분석과 병행하여 산업 분야별 특성을 고려한 객관성이 있는 연구를 위해서는 성공적이라고 평가되는 대상군과 성공적이지 못한 대상군을 대상으로 한 심층적인 사례연구도 필요할 것이다.