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Shelf Life Determination of Precooked Frozen Meat Dumplings
Lee, Young-Chun,Yang, Hyung-Sub,Kim, Dong-Ho 한국산업식품공학회 2002 산업 식품공학 Vol.6 No.3
Quality of frozen foods is significantly affected by the storage temperature and tie, and the consumers' demand for safe quality frozen foods is increasing. The objective of this research was to estimate the shelf life of frozen cooked meat dumplings, based on the changes in the selected physico-chemical and sensory quality attributes. Precooked frozen meat dumplings sampled from the same lot produced at a frozen food company in Seoul were stored at -10, -15, and -20℃. The meat dumplings sampled at 3- to 4-week intervals were subjected to the determination of volatile basic nitrogen (VBN), thiobarbituric acid (TBA), peroxide value (POV), surface color and shear value after thawing at 5℃ for 15 h. High quality life (HQL) was determined through the triangle test and practical quality life (PQL) through the scoring test. VBN, TBA and POV increased as the storage period was increased. HQL of the frozen meat dumplings were 189 and 252 days at -10 and -15℃, respectively. The estimated PQL were 349, 475, and 491 days at -10, -15, and -20 ℃, respectively. Statistical analysis indicated that there were significant relationships between sensory scores and VBN and POV of the stored meat dumplings. VBN was selected as the most reliable objective quality index for the shelf life determination (PQL) of the precooked frozen meat dumplings.
( Sul Lee ),( Hyung Joon Yoon ),( Eun Hye Jeon ),( Juseok Yang ),( Yong Jung Song ),( Hyun Jin Roh ),( Sang Hun Lee ),( Byung Su Kwon ),( Ki Hyung Kim ),( Dong Soo Suh ) 대한산부인과학회 2019 대한산부인과학회 학술대회 Vol.105 No.-
Objective: The aim of this study is to evaluate oncologic outcomes of total abdominal radical hysterectomy (TARH), total laparoscopic radical hysterectomy (TLRH) and laparoscopic-assisted radical vaginal hysterectomy (LARVH) in early cervical cancer patients (stage IB2-3, tumor size≥2cm), analyzing the risk factors that may affect the clinical results. Methods: A total of 756 patients underwent radical hysterectomy between 2000 and 2019 from three university hospitals (Pusan National University Hospital, Yang-san Pusan National University Hospital, Ulsan University Hospital) were enrolled. Among them, 172 patients with stage IB2-3 were analyzed retrospectively. Results: Seventy-seven patients were treated with TARH, and 95 were managed via minimally invasive surgery (MIS), consisting of 35 with TLRH and 60 with LARVH. TARH group had better disease five-year disease free survival (DFS) and overall survival (OS) compared with MIS group (86.4% vs. 73.4 for DFS and 91.7 vs. 82.2 for OS), but not statistically significant in both (p=0.058 for DFS and p=0.119 for OS). When TARH and the LARVH group were compared, both five-year DFS and OS were not significant different (86.4 vs 82.2%; p=0.288 for DFS and 91.7 vs 84.4%; p=0.206 for OS). However, when TARH and the TLRH group were compared, TLRH group had significantly worse five-year DFS than TARH (86.4 vs 54.5%; p=0.008), but five-year OS was not significant different (91.7 vs 77.5%; p=0.127). Multivariate analysis showed that LN metastasis and TLRH surgical approaches were an independent prognostic factor for DFS in IB2-3 cervical cancers. Conclusion: Our findings provided the evidence that TLRH surgical approach was associated with worse DFS in IB2-3 cervical cancers but that of LARVH was not. Such results may have important implications of colpotomy method for MIS in cervical cancer.
김형목,허영무,양대호,서대교 기계기술연구소 1999 성균관대학교 논문집 기계기술편 Vol.1 No.1
This paper describes experimental investigation on the forming limit for mash-seam welded sheets. The uniaxial tensile test was conducted to evaluate the mechanical properties of weld bead. Experimental forming limit diagrams were investigated for the different thicknesses and properties of welded sheets.
국내 갤러리의 공간 구성적 특성에 관한 연구 : 95년 이후 서울시 소재 갤러리 현황 파악을 중심으로
양형모,김용승 대한건축학회 2005 대한건축학회논문집 Vol.21 No.1
The study aims to find out the architectural characteristics of commercial art galleries with have been playing a significant role In distributing cultural knowledge in recent years This time the study deals with the whole part of the galleries in general because It is the first time to try to understand the commercial art galleries in architectural field In doing so, It analyses the area ratio of each functional space In order to find out the distributional features in overall spatial layout and at the same time the characteristics of the spatial configuration m order to understand the relationship between functional spaces As the result of the study, It has found that most of the commercial art galleries tend to concentrate on their commercial aspects rather than cultural aspects in spite of their cultural significance in Korea The study suggests that although they are commercial in their nature they need to be take some cultural characteristics in terms of spatial configuration in order to contribute to our society
유비쿼터스 컴퓨팅에서 얼굴 정보 인식을 이용한 감성 추론 연구
양동일,박순희,박용,김진봉,최형진 강원대학교 정보통신연구소 2007 정보통신논문지 Vol.11 No.-
Recently, much research have been done on ubiquitous computing models in advanced countries as well as in Korea. Ubiquitous computing is defined as a computing environment that isn't bounded by time and space. Different kinds of computers are embedded in artifacts, devices, and environment, thus people can be connected everywhere and everytime. To recognize user's emotion, facial expression, temperature, humidity, weather, and lightning factors are used and ontology is built using those. Ontology Web Language (OWL) is adopted to implement ontology and Jena is used as an emotional inference engine. The context-awareness service infrastructure suggested in this research can be divided into several modules by their functions.
유화제 첨가량이 MMA/BA 합성 라텍스 폴리머 시멘트 모르타르의 특성에 미치는 영향
형원길,조영철,장성주,김완기,소양섭 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
The purpose of this study is to clarify the effect of the emulsifier ratio on properties of the polymer modified mortar using methylmethacrylate-buthyl acrylate(MMA/BA) latexes, and to obtain basic data necessary to develope appropriate latexes for cement modifiers. Polymer modified mortars using MMA/BA latexes are prepared with various monomer ratios, and tested for air content, flexural and compressive strengths. From the test results. we knew that the water-cement ratio is decreased with an increase in the amount of emulsifier. And the air content is increase with an increase in the polymer cement ratios. In general, the superior compressive and flexural strength of polymer-modified mortars using MMIA/GA latexes is obtained ant a bound MMA content of 80 percent and a emulsifier ratio of 6 percent.
양재선,박형달 순천대학교 지역개발연구소 1997 地域開發硏究 Vol.8 No.-
This study is intended to analyze the essence of development plan of Kwangyang bay area. The contents of this development plan divided as two parts. They are about container port and industrial zone. Especially the development of industrial zone is related to the Kwangyang container port evolvement. If Kwangyang harber can be a eminent role in East-North Asia, this region will be a high-tech export industry collectives. To accomplish these goals, the government and local bodies should recognize the importance of this region's development and make effort to maximize development effort. Kwangyang bay area prosperity will enable Korea to realize secondary economic miracle.