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살균온도(殺菌溫度)에 따른 시유의 휘발성 Carbonyl 화합물의 생성에 관한 연구
정의용,유제현,서형완 한국낙농학회 1983 韓國酪農學會誌 Vol.5 No.1
This experiment was carried out to analyze, compare, and examine the effect which pasteurizing temperature (LTLT: 65℃/30minutes, HTST: 72-75℃/15seconds, 82℃/25seconds and UHT: 135℃/2seconds) in industrial pasteurizing method of milk affected to form volatile carbonyl compounds, flavor components of market milk, by TLC and GLC, and to search fundamental data for the flavor of market milk. The results obtained were summarized as follows: 1. The volatile carbonyl compounds identified by TLC, only 3 components of formaldehyde, acetaldehyde and acetone were detected in raw milk. But formaldehyde, acetaldehyde, acetone, and propionaldehyde were identified in pasteurized market milk, besides unidentified components were present. 2. The analytical results by GLC, no heated raw milk was the most abundant in 70.26% of acetaldehyde, and was consisted of 27.28% of formaldehyde, 2.46% of acetone. 3. In the market milk pasteurized by low temperature long time at 63℃ for 30minutes, the volatile carbonyl compounds was consisted of 69.97% of acetone, 14.92% of acetaldehyde and 3.23% of formaldehyde, and 8.01% of 2-heptanone and 3.87% of propionaldehyde, not present in raw milk, were produced. 4. The market milk pasteuized by high temperature short time at 72-75℃ for 15seconds was consisted of 51.18% of actaldehyde 17.19% of acetone, 14.57% of propionaldehyde, 8.37% of formaldehyde and 3.98% of 2-heptanone, and 2.62% of diacetyl, 1.19% of n-pentaldehyde and 0.90% of n-butryraldehyde were produced unlike the market milk heated at 63℃. 2-heptanone (19.99%) in market milk pasteurized at 82℃ for 25seconds was suddenly increased in comparision with the market milk pasteurized at 72-75℃ for 25seconds. Acetaldehyde (54.64%), n-butyraldehyde (1.73%), n-pentaldehyde (2.06%) and diacetyl (2.78%) also were slightly increased. However, formaldehyde (1.99%), acetone (8.87%) and propionaldehyde (7.92%) were shown the decreased tendency. 5. The market milk pasteurized by ultra high temperature at 135℃ for 2seconds was contained of 57.69% of acetone, 27.47% of acetaldehyde, 11.17% of 2-heptaneone, 2.08% of formaldehyde and 1.59% of propionaldehyde, and a trace amount of n-butyraldehyde, diacetyl and n-pentaldehyde were generally similar to those of market milk heated at 63℃ in component pattern.
鄭義容 嶺南大學校 工業技術硏究所 1983 연구보고 Vol.11 No.1
Architectural space concept, which is defined as「Architectural form enclosed by the volume of human behavior」or「Limits of the space which a person is closely united with fundamental space concept which lies at the root human existence. In order to grasp these Existential Space, the study which can convert Existential Space into Objectified Space which can harmonize space structure with human behavior structure by using Geometrical and Physical space concept, visual space concept of psychology rather than idealism, is required. Concludedly the main themes of this study are, systematic and a comprehensive study of 3-dimensional spational system; a theory of their interrelationships and the possibilities for application of such systems or at least some of them to interior (hard Env.) and exterior (soft Env.) spatial design.
정의용,Jeong, Ui-Yong 한국과학기술단체총연합회 1994 과학과 기술 Vol.27 No.6
UR의 충격이 채 가시기도 전에 GRㆍTR등 새로운 라운드의 파고가 집더미처럼 몰려오고 있다. 선진국의 경제패권ㆍ기술패권주의의 일환으로 무자비하게 다가오고 있는 이들 파고를 지혜롭게 극복하는 길은 무엇일까? 이 일이야말로 우리가 2000년대의 선진국대열에 합류하느냐 아니면 지금보다 못한 중하위권으로 처지느냐의 갈림길이 될 것이다. 국제화ㆍ개방화시대에 대비한 우리 과학기술의 나아갈 길을 모색해 보았다.
鄭義容 嶺南大學校 環境問題硏究所 1986 環境硏究 Vol.6 No.1
Architecture is the Compound of material and human spirit. From this relation the confronting concept between functional aspects and formal aspects that are fundamental elements in Architecture can be generated. In this study, the relation of man and Architectural space is deduced from aspects to which internal or external regultion elements in architectural design for formulation of Human-centered environment converge. The results of this study are as follow. By inter supplemental order of hierarchy, the function of architectural space is composed complicately with 5 factors: 1. Factor of Need by development stage of human consciousness and behavior. 2. Factor of Telesis by environmental condition and human relation. 3. Associational factor considering response of human consciousness to space. 4. Aesthetic factor by criteria of human Judgement on space. 5. Factor of uses by human usage of space.
정의용 대한교통학회 1999 대한교통학회 기타자료 Vol.1996 No.-
o 도로의 점용에는 도로의 기능 및 용량제고를 위한 각종공사와 행사 등으로 국민생활수준 향상을 위해서는 불가피하게 시행될 수 밖에 없음 o 그러나 매년 수만건에 이르는 도로접용공사나 행사에 대한 교통관리가 효율적으로 관리되지 못하여 심각한 교통체증을 야기하고, 이로 인하여 도로이용자에게 많은 물리적•정신적•경제적 피해를 주고 있는 실정임 o 그럼에도 불구하고 현재 도로점용에 관한 규제 및 관리를 위한 법령이나 지침의 시행이 현실적으로 시행되지 못하고 있어 체계적인 교통관리가 절실히 요구되고 있음 o 따라서 이를 위하여 효율적인 법적 제도적 장치를 마련하여야 하며 도로의 점용으로 인한 도로이용자들의 통행권 규제가 완화되어야 함
정의용 嶺南大學校 工業技術硏究所 1998 工業技術硏究所論文集 Vol.26 No.2
The performance concept is based on the assumption that a building is designed and built to support, and enhance, the activities and goals of its occupants. Therefore, the performance concept facilitates an objective evaluation method by comparing stated performance criteria for buildings with the actual performance as measured or perceived by building occupants and evaluators. Performance evaluation relates client goals and performance criteria to the actual, objectively and subjectively measurable building performance. Performance criteria used in evaluation are developed from goals and objectives which in themselves are derived from values held by occupants, evaluators and owners. Frequently, there are differences in values among various groups or units of the same organization. The purpose of this study is to systemize the aspects of the performance evaluation and to propose a integrative model to evaluate building performance.