• 환경영향평가
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• 제6권2호
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• pp.61-80
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• 1997

This study tried to propose the guidelines for the ecological preservation zoning in Korea. So some related laws and regulations were inspected, which were Natural Environment Preservation Act, Nature Park Act, Cultural Asset Conservation Act, Forest Act and Urban Planning Act. In these acts, I could find several concepts related to the ecosystem that are described as the protection area. But there aren't detailed and practical characteristics in those concepts. So for making the practical concept of ecosystem preservation, I considered Multiple Use Module, Wildlife habitat model, and Environmental evaluation model. Thorough this step, the process and methodology was established for evaluating and analysing. The potentiality of the GIS system was inspected. So the TM5 scene of the site was acquired and processed by ER-Mapper, Idrisi, Arc/Info and Arcview. And several digitized data were input by scanning and vecterizing. The Erdas format was mostly exchangeable to any program. The site is the Byonsan Peninsula National Park. The forest stand information and topographic data were digitized, types of which are forest year, DBH, density, slope, aspect etc. And also the watershed boundary, roads and paths, natural and cultural resources were mapped and analysed. Modelling of preservation suitability found the dispersed patterns for the best suitable zone through all the site. And the development potential areas were checked on downwatershed. This patterns are thought to result from the forest location for the wildlife habitat and the low altitude and no-steep slopes for developing. And Early warning system concept was introduced by overlapping these two patterns on the both potential area. As the conclusions, I proposed that the preservation zone be assigned according to the watershed unit as the main ecosystem zone. This main area should be linked by the eco-corridor through the point type eco-system. Finally, I thought the comprehensive information system should be established for making the rational and efficient decision making in natural area.

• 한국식품저장유통학회지
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• 제14권6호
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• pp.650-654
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• 2007

식혜 고유의 시원한 맛과 인삼의 독특한 맛을 가미한 인삼식혜를 제조하기 위해 본 연구에서는 엿기름 20 g, 고두밥 400 g을 기준으로 하여 여기에 각 인삼분말을 고두밥양의 $3{\sim}12%$, teramyl효소 0.2 mL을 각각 첨가한 후 인삼식혜 제조에 있어 당화공정의 특성을 분석하였다. 인삼식혜의 당화공정은 일반 식혜의 당화공정과 같이 당화 온도 및 당화 시간이 증가할수록 당화력이 증가 하는 경향을 보였다. 하지만 본 실험에서 제조한 인삼식혜의 유리당 분석을 한 결과 식혜고유의 주성분인 말토오스 함량이 일반 식혜보다 훨씬 높은 4.3%이상의 농도를 나타내고 있어 시판식혜에 비해 우수한 품질의 특성을 보였다.

• Journal of the Korean Statistical Society
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• 제28권4호
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• pp.515-522
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• 1999

A repair process of a system consisting of both perfect repairs and minimal repairs is introduced. The type of repair, when the system fails, is determined by an embedded two state Markov chain. We study several stochastic properties of the process including the preservation of ageing properties and the monotonicities of the time between successive repairs. After assigning repair costs to the process, we also show that an optimal repair policy uniquely exists, if the underlying life distribution of the system has DMRL.

• 대한전기학회논문지:시스템및제어부문D
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• 제51권9호
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• pp.389-401
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• 2002

To complement the conventional fusion methodologies of state fusion and measurement fusion, a time-propagated measurement fusion methodology is proposed. Various aspects of common process noise are investigated regarding information preservation. Based on time-propagated measurement fusion methodology, four compression filters are derived. The derived compression filters are efficient in asynchronous sensor fusion and fault detection since they maintain correct statistical information. A new batch Kalman recursion is proposed to show the optimality under the time-propagated measurement fusion methodology. A simple simulation result evaluates estimation efficiency and characteristic.

• 한국식품저장유통학회지
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• 제4권2호
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• pp.173-180
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• 1997

The effects of sugars and heating methods on the sugar infilteration, hardness, color and organoleptic characteristics were investigated for quality improvement of sugared chestnuts. Among the tested sugars, isomaltooligosugar was the most effective on the rate of sugar infilteration. High temperature increased the rate of sugar infilteration during sugaring process, but color and flavor were deteriorated at 9$0^{\circ}C$. The most suitable temperature for sugaring process was 7$0^{\circ}C$. The product sugared with fructooligosugar recoreded the highest score in hardness, odor and preference than any other sugars tested and increased the rate of sugar infilteration when mixed with sugar at same amount. The changes of soluble solids in chestnuts boiled with microwave oven were ranged from 18。Brix to 32。Brix, while chestnuts heated in general were from 18。Brix to 28。Brix. Chestnuts boiled with microwave heating were sugared rapidly. The hardness of boiled and sugared chestnuts was lower when treated with microwave than with general heating. Hunter's L and b value of sugared chestnut treated with microwave decreased during processing but a value somewhat increased.

• 한국식품저장유통학회지
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• 제1권2호
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• pp.99-105
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• 1994

To convert the analog signal from the drying process into the digital signal, the interface circuit was designed and built. To measure the weight and temperature during drying process, strain gauge type load cell and temperature transducer composed of pt 100 $\Omega$ thermometers and wheatstone bridge circuits were built and used. The temperature control device was composed of photocoupler and triac. Microcomputer aided experimental convective drying system was built with above cricuits and devices. Drying characteristics of onions can be estimated using this system.

• 한국식품저장유통학회지
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• 제7권1호
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• pp.94-98
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• 2000

To produce liquor and vinegar using potatoes needs to liquefy and sacchrify potatoes . So selecting the efficient fermenter for proceeding these process successfully is very important . This study was investigated several fermenter and crush types of potatoes for alcohol fermentation. Final sugar contents was high in pottoes saccharificatiion by nuruk or crude enzyme. But pure enzyme and blucoamylase ended liquefaction and saccharificatiion within short ime. So complex type fermenter mixed several fermenters was superior to single type fermenter. Complexfermenter III using crude enzyme and glucoamyulase saccharificed excellently potatoes with 150% of water contents by treatment of 3 hours. Through alcohol fermentation using pressure steamed potatoes (PSP), it could be obtained 6.4% , 150%, of alcohol content and yield. However to perform a series process efficiently , crush steamed pottoes (CSP) was suitable. When it was fermented after saccharification using crush steamed potatoes and complex fermenter III, it could be obtained 6.6% of alcohol and 6.7% of acidity.

• 한국환경과학회지
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• 제12권9호
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• pp.897-903
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• 2003

This study focuses on importance level analysis of environmentally-friendly planning factors using Analytic Hierarchy Process(AMP). This study verify different planning principle makes comparison matrix by a relative comparison value, verified consistency after yield weight to analyze more objective importance for apartment complex estate environmentally-friendly planning factor. In order to decide importance of apartment complex estate environmentally-friendly planning factors multiplying weight of verified planning principle with weight of planning factors. The results are as follows; First, importance of preservation of green tract of lands, Preparation of Biotop, Tree planting of sites, Propriety of development density high except Circulation and practical use of water. Next, valued planning factors constituent appeared to Energy efficient building plan, Rubbish recycling, thermal utilization of solar energy, Artificial tree planting of buildings etc. importantly. Finally, plan constituent that importance is underrated most appeared by Practical use of building materials and equipment, Centralization of energy and resources, Preservation of corridor etc.

• 한국콘크리트학회:학술대회논문집
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• 한국콘크리트학회 2002년도 가을 학술발표회 논문집
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• pp.287-292
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• 2002

In the 1970's, the environmental preservation is out of public issue, caused by rapid economic growth and industrialization. When the people's living standard Is grows, they aware of the environmental importance. In modern times, the environment preservation is global tendency and self social awareness is arise. Measures to the environment preservation and pollution is going on study. One measure is recycling and reuse of by product and it is already developed in some advanced country. But, the study about by product reuse is just beginning in domestic. The purpose of this study is reusing copper slag by product which produced in the copper refining process-as fine aggregate for developing high strength concrete. Concrete nix and properties, the result of mock up test for site application are analyzed.

• 건축역사연구
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• 제26권5호
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• pp.27-38
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• 2017

The main objective of this study is to analyze the preservation and management for the city wall ruins of China, and to find out the implications. Firstly, Chinese walls have experienced a process from demolition to protection. The walls of the historical value of the site are gradually being certified, and many walls ruins were designated as a conservation unit. Secondly, China's institutional system is based on the central government issued Cultural Relics P rotection Law and combined with the actual situation of local governments to establish a special law. Management System is Cultural Relics Bureau, the planning department, the garden department and the tourism sector joint implementation. Thirdly, through the study of Nanjing, Xian, Pingyao, Suzhou city wall ruins finding that perfect legislation and unified management system to help protect city wall ruins.