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김원주(Won Ju Kim),강규이(Kyu Yi Kang),유영민(Young Min Yoo),김혜리(Hye Lee Kim) 서울연구원 2014 서울연구원 정책과제연구보고서 Vol.- No.-
The Seoul Trail Project spans across 157km in eight different courses costing approximately 12.4 billion won from 2009 to 2014. The identity of the Seoul Trail can be defined as an urban scenic trail that is a ‘forest path for rest and relaxation that can be enjoyed with a purpose (completion, learning, healing)’. This study proposed management and operation plans with the completion of the Seoul Trail. Surveys were held for users of the Seoul Trail 4 and 5 course and examined the course suitability/facility arrangement to propose improvement plans and composed a management and consigned operation plan for administration through the two-tracked method of management and operation, while suggesting a road map. Furthermore, this study reflected regionality to the Seoul Trail for specialization and suggested contents to promote its usage. First, based on the user survey, it was found that there many elderly over 50 years of age residing near the Seoul Trail, they used it for the goal of health and healing, and the user satisfaction was for the most part high. Users wanted it to operate programs related to health, healing, leisure and relaxation, and for facilities, wanted installation of rest rooms and emergency facilities, and expressed the intent to complete the courses once its construction is finished. Second, for the appropriateness of the Seoul Trail course, its courses are long and required fragmentation, and at the fragmenting location, stamps are installed so that it can be linked to the transportation system. In addition, for the facilities of Seoul Trail, on-site studies of courses 4 and 5 courses were conducted and analyzed to identify the facility concentration and management status. Third, for the management and operation of the Seoul Trail, while being in the direction for the dualized system of management and operation, a gradual dualization will be pursued by year. For management, it is overseen by the city of Seoul and for each course, they are managed by the respective local government and park and greenification office, while the operation is consigned by course by organizing a HUB organization (tentatively called the Seoul Trail Network) that can oversee the operation of Seoul Trail. Furthermore, the ‘Seoul-road Team’ that is in charge of the Seoul Dodream-Road and a variety of other paths of Seoul shall be installed under the Seoul Green City to comprehensively manage the HUB organization. Fourth, specialization plans, contents development, PR and civil participation plans to promote the use of the Seoul Trail were proposed. By implementing the urban forest healing program at the Seoul Trail, it shall be operated in conjunction with the ‘Let’s Exercise, Seoul’ program, while finding historical and cultural story-telling themes for each Seoul Trail course, finding ‘art spots’ for installation arts, concerts and lectures, while promoting ecological specialization spots by linking up with regions with excellent eco-systems.
Alkaline Inducing Agent 및 Alkaline Proteolytic Enzyme 혼용처리에 의한 Shaving Scraps 가수분해 단백질의 제조 및 특성
김원주(Won-Ju Kim),조주식(Ju-Sik Cho),이홍재(Hong-Jae Lee),허종수(Jong-Soo Heo) 유기성자원학회 1998 유기물자원화 Vol.6 No.1
To examine the possibility of protein recyding of shaving scraps containing chromium generated from manufacturing process of leather, the optimum hydrolysis conditions and the withdrawal methods of low molecular weight protein for using the liquid fertilizer sources by investigation of solubilities of hydrolyzed protein, inorganic nutrients contents and molecular weight distributions of hydrolyzed protein from shaving scraps treated with mixed alkaline inducing agents and mixed alkaline proteolytic enzymes induding MgO were investigated. 1n hydrolysis of shaving scraps treated with mixed alkaline inducing agents, the solubility of shaving scraps were dearly different with 65-85% according to the sorts of the inducing agents, and the degree of hydrolysis Was high in the order of NaOH, Ca(OH)2 and KOH. The average molecular weights of withdrawal hydrolyzed protein were 10, 40 and 80 KD treated with NaOH, Ca(OHh and KOH, respectively. And the chromium contents was about 15 ppm. In hydrolysis of shaving scraps treated with mixed alkaline proteolytic enzymes, the bility of shaving scraps were high in the order of alcalase, esperase and savinase. In c of treating 0.5% alcalase, the low molecular weight of hydrolyzed protein could be withdrawn. The solubility of the hydrolyzed protein was about 85%, the average molecular weight of the protein was below 1 KD and chrome content of the protein was below 10 ppm. 피혁제조시 발생되는 크롬을 함유한 피헥 고형폐기물인 shaving scrap의 단백질 자원화 가능성을 검토하기 위하여 MgO를 기본으로 하여 alkaline inducing agents 벚 alkaline proteolytic enzymes을 흔용처리하여 shaving scrap으로 부터 회수한 가수분해 단백질의 용해도,무기성분 함량,분자량분포 등을 비교 검토함으로서 최적 가수분해 조건 벚 액체비료의 원료로 활용하기 위한 저분자 단백질의 회수방안을 조사한 결과는 다음과 같다. Alkaline inducing agents의 혼용처리에 의한 shaving scrap의 가수분해 실험결과 7% MgO를 기본으후 하여 alkaline inducing agents 종류에 따라 65-85% 범위로 용해도 차이가 뚜렸하였으며,가수분해되는 정도는 NaOH>Ca(OH)2> KOH순으로 나타났으며, 획득된 hydrolyzed protein의 평균분자량은 NaOH처리시 약 10 KD, Ca(OHh 처리시 약 40KD, KOH처리시 약 80KD 이었으며,크롬함유량은 약 15ppm 이었다. Alkaline proteolytic enzymes의 혼용처리에 의한 shaving scrap의 가수분해 실험결과 alkaline proteolytic enzymes 종류에 따라 Alcalase> Esperase > Savinase순으로 용해도 차이를 보였으며, O. 5% Alcalase의 처리에 의해 용해도 85%수준,평균분자량 1KD 미만,크롬 함유량 10ppm 이하인저분자 형태의 hydrolyzed protein을 획득할 수 있었다.