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화학사고 주변 지역 거주자의 보건환경 관리를 위한 건강위해성 평가 방법 개발에 관한 연구
박시현 ( Sihyun Park ),박세정 ( Sejung Park ),박태현 ( Taehyun Park ),윤단기 ( Danki Yoon ),정종현 ( Jonghyeon Jung ),강성규 ( Sungkyu Gang ),이동수 ( Dongsoo Lee ),서영록 ( Youngrok Seo ),안연순 ( Yeonsoon An ),이철민 ( Cheolmin 한국산업보건학회 (구 한국산업위생학회) 2018 한국산업보건학회지 Vol.28 No.1
Objectives: This research is part of a study to be conducted over five years starting from 2017 by the Ministry of Environment on the development of technologies to evaluate the impact of chemical accidents on the human body. Methods: For this research, a five-stage specific study method was developed. Results: In brief, the developed health risk assessment method can be summarized as follows. First, a health risk assessment system was built based on the guidelines set forth by the USA NRC/NAS. Second, based on the disease manifestation theory, the health risk assessment method was divided into 1) a carcinogenic health risk assessment method focused on all carcinogens except non-genotoxic carcinogens and 2) a non-carcinogenic health risk assessment method focused on noncarcinogens including non-genotoxic carcinogens. Third, the detailed contents of the health risk assessment method were developed in four stages (hazard identification, dose-response assessment, exposure assessment, and risk determination) through theoretical consideration of the assessment of the level of health risk related to chemical exposure. Finally, a health risk assessment methodology, classified into stages to address acute, subacute/subchronic, and chronic conditions was developed after considering the physicochemical behavior of hazardous chemicals upon implementation of countermeasures after a chemical accident. Conclusions: A method to evaluate the health risks related to toxic chemicals generated by chemical accidents was developed. This study was performed with the purpose of developing a mathematical health risk assessment method to evaluate the health effects of exposure to hazardous chemicals upon implementation of emergency countermeasures after chemical accidents.
Park Sihyun,Lee GyuDae,Kim Ikwhan,Jeong Yeongyu,Shin Jae-Ho 한국미생물·생명공학회 2023 한국미생물·생명공학회지 Vol.51 No.3
This research presents the whole-genome sequence of Enterobacter asburiae strain IK3, which was isolated from the rhizosphere soil of soybean (Glycine max). The genome of the strain is composed of a single chromosome with 4 plasmids, total size of 5,084,040 bp, and the GC content is 55.5%.
Comparing Electric Vehicle Delivery Strategies of Major Global Cities
Park, Jongho(박종호),Park, Sihyun(박시현),Gim, Tae-Hyoung Tommy(김태형),Quan, Steven Jige(지거췐),Curington, Chris(크리스 커링턴),Ju, Bola Michelle(주보라) 경기연구원 2020 GRI 연구논총 Vol.22 No.1
As opposed to the tendency that electric vehicle (EV) policies have been studied at the national level, this study compares those at the level of the city It particularly analyzes European and U.S. cases in order to draw implications for metropolitan areas in Korea. First, World-leading cities commonly establish step-by-step plans, particularly they are equipped with short-range plans considering rapid technological developments in battery charging and storage capacity and with a monitoring and feedback protocol for adjusting their plans and achieving ultimate goals. Second, social and spatial settings are reflected in city-level EV strategies, for example, an image as an environmental leader is used to bring about a virtuous circle for the distribution of EVs and charging infrastructure as well as for EV-related industries and research and development activities. Third, for extended electric vehicle miles of travel and drivers’ reliability on EVs, a close collaboration between neighboring areas-for instance, between Seoul, Incheon, and Gyeonggi- are rather necessary not only in building the charging infrastructure and EV-friendly road systems, but also in conducting collaborative research and demonstration projects. Lastly, mobility electrification can be initiated by the mayor leadership, but it may be facilitated and managed through a taskforce or other types of cooperative systems for the realistic involvement of key stakeholders. In the same sense, as a main implication for Korean cities, whether to set the EV goal on the number/percentage of EVs or charging stations should be determined by considering stakeholders’ number/size, interests, positions, relationships, resources, incentives, and timing/ target years among others.
화학사고물질 노출에 따른 피해지역 주민 건강위해성평가 : 폼알데하이드 사례를 중심으로
박시현(Sihyun Park),조용성(Yong-Sung Cho),임희빈(Huibeen Lim),박지훈(Jihoon Park),이철민(Cheolmin Lee),황승율(Seung-Ryul Hwang),이청수(Chungsoo Lee) 한국환경보건학회 2021 한국환경보건학회지 Vol.47 No.2
Objectives: Acute exposure to high concentrations of chemicals can occur when a chemical accident takes place. As such exposure can cause ongoing environmental pollution, such as in the soil and groundwater, there is a need for a tool that can assess health effects in the long term. The purpose of this study was assessing the health risks of residents living near a chemical accident site due to long-term exposure while considering the temporal concentration changes of the toxic chemicals leaked during the accident until their extinction in the environment using a multimedia environmental dynamics model. Methods: A health risk assessment was conducted on three cases of formaldehyde chemical accidents. In this study, health risk assessment was performed using a multimedia environmental dynamics model that considers the behavior of the atmosphere, soil, and water. In addition, the extinction period of formaldehyde in the environment was regarded as extinction in the environment when the concentration in the air and soil fell below the background concentration prior to the accident. The subjects of health risk assessment were classified into four groups according to age: 0-9 years old, 10-18 years old, 19-64 years old, and over 65 years old. Carcinogenic risk assessment by respiratory exposure and non-carcinogenic risk assessment by soil intake were conducted as well. Results: In the assessment of carcinogenic risk due to respiratory exposure, the excess carcinogenic risk did not exceed 1.0×10−6 in all three chemical accidents, so there was no health effect due to the formaldehyde chemical accident. As a result of the evaluation of non-carcinogenic risk due to soil intake, none of the three chemical accidents had a risk index of 1, so there was no health effect. For all three chemical accidents, the excess cancer risk and hazard index were the highest in the age group 0-9. Next, 10-18 years old, 65 years old or older, and 19-64 years old showed the highest risk. Conclusion: This study considers environmental changes after a chemical accident occurs and until the substance disappears from the environment. It also conducts a health risk assessment by reflecting the characteristics of the long-term persistence and concentration change over time. It is thought that it is of significance as a health risk assessment study reflecting the exposure characteristics of the accident substance for an actual chemical accident.
황병승 시에 나타난 자의식 연구 - 화자의 특징을 중심으로
박시현(Park Sihyun),이승하(Lee Seungha) 한국비평문학회 2021 批評文學 Vol.- No.79
이 논문은 황병승 시에 나타난 자의식의 특징을 규명하는 것을 목적으로 한다. 황병승의 등장은 한국 시단에 유례없는 파문을 불러일으키며, 소위 ‘미래파’의 최전선에서 하위문화의 거칠고 생생한 에너지로 허망한 이상을 가진 고급문화의 급소를 가격했다. 21세기 데카당의 출현이자 한국 시단의 새로운 아이콘이 탄생하는 순간이었다. 황병승은 2003년 『파라21』에 「주치의 h」외 5편의 시를 발표하며 문단에 나왔다. 등단 직후 거침없이 발표된 그의 시들은 많은 논쟁의 단초가 되었는데 작품에 드러난 환상성과 그로 인해 야기되는 소통의 문제, 다양한 목소리를 내는 시적 주체, 곧 자의식을 어떻게 해석하고 이해해야 하는가에 대한 끊임없는 의혹이 제기되었다. 황병승은 그의 시에 등장하는 다양한 화자들에게 자신의 자의식을 분배함으로써 하위문화의 반란을 꾀함은 물론, 반복되는 실패의 경험마저 성공으로 이끌어내며 기존의 상상력을 다른 차원으로 갱신하기에 이른다. 오래도록 지속된 비평의 장(場) 속에서 황병승을 비롯한 많은 ‘미래파’ 시인들의 시가 소모적으로 언급된 것도 사실이나, 본 연구의 대상인 황병승은 특히 작품 세계에 대한 면밀한 연구보다 그 화제성에 그의 이름이 함몰된 경향이 적지 않았다. 더불어 ‘미래파’ 논쟁의 종료라는 시기적 적합성 또한 복합적인 해석의 필요성을 시사한다. 그 가운데서도 황병승의 자의식에 주목하는 까닭은 그의 시세계를 확립시켜온 독특한 주제의식과 형식적 특징을 심층적으로 고찰함으로써 단순한 표현 기법을 탐구하는 데 그치는 것이 아니라 그가 보여주고자 하는 자의식의 본질적 양상을 파악하기 위함이다. 본고는 피상적으로만 다루어지던 황병승의 의식세계를 면밀하게 체험하고 화자를 통해 직조되어 있는 황병승의 시적 세계관을 보다 구체적으로 짚어보는 데 그 의의가 있다. This thesis aims to examine the characteristics of self-consciousness in Hwang Byung-seung’s poems. The advent of Hwang Byung-seung brings an unprecedented impact on Korean poetry. Standing on the very front row of the so-called ‘futurists’, Hwang shatters the base of high-culture and its vain ideal with his untamed and vital energy of sub-culture. His debut marks the birth of new icon in Korean poetry as well as the first generation of the decadent. Hwang showed himself in the literary world publishing five poems in Parra 21, including ‘Home Doctor H’, in 2003. Right after his debut, he fervently published controversial works, which continuously bring questions how to interpret and understand the fantasy and its problem of communication in his works, and how to understand the poetic speakers with multiple voices, i.e. the poet’s self-consciousness. Hwang Byung-seung seems to dream of the revolution of sub-culture by distributing his self-consciousness to the various speakers in his poems, and enters another level of imagination by turning the repetitive failures into successful experiences. Although it is true that the poems of futurists, including Hwang Byung-seung, are criticized to be exhausting, Hwang’s literary works especially have been less examined than his popularity. Besides, the end of ‘futurists’ argument gives temporal relevance to the need of complex interpretation of his works. Most of all, Hwang Byung-seung’s self-consciousness should be specifically highlighted, not just to understand his writing techniques, but to grasp its essential aspects that the poet tries to show, by analyzing the unique themes and formal elements on which his poetic world is grounded. Therefore, this thesis has its significance to the extent that it thoroughly examines Hwang’s consciousness, which has been only superficially dealt with, and more subtly analyzes his poetic world that is woven through the poetic speakers.