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Information-Seeking Pathways by Mothers in the Context of Their Children's Health
이한슬,Lee, Hanseul Korean Library and Information Science Society 2021 한국도서관정보학회지 Vol.52 No.3
오늘날, 온라인 및 오프라인 상에서 무수히 많은 건강정보가 시시각각 쏟아지면서 대중들은 다양한 방법으로 건강에 대한 정보탐색이 가능해졌다. 본 연구에서는 만 0-3세 건강한 영유아들의 건강정보를 적극적으로 탐색하는 어머니들의 건강정보 탐색행동에 초점을 맞추었다. 24명의 미국인, 한국인, 미국에 거주하는 한인 이민자 어머니들과의 심층인터뷰를 통해, 그들이 아이에 대한 건강정보를 탐색할 때 어떠한 정보원들을 순차적으로 활용하는지 탐색경로를 시각적으로 분석하였다. 연구 결과, 어머니들의 건강정보탐색 경로는 아이의 건강상태에 따라 사용하는 정보원과 탐색주제의 측면에서 눈에 띄는 차이가 나타났다. 예를 들어, 아이가 아플 때는 특정 질병이나 증상에 대한 정보를 중점적으로 먼저 탐색하지만, 아이가 아프지 않을 때는 성장, 발육, 식단, 육아 등 다양한 주제의 정보를 탐색하는 것으로 나타났다. 나아가, 활용되는 정보원과 관련하여, 아이가 아플 때보다 아프지 않을 때 더욱 다양한 건강정보원들(예컨대, 공공도서관, 정부기관, 어린이집 교사 등)이 활용되는 것으로 나타났다. 뿐만 아니라, 각 어머니들 그룹에 따라 활용되는 정보원의 차이가 나타났다. 이를 활용하여, 국내외 정보 전문가들은 어떠한 정보서비스를 기획하고 제공할 수 있을지 논의해본다. Today, with countless health information being accessible through online and offline, the public has been able to explore health-related information in various ways. The current study focuses on the information-seeking behavior of the mothers who actively explore information related to the health of their healthy infants (aged between 0 and 3 years). The researcher had conducted in-depth interviews of 24 American, Korean, and Korean immigrant mothers living in the United States, and then analyzed the sequential order of the information sources that they have used to search for the health-related information about their children. The current research highlights that the mothers' information-seeking pathways and searched topics tended to differ in accordance with their child(ren)'s health conditions (e.g., ill vs. healthy). For instance, regarding the information sources used, more diverse health information sources (e.g., public libraries, government health agencies, daycare teachers) were used when their child(ren) was not ill. In addition, when a child was ill, mothers were likely to focus on information about specific diseases or symptoms first, whereas when the child was healthy, they used to explore information on various health topics such as growth and development, nutrition and diets, parenting, and so on. Based on the results, implications for the information professionals are discussed when designing and providing health-related information services to mothers of healthy infants and toddlers.
Bacillus sp. 부착 여재를 사용한 여과시설의 비점오염원 처리장치 개발
이한슬 ( Han Seul Lee ),김진수 ( Jin Soo Kim ),신총수 ( Chong Soo Shin ),심상보,김달우,강민구 ( Min Koo Kang ),이상일 ( Sang Ill Lee ) 한국수처리학회 2015 한국수처리학회지 Vol.23 No.1
This study was conducted to reduce runoff by rainwater infiltration facility using attached growth with bacillus sp., which are reported to remove nitrogen and phosphorus as well as organic matter effectively. This study was investigated non-point pollutants removal efficiency of organic, nitrogen, and phosphorus in column using the media attached growth with bacillus sp.. To compare attached growth with bacillus sp. and detached media, two columns filled with perlite, zeolite, vermiculite, pumice, peat-moss was installed. In A column(attached growth with bacillus sp.), in case of infiltration velocity 30 mm/hr in high concentration of influent, it showed the removal efficiency(after aging term) is SS(suspended solid) 85.8±1.2 %, T-P(total phosphorus) 67.0±8.1 %, T-N(total nitrogen) 66.0±4.9 %, COD(chemical oxygen demand) 73.6±2.9 %, NH4+-N 72.7±3.0 %. In B column(detached media), in case of infiltration velocity 30 mm/hr in high concentration of influent, it showed the removal efficiency(after aging term) is SS 86.0±2.2 %, T-P 62.5±11.3 %, T-N 53.3±3.9 %, COD 34.6±3.7 %, NH4+-N 61.5±2.8 %. Removal efficiency of A column is better than B column. As the result from this study, using media with bacillus sp. can improve a effective removal of non-point source pollutants.
유기물 제어를 통해 분리막의 fouling을 저감시키는 MBR 공정개발
이한슬 ( Hanseul Lee ),김진수 ( Jinsu Kim ),심재훈 ( Jaehoon Shim ),강민구 ( Minkoo Kang ),김성근 ( Sungkeun Kim ),이상일 ( Sangill Lee ) 한국수처리학회 2015 한국수처리학회지 Vol.23 No.4
The process which apply the Membrane bioreactors(MBRs) provide many advantages over conventional treatment so that process with MBR is being applied for industrial wastewater treatment. However, membrane fouling is main obstacle for application of MBRs because it reduces washing-cycle and productivity. The bio- fouling caused by EPS, NOM, pore size, HRT, etc. In this study, MLE(modified Ludzack-Ettinger) process with adding an aerobic reactor(M2) process operated to control bio-fouling feasibly in MBRs. As install an oxic unit in MLE, COD removal efficiency was more excellent than existing MLE process. Also, the total amount of extracellular polymeric substance(EPS) extracted from M2 reactor was lower concentration than M1. Controlling the EPS, M2 process washing cycle was longer than M1 about a week. It showed that, bio-fouling is influenced by the concentration of EPS and adding an oxic unit to MLE is very effective to control the bio-fouling.
이한슬(Lee Han seul),황인철(Hwang In chul) 한국조형디자인학회 2017 조형디자인연구 Vol.20 No.2
우리나라 불교미술문화에서의 탑은 대표적 조형예술물이다. 탑은 무수히 건립되었지만 현재 남아있는 것은 돌로 만들어진 석탑이 대부분이다. 석탑은 옛 선조들의 꾸밈없는 미의식을 담고 있으며 오랜 기간에 걸쳐 계승·발전되어왔다. 우리나라 석탑의 구조적인 형태와 장식적인 모습을 통해 참다움을 깨우치고 그 당시 선조들의 가치관을 알 수 있다. 이에 통일신라시대에 정형양식이 되기까지 석탑의 성립과 발전된 과정을 비교 분석하여 그 특성을 정립하고 조형성을 재발견하고자 한다. 본 연구는 석탑 고유의 전통미, 독창성, 조형성을 고찰하여 현대 조형 디자인 연구에 조형적, 문화적 기틀을 마련할 수 있는 기초자료로 제시하고자 하는데 있다. 따라서 통일신라시대의 석탑들을 연표로 정리하고 전형양식에서 정형양식으로 변화하는 차이를 나열하여 이론적 배경을 확립하였다. 통일신라시대 석탑의 조형적 특성을 분석하기 위해서 석탑의 형태적 측면, 구조적 측면, 상징적 측면을 연구해 얻은 결론은 다음과 같다. 첫째, 통일신라시대 석탑의 변화된 과정을 시원기(7c), 전형기(8c초), 정형기(8c중기~후기), 하대기(9c)로 분리해서 정리할 수 있으며 그 결과 석탑의 조형적인 측면에서 정형양식이 확립된 이후로 지역과 시대에 따라 크게 다르지는 않지만 부분적인 변화로 인해 독창적인 석탑들의 형태가 나왔음을 알 수 있었다. 둘째, 대부분의 석탑들이 문화재로 등록되어있고, 그 석탑들을 중심으로 7세기~9세기까지 정형화된 조형적 변천과정을 정리하였다. 셋째, 석탑의 형태적 측면, 구조적 측면, 상징적 측면을 조사 연구 하였고, 그 결과 정형양식에서의 변화가 건축적, 구조적인 변화뿐만 아니라, 신앙적 측면에서의 변화가 있었다는 것을 알수 있었다. 또한 장식적인 요소 중, 상징하는 것과 비례적인 부분을 중요시 하는 우리 선조들의 조형적인 감각을 엿 볼 수 있었다. In the Buddhist art culture of Korea, towers were artistic sculptures and were built in countless numbers, but most of the remaining pagodas are the ones made of stone. Stone pagodas contain the aesthetic sense of ancient ancestors and have been inherited and developed over a long period of time. By realizing the true aspects Korea’s stone pagodas and learning about their structural and decorative aspects, we can see the values of our ancestors. Therefore, this study intends to compare and analyze the process of establishing and developing the stone pagodas until the formation of the fixed style in the Unified Silla period which our ancestors built over a long period of time, find out their characteristics, and rediscover their formativeness. This study aims to review the unique traditional beauty, originality and formality of stone pagodas and provide base data to form a formative and cultural framework in contemporary formative art design research. Therefore, the pagodas of the Unified Silla period were summarized in a chronological table, and the theoretical background was established by listing the differences in the change from typical style to fixed style. In the analysis of the formative characteristics of the pagodas in the Unified Silla period, the following conclusions were gained regarding the arrangement of the pagodas, the construction process, the structure, and decorative elements. First, the changing process of the stone pagodas of the Unified Silla period can be divided into three phases: the inception period(7c), the typical period(early8c), the fixed period(mid~late8c), and the final period(9c). Since the establishment of the fixed style, it was found that unique forms of stone pagodas emerged due to the partial changes, though not greatly different according to the area and the age. Second, most of the pagodas are registered as cultural assets and this study systematically organized the process of typical formative transition from the 7th century to the 9th century centering on the pagodas. Some of them have been lost, but about 120 pagodas were erected. Third, the construction process, structure and decorative elements of the stone pagodas were studied and as a result, it was found that the change in the fixed style involved not only change of architectural structure but also change of faith. Also, we can observe the formative sense of our ancestors who valued the symbolic aspects of decorative elements and the proportional parts.