• Title/Summary/Keyword: 자기현상

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Illness Associated with Contamination of Drinking Water Supplies with Phenol (상수도(上水道) 페놀오염으로 인한 노출-비노출(露出-比露出) 지역주민(地域住民)의 호소증상(呼訴症狀) 비교(比較))

  • Kim, Doo-Hie;Lee, Sung-Kook;Chun, Byung-Yeol;Lee, Duk-Hee;Hong, Sung-Chul;Jang, Bong-Ki
    • Journal of Preventive Medicine and Public Health
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    • v.26 no.2 s.42
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    • pp.202-209
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    • 1993
  • A accidental spills of phenol(100%) to the river Nakdong with subsequent contamination of the tap water fer about two million consumers in Taegu city of Korea were occurred in March 1991. A historical cohort study of 6,913 individuals was undertaken to determine the associated with illness. Population subjects were divided into two groups of exposed and unexposed. Exposed subjects were reported to be phenol associated symptoms significantly higher than those in a nearby unexposed area(39.6% vs 9.4%, p<0.01). Especially, in the related symptoms, highly significant differences were noted in the number of subjects reporting gastrointestinal illness such as nausea, vomiting, diarrhea, or abdominal pain. During the accident, study subjects who experienced peculiar taste or odor in the tap water were significantly higher in the exposed areas(92% vs 34.3%). Chlorophenols formed from chlorination of water may have aggravated the problem.

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Update on Phosphorylation-Mediated Brassinosteroid Signaling Pathways (단백질 인산화에 의해 매개되는 브라시노스테로이드 신호전달 연구의 최근 상황)

  • Lee, Yew;Kim, Soo-Hwan
    • Journal of Life Science
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    • v.22 no.3
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    • pp.428-436
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    • 2012
  • Protein phosphorylation is a universal mechanism that regulates cellular activities. The brassinosteroid (BR) signal transduction pathway is a relay of phosphorylation and dephosphorylation cascades. It starts with the BR-induced activation of the membrane receptor kinase brassinosteroid insensitive 1 (BRI1), resulting in the dephosphorylation of transcription factors such as BZR1/BES2 and BZR2/BES1 followed by BR-induced gene expression. Brassinosteroid signal transduction research has progressed rapidly by identifying the phosphorylation/dephosphorylation site(s) of the BR-regulated kinase and phosphatase substrates with a simultaneous pursuit of mutant phenotypes. Autophosphorylation, transphosphorylation, and serine/threonine and tyrosine phosphorylation of the receptor protein kinases BRI1 and BRI1-associated kinase (BAK1) have increased the understanding of the regulatory role of those kinases during physiological and developmental processes in plants. The phosphorylation event initiated by BR is also found in the regulation of receptor-mediated endocytosis and the subsequent degradation of the receptor. However, the basic molecular links of the BR signal transduction pathway are not well understood regarding this phosphorylation/dephosphorylation event. This review summarizes the current state of BR signal transduction research to uncover the phosphorylation/dephosphorylation networks and suggests directions for future research on steroid signal transduction to gain a more comprehensive understanding of the process.

Improvement of Polycarbonate Properties by Coating of TiO2 and SiO2 Thin Film (TiO2/SiO2 박막 코팅에 의한 폴리카보네이트 특성 개선)

  • Won, Dong So;Lee, Won Gyu
    • Applied Chemistry for Engineering
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    • v.25 no.1
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    • pp.41-46
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    • 2014
  • The property improvement of polycarbonate coated with a multilayer film composed of an inorganic $SiO_2$ film and a photocatalytic $TiO_2$ film was studied. The $SiO_2$ film as a binder had an excellent light transmission characteristic. After the treatment with atmospheric pressure plasma, the surface of $SiO_2$ film showed the hydrophilicity, which increased the film coating uniformity with a $TiO_2$-containing aqueous solution. When $TiO_2$ film was over 200 nm thick, the absorption effect of UV rays in the range of 180~400 nm suppressed the yellowing phenomena of polycarbonate substrate. The inorganic film improved the heat resistance of polycarbonate substrates. $TiO_2$ film in the outmost under the exposure of UV rays promotes the catalytic oxidation characteristics and yields the capability to the decomposition of organic contaminants, and also increases the self-cleaning properties due to the increase of hydrophilicity. Structural stability of the polycarbonate substrate coated with inorganic $TiO_2$ and $SiO_2$ film was shown. The role of $SiO_2$ film between $TiO_2$ and polycarbonate substrate suppressed the peeling of $TiO_2$ film by inhibiting the photocatalytic oxidation effect of $TiO_2$ film on the polycarbonate substrate.

The Role of Women in Health Care in Korea (한국 보건의료에 있어서 여성의 역할)

  • Kim Susie
    • The Korean Nurse
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    • v.23 no.3 s.126
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    • pp.44-50
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    • 1984
  • 한국여성은 전통적으로 대가족제도 속에서 육아 및 가사활동에만 종사해왔다. 그러나 산업화 및 사회구조의 변화로 여성들도 교육의 기회를 갖게 되었으며 전통적인 역할 수행에 대한 가치변화와 함께 여성의 사회적 역할을 필요로 하게 되었다. 반면에 가족 형태가 핵가족화 함으로서 가족 내에서의 자녀양육을 비롯한 가정적 역할이 더욱 중요시 되게 되었다. 오늘날 한국사회는 여성에게 현재의 사회구조와 핵가족 속에서는 시간적으로 동시에 수행할 수 없는 두 가지 상반된 역할을 강조하고 있는 것이다. 이러한 상반된 역할사이에서는 여성은 갈등과 좌절감을 느끼게 되며 이중적인 부담 속에서 생활하게 되었다. 본 원고에서는 전통적인 한국의 가족가치관을 살펴보고 건강관리 측면에서 여성의 역할을 살펴보고 건강관리 측면에서 여성의 역할을 살펴보고자 한다. 전통적 가족가치관과 여성-우리나라의 전통적 가족은 부계 중심의 혈연 계승을 중요시하는 가부장적 대가족제도라 할 수 있다. 따라서 부계 계승을 통한 가족의 영속성과 가 중심사상에 기반을 둔 철저한 가족주의적 가치관이 전통적 사회를 지배하여 왔다. 그러므로 자연히 개인보다 가족집단이 우의적인 지위에 있을 뿐만 아니라 모든 행동의 결정에도 중요한 준거 집단이 되었다. 이러한 가의 영속 및 번영을 가장 효과적으로 수행하기 위해서는 많은 자녀를 필요로 했으며 부계중심 가족에서 자연히 남아 선호사상이 강할 수밖에 없었으며 이것은 조상에 대한 의무요 책임이라 생각했다. 이러한 가부장권의 확대에 반비례해서 가정 내에서 여성의 지위와 역할은 축소되어갔다. 여성들의 절대적인 예속을 필요로 하여 삼종지도니 칠거지악이니 불경이부등의 도덕률을 만들었으며 여성들 스스로가 이러한 정절과 복종을 미덕으로 생각하도록 교육받음으로서 여성들 자신이 자기희생의 굴레 속에서 인내와 복종의 생활을 운명처럼 받아들이게 되었으며 남편과 자식을 위해서는 목숨까지도 희생하게끔 철저히 사회화되었던 것이다. 그러나 가족 제도 안에서의 남녀의 지위는 동위 항렬 내에서만 해당되고 항렬을 달리할 때는 삼종지도의 이론에 부합된다. 어머니로서의 존장련이 인정되어서 가정 내에서의 여성의 종속적인 지위에 비하여 모의 권한은 절대적이었다. 상례와 제례에서 어머니와 아버지에 대한 의식에는 차이가 없으며 내외 명부제도에 의해서 부인도 남편과 똑같은 대우를 받도록 되어있다. 이러한 존장련에 의한 모의 권리와 더불어 부부유별에 의해서 가사권의 독자적인 결정권도 인정되고 있었다. 건강관리 측면에서 여성의 역할- 전통적으로 건강관리에 관련된 한국여성의 역할은 1. 씨받이로서의 역할로 생명을 잉태하도록 돕고 건강한 아이의 수태를 위해 태교에 힘썼으며 2. 자녀의 의식주를 해결하는 가사 역할만을 담당하는 전통적인 여성의 역할만을 수행하였으며 출산한 생명을 건강하게 자라도록 건강관리를 철저히 하였으나 체계적인 건강관리는 되지 못하였으며 특히 식생활에 유의하였으나 정서, 사회면은 도외시 한 과잉보호현상이었다. 3. 결혼 후에는 남편의 건강관리를 위해 철저하였으며 특히 식생활에 유의하였고 정서적으로 부담을 주지 않도록 유념하였다. 4. 또한, 임종시 평안한 죽음을 맞도록 도왔다. 전통적으로 한국여성의 역할은 돕는 역할이었다.

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Interrelationship in the Translations of the Works of P. A. Kropotkin in East Asian Countries (동아시아와 식민지 조선에서 크로포트킨 번역의 경로들과 상호참조 양상 고찰)

  • Kim, Mi Ji
    • Cross-Cultural Studies
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    • v.43
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    • pp.171-206
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    • 2016
  • Russian anarchist thinker P. A. Kropotkin had a significant impact on the school of thought, the literary field and the anarchist movement in East Asia in the early 20th century. This paper examines the history of the translation of Kropotkin in terms of the routes and paths of translation in colonial Korea in comparison with those in Japan and China. It is a known fact that the acceptance of Kropotkin in colonial Korea is owed to pioneering translation works in Japan, but it appears that there have been various transformations and magnetizations in the process of translating the texts into the Korean language. Despite a disturbing censorship, the works of Kropotkin, such as "I appeal to the youth ("Aux Jeunes Gens" in French)", were imported, translated and distributed by various routes throughout the 1920s and there were various versions of translated Korean texts. At this point, it is noteworthy that there are works which were translated from Chinese texts about Kropotkin, such as the works of Yu Seo (柳絮), and it can be said that there is a relationship between Korean translations and Chinese original texts. Since the 1930s, the phenomenon of the appropriation of Kropotkin as a litterateur and critic rather than an anarchist thinker is particularly apparent, and this allows us to understand that Kropotkin became a major pathway to interpret Russian literature in East Asia. In colonial Korea, translations of Kropotkin were generally via Japan and China, but the process of translation also showed the struggle to accept and adapt 'the foreign text' into the Korean language.

Mechanism of Wetland Formation according to Interaction of River Bed Fluctuation and Plant Success in the Hangang River Estuary (한강하구에서 하도변화와 식물천이의 상호작용에 따른 습지형성 기작)

  • Lee, Samhee;Youn, Sukzun
    • Journal of Wetlands Research
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    • v.24 no.4
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    • pp.320-330
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    • 2022
  • The Hangang river estuary, which is a natural estuary without structures such as estuary barrage, is an ecological pathway connecting the sea and rivers. Accordingly, Hangang river estuary has various species, and there is very valuable. Sediment classification in Hangang river estuary is three-dimensionally and diversely is distributed. Sediment classification in Hangang river estuary is also sensitively changed according to various factors such as climate change and river development. It is typically cause to landform and to develop a compound cross section. In Janghang wetland, the plant success is remarkable according to the morphological change at river bed. The purpose of this study is to identify the mechanism of wetland formation based on the observation on-site. As a result of the observation, Janghang wetland where was artificially created, has been grown according to the river bed change based on the flow rate and the plant success. The viscous surface layer material(fine grains of wash rod properties), which is not the main material(sand) of the river bed, but sub-materials of river bed, jas been settled on the pioneer plants(bolboschoenus planiculmis, etc.). It is an important role in the growth of a compound cross section and a wetland. After the wetland developed to the compound cross section, it is observed that the pioneer plants are transferred to other plant species.

A Study on Hu Hong's concept of "Xing" (호굉(胡宏)의 본성(性) 개념에 대한 고찰)

  • Sung, Kwang-dong
    • The Journal of Korean Philosophical History
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    • no.42
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    • pp.233-258
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    • 2014
  • This article investigates the concept of the xing(性) used by Hu Hong. Hu Hong's philosophical system considered to top priority for xing is called xingbunlun(性本論), and he suggested the characteristics of xing as follows. First, Hu Hong regarded xing as the fundamental of whole world and related to the specific individual things, so he constructed the concept of xing in the perspective of ontology. Namely while xing is ti(體) the root of all the world, it is the realization of the uniqueness of the individual things. Also he considered xing which of the ontological aspect developed various psychological aspect contained xin (心), qing(情), yu(欲), etc. Seond, As Hu Hong regulated that wei fa(未發) is xing and yi fa(已發) is xin, he defined the ideal relation between xing and xin as xingtixinyong(性體心用). And he considered that the sage and the ordinary peoples are equal in the xing's aspect of wei fa, but they are not equal in ability of the xin in the aspect of wei fa. Hu Hong thought that the only sage realized the ideal relation between xing and xin in this world, because he keep his mind silent. So Hu Hong suggested the possibility of moral cultivation to the ordinary peoples, expressing that human nature realized the function of the mind(成性), in order that they realized ideal relation by following ren(仁). Third, unlike the traditional notion, Hu Hong understood the meaning of xing in the aspect of ontology. He interpreted the shan(善) of xingshan(性善) as the meaning of exclamation, which implied that "the innate goodness of human nature(性善)" meant "Human nature is good." Because Hu Hong thought that the meaning of xing transcended the relative concept of good and evil, and accepted the whole world affirmatively. In the opinion of Hu Hong, as the concept of xing had two ways of intentionality; likes and dislikes(好惡), things formed relationship with other in this world. Then the concept of good and evil of the ethical value judgement occurred.

Trend Analysis of Earthquake Researches in the World (전세계의 지진 연구의 추세 분석)

  • Yun, Sul-Min;Hamm, Se-Yeong;Jeon, Hang-Tak;Cheong, Jae-Yeol
    • Journal of the Korean earth science society
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    • v.42 no.1
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    • pp.76-87
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    • 2021
  • In this study, temporal trend of researches in earthquake with groundwater level, water quality, radon, remote sensing, electrical resistivity, gravity, and geomagnetism was searched from 2001 to 2020, using the journals indexed in Web of Science, and the number of articles published in international journals was counted in relation to the occurrences of earthquakes (≥Mw 5.0, ≥Mw 6.0, ≥Mw 7.0, ≥Mw 8.0, and ≥Mw 9.0). The number of articles shows an increasing trend over the studied period. This is explained by that studies on earthquake precursor and seismic monitoring becomes active in various fields with integrated data analysis through the development of remote sensing technology, progress of measurement equipment, and big data. According to Mann-Kendall and Sen's tests, gravity-related articles exhibit an increasing trend of 1.30 articles/yr, radon-related articles (0.60 articles/yr), groundwater-related articles (0.70 articles/yr), electrical resistivity-related articles (0.25 articles/yr), and remote-sensing-related articles (0.67 articles/yr). By cross-correlation analysis of the number of articles in each field with removing trend effect and the number of earthquakes of ≥Mw 5.0, ≥Mw 6.0, ≥Mw 7.0, ≥Mw 8.0, and ≥Mw 9.0, radon and remote sensing fields exhibit a high cross-correlation with a delay time of one year. In addition, large-scale earthquakes such as the 2004 and 2005 Sumatra earthquake, the 2008 Sichuan earthquake, the 2010 Haiti earthquake, and the 2010 Chile earthquake are estimated to be related with the increase in the number of articles in the corresponding periods.

Nursing students' experience of visiting the National Institute for Scientific Investigation (간호대학생의 국립과학수사연구소 탐방 경험)

  • Kim, Mi-Hwa
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.3
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    • pp.35-41
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    • 2021
  • The purpose is a qualitative study on the search for career paths of nursing students after visiting the National Institute of Science and Investigation. Participants in this study were 13 people who participated in the National Institute of Science and Investigation visit program during a club event for 3rd graders at a university in M city, Gyeongsangbuk-do. Data collection was made through a self-report within 48 hours of visiting the National Institute of Science and Investigation. The collected data were analyzed using Krippendorff's phenomenological method. As a result of analyzing the experiences of nursing students' visits to the National Institute of Forensic Science, 3 categories, 6 themes, and 20 meaningful statements were identified. The three categories were derived from "Beyond the boundaries of the nursing profession," "The difference between drama and reality", and "Challenge in a new field". As a result of this study, it was confirmed that the experience of visiting the National Institute of Forensic Science provided an understanding of forensic nurses and had opportunities for various social participation attitudes as nurses. In addition, it is expected to be used as basic data useful for career guidance and student counseling in the future, and it is expected to be used as basic data for educational demand structure and educational development for forensic nurses.

Estimation of Employment Creation Center considering Spatial Autocorrelation: A Case of Changwon City (공간자기상관을 고려한 고용창출중심지 추정: 창원시 사례를 중심으로)

  • JEONG, Ha-Yeong;LEE, Tai-Hun;HWANG, In-Sik
    • Journal of the Korean Association of Geographic Information Studies
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    • v.25 no.1
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    • pp.77-100
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    • 2022
  • In the era of low growth, many provincial cities are experiencing population decline and aging. Population decline phenomena such as reduction of productive manpower, reduction of finances, deterioration of quality of life, and collapse of the community base are occurring in a chain and are being pushed to the brink of extinction of the cities. This study aims to propose a methodology to objectively estimate the employment creation centers and setting the basic unit of industrial-centered zoning by applying spatial statistical techniques and GIS for the application of the compact city plan as an efficient spatial management policy in a city with a declining population. In details, based on reviewing previous studies on compact city, 'employment complex index(ECI)' were defined considering the number of workers, the number of settlers, and the area of development land, the employment creation center was estimated by applying the 'Local Moran's I' and 'Getis-Ord's Hot-Spot Analysis'. As a case study, changes in the four years of 2013, 2015, 2017, and 2019 were compared and analyzed for Changwon City. As a result, it was confirmed that the employment creation center is becoming compacted and polycentric, which is a significant result that reflects the actual situation well. This results provide the basic data for functional and institutional territorial governance for the regional revitalization platform, and provide meaningful information necessary for spatial policy decision-making, such as population reduction, regional gross domestic product, and public facility arrangement that can respond to energy savings, transportation plans, and medical and health plans.