Earticle

Home 검색결과

결과 내 검색

발행연도

-

학문분야

자료유형

간행물

검색결과

검색조건
검색결과 : 22
No
1

5,200원

2

5,800원

3

5,100원

5

제주방문 중국관광자의 관광성향에 관한 연구

이하정

관광경영학회 관광경영연구 제5권 제1호 통권 11호 2001.02 pp.156-173

※ 기관로그인 시 무료 이용이 가능합니다.

The purpose of this study is to find out Chinese tourist's disposition in Jeju where is designated 'No-Visa Area' for Chinese tourist and to suggest the marketing strategies which is able to satisfy Chinese tourist's wants and activate Chinese tourist's visit. For this, first of all, based on in depth understanding about Chinese tourist and structural problem in Jeju tourism, practical and effective strategies can be implemented, resulting in attracting more Chinese tourists to Jeju. So it should be inquired of preparation to receive Chinese tourist in Jeju and getting them satisfying tour service and Jeju's tourism public relation for chinese market which is called 'sleeping tourism giant'. The contents of this study are as follows : Ⅰ. Introduction to the purpose and method of this study, Ⅱ. Present situation of Jeju's Chinese tourism, Ⅲ. Problem and Improvement, Ⅳ. Conclusion.

5,200원

6

중국관광자의 시장세분화에 관한 연구 - 제주지역을 중심으로

이하정

관광경영학회 관광경영연구 제5권 제3호 통권 13호 2001.10 pp.269-290

※ 기관로그인 시 무료 이용이 가능합니다.

The purpose of this study is to propose the model for developing tourism products by market segmentation of chinese tourists visiting Korea. In order word, the research attempts to analyze chinese tourist's expectation for Cheju Island where is designated 'No-Visa Area', and to suggest useful marketing strategies for tourism market segmentation. To achieve the purpose of this study, this has theoretical study and empirical study. In theoretical study, this defined 'Chinese tourist', 'tourism market segmentation' and 'tourism products' in aspect of tourism through the documentary study. In empirical research was conducted based on the previous theoretical studies. 381 chinese tourist who visited korea were selected as samples of this study. And the answers were processed by SPSS PC Ver 10.0 to yield frequency Analysis, Reliability Analysis, ANOVA and Regression Analysis. This study results chinese tourists visiting Cheju Island have activity disposition, tourist convenience, and destination intention. In the view of tourism market segmentation, positive the rising generation was selected as a target market. They have many interest in visiting Cheju. In addition, this research suggests improvement for attracting more chinese tourist to Cheju Island in terms of law and regulations, accomodations, and marketing. It is believe that study will greatly contribute to obtain competitive edges of Cheju's tourism industry.

5,800원

7

호텔종사자의 윤리적 리더십과 조직몰입 및 개인인지사고특성과의 상관성 연구

이하정, 김문겸

관광경영학회 관광경영연구 제22권 제5호 통권 84호 2018.09 pp.1047-1067

※ 기관로그인 시 무료 이용이 가능합니다.

This study analyzes how the employees’ perceived ethicality of employers’ leadership influences the employees’ organizational commitment in the hotel industry, as well as whether individual cognitive characteristics serve as a moderating variable in the relationship between ethical leadership and organizational commitment. Thus, this research conducted a survey on 297 subjects who work in the top hotels in South Korea, from June 25th 2017 to July 27th 2017. Following the experiment, structural equation modeling was used to analyze the causal relationship between ethical leadership and organizational commitment, as well as Multilevel Confirmatory Factor Analysis (MCFA) and Multigroup Structural Equation Model (MSEM) for verifying the moderating effect of individual cognitive characteristics. As a result, procedural justice, transparency, and integrity of ethical leadership was found to be influencing the employees’ organizational commitment. Moreover, within employees’ individual cognitive characteristics, sequential processing ability was found to serve as a moderating variable in between ethical leadership and organizational commitment. This study concludes by explaining how following research with consideration of different positions of hotel employees could contribute to obtaining a better understanding of effective human resource management.

5,700원

8

개인 인지사고특성과 직무만족 간의 영향관계에서 감정노동의 조절효과 연구

이하정, 장양례

관광경영학회 관광경영연구 제22권 제3호 통권 82호 2018.05 pp.473-496

※ 기관로그인 시 무료 이용이 가능합니다.

While duty-free sales service employees’ personalities are influenced by individual cognitive psychological characteristics such as serial thinking, irregular thinking, abstract thinking, and specific thinking, those cognitive characteristics are also deeply related to the level of job satisfaction regarding the general occupation and job abilities. This study analyzes how emotional labor can also be a factor that moderates the correlation between job satisfaction and individual cognitive psychological characteristics. This study shows how the group with higher abstract thinking skills has positive effect on overall job satisfaction in both the correlation between individual cognitive psychological characteristics and job satisfaction as well as emotional diversity and control of emotional imbalance. This study further suggests duty-free sales service employees to implement personality tests in the recruiting process as well as assigning tasks to employees by taking their cognitive psychological characteristics into account.

6,100원

9

웹기반 지리적 시각화와 통계분석을 위한 FOSS 커플링

김형우, 이하정, 이정훈, 이양원

한국지도학회 한국지도학회지 제11권 2호 2011.08 pp.91-100

※ 기관로그인 시 무료 이용이 가능합니다.

FOSS(free and open source software)는 라이선스의 제약 없이 자유롭게 소스코드를 재사용하거나 수정 및 배포할 수 있는 소프트웨어로서, 정보시스템 구축의 새로운 대안으로 자리잡아가고 있다. 최근 GIS의 컴퓨팅 환경이 웹으로 확장되면서 FOSS를 활용하여 공간데이터를 공유하거나 시각화하기 위한 시도들이 이루어지고 있다. 기존의 연구들을 통해 볼 때, 웹GIS에서 FOSS 애플리케이션들은 환경 및 생태 정보 제공을 위한 지도서비스가 주를 이루며 분석지향적인 사례는 매우 드물다. 또한 공간 DBMS(database management system), GIS툴, 통계패키지 등의 FOSS가 개별적으로 웹GIS에 활용되어 왔으나, 개방성과 재사용성이 우수한 이들 FOSS를 커플링(coupling)하면 공간자료의 공유, 시각화에서 더 나아가 공간데이터의 통계분석을 지원하는 웹GIS가 구축 가능할 것이다. 이에 본 연구에서는 웹 환경에서 DBMS, GIS툴 및 통계패키지를 커플링하는 브로커리지(brokerage) 모듈을 개발하고, 이를 이용하여 공간자료의 저장, 질의, 처리 및 통계분석을 수행하며 그 결과를 시각화하는 FOSS 기반의 웹GIS 프레임워크를 제시하고자 한다. 공간 DBMS로는 래스터와 벡터가 모두 지원되는 PostGIS을 이용하였고, 공간데이터 프로세싱에는 GRASS, 통계분석에는 R, 시각화를 위한 지오브라우저로는 Google Maps와 Google Earth를 사용하였다. 이러한 FOSS들의 커플링을 위한 브로커리지 모듈은 운영체제 독립적인 Java 언어로 구현되었으며, API(application programming interface)를 통해 JSP(Java Server Pages)에서 참조하여 웹 인터페이스를 구성하도록 하였다. 본 시스템에 대한 테스트에서는, 남한지역의 NDVI(normalized difference vegetation index)와 환경요소 간의 회귀분석을 수행하는 프로토타입을 통해 공간데이터의 공유, 프로세싱, 시각화, 분석에 있어서의 가용성이 검토되었다.
The FOSS (free and open source software), which ensures free reuse and redistribution of source code without restrictions of license, has become a new approach to building an information system nowadays. With the trends of GIS extension to the web, the utilization of FOSS for sharing and mapping of spatial data is also thought of as a valuable work. While existing FOSS applications for web-based GIS simply focused on the mapping of environmental and ecological information, the research on analysis-oriented FOSS for web-based GIS has been rarely carried out. Moreover, web-based coupling of spatial DBMS (database management system), GIS tool, and statistical package was not sufficiently challenged although each of the components has been well utilized. Hence, the objective of this paper is to present a GIS application framework for coupling server-side FOSS for geographical visualization and analysis on the web. We implemented a brokerage module for the invocation of FOSS functions on the server and developed an API (application programming interface) for coupling PostGIS, GRASS, and R Statistical Package. We also employed Google Maps and Google Earth Plug-in as a geo-browser for the visual exploration of spatial data. A feasibility test for our system was carried out using a regression analysis for the relationships between NDVI (normalized difference vegetation index) and environmental factors in South Korea.

4,000원

10

개인스케줄과 지도서비스를 결합한 안드로이드 스마트폰 앱의 구현

이하정, 이양원

한국지도학회 한국지도학회지 제10권 2호 2010.12 pp.103-111

※ 기관로그인 시 무료 이용이 가능합니다.

지리정보 및 시공간정보의 활용은 사용자 중심의 모바일 애플리케이션 발전에 있어 매우 중요한 역할을 담당한다. 현재 지도서비스와 연계된 스마트폰 애플리케이션은 다수 제공되고 있으나, 지리정보를 활용하는 연구는 관광정보, 버스정보 등 소수의 사례만이 보고되었다. 이러한 연구들에 부가하여, 모바일이라는 개인화된 환경을 고려할 때 사용자 자신과 관련된 정보와 지도서비스를 결합하는 지리정보 애플리케이션의 개발이 매우 필요하다고 하겠다. 이에 본 연구에서는 스마트폰의 네이티브 애플리케이션인 캘린더와의 동기화를 통해 개인스케줄을 지도서비스와 결합하는 애플리케이션을 구현함으로써 위치, 시각, 일정 등 개인화된 상황문맥을 스마트 폰에서 활용하는 방안을 제시하고자 한다. 본 애플리케이션은 개방형 운영체제로서의 잠재력을 가진 안드로이드 탑재 스마트폰을 타겟으로 하여 자바 언어로 개발되었으며, GPS 위치정보와 구글맵스 지도서비스를 활용하여 개인스케줄을 지도화하고, 사용자 주변 도로교통상황의 표시, 지오코딩에 의한 장소검색 등의 기능을 제공한다. 이 애플리케이션 구현에 사용된 코드들은 라이브러리 형태로 패키징되어 다른 애플리케이션 개발에 재사용 및 확장 가능하다.
Geographical information can play an important role in developments of user-centered applications for mobile computing. Although an increasing number of Smartphone applications working with maps are now provided, very few have been reported to GIS colleagues. In addition to recent studies on the Smartphone applications for tourism and bus guidance, a more personalized application combining user’s own information with internet maps will be also necessary in terms of the personal mobile GIS. This paper proposed a method for utilizing personal contexts like location, time, and schedule in combination with map services on the Smartphone. We implemented a Smartphone application that communicates with the native Calendar application and the GPS module in order to visualize the location and time of user’s schedule on the Google Maps. Our application is based on the Android operating system that possesses considerable potential as an open-source software. In addition to the geovisualization of personal schedules, it includes the presentation of traffic information around the user and the functions for place retrieval via geocoding. The Java codes in our application were packaged in the form of a library so that it can be extensible to other Android applications using the Calendar, GPS, and Goolge Maps.

4,000원

12

Solanum melongena var. fructualbo의 原形質体 遊離 및 培養

정재동, 이하정

경북대학교 농업생명과학대학 경북대농학지 Vol. 5 1987.12 pp.19-26

※ 원문제공기관과의 협약기간이 종료되어 열람이 제한됩니다.

Solanum melongena var. fructualbo 품종(品種)을 이용(利用)해서 원형질체 유리(遊離)에 미치는 여러 가지 요인(要因)을 규명하여 원형질체를 배양(培養)하여 금후(今後) 유용(有用)한 체세포잡종식물의 획득(獲得)에 필요한 기초자료로 활용하고자 실험(實驗)하였다. CPW 무기염이 함유(含有)된 0.7M mannitol 용액(溶液)에 1시간(時間)동안 전처리(前處理)한 후(後) cellulase 1.5%, macerozyme 0.2%, mannitol 0.6M, MES 0.01M, BSA 0.2%, pH 6.3에서 4시간(時間) 배양(培養)한 것이 원형질체 수량(收量) 및 상태(狀態)가 가장 양호(良好)하였다. 수세용액내(水洗溶液內) mannitol 농도(濃度)는 0.7M에서, sucrose 농도(濃度)는 0.6M로 하여 ESSCC방법(方法)으로 회수(回收)하는 것이 건전하고 안정(安定)된 원형질체 대량획득(大量獲得)에 적합하였으며, 거의 최적조건을 이용(利用)하여 처리(處理)된 원형질체를 의 밀도(密度)로 8P-KM배지(培地)에 배양(培養)했을 때 3~5일(日)부터 세포신장(細胞伸長)을 하였고, 그 이후(以後)부터 세포분열(細胞分裂)이 이루어져 10일(日) 후(後)부터 colony 형성(形成)이 관찰되었다.
The experiments were conducted to identify several factors affecting isolation and culture of mesophyll protoplasts in Solanum melongena var. fructualbo. Higher viable plotoplasts were obtained, when isolated in 1.5% macerozyme, 0.2% macerozyme, 0.6M mannitol, 0.01M MES, 0.2% BSA containing solution adjusted to pH 6.3 for 4 hours. One hour plasmolysis of the material before digestion of leaf tissue was effective for protoplast yield and viability. The method of washing and purification of crude protoplasts, ESS process with 0.7M mannitol and 0.6M sucrose solution. was the best way to get purified protoplasts with viability. As isolated protoplasts were cultured in 8P-KM medium at a density of , the cells were enlarged after 3 to 5 days from culture, subsequently the cells were divided and resulted in colonies.

13

농형 유도전동기의 회전자 형상과 단면적 변화에 따른 토크-스피드 곡선 비교

이진석, 이하정, 박관수

[Kisti 연계] 한국자기학회 한국자기학회지 Vol.26 No.2 2016 pp.67-69

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

최근 중국의 희토류 자석 생산 독점과 수출 규제로 인해 희토류 자석의 가격이 급등하였다. 이러한 경제적인 문제로 인해, 희토류 자석을 사용하지 않는 유도전동기의 연구가 활발히 이루어지고 있다. 이 논문에서는 유도전동기의 토크를 계산하고, 농형 유도전동기의 회전자 단면적과 저항에 관한 상관관계를 연구하였다. 또한, 회전자의 단면적이 같고 형상이 다를 경우, 회전자의 누설 리액턴스와 토크의 상관관계에 대해 분석하여 농형 유도전동기를 개선하고자 하였다.
Recently, cost of rare-earth magnets has been raised, because rare-earth magnets are monopolized and the export is also regulated in China. For this reason, the induction motor is operated without the rare-earth magnets. The efficient development of induction motor is more important for economical scheme. A torque of the induction motor is computed and the correlation between dimension and resistance of the squirrel cage rotor is investigated. Also, the correlation between leakage reactance and torque was analyzed with respect to the same dimension of rotor with different shapes. Therefore, this paper proposes the method of improvement for squirrel cage rotor.

원문보기
14

작약 레드참 꽃잎의 이온화원-푸리에 변환 질량분석과 기능성 연구

김준현, 최용복, 이하정, 김용희, 김준환, 심정민, 손영선

[Kisti 연계] 한국자원식물학회 한국자원식물학회지 Vol.29 No.5 2016 pp.588-597

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

<p>Little attention has been paid to the functional aspect of the flower petal of Paeonia lactiflora, compared to that of its root. To determine the components of flower petal of Paeonia lactiflora, we conducted the Fourier transform ion cyclotron resonance (FT-ICR) MASS spectrophotometric analysis. We detected the 24 different types of ingredients from the 70% ethanol extracts of flower petal of peonia lactiflora cv. ‘Red Charm’. The main compounds were quercetin glucopyranosides, methyl gallate, paonioflolol and kaemperol glucopyranosides. We further tested its functional activity. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity of the extracts was 87.9-90.4% at 0.1mg/ml. This result showed that these flower extracts have approximately 5-fold stronger antioxidant potential than a previous report with root extracts (<xref ref-type="bibr" rid="r001">Bang et al. 1999</xref>). The result of tyrosinase inhibition assay of Paeonia lactflora extract was almost similar to that of arbutin except significantly higher effect in the coral sunset extract at 0.1% concentration. Hyaluronidase inhibition assay showed 76.5% inhibition at 5% concentration of this flower extract, indicating that Peaonia lactiflora flower extracts have the major anti-inflammatory, anti-oxidant and brightening effects. Taken together, these results suggest these three Paeonia lactiflora species extracts might provide the basis to develop a new natural brightening agent.</p>
Little attention has been paid to the functional aspect of the flower petal of Paeonia lactiflora, compared to that of its root. To determine the components of flower petal of Paeonia lactiflora, we conducted the Fourier transform ion cyclotron resonance (FT-ICR) MASS spectrophotometric analysis. We detected the 24 different types of ingredients from the 70% ethanol extracts of flower petal of peonia lactiflora cv. ‘Red Charm’. The main compounds were quercetin glucopyranosides, methyl gallate, paonioflolol and kaemperol glucopyranosides. We further tested its functional activity. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity of the extracts was 87.9-90.4% at 0.1mg/ml. This result showed that these flower extracts have approximately 5-fold stronger antioxidant potential than a previous report with root extracts (Bang et al. 1999). The result of tyrosinase inhibition assay of Paeonia lactflora extract was almost similar to that of arbutin except significantly higher effect in the coral sunset extract at 0.1% concentration. Hyaluronidase inhibition assay showed 76.5% inhibition at 5% concentration of this flower extract, indicating that Peaonia lactiflora flower extracts have the major anti-inflammatory, anti-oxidant and brightening effects. Taken together, these results suggest these three Paeonia lactiflora species extracts might provide the basis to develop a new natural brightening agent.

원문보기
15

PCS(Pressure Core Sampler) 개발 및 성능평가실험

이하정, 김해진, 이계광, 정효석, 손인락

[Kisti 연계] 한국마린엔지니어링학회 한국마린엔지니어링학회지 Vol.39 No.9 2015 pp.973-980

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

비전통 에너지자원은 전통 에너지자원에 비해 지리적으로 넓은 지역에 걸쳐 연속적인 형태로 분포되어 있으나, 잔존 기술적 회수가능 자원량(TRR : Technical Recoverable Resource)은 전통자원과 비슷하여 그 개발이 확대되고 있으며, 특히 셰일가스, 치밀가스, 석탄층 메탄가스, 가스하이드레이트 등의 비전통 가스자원의 개발이 활기를 띄고 있다. 그러나 현재의 물리검층 기술로는 비전통 자원에 포함된 물성, 특히 가스의 함량을 정확히 계산하기 어려우며 관련 기자재 또한 일부 해외 업체에서 독점하고 있다. 따라서 본 연구에서는 지하심부의 시료채취 순간부터 그 지점의 심부압력을 유지하여 시료 내 가스의 손실 없이 코어를 회수하고, 온도와 압력을 실시간으로 기록하는 저류층 PCS(Pressure Core Sampler)를 개발하였으며, 제작된 시제품의 검증을 위한 성능실험을 수행하였다. 모든 성능평가를 통과한 시제품은 In-situ 물성자료의 취득은 물론이고 정확하고 신뢰성 있는 시추코어를 확보하는 데 기여할 것이다.
With their wide geographical distribution, unconventional resources are continuously compared against conventional resources, but their development is expanding because TRRs (Technical Recoverable Resources) are similar to conventional resources. In particular, there is active development of unconventional gas resources such as shale gas, tight gas, CBM (coalbed methane) and gas hydrate. However, it is difficult to calculate the material properties of unconventional resources, especially the gas content, with current geophysical logging technology. Additionally, some overseas companies have monopolies on related equipment and materials. Therefore, this study developed a reservoir PCS (Pressure Core Sampler). It can collect core samples without gaseous loss by maintaining high pressure from the moment the core is sampled and record pressure and temperature in real time. Successful performance testing was also carried out for official verification of the manufactured PCS. The reservoir PCS will contribute to the acquisition of geophysical well logging data as well as accurate and reliable cores.

원문보기
16

유아의 자아존중감과 행복감이 회복탄력성에 미치는 영향

이하정, 탁정화

[Kisti 연계] 한국보육지원학회 한국보육지원학회지 Vol.11 No.4 2015 pp.39-61

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

본 연구는 유아의 자아존중감과 행복감, 회복탄력성의 관계를 분석하는 데 목적이 있다. 연구대상은 유아교육기관에 재원하고 있는 만 5세 유아 200명이었다. 자료수집은 자아존중감, 행복감, 회복탄력성 검사도구를 이용하였으며 수집된 자료는 연구문제에 따라 Pearson의 적률상관계수와 중다회귀분석을 통하여 자료를 분석하였다. 분석 결과에 따르면 유아의 자아존중감은 보통보다 낮은 수준이었으며 행복감과 회복탄력성은 보통보다 높은 수준의 인식정도를 보였다. 유아의 자아존중감과 행복감, 행복감과 회복탄력성, 자아존중감과 회복탄력성 간에는 정적 상관이 있는 것으로 나타났다. 또한 유아의 자아존중감과 행복감이 회복탄력성에 미치는 영향을 살펴본 결과에 따르면 행복감과 자아존중감 순으로 높은 영향을 미치는 것으로 나타났다. 이는 유아교육기관에서 유아의 회복탄력성을 높이기 위하여 행복감과 자아존중감 하위요소의 영향력을 고려해야 함을 시사하고 있다.
The purpose of this study was to examine the influence of the variables of young children related to self-esteem and happiness on their resilience from multidimensional perspectives. The subjects in this study were 200 young children who spend daily life in early childhood education institutions located in Busan. The findings of the study were as follows: First, the level of young children's awareness about their self-esteem was below average, but the level of their awareness about their happiness and resilience was above average. Second, there were significant positive correlations among their total self-esteem scores, total happiness scores and total resilience scores. Third, the self-esteem and happiness of the young children exerted a significant influence on their resilience. Among the subfactors of happiness and self-esteem had the largest impact on resilience.

원문보기
17

논토양 안정화 현장 실증 시험을 통한 납, 구리의 용출 저감 및 벼로의 식물전이 특성 규명

이하정, 이민희

[Kisti 연계] 대한자원환경지질학회 자원환경지질 Vol.45 No.3 2012 pp.255-264

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

제강슬래그와 석회석을 이용하여 구리와 납으로 오염된 농경지를 대상으로 안정화 배치 및 칼럼실험을 실시하였으며, 파일럿 규모의 현장 시험구(testing ground: 가로 2 m ${\times}$ 세로 2 m ${\times}$ 깊이 0.5 m)를 4 개 제작하여 실증시험을 실시하였다. 안정화제 종류별 구리와 납의 용출 저감 효과를 규명하기위한 배치실험 결과, 석회석 3% + 제강슬래그 2%를 혼합한 경우, 구리와 납 모두 85% 이상의 높은 용출 저감 효과를 나타내었다. 오염 토양의 장기적 안정화를 예측하고자 인공강우에 의한 연속 용출 칼럼실험을 실시하였다. 배수시스템이 설치된 직경 15 cm, 높이 100 cm의 대형 아크릴 칼럼을 제작하였으며, 배치실험 결과로부터 중금속 용출 저감 효과가 뛰어난 석회석 3% + 제강슬래그 2%를 안정화제로 사용하였다. 안정화제를 첨가하지 않은 경우 칼럼 용출수의 납농도는 시간에 따른 저감이 발생하지 않아 지하수 생활용수 기준치(0.1 mg/L)를 초과하였으나, 안정화제를 첨가한 경우 실험진행 1년부터 0.04 mg/L 이하를 유지하여 용출 저감 효과가 뚜렷하게 나타났다. 안정화제를 첨가하지 않은 시험구의 경우, 60 일 이후에도 토양수의 납 농도는 지하수 생활용수 기준치보다 높은 0.38 mg/L이었으며, 구리의 농도는 0.69 mg/L를 나타내어 오염토양으로부터 지속적인 중금속 용출이 일어나고 있었다. 안정화제를 첨가한 3 개의 시험구 중, 석회석 3% + 제강슬래그 2%를 안정화제로 사용한 시험구의 용출 저감효과가 가장 뛰어나 20 일 이후부터는 구리와 납 모두 용출되지 않았다. 시험구에 벼를 재배하여 부위별 중금속 농도를 분석한 결과, 벼의 성장에 따른 토양으로부터 구리와 납의 식물전이는 뿌리가 가장 높았고, 잎(줄기포함), 쌀알 순이었다. 안정화제를 첨가한 시험구의 경우, 무처리 시험구보다 단위중량당 구리, 납의 식물전이량이 75% 이상 감소하였다. 연구 결과 석회석과 제강슬래그를 혼합한 안정화제 첨가에 의해 오염토양으로부터 구리, 납의 용출이 감소할 뿐 아니라, 재배하는 식물로의 전이량도 대폭 저감하는 것으로 나타났다.
The stabilization using limestone ($CaCO_3$) and steel making slag as the immobilization amendments for Cu and Pb contaminated farmland soils was investigated by batch tests, continuous column experiments and the pilot scale feasibility study with 4 testing grounds at the contaminated site. From the results of batch experiment, the amendment with the mixture of 3% of limestone and 2% of steel making slag reduced more than 85% of Cu and Pb compared with the soil without amendment. The acryl column (1 m in length and 15 cm in diameter) equipped with valves, tubes and a sprinkler was used for the continuous column experiments. Without the amendment, the Pb concentration of the leachate from the column maintained higher than 0.1 mg/L (groundwater tolerance limit). However, the amendment with 3% limestone and 2% steel making slag reduced more than 60% of Pb leaching concentration within 1 year and the Pb concentration of leachate maintained below 0.04 mg/L. For the testing ground without the amendment, the Pb and Cu concentrations of soil water after 60 days incubation were 0.38 mg/L and 0.69 mg/l, respectively, suggesting that the continuous leaching of Cu and Pb may occur from the site. For the testing ground amended with mixture of 3% of limestone + 2% of steel making slag, no water soluble Pb and Cu were detected after 20 days incubation. For all testing grounds, the ratio of Pb and Cu transfer to plant showed as following: root > leaves(including stem) > rice grain. The amendment with limestone and steel making slag reduced more than 75% Pb and Cu transfer to plant comparing with no amendment. The results of this study showed that the amendment with mixture of limestone and steel making slag decreases not only the leaching of heavy metals but also the plant transfer from the soil.

원문보기
18

키스 해링[Keith Haring]의 작품을 응용한 니트웨어 디자인 - 튜블러 자카드 조직을 활용하여 -

이하정, 이연희

[Kisti 연계] 한국복식학회 복식 Vol.61 No.1 2011 pp.69-83

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

This study applied cartoon-like simple and implicit symbol of Keith Haring works to tubular jacquard knit, designed woman casual knit wear with fun, explicit and activities using fluorescent yarns with explicit features. This study aimed to propose the directions for new market pioneering that meets the emotional requirements of modern people by raising the level of utilization and expression area of knit fashion, and to present the constructive directions for high value-added knit wear by designing highly effective knit wear. Methods of this study examined the lifetime and artistic background of Keith Haring and collected his works through searching of internet, scholastic publications or thesis. Formative types and colors of works collected were analyzed and classified according to characteristic standards of Haring and characteristic formativeness and color of works were extracted. The result of this study is as shown below: First, the feature of his works can be summarized into motif that has symbolic and implicit cartoon-like lines including narratives as well as enormous number of works. Such feature is very suitable for variation and recombination in realization of design and has unlimited potentials for development. Second, image colors can be extracted such as black and white, original color and fluorescent paints, which reflects the intention of artist who put focus on communication with the public. Such color feature is very suitable for design motif that has explicitness of reflecting the intention of artist through use of special fluorescent yarn. Third, I made it as reversible wear that has effects of increasing or decreasing the explicitness according to color area ratio using the feature of textures allowing use of both sides as well as form stability of tubular jacquard. Fourth, by adjusting the thickness of fabric with controlling of ply in fabric using poly yarn and wool union yarn, I could obtain good results of study in terms of technique that can express various materials with embossed dynamic effects of unevenness on flat surface.

원문보기
19

조선후기 유물에 나타난 십장생문의 조형성 분석 - 자수품을 중심으로 -

이하정, 이상은

[Kisti 연계] 한국의상디자인학회 한국의상디자인학회지 Vol.12 No.1 2010 pp.131-139

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

The ten traditional symbols of longevity are represented as 10 which means perfection in oriental philosophy, the sun, mountain, water, cloud, rock, pine tree, elixir plant, tortoise, crane and deer. each subjects symbolizing longevity had used in isolation. unlike China and Japan, the ten symbols of longevity became a fixed form and was widely used in paintings, household effects and clothes in Korea. therefore, It will be a meaningful study how the ten symbols of longevity, as one of subjects in painting, changed into a pattern on clothes. The ten symbols of longevity was affected by various philosophies and religion. especially, it laid emphasis on order by Yin-Yang and the Five Elements theory. the order was applied to arrange each subjects and use colors carefully. the sun colored with red and was on the upper. the pine tree colored with green meaned tree and was on the left. the earth and the mountain meaned the soil and was on the center. the rock meaned the iron and was on the right. the water meaned the water and was on the bottom. The subjects of the study were embroideries like spectacle cases, spoon cases and pouches. the scope of study was the Latter Part of the Joseon Dynasty because there are more relics in the Joseon Dynasty than any other times.

원문보기
20

PVDF 정밀여과막 제조에 관한 기초 연구

이원석, 이하정, 한준영, 전재홍, 민병렬

[Kisti 연계] 한국막학회 한국막학회 학술대회논문집 2004 pp.84-87

협약을 통해 무료로 제공되는 자료로, 원문이용 방식은 연계기관의 정책을 따르고 있습니다.

 
1 2
페이지 저장