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- 저자 : 김미애 ( Mi-ae Kim ) (검색결과 169 건)
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자동차(自動車) 폐촉매(廢觸媒)의 침출액(浸出液)으로부터 백금족(白金族) 금속(金屬)의 용매추출(溶媒抽出)
김미애,이재천,김치권,김민석,김병수,유경권,Kim, Mi-Ae,Lee, Jae-Chun,Kim, Chi-Kwon,Kim, Min-Seuk,Kim, Byung-Su,Yoo, Kyoung-Keun 한국자원리싸이클링학회 2006 자원리싸이클링 Vol.15 No.5
The solvent extraction for the separation of platinum group metals from the leach liquor of spent automotive catalysts has been studied. Tri-n-butyl phosphate (TBP), tri-n-octylamine (TOA) and di-n-hexyl sulfide (DHS) were used as extractants and kerosene as a diluent. The extraction behavior of platinum, palladium and rhodium has been investigated as functions of different kinds of extractants and their concentrations. In addition, the extraction behavior of the major metal impurities such as cerium, lead, iron, magnesium and aluminum has been investigated. Platinum and palladium were extracted with TBP. And platinum, palladium and rhodium were extracted with TOA. Platinum was co-extracted with palladium into the organic phase by solvent extraction using SFI-6 of DHS extractant, but only palladium was selectively extracted with SFI-6R. The selective extraction of palladium with SFI-6R was found better than that with SFI-6, but the kinetics of extraction with SFI-6R was found poor in comparison to SFI-6. The metal impurities extracted simultaneously during the extraction of platinum group metals should be removed in scrubbing and stripping processes. A suitable process has been proposed for the separation of platinum group metals from the leach liquor of spent automotive catalysts. Initially palladium was extracted with SFI-6R, followed by the separation of platinum with TBP or TOA leaving rhodium in the raffinate.
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한국땅거미 ( Atypus coreanus Kim. 1985 ) 전대그물의 화학적 정량분석
김주필,이영보,장승종,김미애 ( Joo Pil Kim,Young Bo Lee,Seong Jong Jang,Mi Ae Kim ) 한국환경생물학회 1998 환경생물 : 환경생물학회지 Vol.16 No.1
Spiders are easily distinguished from all other creatures by behavior of making webs. Among the web building spiders which depend largely on their webs to predation, Atypidae, four species in Korea, uses the purse web which is the most primitive one than other spider`s web in Korea. To analyze the chemical properties of the purse web, 30 ㎎ of Atypus coreanus` web was collected in Joan-myun, Namyangjoo-city, Kyunggi-do. As a result, the purse web of Atypus coreanus mostly consists of Glycine (5.3%), Glutamic acid (8. 26%) and Alanine (14. 17%). Especially the web of Atypus coreanus has more proportion of serine (9.28%), which plays an important role in intricacy, than that of orb webs used by Nephila clavata(4.84%) and Araneus ventricosus(4.84%).
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김미애 ( Mi-ae Kim ),예영민 ( Young-min Ye ),반가영 ( Ga Young Ban ),신유섭 ( Yoo Seob Shin ),남동호 ( Dong-ho Nahm ),박해심 ( Hae-sim Park ) 대한천식알레르기학회 2017 Allergy Asthma & Respiratory Disease Vol.5 No.4
Purpose: Allergic rhinitis is one of the most common chronic diseases that affect in sleep, fatigue, headache, impaired cognition, and performances at work or school. Monitoring rhinitis control is important, because rhinitis is a life-long disease and affects pa tients` health-related quality of life. The rhinitis control assessment test (RCAT) completed its development and initial validation, fol lowing confirmation of its reliability, validity, and responsiveness in the United States. To apply the RCAT in Korean clinical practice, we conducted linguistic adaptation of the RCAT in Korean language. Methods: The process of linguistic adaptation was composed of 10 steps: preparation, forward translation, reconciliation, back translation, back translation review, harmonization, cognitive debriefing, review of cognitive debriefing results and finalization, proofreading, and the final report. Results: We completed a Korean version of the RCAT according to 10 steps. The Korean version of the RCAT was composed of 6 items, including nasal and ocular symptoms, sleep disturbances, limitation of casual activity, and symptom control. The score ranged from 5 to 30. Higher score indicated the well-controlled status of rhinitis. Conclusion: We conducted linguistic adaptation of the RCAT in Korean, which would be helpful in clinical practice to assess the sta tus of rhinitis control and to adjust rhinitis medications. (Allergy Asthma Respir Dis 2017;5:205-210)
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김미애(Mi-Ae Kim),주영진(Young-Jin Joo) 한국전자거래학회 2015 한국전자거래학회지 Vol.20 No.1
본 연구에서는 스마트폰 소비자들이 추구하는 편익을 바탕으로 스마트폰 소비자들에 대한 세분시장을 파악하고, 각 스마트폰 세분시장에서 중요하게 생각하는 속성을 분석하였다. 연구결과 스마트폰 소비자들은 실용적 편익과 쾌락적 편익과 함께 네트워크 편익을 추구하고 있으며, 추구편익에 따라 스마트폰 소비자들을 모든 편익 추구 집단, 실용적 네트워크 편익 추구 집단, 쾌락적 네트워크 편익 추구 집단, 비네트워크 편익 추구 집단 등의 4가지 군집으로 구분할 수 있었다. 4가지 추구편익으로 세분화된 스마트폰 소비자 집단별로 중요시 하는 스마트폰 속성들은 단말기 가격, 단말기 브랜드, 단말기 반응속도, 어플리케이션 활용, 요금제, 무선인터넷 연결품질, 동일한 통신사 가입자 수 등의 7가지 스마트폰 주요 속성들 중에서도 다양하게 차이가 나는 것을 확인할 수 있었다. 본 연구는 스마트폰 소비자들이 추구하는 편익의 유형을 분석하여 이제까지 제품에 대한 추구편익의 유형으로 널리 인식되어 온 실용적 편익과 쾌락적 편익의 2가지 유형에 추가하여 네트워크 편익이 중요하게 구분되어 존재하고 있음을 확인한 것, 실용적 편익, 쾌락적 편익 및 네트워크 편익을 추구하는 수준에 따라 특징적으로 구분될 수 있는 스마트폰 소비자 집단을 세분화 하여 각 세분 집단별 차별화 수단을 속성 차원에서 제시한 것 등에서 의의를 찾을 수 있다. This study aims to classify the pursuit benefits of smart-phone users, to find smart-phone market segments by pursuit benefits, and to analyze the relative importances of smart-phone attributes according to the smart-phone market segments. As a result, we found that smartphone users are pursuing the network benefit as well as the two traditional benefits (the utilitarian benefit and the hedonic benefit). According to the levels of these three pursuit benefits, smart-phone users can be classified into four segments : All Benefits Cluster, Utilitarian-Network Benefits Cluster, Hedonic-Network Benefits Cluster, and Non-Network Benefits Cluster. We also verified that, according to the four smart-phone user segments by the pursuit benefits, there exist significant differences in relative importances of the seven smart-phone attributes : hand-set price, hand-set brand, hand-set speed, applications, tariff, mobile internet quality, and number of same service users.
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김미애 ( Mi-ae Kim ),서창교 ( Chang-kyo Suh ) 한국정보시스템학회 2015 정보시스템연구 Vol.24 No.4
Purpose This study intended to introduce new approaches to identify the intellectual structure of supply chain management(SCM) researches, which combines author co-citation analysis(ACA) and social network analysis(SNA). Design/methodology/approach We searched RISS(www.riss.kr) and NDSL(www.ndsl.or.kr) database and collected 292 academic papers on supply chain management between 2001 and 2011. Among 9,637 references of these papers, we analyzed 1,848 references that were published by domestic authors. We produced a correlation matrix of 32 author co-citation matrix and conducted multi-variate statistical analysis such as factor analysis. We also performed social network analysis to identify the main researchers in SCM. Findings We found four main sub-areas of supply chain management research: SCM adoption factors, logistics, SCM performance, and SCM structure. We could present the authors who played important roles within the network by using SNA indicators. The finding of this research also suggests more collaborations among domestic researchers are required to overcome the low co-citation rates among domestic authors.
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