2D Simulations for Wiggler Errors in a Free-Electron Laser

NAM*, Soon-Kwon,PARK, Yun Seong Korean Physical Society 2018 New Physics: Sae Mulli Vol.68 No.10

붕어의 발육 및 생식에 미치는 비소의 영향

남성숙,이철우,류지성,박응로,남규찬,류홍일,전성환,나진균,최덕일,박광식 한국환경독성학회 2001 환경독성보건학회지 Vol.16 No.2

To evaluate the arsenic effect of fish endocrine disruption, crucian carp (Carassius auratus) were treated with 0.5 mg/L and 3.0mg/L of As₂O₃ for 14 days and gonadal development was examined by histological analysis. In ovaries from female crucian carps exposed to 3.0mg/L, immature follicles and atretic follicles were appeared while various normal developmental stages of oocytes were shown in control group. Body weight and Gonadosomatic Index (GSI) of treated carp were also decreased compared to control group. However, no other significant histological changes in liver or kidney were shown in this exposure scheme, This means that reproductive organs are more sensitive than other organs and arsenic may exert endocrine disrupting effect through inhibiting the development of reproductive organ in fish.

헤어리베치 신품종 조생종 콜드그린과 중만생종 청파의 생육특성 및 수량성

신정남(Chung Nam Shin),고기환(Ki Hwan Ko),김종탁(Jong Tak Kim),이종경(Joung Kyong Lee),서성(Sung Seo),성병렬(Byung Ryul Seong),최기준(Gi Jun Choi),김종덕(Jong Duk Kim),오명곤(Myung Gon Oh) 한국초지조사료학회 2007 한국초지조사료학회지 Vol.27 No.4

본 시험의 목적은 대구 경북에 자생하는 헤어리베치로 다수성 조생품종과 중만생품종을 개발하기 위하여 수행하였다. 경북 성주와 경남 사천에서 1998년부터 2006년까지 자료수집 및 순화, 생육이 왕성한 조생 및 중만생계통선발, 상호교잡의 단순순환선발법으로 조생종인 콜드그린과 중만생종인 청파를 육성하였다. 육성종자는 2004년부터 2006년까지 경북성주와 경남사천에서 생육특성과 수량을 평가하였다. 줄기의 털은 콜드그린과 청파는 있었으나, 헤이메이커프러스와 라티고는 없었다. 잎의 모양은 콜드그린은 엽폭이 넓은 장타원형이고, 청파, 헤이메이커프러스, 라티고는 좁은 장타원형이었다. 꽃색은 콜드그린은 자주색이고 청파는 보라색이었다. 내한성은 성주에서 콜드그린, 청파, 라티고가 헤이메이커프러스 보다 높았으며 사천에서는 차이가 적었다. 개화기는 콜드그린과 헤이메이커프러스가 조생종으로 유사했고 중만생종인 청파는 라티고 보다 다소 빨랐다. 성주에서 건물수량은 콜드그린이 다른 품종 보다 높았으며 청파와 헤이메이커프러스는 라티고 보다 높았다(P<0.05). 2005년 사천에서는 콜드그린과 헤이메이커프러스는 다른 품종보다 높았으며, 청파는 라티고 보다 높았다(P<0.05). 베치의 조단백질 함량은 높고 ADF의 함량은 낮았다. The objective of this research was to develop a high yielding, early and medium-late flowering new hairy vetch(Vicia villosa Roth) varieties derived from an accession in Korea. Most vigorous early and medium-late flowering hairy vetch lines were selected and crossed by open pollination and their seeds were bulked and plants were reselected at Seongju in the Keongbuk and at Sacheon in the Keongnam. A performance trial was conducted to evaluate agronomic characteristics, forage quality and dry matter(DM) yield of new hairy vetch early-maturing 'Cold green' and medium-late maturing variety 'Cheong pa' at Seongju and Sacheon. 'Cold green' and 'Cheong pa' are hair but 'Haymaker plus' and 'Latigo' are nearly hairless. 'Cold green' has purple flowers while 'Cheong pa' has violet. The cold tolerance of 'Cold green,' 'Cheong pa' and 'Latigo' was higher than 'Haymaker plus' at Seong-ju, Keongbuk province, in inland region but there were a little differences at Sacheon, Keongnam province in southern coast region. Fifty percent-flowering dates of 'Cold green' and 'Haymaker plus' had earlier than others and 'Cheong pa' was earlier than 'Latigo'. The DM yield of 'Cold green' was higher than that of others, but 'Cheong pa' and 'Haymaker plus' had higher than 'Latigo' at Seong-ju(P<0.05). In Sacheon, The DM yield of 'Cold green' and 'Haymaker plus' was higher than others and 'Cheong pa' had higher than 'Latigo'.

기대빈도를 활용한 새로운 상대집중지수의 제안

남기성,오민홍,홍현균,Nam, Ki-Seong,Oh, Min-Hong,Hong, Hyun-Guyn 한국통계학회 2008 응용통계연구 Vol.21 No.4

본 연구는 기존의 순위만 고려하는 집중도를 보완하여 기대빈도를 이용한 새로운 상대집중지수 NOHI(Nam-Oh-Hong Index)를 제안하고, 이를 지역별 직업별 종사자 수에 적용함으로써 지역별 특화 직종 분포에 활용하는데 있다. 지역 간 특화정도를 보여주기 위해 개발된 입지계수(LQ)의 경우, 해당산업의 지역 내 비중을 상대적으로 고려하지 못함에 따라 지역 내 특성화를 반영하지 못하는 한계를 내포하고 있다. 본 연구에서 제안하는 NOHI는 이러한 단점을 보완하여 산업 및 직종의 지역간 지역내 특화도를 동시에 나타낼 수 있다. 본 연구에서 제안하는 NOHI를 활용하여 분석한 결과 서울은 경영 회계 사무관련직의 특화도가 높은 것으로 나타났으며, 부산은 기계 재료관련직의 특화도가 높은 것으로 나타났다. The purpose of this study is to introduce a relative specialization index, the Nam-Oh-Hong Index(NOHI) and to investigate regional distribution of occupational specialization using the newly developed index. Compared with Location Quotient(LQ), the advantages of the index is that the NOHI enables comparison between inter-regional and intra-regional concentration of employment possible at the same time. The results of the specialization analyses show that Seoul is specialized in management, book-keeping and office related occupations, whereas Busan in machine and material related occupations.

축산분뇨중의 암모니아성 질소 제거

진양오,최성우,김성우,김익성,신남철,박승조 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.2

The purpose of thus study were to investigate the proper conditions of struvite formation in synthetic wastewater and then to apply these conditions to effluent of anaerobic digester of livestock wastewater The conditions of struvite formation had been studied by many researchers. But a little conditions were different among them. Especially, according to suspended solid variation in livestock wastewater was investigated by few researchers. In experiment of synthetic wastewater, the proper conditions of struvite formation were pH 105, l50rpm of mixing rate, 10 minutes of reaction time, and 20 minutes of precipitation time. At same time, the ammonia nitrogen removal rates were about 99.7%, 95.5%, and 96% of synthetic wastewater, raw wastewater, and effluent of anaerobic digester of livestock wastewater at molar ratio of 2(Mg):l(N)2(P) respectively. The larger factor of NH₄/SS constant was, the more effective the removal rate of ammonium nitrogen, SS was, but the less effective COD_(cr), and TOC was. By using XRD analysis, the most certain compound in precipitate of synthetic wastewater was struvite.

제대군인 취업지원 프로그램 구안

정철영,서우석,김성호,이예성,최동선,이종범,이성식,이건남,양안나,김성남 한국직업능력개발원 2007 직업능력개발연구 Vol.10 No.1

이 연구의 목적은 중·장기복무를 마치고 제대하여 재취업하고자 하는 제대군인들의 원활한 전직을 돕기 위한 제대군인 취업지원 프로그램의 개발방향과 개발안을 제시하는 데 있다. 이를 위해 국내·외에서 이루어지고 있는 제대군인 취업지원 프로그램의 실태를 분석하였고, 제대군인 취업지원 프로그램에 대한제대예정군인 및 제대군인과 기업체의 요구를 분석하여 시사점을 도출하였다. 그리고 이를 기초로 제대군인 취업지원 프로그램의 기본방향과 전체 흐름도, 세부 프로그램 개발안을 제시하였다. 이를 위해서 활용된 연구의 방법은 문헌연구, 조사연구, 전문가협의회 등이다. 이 연구를 통해서 제시된 제대군인 취업지원 프로그램의 개발방향과 개발안을 토대로, 일관되고 지속적인 수요자 중심의 제대군인 취업지원 프로그램의 개발이 가능할 것이다. The purpose of this study is to suggest plans and directions for developing. job-seeking support program for military veterans. The study is conducted through literature review, survey and interview. The results of this study are as follows: ⒧ basic development directions and flowchart of job-seeking support program for military veterans are suggested; and ⑵ development plans for sub-programs are suggested.

後期中世國語의 類義構造

南星祐 한국외국어대학교 외국어 종합연구센터 언어연구소 1976 언어와 언어학 Vol.4 No.-

The purpose of this paper is to identify the synonymic structure, especially synonymic stratification, of Middle Korean. The synonymic resorces of a language tend to form certain characteristic and fairly consistent patterns. In Middle Korean, synonyms are organized according to two main patterns: (1) synonymy between proper words, and (2) synonymy between proper words and Sino-Korean words.

비산회재로부터 합성된 제올라이트를 이용한 Polypropylene 촉매열분해에 관한 연구

남윤미,이진홍,김성수,정수현 한국공업화학회 2003 응용화학 Vol.7 No.1

Zeolites were synthesized from fly ash and used as catalysts for pyrolysis of polypropylene(PP) Zeolite synthesis was carried out by fusion methods employing three different NaOH/Fly ash rations in weight The catalytic performance of the fly ash-derived zeolite pyrolysis products. The properties of the fly ash-derived zeolites were characterized by XRD, SEM, BET, NH_3-TPD. It was found that the optimum NaOH/fly ash weight ratio was 1.2 in terms of the simulated boiling point distribution. The catalytic perfomance of the fly ash-derived zeolite was significantly improved by ion exchanging of zeolite from Na from(FAZ) to H from(HFAZ) The boiling point distributions of liquid pyrolysis products obtained over HFAZ were significantly lower than that obtained zeolite.

卷柏의 혈액암세포주에서 抗癌作用에 대한 연구

남항우,이성원,이병주,권칠용,문연자,안성훈,우원홍 한국전통의학연구소 2002 한국전통의학지 Vol.12 No.1

The Sellaginella Tarmariscina is widely used in the traditional oriental herbal medicine for its anti-inflammatory, antioxidant effects. The effects of aqueous extracts of Sellaginella Tarmariscina on the viability and induction of apoptotic cell death were investigated in HL-60 cells. The cell viability after treating with extract of Sellaginella Tarmariscina was quantified by MTT assay. The results showed that could inhibit the proliferation of HL-60 cells and caused a 40% inhibition of HL-60 cells at concentrations of 400 ㎍/ml. The cancericidic effect of Sellaginella Tarmariscina was mediated by apoptosis. Thus, HL-60 cells exposed to Sellaginella Tarmariscina displayed the DNA fragmentation ladder and nucleus chromatin condensation characteristic for apoptosis. In conclusion, our results suggest that the extract of Sellaginella Tarmariscina may induce the apoptotic death in HL-60 cells.

1510年代 國語의 同義語 硏究

南星祐 한국외국어대학교 외국어 종합연구센터 언어연구소 1996 언어와 언어학 Vol.21 No.-