充塡蒸溜塔의 物質傳達係數에 關한 硏究

愼鏞稷,朱東豹 亞洲大學校 1983 論文集 Vol.6 No.-

The effect of the distance between two adjacent mixing points on overall mass transfer coefficient was studied for distillation experiments of binary system, acetone-methanol in a 26.5 mm I.D. laboratory column designed to simulate the flow characteristics of an industrial packed distillation column. Five different types of packing elements were used and a quantitative empirical correlation was proposed between overall mass transfer coefficient and the characteristic packing length. The analysis of the present experimental result and of the previous work showed that the general correlation between KG and characteristic packing length would be a hyperbolic function and that if the liquid film is not rippling, as was the present case, the variation of overall mass transfer coefficient could be represented by a linear function of the number of mixing points.

전라북도 남원시 열대의 산림조류상

이두표,신용운 호남대학교산업기술연구소 2009 산업기술연구논문집 Vol.15 No.-

본 연구는 전라북도 남원시 일대의 산림조류상을 파악하기 위하여 2008년 3월부터 10월까지 조류센서스를 실시하고, 그 결과를 분석 평가한 것이다. 총 75종 이 기록되었으며, 그 중 텃새가 29종, 여름철새가 23종, 겨울철새가 17종, 나그네새가 6종으로 나타났다. 이 지역의 우점종은 붉은머리오목눈이, 참새, 되새, 멧비둘기, 노랑턱멧새, 물까치 등으로 나타났다. 법정보호종은 환경부지정 멸종위기 Ⅱ급 인 참매, 말똥가리, 새흘리기, 흰목물떼새로 4종, 문화재청 지정 천연기념물은 원앙, 붉은배새매, 새매, 참매, 황조롱이, 솔부영이로 6종, 총9종이 관찰되었다. Bird censuses were conducted to elucidate the present forest avifauna of Namwon city from March to October, 2006. A total of 75 bird species was recorded. They consisted of 29 species of residents, 23 species of summer visitors,17 species of winter visitors, and 6 species of passage migrants. Dominant species were Paradoxornis webbianus, Passer montaus, Fringilla montifringilla, Streptopelia orientalis, Embenza elegans, Cyanopica cyana. The legal protected birds listed by Ministry of Environment were 4 species: Accipiter gentilis, Buteo buteo Falco subbuteo, Charadrius placidus, and listed by Cultural Heritage Administration were 6 species: Aix galericulata. Accioiter soloensis. A. nisus. A. gentilis. Falco tinnunculus. Ninox scutulata

광주광역시 어등산의 산림조류상

이두표,신용운 호남대학교산업기술연구소 2008 산업기술연구논문집 Vol.14 No.-

본 연구는 광주광역시에 위치한 어등산 일대의 산림조류상을 파악하기 위하여 2006년 2월부터 11윌 까지 조류센서스를 실시하고, 그 결과를 분석 평가한 것이다. 총 68종 이 기록되었으며, 그 중 여름철새가 27종, 텃새가 26종, 겨울철새가 11종, 나그네새가 4종으로 나타났다. 이 지역의 우점종은 붉은머리오목눈이, 노랑턱멧새, 박새, 불까치, 쑥새, 직박구리, 참새 등으로 나타났다. 법정보호종은 환경부지정 멸종위기 H 급 인 참매 말똥가리 흰목물떼새로 3종 문화재청 지정 천연기념물은 붉은배새매, 새매, 참매, 황조롱이, 소쩍새, 솔부영이로 6종, 총8종이 관찰되었다. Bird censuses were conduct to elucidate the present forest avifauna of Mt. Eodeung from February to November, 2006. A total of 68 bird species was recorded. They were consisted of 27 species of summer visitors, 26 species of residents, 11 species of winter visitors, and 4species of passage migrants. Dominant species were Paradoxomis webb띠nus, Emberiza elegans, Parus major, Cyanopica cyana, Emberiza rustica, Hypsipetes amaurotis, Passer montanus. The legal protected birds listed by Ministry of Environment were 3 species: Accipiter gentilis, Buteo buteo, Charadrius placidus , and listed by Cultural Heritage Administration were 6 species: Accipiter soloensis, A. nisus , A. gentilis, Falco tinnunculus, Otus scops, Ninox scutulata.

膣膀胱屢의 治驗例

朴信根,李仁哲,李愚溶,李順杓 대한적십자사 1976 적십자병원지 Vol.3 No.2

대구지역 중소기업의 국제경쟁력 결정요인에 관한 연구

최용호,신진교,김승호,김상표 한국중소기업학회 2002 中小企業硏究 Vol.24 No.4

본 연구에서는 대구지역 중소기업의 국제경쟁력의 수준과 결정요인을 탐색하고 있다. 대구지역에 소재한 408개 중소기업을 대상으로 자료를 수집 분석한 결과 대구지역 중소기업의 국제경쟁력 수준은 그리 높지 않은 것으로 나타났다. 나아가 중소기업의 국제경쟁력 결정요인에 환한 연구모형의 타당성을 검증한 결과 모형은 타당한 것으로 나타났으며, 특히 경영전략 특성 및 조직구조 특성이 지역 중소기업의 국제경쟁력에 유의한 영향을 미치는 것으로 나타났다. 본 연구가 발견한 특징적인 현상은 지역 중소기업이 국제경쟁력을 달성하기 위해서는 경쟁전략에 있어서는 비용절감추구전략과 제품차별화추구전략을 동시에 높일 때, 그리고 조직구조에 있어서는 분권화와 공식화를 동시에 높일 때 국제경쟁력이 높아진다는 사실이다. 이는 소위 모순경영에 관한 이론적 함의를 제공하는 것으로 본 수 있다. 마지막으로 본 연구결과에 대한 해석과 토론, 이론적 및 실무적인 시사점과 한계점, 그리고 향후의 연구를 위한 연구명제가 제시되고 있다. This study investigated the level and determinants of international competitiveness of small and medium sized firms located in Daegu. The research model consisted of characteristics of management process including management strategy, organizational structure, management system, and top management. And international competitiveness was used as a performance variable. The data were collected from 408 small and medium sired firms located in Daegu. Empirical results indicated that the level of international competitiveness was not high, and management strategy and organizational structure influenced on international competitiveness significantly. Specifically, this study shown that to improve international competitiveness, small and medium sized firms have to persue both cost reduction and product differentiation, and also enhance decentralization and formalization simultaneously. In doing so, they appear to be faced with a paradox management. The implications of these findings, limitations, and future research directions were discussed.

국립정신보건연구원 설립과 운영에 대한 의견조사 정신보건전문가들을 중심으로

황성동,신준섭,이용표 건국대학교 사회정책연구소 2001 사회과학연구 Vol.14 No.1

인장력을 받는 ㄷ형강 고력볼트 접합부의 감소계수 U값에 관한 연구

김진숙,표영석,나승욱,신영록,김보영,최문식 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2(구조계)

The purpose of this paper is to examine the influence of reduction coefficient according to the limit state design of steel structures in the bolted joints of tension members. It was carried out the tensile testing about high strength bolted connections performed in structural steel channels. Considered parameters are the number and row of bolts, the connection length, connection eccentricity of the specimen. The test results showed that failures generally came (a) classic net section, (b) block shear failures. We found that the professional factor, obtained by calculating the test failure load divided by the nominal specification strength, is lower than 1.00. We thought that the reason was the moment produced by eccentric loading depends upon the connection geometry as well as the rotational stiffness of the connection.

한국 정신장애의 역학 조사 연구[I] : 각 정신장애의 유병률

조맹제,함봉진,김장규,박강규,정은기,서동우,김선욱,조성진,이준영,홍진표,최용성,박종익,이동우,이기철,배재남,신정호,정인원,박종한,배안,이충경 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.4

Objectives : This study aims to estimate the prevalence of the DSM-IV psychiatric disorders in Korean population using the Korean version of Composite International Diagnostic Interview (K-CIDI). Methods : Subjects were selected by taking multi-stage, cluster samples of 7,867 adult household residents, 18 to 64 years of age, in ten catchment areas. Total 78 trained interviewers administered the K-CIDI to the selected respondents, from June 1 to November30,2001. Results : Total 6,275 respondents completed the interview. Some 33.5% of respondents reported at least one lifetime disorder, 20.6% reported at least one-year disorder, and 16.7% reported at least one-month disorder. The most common lifetime disorders were alcohol abuse/dependence (17.24%), nicotine dependence/withdrawal (11.19%), specific phobia (5.16%), and major de-pressive disorder (4.25%). The lifetime prevalence of substance abuse/dependence (0.25%) and schizophrenia (0.16%) was very low. Nicotine and alcohol use disorder showed very high male/female ratio. Mood disorder and anxiety disorder were more prevalent among female than male. Conclusion : The prevalence of psychiatric disorders was high. In comparison with other studies, remarkable differences in distributions of psychiatric disorders across the areas and times were observed.

Antimicrobial Activity of a Halocidin-Derived Peptide Resistant to Attacks by Proteases

Shin, Yong Pyo,Park, Ho Jin,Shin, Seo Hwa,Lee, Young Shin,Park, Seungmi,Jo, Sungho,Lee, Yong Ho,Lee, In Hee American Society for Microbiology 2010 Antimicrobial Agents and Chemotherapy Vol.54 No.7

<B>ABSTRACT</B><P>Cationic antimicrobial peptides (AMPs) have attracted a great deal of interest as a promising candidate for a novel class of antibiotics that might effectively treat recalcitrant infections caused by a variety of microbes that are resistant to currently available drugs. However, the AMPs are inherently limited in that they are inevitably susceptible to attacks by proteases generated by human and pathogenic microbes; this vulnerability severely hinders their pharmaceutical use in human therapeutic protocols. In this study, we report that a halocidin-derived AMP, designated HG1, was found to be resistant to proteolytic degradation. As a result of its unique structural features, HG1 proved capable of preserving its antimicrobial activity after incubation with trypsin, chymotrypsin, and human matrix metalloprotease 7 (MMP-7). Additionally, HG1 was observed to exhibit profound antimicrobial activity in the presence of fluid from human skin wounds or proteins extracted from the culture supernatants of <I>Staphylococcus aureus</I> and <I>Pseudomonas aeruginosa</I>. Greater understanding of the structural motifs of HG1 required for its protease resistance might provide feasible ways to solve the problems intrinsic to the development of an AMP-based antibiotic.</P>

ON PSEUDO-UMBILICAL SURFACES IMMERSED IN A EUCLIDEAN m-SPACE E^m

SHIN, YONG-TAE,PYO, YONG-SOO Korean Mathematical Society 1988 대한수학회논문집 Vol.3 No.1