기업의 광고효과 인식 변화_소비자가 곧 매체인 시대 노출보다 팬을 만들어라

이철민 한국언론진흥재단 2013 신문과 방송 Vol.- No.510

산불 후 개미군집의 단기변화

이철민,권태성,Lee, Cheol Min,Kwon, Tae-Sung 한국응용곤충학회 2013 한국응용곤충학회지 Vol.52 No.3

산불은 산림에 서식하는 곤충들을 죽이거나 분산시킴으로서 그들의 군집을 교란한다. 산불 후 개미군집은 종다양성, 종구성, 기능군 구성이 달라질 것이다. 본 연구는 1996년 강원도 고성에서 발생한 대형 산불 직후 일년동안 산불지와 비산불지의 개미군집의 변화를 비교하기 위해서 수행되었다. 총 16종 1,308개체의 개미가 채집되었고, 산불지에서 15종 696개체, 비산불지에서 13종 612개체가 채집되었다. 산불 후 다양도와 풍부도가 감소될 것이란 일반적인 예상과는 달리 산불지와 비산불지는 개미군집의 풍부도, 종다양성, 종구성, 기능군 구성에서 차이가 없었고, 종풍부도(추정치)는 산불지가 비산불지 보다 오히려 높았다. 그러나 개미의 월별 출현양상은 (풍부종과 전체) 산불지와 비산불지 간에 많이 달랐다. 산불직후인 1996년 5월에는 산불지에서 개미가 더 많았으나, 가을(1996년 9월과 10월)에는 비산불지에서 개미가 더 많았다. 이는 산불지의 환경변화(토양건조 등)로 인해 개미개체군의 변동(개체군의 사멸 또는 이동)이 원인일 것이다. 결론적으로 봄에 발생하는 산불은 토양 깊이 월동하는 개미 군체를 파괴하지 못하기 때문에 산불은 개미상에 유의한 영향을 미치지 못했다. Forest fires disturb communities of forest-dwelling insects by killing or dispersal. Species diversity, species composition, and functional guilds of ant communities will be changed following forest fires. A survey of ants was conducted to find changes in ant communities after a large fire occurred in Goseong within Gwangwon province in South Korea in 1996. In total, 1,308 ants representing 16 species were collected; 696 ants representing 15 species were collected at the burned site, and 612 ants representing 13 species were collected at the unburned site. Contrary to the general expectation which predicts a decrease of diversity and abundance after fire, abundance, species diversity, species composition, and functional guilds of ant communities did not differ between the burned site and the unburned site. Furthermore, estimated species richness was significantly higher at the burned site than at the unburned site. However, monthly occurrences of ants (abundant species and pooled) were different between the burned site and the unburned site. Ants were more abundant at the burned sites than the unburned site just after the fire (May 1996). However, they were more abundant at the unburned site than the burned site in autumn (September and October 1996). This phenomenon might be caused by environmental change (e.g., decrease of soil moisture). In conclusion, the fire did not significantly change ant fauna, as fire in spring cannot destroy ant colonies that are wintering in deep soils.

군 국가기술자격 운영개선을 통한 일자리창출 및 군 문화 개선방안 제언

이철민,박동준,박재현,강경식 대한안전경영과학회 2017 대한안전경영과학회 학술대회논문집 Vol.2017 No.04

In the current administration, the government's main policies for youth employment and job creation are recognized by the Ministry of National Defense as a special environmental group. In particular, we believe that the self-help efforts of the advanced armed forces of the military, which are being pursued by the military, will fully demonstrate synergies with the current government policies. For this purpose, this study focuses on the people who are the targets of the youth employment, and suggests ways for them to have better jobs and values after the whole world. In accordance with the policy trends of job creation and job creation, we plan to propose a plan to link the national technical qualifications of the Korea Human Resources Development Service with the various projects currently underway for an average of 250,000 human resources development methods of 250,000 soldiers each year. This study suggests the link between IP (criticality performance) analysis and the Boston Consulting Group 's matrix (BCG Matrix) on the relevance of military human resource operations and qualifications. The results will be presented in conjunction with the military-oriented development projects of advanced countries currently under military control.

다중이용시설 내 부유세균 농도기준에 관한 소고

이철민,Lee, Cheol-Min 한국공기청정협회 2019 空氣淸淨技術 Vol.32 No.2

대산 임해산업지역 용수 공급을 위한 원수 혼합 역삼투 공정 설계

이철민,Nguyen Thanh-Tin,김인수 한국막학회 2021 한국막학회 총회 및 학술발표회 Vol.2021 No.04

다중 사용자 게임 성능 향상을 위한 데이터 가상 그룹핑 방법

이철민,박홍성 한국정보과학회 2003 정보과학회논문지 : 소프트웨어 및 응용 Vol.30 No.3

본 논문은 다중 사용사 네트워크 게임에서 응답 시간과 응답 데이타 손실을 줄일 수 있는 가상 그룹핑 방법을 제안한다. 제안하는 방법은 게임상의 모든 맵을 일정 크기의 영역으로 분할하고, 이들 각각의 영역을 그룹으로 묶은 후 각각의 그룹을 가상의 그룹으로 분할하고 각각의 가상 그룹에 데이타를 전송하는 방법이다. 또한 된 논문에서는 주어진 비용 함수를 최소화하는 최적 그룹수를 유도하였고, 제안된 방법이 기존의 그룹핑 방법과 비교하여 유용함을 보였다. This paper presents a virtual grouping method used in multi-user network games, which reduces a response time and losses of response data. The proposed method divides each group into virtual groups and transmits data in them after dividing an overall map on a game into several fixed regions and grouping them. And this paper derives the optimal number of groups minimizing a given cost function. The proposed method if shown to be useful by comparing with a general grouping method.

금연과 신종담배 - 전자담배, 궐련형 전자담배

이철민 한국보건행정학회 2018 한국보건행정학회 학술대회 논문집 Vol.2018 No.2

실내라돈 측정 저감 분야 전문가 양성을 위한 교육 프로그램 및 인증체계 구축을 위한 소고

이철민 한국냄새환경학회 2017 실내환경 및 냄새 학회지 Vol.16 No.3

Despite increasing public concern following mass media coverage regarding the risk of radon to human health and the need to control it, there remains a lack of infrastructure for measuring and mitigating radon. Against this backdrop, this paper is part of an effort to formulate an environment-management framework that can help resolve environmental issues relating to radon, ease fears regarding the associated risks, and provide radon-specific quality services. This study aimed to suggest locally applicable measures for training experts specializing in the fields of measuring and mitigating radon mainly based on US cases in which radon measurement and mitigation certification programs have been systematically run and supervised. Given the lack of both awareness on radon and experts in Korean circumstances, it is necessary to come up with a scheme to develop a radon-specific education program and a framework for expert accreditation. Thus, as groundwork for their introduction considering local circumstances, top-down measures led by the relevant department of government-led organizations, which will act as the control tower, should first be implemented to best utilize the insufficient human resources in this area. In addition, more systematic and detailed educational programs and an expert certification system need to be developed in accordance with the established foundations, and to support their consistent operation, a relevant administrative system should be constructed.

서울시 지하철역사의 라돈농도분포 조사

이철민,김윤신,김종철,전형진,Lee Cheol-Min,Kim Yoon-Shin,Kim Jong-Cheol,Jeon Hyung-Jin 한국환경보건학회 2004 한국환경보건학회지 Vol.30 No.5

The radon concentrations were measured to survey distribution of radon concentrations in Seoul subway stations. The radon concentrations in air and water were measured at seventeen subway stations(Mapo, Chungjongno, Sodaemun, Kwanghwamun, Chongno3ga, Ulchiro4ga, Tangdaemun, Sangildong on Line 5;Nowon, Chunggye, Hagye, Kongnung, Taenung, Mokkol, Chunghwa, Sangbong, Myomok on Line 7) using the $RAdtrak^{TM}$ radon gas detector, Pylon AB-5 continuous passive radon detector and liquid scintillation counting method from January to May 1999. The major results obtained from this study were as follows: The long-term mean concentrations of radon were $61.8\;Bq/m^3$ in office, $78.9\;Bq/m^3$ in platform, $38.2\;Bq/m^3$ in concourse and $20.1\;Bq/m^3$ in outdoor, respectively. These levels were less than the action level ($148\;Bq/m^3$) of the U.S. EPA. The highest level of short-term mean concentrations was $116.55\;Bq/m^3$ at Chongno3ga station on the 5th line subway stations, while the lowest mean concentration was $19.55\;Bq/m^3$ at Mokkol station on the 7th line subway stations. The highest concentration of radon in the road water and storing underground water in the subway stations was $234.7\;KBq/m^3\;and\;155.5\;KBq/m^3$ in Sodaemun subway station, respectively. The results suggest that radon concentration in subway stations seems to be affected by ventilation and radon concentratin in underground water in the subway stations.

손해사정업무의 구조적 변경

이철민,Lee, Cheol-Min 한국화재보험협회 1978 防災와 保險 Vol.9 No.-