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      • 박물관내 실내공기오염물질의 분포 특성 실태조사

        김윤신,노영만,윤영훈,이철민,김기연,김종철,전형진,심인숙,Kim, Yoon-shin,Roh, Young-man,Yoon, Young-hun,Lee, Cheol-min,Kim, Ki-yeon,Kim, Jong-cheol,Jeon, Hyoung-jin,Sim, In-suk 국립문화재연구소 2007 保存科學硏究 Vol.28 No.-

        The goal of this study was to provide basic data for arrangement of management in museum environment. We investigated characteristics of distribution on indoor air pollutants at exhibition halls and storages in museums between July and August, 2007. The monitoring carried out at three cultural sites, Pusan, Daejeon and Kyungjoo which is possessed their own exhibition hall and storage in Museums. We adopt the several pollutants for this survey such as $PM_{10}$, $PM_{2.5}$ $CO_2$, Formaldehyde, TBC, CO, $NO_2$, Rn, VOCs, $O_3$ and followed the standard method of Ministry of Environment, Korea for sampling and analysis, respectively. The results of this survey revealed that average concentration of $PM_{10}$ and $PM_{2.5}$ in storages were $117.3{\mu}g/m^3$ and $92.6{\mu}g/m^3$, respectively. The average concentration in storages of gases pollutants and microorganism such as $CO_2$, Formaldehyde, $NO_2$, Rn, TVOC, $O_3$, and TBC showed as: 788.8ppm, $30.7{\mu}g/m^3$, 0.4ppm, 6.4ppb, $1.3pCi/{\ell}$, $1,374.9{\mu}g/m^3$, 2.4ppb, and $119.4cfu/m^3$, respectively. In addition, average concentration of $PM_{10}$ and $PM_{2.5}$ in exhibition halls were $49.5{\mu}g/m^3$ and $56.1{\mu}g/m^3$, respectively. The average concentration in exhibition halls of gases pollutants and microorganism such as $CO_2$, Formaldehyde, $NO_2$, Rn, TVOC, $O_3$, and TBC showed as: 475.2ppm, $94.1{\mu}g/m^3$, 0.3ppm, 12.4ppb, $0.3pCi/{\ell}$, $1,179.1{\mu}g/m^3$, 5.2ppb, 2.4ppb, and $24.8cfu/m^3$, respectively.

      • KCI등재

        플라즈마 이온 방식의 공기정화기를 이용한 돈사내 공기오염물질 저감 효과

        김윤신,김기연,조만수,고문석,고한종,정진원,오미석,윤백,김중호,Kim, Yoon-Shin,Kim, Ki-Youn,Cho, Man-Su,Ko, Moon-Suk,Ko, Han-Jong,Jung, Jin-Won,Oh, Mi-Seok,Youn, Baek,Kim, Jung-Ho 한국환경보건학회 2010 한국환경보건학회지 Vol.36 No.4

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        This field study was performed to evaluate the efficiency of a plasma ion-operated air cleaner in temporal reduction of airborne pollutants emitted from a pig housing facility. In the case of gaseous pollutants, the plasma ion air cleaner was not effective in reducing levels of ammonia, hydrogen sulfide, nitrogen dioxide, or sulfur dioxide (p>0.05). In the case of particulate pollutants, however, the air cleaner was effective in reducing levels of particulate matter ($PM_{2.5}$ and $PM_1$) by 79(${\pm}6.1$) and 78(${\pm}3.0$)%, respectively. Unlike the case of these fine particle fractions, the reduction of total suspended particles (TSP) and $PM_{10}$ following treatment was almost negligible. In the case of biological pollutants, the mean reduction efficiencies for airborne bacteria and fungi were relatively low at 22(${\pm}6.6$) and 25(${\pm}8.7$)%, respectively. Taken together, these results indicate that in terms of air pollutants released from this pig housing facility, the plasma ion air cleaner was primarily effective in reducing levels of $PM_{2.5}$ and $PM_1$.

      • KCI등재

        다양한 실내환경 중 휘발성유기화합물 오염의 패턴 분류

        김윤신,노영만,이철민,김기연,김종철,전형진,Kim, Yoon-Shin,Roh, Young-Man,Lee, Cheol-Min,Kim, Ki-Youn,Kim, Jong-Cheol,Jun, Hyung-Jin 한국환경보건학회 2007 한국환경보건학회지 Vol.33 No.1

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        The purpose of this study was to survey the distribution patterns of volatile organic compounds(VOCs) and formaldehyde in the various indoor environments using cluster analysis. We investigated VOCs and formaldehyde in subway stations, underground shopping areas, medical centers, maternity recuperation centers, public childcare centers, large stores, funeral houses, and indoor parking lots from June,2005 to May,2006. Concentration of TVOCs in maternity recuperations was 2,605.7 ${\mu}g/m^3$ that was higher than the guideline and other facilities. TVOCs in public childcare centers was 1,951.6 ${\mu}g/m^3$ also it exceeded the guideline. Moreover, concentration of TVOCs in every facility exceeded the guideline of Department of Environment, Korea. In case of formaldehyde, mean concentration, 336.5 ${\mu}g/m^3$, in only public childcare centers exceeded the 120 ${\mu}g/m^3$ of the guideline. Finally, by applying cluster analysis, three pattterns of the indoor air pollutions were distinguished. In the results of analysis, concentrations of TVOCs and formaldehyde of cluster 3 were higher than cluster 1 and 2 that were 2,561.4 ${\mu}g/m^3$ and 184.9 ${\mu}g/m^3$, respectively.

      • KCI등재

        ‘-게 되다’ 구성의 통사와 의미에 대한 연구

        김윤신 ( Kim Yoon-shin ) 한국어교육학회(구 한국국어교육연구학회) 2018 국어교육 Vol.0 No.162

        This paper aims to explain the syntactic and semantic properties of “-ge doeda” construction and to suggest its syntactic and event structure are based on the Generative Lexicon Theory proposed by Pustejovsky(1995). Like other auxiliary predicate construction, “-ge doeda” construction also conveys the ambivalence of its syntax. The auxiliary predicate “doeda” can be a predicate of the whole sentence and forms one constituent with “-ge” clause, although it can create different constituents from “-ge” clause with the same VP. Thus, the “-ge doeda” construction takes “-ge” clause as an event argument. This is evidence for Kim’s(2004, 2007) suggestion that the auxiliary predicate construction is an event function. In Korean linguistics and in Korean language education, many previous studies have explained that the “-ge doeda” construction is passive because of its affectedness and the lack of intentionality of its subject. However, passive expressions and causative expressions with similar morphemes and the passive voice are different from the change-of-state verb. According to this evidence, “-ge doeda” construction expresses change-of-state and is an unaccusative predicate construction. The change-of-state of “-ge doeda” construction can be classified as a binary-oppositional change-of-state and the polar-oppositional change-of-state can be classified by the property of the “-ge” clause that is an event argument. This is critical evidence for the principle of compositionality.

      • KCI등재

        동북아 오염물질 장거리이동 분석을 위한 서울시 대기 중 라돈농도의 시계열적 특성에 관한 연구

        김윤신,이철민,김기연,전형진,김종철,Kim, Yoon-Shin,Lee, Cheol-Min,Kim, Ki-Youn,Jeon, Hyung-Jin,Kim, Jong-Cheol,Iida, Takao 한국환경보건학회 2007 한국환경보건학회지 Vol.33 No.4

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        Atmospheric concentrations of radon had been continuously observed in Seoul, Korea since December 1999, as a tracer for long-range transport of air pollutants from China continent to Korea. In order to study radon as a tracer of long-range transport, it is important to know information about the atmospheric distribution and variation of radon concentration and its time variation. Atmospheric radon concentration are measured with electrostatic radon monitor(ERM) at Hanyang University located in Eastern area of Seoul. Air sample is taken into a vessel of ERM, and alpha particles emitted by radon daughters $Po^{218}$ are detected with ZnS(Ag) scintillation counter. Hourly mean concentrations and hourly alpha counts are recorded automatically. The major results obtained from time series observation of atmospheric radon were as follows : (1) The mean of airborne radon concentration in Seoul was found to be $7.62{\pm}4.11\;Bq/m^3$ during December $1999{\sim}January$ 2002. (2) The hourly variation of radon concentrations showed the highest in 8:00AM ($8.66{\pm}4.22\;Bq/m^3$) and the lowest in 3:00AM ($6.62{\pm}3.70\;Bq/m^3$) and 5:00AM ($6.62{\pm}3.39\;Bq/m^3$). (3) the seasonal variation of radon concentrations showed higher during winter-to-fall and lower during summer-to-spring. (4) Correlation between airborne radon concentration and the meteorological factors were -0.21 for temperature, 0.09 for humidity, -0.20 for wind speed, and 0.04 for pressure. (5) The mean difference of airborne radon concentration between Asian dust ($5.36{\pm}1.28\;Bq/m^3$) and non-Asian dust ($4.95{\pm}1.49\;Bq/m^3$) phenomenon was significant (p=0.08). We could identify time series distribution of radon concentration related meteorological factors. In addition, radon can be considered a good natural tracer of vertical dispersion and long-range transport.

      • KCI등재후보

        다중이용시설에서의 실내공기중 미생물 분포에 관한 연구

        김윤신,이은규,엽무종,김기영,Kim Yoon Shin,Lee Eun Gyu,Yup Moo Jong,Kim Key Young 한국환경보건학회 2002 한국환경보건학회지 Vol.28 No.1

        A measurement of indoor microorganism using Reuter Centrifugal Air Sampler(RCS) was undertaken during October 1991 - February 1999 and 6-Stage Cascade Air Sampler was undertaken during May 2001 - June 2001 in Seoul. Sites including book store, department store, theater, subway station, underground shopping center, hospital, office building, sports facility, and eduationa institutio were chosen to measure indoor microorganism. The results were as follows: 1. The average of total microorganism collected on the agar strip GK-A media were, in the order, subway station, hospital, underground shopping center, department store, book store, theater, sports facility, educational institution, office building in sites. The highest concentration of 711cfu/m$^3$ was found in the subway station and the lowest concentration of 44cfu/m$^3$ was found in office building. 2. The average of staphylococci collected on the agar strip GK-S media, in the order, were subway station, underground shopping center, hospital and department store, department store, theater, office building, sports facility and educational institution in sites. The highest concentration of 502cfu/m$^3$ was found in the subway station and the lowest concentration of 14cfu/m$^3$ was found in sports facility and educational institution. 3. The average of fungus collected on the agar strip GK-HS media, in the order, were underground hospital, shopping center, theater, subway station, department store, book store, sports facility, educational institution, and office building in sites. The highest concentration of 252cfu/m$^3$ was found in the hospital and the lowest concentration of 32cfu/m$^3$ was found in office building. 4. Ratio of Indoor/Outdoor, determined by site was 1.12-2.38 in total count, 1.00-2.35 in staphylococci, and 0.99-1.34 in fungus. 5. The positive results of test were 12-24% in indoor and 9-43% in outdoor. 6. By gram staining gram positive cocci were 59.9%, gram positive bacill 24.4%, gram negative bacilli 10.4%, and gram negative cocci 0.5%.

      • SCOPUSKCI등재

        직업성 전자장 노출과 백혈병 발생에 관한 메타분석

        김윤신,송혜향,홍승철,조용성,Kim, Yoon-Shin,Song, Hae-Hiang,Hong, Seung-Cheol,Cho, Yong-Sung 대한예방의학회 2000 Journal of Preventive Medicine and Public Health Vol.33 No.1

        Objectives : This study uses meta-analysis methodology to examine the statistical consistency and importance of random variation among results of epidemiologic studies of occupational electromagnetic field exposure and leukemia. Methods : Studies for this meta-analysis were identified from previous reviews and by asking researcher active in this field for recommendations. Overall, 27 studies of occupational electromagnetic field exposures and leukemia were reviewed. A variety of meta-analysis statistical methods have been used to assess combined effects, to identify heterogeneity, and to provide a single summary risk estimate based on a set of simiar epidemiologic studies. In this study, classification of exposure metircs on occupational epidemiologic studies are reported for (1) job classification (20 individual studies); (2) leukemia subtypes (13 individual studies); and (3) country (27 individual studies). Results : Results of this study, an inverse-variance weighted pooling of all the data leads to a small but significant elevation in risk of f 1% (OR=1.11, 95% CI : $1.06\sim1.16$) among 27 occupational epidemiologic studies. Publication bias was assessed by the 'fail-safe n' that may be not influence for all combined results exception a few categories, ie, 'power station operators' and 'electric utility workers' by job classification on occupational study. And ail combined odds ratio results were similar for fixed-effects models and random-effects models, with slightly higher risk estimates for the random-effects model in situations where there was significant heterogeneity, ie, Q-statistic significant (p<.05). Conclusions : We found a small elevation in risk of leukemia, but the ubiquitous nature of exposure to electromagnetic fields from workplace makes even a weak association a public health issue of substantial power to influence the present overall conclusion about relationship between electromagnetic fields exposure and leukemia.

      • KCI등재

        고압 송전선로 주변에 위치한 초등학교 학생들의 극저주파 자기장 노출량 예측 모델에 관한 연구

        김윤신,현연주,최성호,노영만,홍승철,Kim, Yoon-Shin,Hyun, Youn-Joo,Choi, Seong-Ho,Roh, Young-Man,Hong, Seung-Cheol 한국환경보건학회 2006 한국환경보건학회지 Vol.32 No.5

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 9시까지 원문보기가 가능합니다.

        The objectives of this study were to evaluate personal exposure estimated using a time activity pattern and microenvironmental model. The study was carried out for 44 children attending a primary school nearby the lines (school A) and 125 children attending a school away from 154 kV power lines (school B). For children attending school A, the estimated personal level was a little weak correlated with the measured level($Pearson\;r\;=0.34{\sim}0.35$). For children attending school B, the correlation was very low ($Pearson\;r\;=\;0.09{\sim}0.16$) using the TW A Model II, otherwise, TWA Model II-I which considered the average residential MF level according to the distance from the power line and home explained $39{\sim}53%$ of the correlation in MF personal exposures. The estimated personal exposure level was very well represented by the measured exposure level using TWA Model II-2 which consisted on spot and 24 h stationary measurements at subject's home ($Pearson\;r\;=\;0.65{\sim}0.85$). In conclusion, personal magnetic field expsoure estimated using a TWA Model II-2 should be provided for a reasonable estimate of measured exposure in schoolchildren living near the power line.

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