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      • KCI등재

        개인 노출량 조사를 통한 한국인의 극저주파 자기장 노출 수준

        정준식,김근영,홍승철,조용성,김윤신,Jung, Joon-Sig,Kim, Keun-Young,Hong, Seung-Cheol,Cho, Yong-Sung,Kim, Yoon-Shin 한국환경보건학회 2012 한국환경보건학회지 Vol.38 No.1

        Objectives: The purpose of this study was to estimate the exposure level to extremely low frequency-magnetic fields (ELF-MF) among a selected Korean population using 24-hour personal exposure measurement. Methods: Participants were randomly selected for the measurement of MF exposure under the assumption that the subjects are representative of the overall Korean population. Levels of personal exposure to MF were measured according to the subject's daily activities. Results: The 24-hour time-weighted average (TWA) of 250 participants was $1.56{\pm}4.56$ mG (GM, GSD: 0.79, 2.46 mG). Personal exposure levels for females were higher than for males. The highest personal exposure level was shown in the age group between 20-60 years old. Personal exposure levels according to job category were higher for the non-occupational group than for the occupational group. Conclusions: Our results showed MF exposure exceeding 2 mG per day among 11.3% of the Korean population, indicating a somewhat higher percentage compared to the EMF RAPID Program's results for the U.S population.

      • KCI등재후보

        서울시 일부 지하철 전동차 객실 시트의 먼지 진드기 알레르겐 농도와 세균 내독소 농도 조사

        정준식,박덕신,김성미,이우석,김윤신,송혜숙 한국냄새환경학회 2014 실내환경 및 냄새 학회지 Vol.13 No.2

        This study was conducted to analyze dust mite allergen and bacterial endotoxin concentrations in the subwaycabins. For this aim, we sampled dust using a vacuum cleaner on cabin seats of subway trains operating in threeSeoul Metro Lines from April to May in 2011. The concentration of dust mite allergen and endotoxin were1,137.51 ± 806.26 ng/g and 5,742.1 (4.68) EU/g, respectively. While, the concentration of dust mite allergen washigher on cabin seats of subway trains in Line B (1,487.61 ± 930.59 ng/g) than on those of trains in Lines A andC (641.9 ± 398.3 and 1,344.9 ± 822.4 ng/g). All measurements did not exceed the National Workshop Guidelineof 2,000 ng/g. While, bacterial endotoxin concentration [GM (GSD)] was higher on cabin seats of subway trainsin Line A [12,373.21 (4.97 EU/g)] than on those of trains in Line B and C8,520.77 (3.98) and 1,631.43 (1.88) EU/g. Dust mite allergen concentrations were strongly influenced by the portion of underground (on the subway line)and endotoxin concentrations were significantly correlated with the number of passengers using the subway lines. Seats for seniors and the week showed relatively higher concentrations compared to seats for general passengers. But, no significant difference of dust mite allergen and endotoxin concentrations in the subway cabins was foundrelating to seat type (p = 0.451, p = 0.564). There was no correlation between the dust mite allergen levels andendotoxin levels in the subway cabins (p = 0.439).

      • KCI등재

        영남대 46장본 <계월젼>의 특징과 가치

        정준식 한국어문학회 2018 語文學 Vol.0 No.142

        This study is to explore narrative characteristics and value as a different version in Yeungnam University 46 jang-version <Gyewoljyeon>. The introduction of Yeungnam University 46 jang-version <Gyewoljyeon> presents its time and space background as ‘Gugye-chon of Cheongju in the year of Daemyeong Hongmu’, ‘the parts of Siju・Balwon’ are newly added, and the phrase stated in the original line, ‘the misfortune of dying three times’, is adopted just as it is. This is distinctly different from the intro of the Dankook University 103 jang-version line and Hanjungyeon 45 jang-version line; therefore, it is estimated as the product of intentional adaption. Yeungnam University 46 jang-version <Gyewoljyeon> changes enemy general ‘Maenggil’ to ‘Maengdal’ in War Story 2 to deliver the fact that marine enemy Maenggil is a different person from Wu•Cho’s general Maengdal. Also, by omitting the part where Gyewol competes with Boguk, it intends to recover the dignity of Boguk. Maengdal is set additionally because of the narrative doubt about marine enemy Maenggil becoming Wu•Cho’s general and omitting the part where Gyewol fights against Boguk is attributed to the judgment that the dignity of Boguk is tarnished too much. War Story 2 in Yeungnam University 46 jang-version <계ᅌᅯᆯ젼> omits Hong Sirang’s journey of evacuation. This is seen as part of getting rid of boredom coming from repeated family meeting and parting and balancing the narration with Boguk. But omitting the journey of evacuation rather raises a new problem of destroying the predicting composition. Moreover, the awkward and hasty conclusion of Yeungnam University 46 jang-version <Gyewoljyeon> is attributed to the mixture between the ‘delay’ of punishing Maenggil due to the revision of War Story 2 and the narrative blank resulted from the ‘destruction’ of the predicting composition. There are total five kinds of different versions having the same narrative as Yeungnam University 46 jang-version <Gyewoljyeon>. Compared to the two previous lines, they show distinctive differences in the introduction, War Story 2, journey of evacuation, and the ending,. So, we have the ground to set up the new line necessarily. Yeungnam University 46 jang-version <Gyewoljyeon> was transcribed earliest among the five kinds of different versions and indicates almost no faults in the contents. Therefore, it would be appropriate to take it as ‘the good basis’ of those new five different versions and name them as ‘the Yeungnam University 46 jang-version line’. With the Yeungnam University 46 jang-version line, we can clearly see that <Honggyewoljeon> was transmitted as more than three lines divided around the late 19th century. 본고는 영남대 46장본 <계월젼>의 서사적 특징과 이본적 가치를 탐색한 글이다. 영남대 46장본 <계월젼>의 도입부에는 시공적 배경이 ‘대명 홍무 연간에 청주 구계촌’으로 설정되어 있고, ‘시주・발원 대목’이 새롭게 추가되었으며, 원전 계열에 명시된 ‘세 번 죽을 액’이란 문구가 그대로 수용되어 있다. 이는 단국대 103장본 계열과 한중연 45장본 계열의 도입부와는 확연히 다른 의도적 개작의 결과로 추정된다. 영남대 46장본 <계월젼>은 군담 2에서 적장 ‘맹길’을 ‘맹달’로 바꾸어 수적(水賊) 맹길과 오·초의 장군 맹달이 별개의 인물임을 분명히 했고, 계월과 보국의 겨루기 대목을 생략하여 실추된 보국의 위신을 회복하고자 했다. 맹달을 별도로 설정한 것은 수적 맹길이 오초의 장군이 된 것에 대한 서사적 의문 때문이고, 계월과 보국의 겨루기를 생략한 것은 보국의 위신 추락이 도를 넘었다는 판단 때문이다. 영남대 46장본 <계ᅌᅯᆯ젼>의 군담 2에는 홍시랑의 피난여정이 생략되었다. 이는 가족이합의 반복에서 오는 지루함을 극복하고 보국과의 서술 균형을 맞추기 위한 방안의 일환으로 보인다. 하지만 피난여정의 생략은 오히려 예언구도의 파괴라는 새로운 문제를 야기하였다. 그리고 영남대 46장본 <계월젼>의 어색하고 촉급한 결말은 군담 2의 변개에 따른 맹길 처벌의 ‘지연’과 예언구도의 ‘파괴’에 따른 서사 공백이 어우러진 결과이다. 영남대 46장본 <계월젼>과 동일한 서사를 지닌 이본은 모두 5종이다. 이들은 기존의 두 계열에 비해 도입부, 군담 2, 피난 여정, 결말부에서 분명한 차이를 보이므로 새로운 계열을 설정해야 할 당위적 근거를 지녔다. 영남대 46장본 <계월젼>은 5종의 이본 중에서 가장 이른 시기에 필사되었고 내용상의 결함도 거의 없는 것으로 확인된다. 따라서 이를 새로운 이본 5종의 ‘선본’으로 삼고, 이들을 ‘영남대 46장본 계열’로 명명하는 것이 타당하다. 영남대 46장본 계열을 통해 <홍계월전>이 19세기 말경에 이르러 세 계열 이상으로 분화된 채 전승된 사실을 명확히 알 수 있다.

      • KCI등재
      • KCI등재
      • 초등학교의 실내공기질 중 PM10과 TBC 농도 특성 조사

        정준식,전형진,민종,송혜숙,정현성,김성미,이우석2,최성호 한국실내환경학회 2014 한국실내환경학회지 Vol.13 No.4

        An elementary school is a significant facility for educating and cultivating children and it is where they spend most of their days. The purpose of this study is to conduct an analysis on PM10 and TBC concentrations in 110 elementary schools in Suwon. We investigated 110 elementary schools from March 2011 to December in 2012. The mean concentration of PM10 and TBC were 51.3 ± 18.0 µg/m3 (GM: 47.9 µg/m3) and 311.0 ± 125.3 CFU/m3(GM:293.3 CFU/m3), respectively. All measurement concentrations did not exceed the Ministry of Education IAQguidelines. Also, the concentrations of PM10 and TBC were not affected by various conditions such as OutdoorPM10, school construction year, class student number, temperature(oC) and humidity(%). The results of the study suggest that management of the IAQ plan in elementary schools should be implemented through Daily-Pattern and Activity-Pattern analysis for assessment of IAQ

      • KCI등재

        강원도 지역 주택형태 및 계절에 따른 실내 라돈 농도에 관한 연구

        정준식,이재원,심인근,유주희,이규선,김성미,서수연,권명희 한국생활환경학회 2017 한국생활환경학회지 Vol.24 No.6

        The purpose of this study was to compare construction type and seasonal radon concentration in dwellingsin Gangwon-do province. We investigated 66 dwellings using alpha-track detector between 2013 and 2014, every threemonths (seasonal) during one year using an alpha-track detector. The concentration of indoor radon for dwellings were84.5 (GM: 64.5) Bq/m3, and the range (min-max) was 21.0 to 503.5 Bq/m3. Indoor radon concentration was the highestin winter and the lowest in summer. Indoor radon concentration of “Before 1980(AM: 378.0±378.2, GM: 205.3 Bq/m3)”construction is higher than other construction years (p<0.01). Indoor radon concentration at “General house” was112.9±149.8 (GM: 78.0) Bq/m3 and at “Traditional korean house” was 194.3±118.6. Indoor radon concentration at“Traditional korean house” was 1.89 (geometric mean) times higher than at the “General house” (p<0.01). Also, Indoorradon concentration at ‘Type 1’ were 8.13 and 8.06 times higher, respectively, than that at other construction types(Type2, Type 3). This study suggests that a plan should implement for the management of indoor radon concentration indwellings, through a broad and detailed survey.

      • KCI등재후보

        초등학교의 실내공기질 중 PM10과 TBC 농도 특성 조사

        정준식,최성호,전형진,이민종,송혜숙,정현성,김성미,이우석 한국냄새환경학회 2014 실내환경 및 냄새 학회지 Vol.13 No.4

        An elementary school is a significant facility for educating and cultivating children and it is where they spendmost of their days. The purpose of this study is to conduct an analysis on PM10 and TBC concentrations in 110elementary schools in Suwon. We investigated 110 elementary schools from March 2011 to December in 2012. The mean concentration of PM10 and TBC were 51.3 ± 18.0 μg/m3(GM: 47.9 μg/m3) and 311.0 ± 125.3 CFU/m3(GM:293.3 CFU/m3), respectively. All measurement concentrations did not exceed the Ministry of Education IAQguidelines. Also, the concentrations of PM10 and TBC were not affected by various conditions such as OutdoorPM10, school construction year, class student number, temperature(oC) and humidity(%). The results of the studysuggest that management of the IAQ plan in elementary schools should be implemented through Daily-Patternand Activity-Pattern analysis for assessment of IAQ.

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