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      • 건조과정을 통한 구기자의 Benomyl 잔류량 변화의 확인에 관한 연구

        조성용 ( Sung Yong Jo ),김용범 ( Yong Beom Kim ),심주연 ( Ju Yeon Sim ),황준혁 ( Jun Hyuk Hwang ),강은옥 ( Eun Ok Kang ),경기성 ( Kee Sung Kyung ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-

        This study was carried out to determine effect of drying on benomyl residue in Chinese matrimony vine. The test commercial pesticide, benomyl 50% WP, was diluted 2,000-fold and then the diluted solution was sprayed 2 times onto Chinese matrimony vine at 7-day intervals. Samples were collected after last spraying (0 day), 7 and 14 days and then dried with a hot-air oven to make the dried product. Residue of benomyl was calculated by conversion of carbendazim obtained to benomyl on the bais of their molecular weight. The limits of quantitation of carbendazim were all 0.01 mg/kg. The recoveries of carbendazim in fresh and dried product ranged from 87.4 to 104.2% and from 72.6 to 75.4%, respectively. The amounts of benomyl residues in fresh was slowly decreased after spraying. The residual amounts of benomyl in fresh and dried product at day 0 were 0.89 and 1.14 mg/kg, indicating that benomyl residue was increased in the dried product by removing of water.

      • KCI등재

        참여형 개선기법(PAOT)의 원리를 적용한 대사증후군 관리 프로그램 효과분석

        윤성용(Seong-Yong Yoon),우극현(Kuck-Hyeun Woo),김화성(Hwa-Sung Kim),김용배(Yong-Bae Kim),김진석(Jin-Seok Kim),조성용(Seong-Yong Jo),이성수(Sung-Soo Lee) 한국보건교육건강증진학회 2014 보건교육건강증진학회지 Vol.31 No.5

        Objectives: The purpose of this study was to apply participatory action-oriented training (PAOT) principle for the management of metabolic syndrome and to assess its effectiveness in the workplace. Methods: The metabolic syndrome management program applying participatory action-oriented training (PAOT) principle is constructed action checklist, Group discussion, self-creation of an action plan, after 3 months, 6 months, 1 year, the practice carried out check up and encourage practice activity. Results: The seventy-seven workers who participated in the metabolic syndrome management program made a total of 246 action plans, 3.8 action plans per person and 234 action plans were achieved after one year, so that 81.0% of action plans have been achieved. After 1 year, in the intervention group, systolic blood pressure (SBP) and diastolic blood pressure (DBP), body mass index (BMI), the risk factors score decreased statistically significant, and metabolic syndrome prevalence decreased 54.8%. whereas the control group also showed a significant decreased in the mean systolic and diastolic blood pressure, the risk factors score. but, low-density lipoprotein (LDL) was significantly increased. Conclusions: To improve the effectiveness of metabolic syndrome management program applying participatory action-oriented training (PAOT) principle, the need to continues implementing programs and analysis of the long-term effects are required. Participatory action-oriented training (PAOT) principle can applying without cost and time, the human burden for the prevention and management of chronic diseases such as metabolic syndrome.

      • KCI등재

        합성섬유제조업체 Dimethylacetamide 노출 근로자들의 독성 간손상 발생률

        장용석(Yong-Seok Jang),윤성용(Seong-Yong Yoon),조성용(Seong-Yong Jo),최태성(Tae-Sung Choi),유재영(Jay-Young Yoo),우극현(Kuck-Hyun Woo),하봉구(Bong-Goo Ha),정상재(Sang-Jae Jung),천병렬(Byung-Yeol Chun),김진석(Jin-Seok Kim) 대한직업환경의학회 2006 대한직업환경의학회지 Vol.18 No.3

        목적: 본 연구의 목적은 DMAc를 취급하는 일개 합성섬유 사업장의 근로자들을 5년간 추적 관찰 하여 근로자들의 독성 간손상의 발생률을 알아보고자 하는 것이고 최초 DMAc 노출 후부터 시간경과별 독성 간손상 발생 양상을 살펴보는 것이다. 방법: 연구대상 사업장은 DMAc 사용공정의 상시 근로자수는 협력 업체를 포함하여 약 300여명이고 2000년부터 DMAc를 사용하는 공정이 가동되었다. 연구 기간은 2000년 2월 1일부터 2004년 6월 30일까지이며, 이 기간 중 DMAc에 노출된 근로자 1,021명 중 초회 간효소에 이상 소견을 보이거나 B형 간염 보균자인 24명을 제외한 997명을 최종 연구 대상으로 하여 독성 간손상 발생 여부를 관찰하였다. 독성 간손상 발생 여부를 추적 관찰하기 위하여 노출 초기 3개월간은 2주 간격의 주기적인 혈액 검사를 실시하였고, 이후 6개월 간격의 건강진단과 2주간격의 사업장 방문을 통하여 독성 간손상 환례의 발생 여부를 관찰하였다. 결과: 997명의 연구 대상 중에서 독성 간손상 정의에 부합된 환례는 모두 72례였다. 생명표법으로 살펴본 결과, 독성 간손상 환례는 입사 후 2주 이내에는 발생하지 않았고2~3주 구간에 5명, 4~5주에 25명, 6~7주에 14명, 8~9주에 12명, 10~11주에 5명, 12~13주에 4명, 14~15주에 4명, 16~17주에 1명, 30-31주에 1명, 48~49주에 1명이 발생하였다. DMAc에 의한 독성 간손상은 입사한 후 첫 1년간의 누적 발생 위험도가 0.0965로써 상당히 높았고 최고 구간별 위험도를 보인 구간은 4~5주 구간으로 0.0351이었다. 발생 밀도법으로 구한 전체 5년간의 발생률은 100인년당 6.05명이다. 결론: DMAc에 의한 독성 간손상은 입사한 후 첫 1년 동안 상당히 높은 발생률을 보이므로 DMAc 노출 공정에 새로 배치된 근로자에 대한 간효소 혈액 검사를 비롯한 정기적인 특수 건강진단, 생물학적 감시와 같은 산업의학적 관리가 철저히 실시되어야 하겠다. 이와 함께 현재까지 충분히 밝혀지지 않은 DMAc에 의한 독성 간손 상의 발생 기전을 밝히는 연구와 이미 발생한 환례들에서 만성 합병증이 발생하는지에 대한 연구 등 추가적인 연구가 필요하다. Objectives: The main goal of this study was to find the incidence of the dimethylacetamide (DMAc) induced toxic liver injury among workers who were exposed to DMAc for about 5 years in a synthetic fiber factory. Methods: In our investigation, total 1,021 workers had been exposed to DMAc from 1st February, 2000 to 30th June, 2004. Among them, 24 workers who had initial abnormal hepatic enzyme level or was viral hepatitis B carrier were excluded. Finally, 997 DMAc exposed workers were followed up for their incidence of toxic liver injury. To find out DMAc induced toxic liver injury case, we carried out regular examinations including liver enzyme tests such as AST and ALT. Results: We followed up 997 workers and among them 72 cases coincided with our case definition. Incidence density method was 6.05 per 100 person-year. and, a cumulative incidence by life table method was 0.0965 within a year. The incidence of the DMAc-induced toxic liver injury peaked at 4 to 5 in weeks after employment. There was no toxic liver injury case within second week after exposure to DMAc. Five new cases developed in 2th to 3th week, 25 cases in 4th to 5th week, 14 cases in 6th to 7th week, 12 cases in 8th to 9th week, 5 cases in 10th to 11th week, 4 cases in 12th to 13th week, 4 cases in 14th to 15th week, 1 case in 16th to 17th week, 1 case in 30th to 31th week, and there was one case in 48th to 49th week. Conclusions: The incidence rate of toxic liver injury was considerably high during the 1st year after a worker is placed. So it is needed to take careful monitoring of hepatic enzyme level for newly exposed worker.

      • 갯기름나물 중 Hexythiazox와 Fenpropathrin의 잔류 특성

        김용범 ( Yong Beom Kim ),조성용 ( Sung Yong Jo ),심주연 ( Ju Yeon Sim ),황준혁 ( Jun Hyuk Hwang ),강은옥 ( Eun Ok Kang ),경기성 ( Kee Sung Kyung ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-

        This study was carried out to investigate dissipation patterns of hexythiazox and fenpropathrin in coastal hogfennel. The test commercial hexythiazox 10% WP and fenpropathrin 5% EC were diluted 2,000- and 1,000-time, respectively, and then the diluent were sprayed 2 times with 7-day intervals before harvest onto the test crop. Samples were collected at 0, 3, 5, 7 and 14 days after the last spraying. Limits of quantitation (LOQs) of the test pesticides were all 0.01 mg/kg. Recoveries of hexythiazox and fenpropathrin at 10- and 50-fold levels of their LOQs ranged from 80.3 to 96.3% and from 90.6 to 93.8%, respectively. The highest residues of hexythiazox and fenpropathrin in the crops collected just after spraying were 2.30 and 2.02 mg/kg, respectively, whereas those in the samples collected 14 days after harvest were 0.12 and 0.15 mg/kg, respectively. Also, half-lives of hexythiazox and fenpropathrin in coastal hogfennel were 3.1 and 3.7 days, respectively, indicating that the amount of hexythiazox and fenpropathrin in coastal hogfennel were time-coursely decreased.

      • KCI등재

        중소규모 사업장의 작업관련성 근골격계질환 예방을 위한 참여형 개선기법( PAOT) 적용사례

        윤성용(Seong-yong Yoon),우극현(Kuck-hyeun Woo),김진석(Jin-seok Kim),유재영(Jay-young Yu),최태성(Tae-sung Choi),하봉구(Bong-goo Ha),장용석(Yong-seok Jang),조성용(Seong-yong Jo) 대한직업환경의학회 2005 대한직업환경의학회지 Vol.17 No.3

        목적: 급증하고 있는 작업관련성 근골격계질환을 예방하기위해 중소규모 사업장에 적용한 참여형 개선활동 기법(PAOT)의 실행과정과 결과를 기술하고자 한다. 방법: 경북 구미소재 일개 대학병원에서 보건관리대행 서비스를 실시하고 있는 200여 개 사업체 중 선착순으로 워크샵 참가를 신청한 10개 사업체, 39명을 대상으로 작업관련성 근골격계질환 예방을 위한 PAOT 워크샵을 2회 실시하였다. 워크샵은 현장 체크리스트 실습을 통한 실습교육과 체크리스트 항목에 대한 원리 및 모범사례 사진을 설명하는 주제 발표 시간, 참가자들의 그룹토의로 이루어졌으며, 마지막 시간에는 참가자들이 자신의 사업장에서 시행할 개선활동을 단기계획 3가지와 장기계획 3가지로 나누어 수립하여 발표하도록 하였다. 결과: 2회의 워크샵에서 참가자들이 제시한 작업환경 개선계획은 모두 47건으로 단기개선계획 27건, 장기개선계획 20건이었다. 3~6개월 후 각 사업체를 직접 방문하여 작업환경 개선계획의 실행여부를 확인한 결과, 개선이 계획대로 완료된 건이 전체 47건 중 25건(53.2%), 현재 진행 중인 건이 8건(17.0%), 아직 실시되지 않은 건이 14건(29.8%)으로 과반수 이상의 개선계획이 실제적으로 수행되었다. 결론: PAOT 프로그램이 아직 객관적으로 평가되지는 않았지만 국내 중소기업에서의 작업관련성 근골격계질환 예방을 위한 중재기법으로서 하나의 대안이 될 가능성이 있으므로 이에 대한 연구가 계속되어야 할 것이다. Objectives: The purpose of this study was firstly to introduce a Participatory Action-Oriented Training (PAOT) program for the prevention of work-related musculoskeletal diseases (WRMSDs) in Small and Medium sized Enterprises in the Gumi Industrial Zone, and secondly to assess its effect. Methods: Two PAOT workshops to prevent WRMSDs were conducted with 39 volunteer participants from 10 companies selected (on a first-come, first-served basis) among 200 small- or medium-sized enterprises in Gumi. These companies had been provided with mandatory occupational health management agency services for Small and Medium sized Enterprises by an occupational medicine clinic. Each workshop consisted of 6 technical sessions and one closing ceremony. At the 1st session, the principles of each action checklist item were explained and an on-site checklist exercise was carried out. The 2nd to 5th sessions presented good example pictures on 4 subjects: material storage and handling, working environment, work organization and work-related welfare. Group discussions were carried out by the participants. In the final 6th session on the implementation of improvement, each participant was asked to present 6 action plans, 3 short-term and 3 long-term, for their own workplace improvement. Results: Overall, the participants worked out 47 real action plans, 27 short-term and 20 long-term, for improvement of their own workplaces. Three to 6 months after the workshops, through in-person visits to each company, it was confirmed that more than half of these 47 plans had been completed; 25 plans (53.2%) had been completed as planned, 8 (17.0%) were in processing, and 14 (29.8%) had not yet been put into practice. Conclusions: The study findings confirmed that the PAOT program holds strong potential as an intervention method to prevent WRMSDs in Small and Medium sized Enterprises, although the final results have not been fully assessed yet.

      • 갯기름나물 중 Ethoprophos와 Metaldehyde의 잔류 특성

        심주연 ( Ju Yeon Sim ),조성용 ( Sung Yong Jo ),김용범 ( Yong Beom Kim ),황준혁 ( Jun Hyuk Hwang ),강은옥 ( Eun Ok Kang ),경기성 ( Kee Sung Kyung ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-

        This study was carried out to investigate the residual characteristics of insecticide ethoprophos and metaldehyde in coastal hogfennel under greenhouse conditions. The test commercial pesticides, ethoprophos 5% GR and metaldehyde 6% GR were treated onto upland soil surface at the recommended and double dose before planting and then the test crop was transplanted. Sampling was done on the pre-harvest day of 50 days after treatment. To investigate residue change after harvest, additional samples were also collected 7 and 14 days after harvest. Limits of quantitation of ethoprophos and metaldehyde in the crop were all 0.01 mg/kg. Recoveries of ethoprophos and metaldehyde were ranged from 101.8 to 110.2% and from 71.1 to 93.0%, respectively. The residues of ethoprophos in the crop collected at harvest in recommended dose and double dose plots were 0.42 and 0.61 mg/kg, respectively. In case of metaldehyde, those were 0.25 and 1.37 mg/kg, respectively. Also, residues in the test crop collected 7 and 14 days after harvest found to be decreased comparing to those in the crop at harvest. The dissipation rates of the test pesticides in the crop collected 7 and 14 days after harvest were from 60.7 to 61.9% and from 51.1 to 56.0%, respectively, in both recommended and double dose.

      • KCI등재

        청주 및 전주지역 유통 농산물 중 잔류농약 모니터링

        이은영(Eun Young Lee),노현호(Hyun Ho Noh),박영순(Young Soon Park),강경원(Kyung Won Kang),조성용(Seong Yong Jo),이승열(Seung Reul Lee),박인영(In Young Park),김태화(Tae Hwa Kim),진용덕(Yong Duk Jin),경기성(Kee Sung Kyung) 한국농약과학회 2008 농약과학회지 Vol.12 No.4

        청주지역과 전주지역의 유통농산물 중 농약잔류실태와 안전실을 평가하기 위하여 각 지역의 도매시장과 재래시장에서 농산물을 채취하여 분석하였다. 청주지역의 시장에서 채취한 시료에서는 잔류농약이 검출되지 않았으나 진주시역에서 채취한 농산물의 경우는 도매시장 농산물에서 가지 등 5종의 농산물에서 chlorothalonil 등 3종의 농약이 검출되었으며, 재래시장 농산물에서는 토마토와 포도에서 azoxystrobin 등 3종의 농약이 검출되어 전주지역의 농산물에서는 10.9%의 검출율을 보였다. 그러나 검출농약은 모두 잔류허용기준 미만이었다. 검출농악이 해당 농산물의 섭취로 인체에 유입될 잔류농약의 일일섭취추정량은 ADI의 0.00102-0.03616%로 매우 낮아 안전한 것으로 판단되었다. In order to survey the residual characteristics of pesticides and assess their safeties in the agricultural products from markets, the agricultural products were purchased from the wholesale and traditional markets in Cheongju and Jeonju and analyzed the pesticide residues in them. No pesticide residues were found in samples from Cheongju, whereas, in case of samples collected from Jeonju, 3 pesticides including chlorothalonil were detected from 5 samples such as eggplant from wholesale market and 3 pesticides including azoxystrobin were found in tomato and grape from traditional market. Pesticide residues were detected from 10.9% of the total samples and detection levels were less than their maximum residue levels. Their estimated daily intakes ranged from 0.00102 to 0.03616% of their acceptable daily intakes, representing residue levels of the pesticides detected were evaluated to be safe.

      • 플라즈마를 이용한 배가스중의 VOC 제거

        이기완,김승재,조성용,김조천 한국공업화학회 2000 응용화학 Vol.4 No.1

        Volatile Organic Compounds(VOCs) contribute to the formation of photochemical oxidants and are harmful to human being because of their carcinogenicity and toxicity. VOCs are emitted from many sources such as transporation, surface coating, petroleum refining, and combustion process. It is urgent to remove VOCs from coating process.

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