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백-밸브-마스크 환기 시 마스크 밀착방법에 따른 환기효과 비교
이남종,백미례,Lee, Nam-Jong,Baek, Mi-Lye 한국응급구조학회 2018 한국응급구조학회지 Vol.22 No.1
Purpose: The purpose of this study was to compare the tidal volumes and airway pressures of 3 mask-sealing methods (one hand C-E, two hands C-E, and one hand O-E) for ventilation treatment. Methods: The study subjects were 45 paramedic students. Tidal volume was measured for the three sealing methods by setting a ventilator, connecting it to the masks for 2 minutes, and using Respi-trainer software. Results: Regarding general characteristics, the group of men, in upper grades, and with practical training experience and experience and experience in the implementation of bag-valve-mask ventilation provided higher tidal volumes. Regarding physical characteristics, larger hands and greater grip strength correlated with higher tidal volume. Two hands C-E generated the highest tidal volume of $483.78{\pm}34.14mL$, one hand O-E generated $449.59{\pm}51.09mL$ and one hand C-E generated $394.31{\pm}68.95mL$. Conclusion: Means of tidal volumes were statistically significantly different based on mask sealing methods (p<.001). Two hand C-E was performed by the two-persons task and was suggested as the most effective method. For the one-person task, one hand O-E was the more effective method compared to the previous one hand C-E.
2급 응급구조사 양성과정 개선방안 연구 : 양성기관 현황 및 지정기준 검토
이남종,신동민,김병우,박시은,유은지,윤병길,윤성우,윤형완,이경열,최재웅,황성훈,Lee, Nam-Jong,Shin, Dong-Min,Kim, Byung-Woo,Park, Si-Eun,Yoo, Eun-Ji,Yoon, Byoung-Gil,Yun, Seong-Woo,Yun, Hyeong-Wan,Lee, Kyoung-Youl,Choi, Jae-Woong,Hwang, 한국응급구조학회 2019 한국응급구조학회지 Vol.23 No.2
Purpose: To discuss the records and legal standards of emergency medical technician training institutions in Korea and abroad, to identify the problems, and to provide the basic resources for improving the EMT-basic training institutions. Methods: We received advice through an advisory meeting of experts (professors of department of emergency medical technicians) and interested parties (Korean Association of Emergency Medical Technicians, officials of emergency medical technician training institutions) and referred to various reports published by governments, official institutions, and other trustworthy organizations. Also, we communicated with the related experts abroad (3 countries) on the phone or by email for surveys. Results: Compared to the abroad, it is necessary to categorize the standards and procedures of designating the emergency medical technician training institutions in Korea and improve the management of training institutions to train competent emergency medical technicians. Conclusion: It is necessary to designate and manage continuously the emergency medical technician-basic training programs for the systematic primary healthcare service.
이남종 ( Lee Nam Jong ),고병구 ( Go Byeong Gu ),노기안 ( No Gi An ),한민수 ( Han Min Su ),김민경 ( Kim Min Gyeong ),곽한강 ( Gwag Han Gang ),박문희 ( Park Mun Hui ) 한국환경농학회 2003 한국환경농학회지 Vol.22 No.4
In order to preserve the soundness of ago-ecosystem and products safety in agriculture, this study was evaluated environmental impact in relation to the INM (Integrated Nutrient Management) and IPM (Integrated Pest Management) at paddy fields at Ok-Chun and Yang-Pyung region. By introduction of INM with the application of BB(bulk-blanded) fertilizer based on soil analysis and EM, the application rate of fertilizer was reduced to about 28.6-39.4% and the yield of brown rice was increased to about 3-10% compared to conventional practices. The concentrations of COD, NH4-N, and NO3-N in irrigation water flowed to the environmental-friendly agriculture practices were 15.0, 0.67, and 1.39 ㎎/L, respectively. The concentrations of COD, NH₄-N, and NO₃-N from paddy fields in drainage water were 12.4, 0.29, and 2.42 ㎎/L, respectively. The total number of the freshwater invertebrates was higher in field treated with fektilhtion by prescription with soil testing. Also, the population density of aquatic insects was higher than the other fields at both demonstration villages. In conclusion, it was possible to reduce the amount of fertilizer and agricultural chemicals application, and increase the yield of rice by application of the environmental-friendly agriculture practices.
김민경,서명철,이남종,정종배,김복진,Kim, Min-Kyeong,Seo, Myung-Chul,Lee, Nam-Jong,Chung, Jong-Bae,Kim, Bok-Jin Korean Society of Soil Science and Fertilizer 2003 한국토양비료학회지 Vol.36 No.1
낙동강 유역 농업지대에서 영농활동에 따른 토양과 수질을 평가하기 위하여 전형적인 논과 밭농사를 중심으로 한 영주 고령 밀양지역, 과수원이 형성되어 있는 임고천 유역, 그리고 시설 재배지인 하빈천 유역을 대상으로 1995년 7월부터 1999년 7월까지 각 소하천 주변의 토양과 수질을 조사하였다. 영농형태에 따라 토양중 유효인산의 함량은 현저한 차이가 있었는데, 밭토양과 시설재배지 토양이 다른 토양에 비하여 월등히 높았고, 총질소 함량은 과수원 토얌이 약간 높았을 뿐 대부분의 토양이 비슷한 수준이었다. 소하천변로 수질을 평가해 보면, 다른 유역에 비하여 논농사 유역의 수질이 양호하였으나, 과수원이 형성되어 있는 임고천의 경우 질소의 함량이 높았으며, 시설재배지인 하빈천의 경우에는 상대적으로 염류의 함량이 높았다. 이는 유역내 축산폐수나 생활하수의 유입, 농경지의 과다한 화학비료와 퇴비의 시용으로 생각되며, 낙동강의 수질 본전을 위해 이들 소하천에 대한 농업비점오염원에 대한 적절한 토양 및 수질관리가 선행 할 것 이다. Soil and water quality was monitored in the Nakdong River basin to assess the impact of different agricultural practices. From five catchments, soil samples were collected at three times during 1996 to 1998, and water samples were collected at twelve times on July during 1995 to 1999. The major agricultural practices were paddy and upland farming in three areas surveyed: Youngju, Goryung, and Milyang. Apple orchards were located along in the Imgo-Cheon catchment. Intensive vegetable farming in plastic fIlm house was practiced in the Habin-Cheon catchment. Total N contents, 0.04-0.32%, of paddy soils were low in comparison with those of upland, orchard, and plastic film house soils. Available phosphate($P_2O_5$) contents, $2-421mg\;kg^{-1}$, in plastic film house soils were higher than those in paddy soils. In plastic film house and upland soils, CEC of soils were high. The N concentrations in most of the streams were higher than $1.0mg^{-1}$, the standard of agricultural irrigation water. The P concentrations were above $1.0mg^{-1}$, the standard of agricultural irrigation water and were higher than the minimum level for eutrophication, $0.01-0.05mg\;L^{-1}$ in most of the streams. In conclusion, nutrients by agricultural activity could affect water quality of streams near the agricultural fields. Good water quality in streams can be maintained by proper management of agricultural fields and by decreasing application amount of fertilizers in agricultural fields.
김성령(Sung-Lyoung Kim),이남종(Nam-Jong Lee),신교석(Gyo-Seok Shin) 한국산학기술학회 2020 한국산학기술학회논문지 Vol.21 No.4
본 연구는 구급대원을 대상으로 현 출동벨에 대한 스트레스를 파악하고 출동벨에 대한 요구 및 개선점을 파악하여 현실적으로 적용 가능한 출동벨 변경을 위한 기초자료로 제공하기 위한 조사연구이다. 자료 수집은 2019년 8월 28일부터 9월 21일까지 자발적 의사에 의해 연구에 동의하는 대상자 267명을 대상으로 온라인 설문조사로 수집되었다. 연구도구는 구조화된 설문지를 이용하였다. 연구결과는 SPSS/WIN 23.0을 사용하여 평균과 표준편차, 백분율 및 빈도 분석, 독립표본 t-검정으로 분석하였다. 현 근무지의 구급 출동벨 유형은 복합형이 143명(53.4%)으로 가장 많았고 출동벨에 대한 부정적인 생각이 132명(49.4%)으로 높아 주기적인 교체가 필요하다고 사료된다. 상황별 스트레스로는 취침 중에 출동벨을 들었을 때 4.35±0.94로 가장 높았다. 일평균 구급출동 횟수에 따른 취침 중 스트레스에서는 9회 이상과 9회 미만 출동하는 그룹이 통계학적으로 유의미한 차이를 보였다(p<0.05). 구급대원이 원하는 출동벨의 유형으로는 "부드러운 음악"과 "자연의 소리" 등으로 현 출동벨의 교체를 원하는 비율이 168명(62.9%)으로 절반 이상을 차지하였고, 24개월 이내로 주기적인 출동벨의 교체를 원하는 비율도 163명(91.6%)으로 높기 때문에 출동벨에 대한 개선이 필요할 것으로 사료된다. This study was conducted to provide basic data for realistic applicable changes of sirens by identifying the stress due to the currently used sirens and the need for improving siren. The data was collected from an online survey of 267 subjects who voluntarily agreed to join this study from August 2019 to September, 2019. A structured questionnaire was used as a research tool. The results were analyzed by means and standard deviations, percentages and frequency analysis, and independent t-tests using SPSS. For the current workplace emergency siren type, it is believed that the number of hybrid formats was 143, the most negative opinion of the siren is high at 132, so periodic replacement is needed. For contextual stresses, the highest was 4.35 ± 0.94, when the siren was heard during bedtime. In the stress during sleep, which was based on the daily mean number of movements,, a statistically significant difference was shown between groups of 9 or more movements and below 9 movements (p <0.05). The type of siren paramedics wanted was "soft music" and "sound of nature". More than half of 168 people (62.9%) wanted to replace the current siren, and 163 (91.6%) wanted that periodically within 24 months. Therefore, it is necessary to improve the siren.