http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
심무준,양중석,이미정,이기현,박재선,김국진,민상윤,김주영,최민주,김민찬,임종환,권만재,Shim, Moo Joon,Yang, Jung-Seok,Lee, Mi Jung,Lee, Giehyeon,Park, Jae Seon,Kim, Guk Jin,Min, Sang Yoon,Kim, Joo Young,Choi, Min Joo,Kim, Min Chan,Lim, Jon 한국지하수토양환경학회 2014 지하수토양환경 Vol.19 No.1
산업화의 영향으로 발생한 토양 지하수 내 중금속 및 유류 오염정화를 위해 다양한 시도가 이루어지고 있다. 그러나 미세토양이 상대적으로 많이 포함되어 있는 오염토양 정화시 오염물질의 rebound나 tailing 현상이 발생되어 정화기간이 장기화 되어왔다. 이러한 문제점은 미세토양과 미세공극이 존재하는 미세환경과 오염물질의 각각의 특성, 존재형태, 그리고 상호간의 다양한 반응 등으로부터 기인한다고 보고되었다. 따라서, 본 연구에서는 토양 지하수 미세환경과 오염정화 효율성과의 상관성에 대해 고찰하고 미세환경의 샘플링, 분석, 평가 기법을 소개 및 제안하며, 이를 활용한 오염정화효율 향상과 최적의 정화공법선정을 위한 정보를 제공하고자 하였다. 오염토양의 물리 화학 생물학적 특성 그리고 오염물질 종류 및 특성에 따른 정밀 평가를 통해 특정 정화공법 적용시 달성 가능한 정화기간과 정화수준을 예상할 수 있을 것이다. 따라서, 미세환경의 정밀 분석, 평가 기술을 바탕으로 정화 기술의 효율성과 타당성 검토가 가능할 것으로 판단되며 오염된 토양 지하수 복원을 위한 최적의 정화공법을 선정하는 기초자료로써 활용될 수 있을 것으로 사료된다. A variety of physical, chemical, and microbiological techniques have been developed to deal with soil and groundwater contamination. However, in the presence of the large portion of soil micro-environments, contaminant rebound and/or tailing have been frequently reported. Case study of total petroleum hydrocarbons (TPH) removal by full-scale land farming showed that contaminant rebound and/or tailing occurred in 9 out of total 21 cases and subsequently resulted in problems of a long term operation to satisfy TPH guidelines of contaminated soil and groundwater. The main cause of contaminant rebound and tailing is considered to be the strong interactions between contaminants and micro-environments including micro-particles, micro-pores, and organic matter. Thus, this study reviewed the effects of soil micro-environments of soil and groundwater on the removal efficiency for both heavy metals and petroleum contaminants. In addition, the various methods of sampling, analysis, and assessment of soil micro-environments were evaluated. Thorough understanding of the effects of soil micro-environments on contaminant removal will be essential to achieve a cost-effective and efficient solution to contaminated sites.
심무준,윤재용,이수형 한국하천호수학회 2015 생태와 환경 Vol.48 No.1
The tributaries of Daechung Lake play an important role in controlling eutrophication in the lake, which is used for agricultural purposes and as potable water. However, water quality properties were not extensively studied in the tributaries of Daechung Lake. The objectives of this study are to investigate spatial and temporal properties of water quality and to characterize streams which could threaten water quality of Daechung Lake. For this study, water samples were weekly or monthly collected from February 2014 to October 2014 in 9 streams. Water quality parameters analyzed in this study include biochemical oxygen demand (BOD), chemical oxygen demand (COD), total organic carbon (TOC), total nitrogen and phosphorus (TN and TP), suspended solids (SS), and chlorophyll a. Based on temporal distribution and principal component analysis, BOD, COD, TOC, SS, and TP were controlled by not only river discharge that increased during summer due to heavy rain fall, but also due to anthropogenic input (e.g., bridge construction and/or agricultural activity). Dilution is also one of the factors explaining TN and conductivity, both of which decreased with increased discharge. Generally, concentrations of contaminants (BOD, COD, TOC, TN and TP) in the tributaries were higher than those of Daechung Lake. However, pollution load indicated that only the main channel of Geum River and Sook Stream may largely influence lake waters, attributed mostly to their large volumes. This implies that the main channel and Sook Stream are the major influences on the water quality of Daechung Lake.
등부표 식별용 LED 발광 번호판을 활용한 해상교통 안전에 관한 연구
심무준(Moo-Jun Shim),이태환(Tae-Hwan Lee) 한국항해항만학회 2010 한국항해항만학회 학술대회논문집 Vol.2010 No.춘계
전통적인 항로표지는 등광(동명기)에 의존하여 항로 및 위험물을 표시함으로써 통항선박의 안전을 확보하여 왔으나, 울산항을 비롯한 전국 무역항에서 입지조건이 유리한 항만배후단지가 개발됨에 따라 항만배후광이 증가하였고 항로표지의 야간시인성이 현격하게 떨어지는 현상이 발생하였다. 또한, 전국 무역항에서는 체선율 저감을 통한 항만 운영율 향상을 위하여 야간 입출항 제한규모를 단계적으로 향상하고 있어 이에 대비한 통항선박의 안전확보방안 마련이 시급히 요구되고 있는 실정이다. 이에 항행원조시설인 등대 및 등표등에 등탑직접조명방식(LED논네온 등)을 비롯한 고광력 등명기 등이 적용되었고, 상대적으로 시인성이 떨어지는 등부표에서는 시인성 향상과 선위결정이 용이하도록 LED발광번호판을 개발하여 적용한 결과, 항만 이용자들로부터 호평을 받고 있으며 앞으로도 항만배후광 극복을 위한 항로표지의 발전은 계속되어야 할 것이다. The traditional Aids to Navigations(AtoN) have been ensuring the Safety of ships by indicating the passage and dangers by depending on the flashing lights. But the more the industrial complex behind port which is all over the country involving the Ulsan port developed, the more the lights behind port is stronger, and then the distingshment of the signal of AtoN from the lights behind port is more difficult. And It is urgently needed to prepare the counterplan about the ensurement of safety because the authorities levels up the limit tonnage of the ships which are sail in and out during night to improve the operation of port through reducing of the traffic jam. So, the method of direct lighting like LED non-neon is applied to unmanned lighthouses or light beacon, and the LED flashing number plate is applied to light buoys whose light power is weaker than to improve distinguishment and to be easy positioning of ships. As a result, the users af UIsan port comment favorably on this item and the deverlopment of AtoN must be continuos to overcome the lights behind port.
견운모가 함유된 에어필터가 디젤자동차 연비에 미치는 영향
심무준 ( Moo Joon Shim ),김무늬 ( Munni Kim ),진강중 ( Kang-jung Jin ),이승목 ( Seung-mok Lee ) 한국공업화학회 2020 공업화학 Vol.31 No.3
견운모는 도자기와 페인트 등의 원료로 쓰이고 있으며 근래에는 흡착제로서 폐수 내 중금속 제거에도 널리 이용되고 있다. 견운모에 함유되어 있는 성분들이 공기 중의 습기와 반응하여 산소를 배출한다는 원리를 이용하여 견운모 분말이 포함된 에어필터를 개발하였다. 새로 개발된 에어필터가 실제로 디젤자동차에 장착되었을 때 연비를 향상시키는지에 대하여 시험하였다. 그 결과 시험에 이용된 디젤자동차가 워밍업이 되었을 때 기존 에어필터를 장착했을 때와 비교하여 연비는 10~17% 증가하는 것으로 나타났다. 하지만 개발된 에어필터가 배출가스(HC, CO, NOx) 배출량에 미치는 영향은 아직 조사되지 않았으며 차후 이에 대한 연구가 필요하다. Sericite is used as a raw material for ceramics and paints, and recently it is widely used as adsorbents to remove heavy metals in wastewater. A new air filter containing sericite was developed using the principle of which components contained in the sericite react with moisture in the air to release oxygen. We tested whether the newly developed air filter actually improves fuel efficiency when mounted on a diesel vehicle. When the diesel vehicle used in the test was warmed up, the fuel efficiency increased by 10~17% compared to when an existing air filter was installed. However, the effect of the developed air filter on the amount of emissions (HC, CO, NOx) has not been investigated, and further research is required for the diesel vehicle emissions.
심무준,양윤모,오다연,황윤호,이수형 한국하천호수학회 2015 생태와 환경 Vol.48 No.3
This study was conducted in autumn to determine phosphorus (P) fraction in sediments of Daechung Lake, to elucidate controlling factors for sedimentary P, and to compare with the other areas. For this study, sediment samples were collected at 6 sites only once on November 2014 using ponar grab and analyzed for solid-phase P (Loosely adsorbed, Fe-bound, Al-bound, detrital apatite, and refractory organic P) by sequential extraction. Total phosphorus (TP) was relatively high in front of Daechung Dam and Hoinam where fish farm was run until 1997. The dominant sedimentary P form was Al-bound P, followed by Fe-bound P, which could be released from sediment to water column during suboxic state. Based on principal component analysis, Al-bound P, Fe-bound, and TP were controlled by grain size of sediments. Loosely adsorbed, detrital apatite, and refractory organic P were relatively highly accumulated at the mouth of major tributaries where suspended sediments were delivered. Sedimentary P concentrations in Daechung Lake sediments were not higher than in other lake sediments. Therefore, based on these results, major controlling factors were grain size and input of suspended sediments from tributaries.