십전대보탕을 투여한 흰쥐의 중요장기중 금속농도변화에 대한 연구

윤성욱,이선동,Yoon Seong-Wook,Lee Sun-Dong 대한예방한의학회 2000 대한예방한의학회지 Vol.4 No.1

This dissertation was to research how some metal level within SipJeonDaeBo - Decoction, one of oriental prescriptions, influence Sprague-Dawley animals. 1. Under the experiment with drinking waters there was no metal ${\sim}0.65\;mg/L$ detected. A metal with feed found 0.001-376.983mg/kg. 2. In the mice's kidney, brain, bones used experiment, As searched 0.474 mg/kg, 0.486 mg/kg, 0.314 mg/kg 0.834 mg/kg respectively ; Cd 0.060 mg/kg, 0.045 mg/kg, 0.030 mg/kg, 0.353 mg/kg, ; Co 0.105 mg/kg, 0.063 mg/kg, 0.030 mg/kg, 0.399 mg/kg, ; Cr 0.292 mg/kg, 0.304 mg/kg, 0.234 mg/kg, 0.962 mg/kg, ; Cu 4.201 mg/kg, 3.759 mg/kg, 1.923 mg/kg, 0.484 mg/kg, ; Fe 57.535 mg/kg, 150.571 mg/kg, 17.178 mg/kg, 281.506 mg/kg, ; no Hg, Mn 0.612 mg/kg, 2.968 mg/kg, 0.528 mg/kg, 4.205 mg/kg, ; Ni 0.094 mg/kg, 0.072 mg/kg, 0.078 mg/kg, 27.714 mg/kg, ; Pb 0.269 mg/kg, 0.293 mg/kg, 0.283 mg/kg, 43.142 mg/kg ; Zn 4.149 mg/kg, 21.861 mg/kg, 8.088 mg/kg, 226.283 mg/kg respectively. 3. In level of hazardous metal within idney control group searched 0.194 {\pm}\; 0.052 mg/kg, experimental I g개up $0.189{\pm}0.036\;mg/kg$, experimental I group $0.264 {\pm}{\pm}\;0.179\;mg/kg$. In level of non hazardous metal control group searched $15.917{\pm}5.575\;mg/kg$, experiment I group $17.064{\pm}2.246\;mg/kg$, experiment II group $16.892{\pm}3.586\;mg/kg$. Besides in total level of metal control g.cup detected $6.484{\pm}2.258\;mg/kg$, experiment I group $6.940{\pm}0.914\;mg/kg$, experiment II group $6.915{\pm} 1.508\;mg/kg$ There all was no statistical significance. 4. In level of hazardous metal within the liver control group searched $0.187{\pm}0.048\;mg/kg$, experiment I g개up $0.168[\pm}0.079\;mg/kg$, experiment II group $0.277{\pm}0.159\;mg/kg$. In level of non hazardous heavy metal control group detected $44.925{\pm}18.468\;mg/kg$, experiment I group $39.917{\pm}12.772\;mg/kg$, experiment II group $49.525{\pm}33.484\;mg/kg$. Besides in total concentration control group searched $18.082{\pm}7.395\;mg/kg$, experiment I group $16.068{\pm}5.128\;mg/kg$, experiment II group $19.977{\pm}13.443\;mg/kg$. There was no statistical significance but hazardous metal gets more level in the experilnent group than in the control group. 5. In level of hazardous metal within brain control group searched $0.145{\pm}0.056\;mg/kg$, experiment I group $$0.167{\pm}0.030\;mg/kg, erperiment II group $0.172{\pm}0.123\;mg/kg$. In level of non hazardous heavy metal control group detected $6.488{\pm}0.965\;mg/kg$, experiment I group $7.290{\pm}0.588\;mg/kg$, experiment II group $7.010{\pm}1.627\;mg/kg$. Besides in total concentration control group searched $2.683{\pm}7.395\;mg/kg$, experiment I group $3.017{\pm}0.238\;mg/kg$, experiment II group $2.908 {\pm} 0.711\;mg/kg$. Therefore there was no statistical significance. 6. In level of hazardous metal within bone control group searched $8.172{\pm}5.195 \;mg/kg$, experiment I group $9.128{\pm}4.143\;mg/kg$, experiment II group $9.401{\pm}6.924\;mg/kg$. There is statistical significance(p<0.05). In level of non hazardous metal control group detected $94.065{\pm}36.035\;mg/kg$, experiment I group $147.563 {\pm}79.939\;mg/kg$, experiment II group $142.730{\pm}77.374\;mg/kg$. Besides in total level control group searched $48.530{\pm}16.523\;mg/kg$, experiment I group $64.502{\pm}31.078\;mg/kg$, experiment II group $62.733 {\pm}34.641\;mg/kg$. Therefore there was no statistical significance. 7 In the correlative research as to how each metal influences to ingestion Cd and Co searched 0.954 and Pb and Ni -0.0884 from kidney. Co and Cd was 0.995 and Zn and As

S.E.T.A.S 공법 및 시공 사례

윤성욱,채승훈,길웅석,정환철,장한규,Yoon, Sung-Wook,Chae, Seoung-Hun,Gil, Ung-Seok,Jeong, Hwan-Cheol,Chang, Han-Kyu 한국공간구조학회 2018 한국공간구조학회지 Vol.18 No.4

아웃리거 댐퍼시스템의 고층건물 지진응답제어 성능 평가

윤성욱,이령경,김광일,김현수,강주원,Yoon, Sung-Wook,Lee, Lyeong-Kyeong,Kim, Kwang-Il,Kim, Hyun-Su,Kang, Joo-Won 한국공간구조학회 2016 한국공간구조학회지 Vol.16 No.1

Recently, the concept of damped outrigger system has been proposed for tall buildings. But, structural characteristics and design method of this system were not sufficiently investigated to date. In this study, the dynamic response control performance of outrigger damper has been analyzed. To this end, a simplified analysis model with outrigger damper system has been developed. Use the El Centro seismic(1940, NS) analysis was performed. Analysis results, on the top floor displacement response to the earthquake response, did not have a big effect. However, acceleration response control effect was found to be excellent. The increase of outrigger damper capacity usually results in the improved control performance. However, it is necessary to select that proper stiffness and damping values of the outrigger damper system because, the outrigger damper having large capacity is result in heavy financial burden.

논토양의 환원환경에서 비소 및 중금속의 용출특성과 제강슬래그의 처리효과

윤성욱,유찬,윤용철,강동현,이시영,손진관,김동현,Yun, Sung-wook,Yu, Chan,Yoon, Yong-Cheol,Kang, Dong-Hyeon,Lee, Si-Young,Son, Jinkwan,Kim, Dong-Hyeon 한국농공학회 2016 한국농공학회논문집 Vol.58 No.3

There have been only a few studies focused on the stabilization of metal (loid)s in anaerobic soils such as paddy soils. In this study, laboratory-scale column tests were conducted to artificially manipulate anoxic conditions in submerged paddy fields and we observed the release behavior of As, Cd, Pb, and Zn, as well as to examine the stabilization effect of steel refining slag (SRS) on the metal(loid)s. The leachate samples were collected and chemical parameters were monitored during the test period. Results suggest that anoxic conditions were developed during submersion, and that As or heavy metals (particularly Cd) fractions bound to ferrous (Fe) /manganese (Mn) oxides were easily dissociated. Moreover, As is also reduced by itself to a trivalent form with higher mobility in the reducing environment of rice paddy soil. However, it was also shown that SRS significantly decreased the dissolution of Zn, Pb, Cd, and As in the the leachates; their removal rates in the SRS-treated soil were 66 %, 45 %, 24 %, and 84 %, respectively, of those in the control soil.

소모성 보조 장비 구입비용 최소화를 위한 잔존가치 기반의 장비 할당 문제

윤성욱,정석재,Yoon, Sung-Wook,Jeong, Suk-Jae 한국시뮬레이션학회 2014 한국시뮬레이션학회 논문지 Vol.23 No.4

다품종 소량 생산을 따르는 중소기업들은 범용 장비와 이에 부착된 보조 장비를 활용하여 제품을 생산하고 있다. 이전에 많은 연구들은 이러한 중소기업의 환경에서 생산성 향상 관점의 설비 할당 연구를 진행해 왔다. 그러나 중소기업들은 제한된 예산 하에서 수요를 충족시켜야 하기 때문에 경제적 관점으로 설비와 작업을 할당하는 것이 매우 중요하다. 본 연구는 소모성 보조 장비의 잔존가치 개념을 이용하여 설비 할당 문제를 다루고자 한다. 소모성 보조 장비는 주 장비에 부착된 부품으로써 작업을 위해 꼭 필요한 부품이다. 그렇기 때문에 주 설비의 일정 작업시간 후에는 보조 장비의 구매가 이루어져야 한다. 본 연구에서는 PCB를 제조하는 S기업을 대상으로 잔존가치를 고려한 설비할당 방법과 S기업의 현행 설비할당 방법 (Cycle)이 장 단기 관점에서 보조 장비의 구매량과 구매비용에 어떤 영향을 미치는지 알아보기 위해 두 전략을 비교 실험하였다. 그 결과, 장 단기적 관점에서 모두 본 연구에서 제안하는 설비할당 방법이 현행방법보다 보조 장비의 구매수량 및 구매비용에 대해서 더 효율적인 결과를 보였다. 그러나 장기적으로 갈수록 현행방법과의 차이가 미미해짐을 알 수 있었다. 한편 유휴설비에 대한 대여 전략을 고려할 경우, 기업은 추가적인 이익 효과를 기대할 수 있음을 보였다. Small and medium Enterprises (SMEs), which have a manufacturing method of small quantity batch production produce goods using a general-purpose equipment and attached auxiliary tools. Many previous studies have focused on finding the effective resource allocations for improving the firms' productivity. It is very important for SMEs to keep costs low in assigning jobs to each resource, because they should meet the future uncertain demand of consumers under the limited budget. Using the concept of salvage cost, this paper proposes how to effectively allocate the tasks to main resources in the production process. The salvage cost is defined that purchasing cost minus decrease in value by workload, the method considering this is expected to reduce total purchasing costs during business period. To validate the effect of the proposed method, we proceed the real case study targeting on S company, PCB manufacturer to compare purchase amounts and its costs between the allocation proposed based salvage cost and current allocation method of current S company. As a results, In short-term (3 year) business period, salvage allocation have remarkable superior outcome to existing method, but gradually have cancelled out the effects in long-term (8 year) plans. Unlike the cycle allocation method, there exists the idle-equipments in allocation based salvage value. we additionally analyze the profits with respect to rental strategy of them during business period.

폐금속 광산의 영향을 받는 농경지 토양 내 금속성분 오염의 공간적 분포특성: 충청남도 부여군의 사례연구

윤성욱,김동현,강동현,이시영,손진관,김해도,윤용철,유찬,Yun, Sung-Wook,Kim, Dong-Hyeon,Kang, Dong-Hyeon,Lee, Si-Young,Son, Jinkwan,Kim, Hae-Do,Yoon, Yong-Chel,Yu, Chan 한국농공학회 2017 한국농공학회논문집 Vol.59 No.6

In this study, the concentrations of As, Cd, Cu, Pb and Zn in agricultural soils across a region of South Korea (Buyeo County) were investigated. Their pollution sources were assessed using multivariate statistical analysis, and Geographic Information System (GIS) technology was used to determine the distribution of these elements. Surface soil samples were collected from 114 locations across the agricultural fields in the study site. Cu and Zn were derived from natural sources (i.e., parent rocks of the soil), whereas As, Cd, and Pb were found to be originated from abandoned mines. The results of this study clearly show that the transport of anthropogenic As, Cd, and Pb is governed mostly by the specific environment of the paddy soil. Our approach was effective in clearly identifying the sources of metals and analyzing their contamination characteristics. We believe this study will provide useful information to future studies on soil pollution by anthropogenic sources.

성별에 따른 치과위생사의 직무만족 감정노동 이직의도와의 융합적 관련성

윤성욱,성미애,Yoon, Sung-Uk,Sung, Mi-Ae 중소기업융합학회 2020 융합정보논문지 Vol.10 No.9

본 연구는 치과 의료기관의 성별에 따른 치과위생사를 대상으로 직무만족, 감정노동, 이직의도의 상관성를 자기기입식 설문조사를 실시하였다. 남성의 경우 직무만족은 금연에서 높고, 감정노동은 높은 연령이 낮았다. 이직의도는 35세 이상에서는 낮고 직원수가 11-20명, 흡연에서는 높았다. 여성인 경우 직무만족은 10년 이상 경력, 대학졸, 직원 수 20명 초과가 높았으며 감정노동은 높은 연령이 낮고 음주에서 높았다. 이직의도는 전문대졸, 미혼, 음주가 높았다. 남성이 여성에 비해 감정노동이-0.22배 적었으나 이직 의도는 3.9배로 높았다. 직원 수는 10명 이상이 2.7배로 높았다. 따라서 성별에 따른 차이점을 고려하여 직무만족을 높이고 감정노동과 이직의도를 줄이는 노력이 체계적으로 이루어져야 것이다. This study conducted a self-written questionnaire survey on the correlation between job satisfaction, emotional labor, and turnover intention of dental hygienists according to the gender of dental medical institutions. Job satisfaction was high smoking cessation, emotional labor was low age. Turnover intention was low in over 35 years old, number of employees was 11-20, was high in smoking. For women, job satisfaction was high 10 years experience, university, 20 employees. Emotional labor was low age, drinking. Intention to turnover was high in college, single, drinking. Men's emotional labor was 0.22 times less than women's, but their turnover intention was 3.9 times higher. The number of employees was 2.7 times higher than 10 employees. Therefore, efforts to raise job satisfaction and reduce emotional labor and turnover intentions should be made systematically in consideration of gender differences.

잡음 환경에서의 음성인식을 위한 온라인 빔포밍과 스펙트럼 감산의 결합

윤성욱,권오욱,Yoon, Sung-Wook,Kwon, Oh-Wook 한국음향학회 2021 韓國音響學會誌 Vol.40 No.5

본 논문에서는 실제 환경에서의 연속 음성 강화를 위한 딥러닝 기반 온라인 빔포밍 알고리듬과 스펙트럼 감산을 결합한 빔포머를 제안한다. 기존 빔포밍 시스템은 컴퓨터에서 음성과 잡음을 완전히 겹친 방식으로 혼합하여 생성된 사전 분할 오디오 신호를 사용하여 대부분 평가되었다. 하지만 실제 환경에서는 시간 축으로 음성 발화가 띄엄띄엄 발성되기 때문에, 음성이 없는 잡음 신호가 시스템에 입력되면 기존 빔포밍 알고리듬의 성능이 저하된다. 이러한 효과를 경감하기 위하여, 심층 학습 기반 온라인 빔포밍 알고리듬과 스펙트럼 감산을 결합하였다. 잡음 환경에서 온라인 빔포밍 알고리듬을 평가하기 위해 연속 음성 강화 세트를 구성하였다. 평가 세트는 CHiME3 평가 세트에서 추출한 음성 발화와 CHiME3 배경 잡음 및 MUSDB에서 추출한 연속 재생되는 배경음악을 혼합하여 구성되었다. 음성인식기로는 Kaldi 기반 툴킷 및 구글 웹 음성인식기를 사용하였다. 제안한 온라인 빔포밍 알고리듬 과 스펙트럼 감산이 베이스라인 빔포밍 알고리듬에 비해 성능 향상을 보임을 확인하였다.

아웃리거 댐퍼 시스템의 고층건물 풍응답 진동제어 성능 평가

윤성욱,이령경,김광일,김현수,강주원,Yoon, Sung-Wook,Lee, Lyeong-Kyeong,Kim, Kwang-Il,Kim, Hyun-Su,Kang, Joo-Won 한국공간구조학회 2015 한국공간구조학회지 Vol.15 No.3

Recently, the concept of damped outrigger system has been proposed for tall buildings. But, structural characteristics and design method of this system were not sufficiently investigated to date. In this study, the dynamic response control performance of outrigger damper has been analyzed. To this end, a simplified analysis model with outrigger damper system has been developed. An artificial wind of 1000 seconds with 0.1 second time steps was generated by using a Kaimal spectrum. Analysis results show that outrigger damper system is more effective up to 20-23% in the control of dynamic response compared to conventional outrigger system. The increase of outrigger damper capacity usually results in the improved control performance. However, it is necessary to select that proper stiffness and damping values of the outrigger damper system because, the outrigger damper having large capacity is result in heavy financial burden.

고객 가치에 근거한 명품 소비자의 시장세분화에 관한 탐험적 연구

윤성욱 ( Sung Wook Yoon ),한지희 ( Jee Hee Han ) 한국소비자학회 2008 소비자학연구 Vol.19 No.4