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상수원수 수질변화에 따른 전오존 처리효과 및 경제성 평가
최동훈 ( Dong Hoon Choi ),박진식 ( Jin Sik Park ),문추연 ( Choo Yeun Moon ),이재용 ( Jae Yong Lee ),유동춘 ( Dong Choon Ryu ),장성호 ( Seong Ho Jang ),권기원 ( Ki Won Kwon ),이수애 ( Soo Ae Lee ) 한국환경과학회 2013 한국환경과학회지 Vol.22 No.4
This study, changes in raw water quality is to indicate on the efficiency of ozone treatment of each pollutant as compared to derive the appropriate operating measures. The appropriate selection for injection rate of pre-ozone and did not inject pre-ozone assess changes in the water. When good water quality, you not injected of pre-ozone to evaluate the economic efficiency of electricity and put the most cost-effective ozone concentration were evaluated. Evaluation remove organic matter and chlorophyll-a concentration level in experiments with each factor of the water DOC> 2.5㎎ / L, THMFP> 70㎍ / L, Chl-a> 30㎎/㎥or less constant process, if you do not need to put pre-ozone showed little impact. It also does not put you in pre-ozone appropriate produce enough power rate savings was calculated as approximately 90 million won. Ability to remove organic materials and the ability to produce disinfection byproducts, and cost-effective decisions by considering the concentration of injection if pre-ozone 1 mg/L was investigated by the appropriate concentration of ozone injection.
이고은 ( Go Eun Lee ),박장호 ( Jang Ho Park ),유윤선 ( Yun Sun Lyu ),노동진 ( Dong Jin No ),박인숙 ( In Sook Park ),강형원 ( Hyung Won Kang ) 대한한방신경정신과학회 2011 동의신경정신과학회지 Vol.22 No.3
Objectives: The purpose of this study was to investigate the difference of somatization psychological mechanism among Sasang constitution. Methods: Subjects were seventy four students of Won-Kwang university responded the questionnaire. We evaulated teh subjects using Minnesota Questionnaire for the Sasang Constitution Classification Ⅱ(QSCC Ⅱ), Multiphasic Personality Inventory-2(MMPI-2), 20-item Toronto Alexithymia Scale (TAS-20), Somato-Sensory Amplification Scale(SSAS), Symptom Interpretation Questionnaire(SIQ) and The Ways of Stress Coping Questionnaire(SCQ). Results: From the results of Clinical scale of MMPI-2, the scores of 2nd, 9th, 10th scales was significantly difference. In Lesser Yin group 10th score was the significantly highest of the others, 1st, 3rd, 6th, 7th, 8th score were the highest but not significant. and From the results of PSY-5 scale(The Personality Psychopathology Five scale) of MMPI-2, In Lesser Yin goup, INTR(Introversion/Low Positive Emotion) score was significantly highest, PSYC(psychoticism), NEGE (Negative Emotionality/Neuroticism) was higher than the others. In TAS-20K, SSAS, SIQ and SCQ Lesser Yin group was not significantly difference. but Lesser Yin group had the tendency of difficulty describing feelings and externally oriented thinking and higher score in physical and psychological interpretation. We observed generally lower levels of stress coping strategy scores than the others. Conclusions: These results showed that Lesser Yin group tend to somatization compared other constitution.
2010 해남, 평창, 원주지역 갈대 등 야초류의 이용실태와 사료가치 평가
서성(Sung Seo),한대덕(Dae Duk Han),장선식(Sun Sik Jang),김원호(Won Ho Kim),정민웅(Min Woong Jung),최진혁(Jin Hyuck Choi),김진숙(Jin Sook Kim),김하영(Ha Young Kim),이종경(Joung Kyong Lee) 한국초지조사료학회 2012 한국초지조사료학회지 Vol.32 No.1
본 연구는 부존 조사료자원 이용으로 수입사료를 줄이고 사료비를 절감하고자 2010년도에 전남 해남(간척지), 강원 평창(강변), 원주(섬강변), 전남 영광(와탄강변) 등 4개 지역에서 갈대와 억새 등 야초 자생지를 탐색하고, 수확·이용실태 조사와 함께 사료가치를 분석하였다. 전남 해남 해남목장 내 갈대(Phragmites communis) 위주의 야초 자생지는 300 ha로 예년에는 2회 곤포작업하여 연간 사일리지로 2,300~2,500톤(ha당 8톤)을 생산하였으나 2010년도는 1회 곤포조제로 사일리지 2,000톤(ha당 7톤)을 생산하였다. 유통가격은 롤 당 53천원으로 ㎏당 110원이었다. 곤포는 전량 자가소비하며, 외부 작업단에 롤 당 26천원의 작업비를 지불하였다. 연간 조수입은 2억 2,260만원이며, 소득은 1억원 수준(345천원/ha)이었다. 초장 150 ㎝의 갈대는 조단백질 8.4%, 상대사료가치 71.9 (건초 5등급), 건물 소화율 60.1%로 사료가치는 볏짚에 비해 약간 나은 것으로 평가되었다. 갈대 사일리지의 사료가치와 유기산 함량은 동일 지역에서 동일한 재료로 사일리지를 조제하더라도 수확시기에 따라 차이가 컸으며(CP 4.7~6.4%, RFV 62.2~78.9, 건물 소화율 41.9~53.9%), 갈대 사일리지의 품질은 수단그라스에 비해 불량하였다. 강원 평창 강변 자생갈대의 사료가치는 초장이 79, 117, 121, 142㎝로 생육이 진행됨에 따라 낮아져, 조단백질은 각각 13.9%에서 7.6%로, 상대사료가치는 90.7 (건초 3등급)에서 76.1 (건초 4등급)로, 건물 소화율은 72.9%에서 54.7%로 감소하였다. 원주 섬강 주변 야초류는 곤포수확 작업에 어려움이 있었으며, 초장 130 cm의 갈대는 조단백질 8.5%, 상대사료가치 82.3 (건초 4등급), 건물 소화율 70.2%로 사료가치는 높았으며, 220㎝의 성숙한 갈대는 조단백질 10.2%, 상대사료가치 65.1 (건초 5등급), 건물 소화율 48.9%로 볏짚 대비 조금 나은 것으로 평가되었다. 전남영광지역에서는 와탄천 주변에 자생하는 갈대를 수거 이용하고자 시도하였으나 경제성이 없어 중단하였다. 이상의 결과를 종합하여볼 때, 갈대, 억새 등 야초류는 현 상태에서 최대한 수거·이용하되, 사료가치를 유지하고 가축 기호성이 양호한 시기에 수확하는 것이 중요하며, 최소한 볏짚과 비슷하거나 그 이상의 사료가치를 기대하기 위해서는 7월 중순 이전(늦어도 7월까지)에 수확·이용하는 것이 권장된다. This study was carried out in 2010 to investigate the utilization and forage quality of native grasses, such as Phragmites communis which might reduce the cost of feeding domestic cattle. The regions surveyed were the Haenam ranch in Haenam, Pyeongchang, Wonju, and Yeonggwang. In Haenam, yearly silage production harvested from 300 ha was 2,000 MT (7 MT/ha). All of those round bale silages were self-consumed in that region, and marketing price was 50,000 55,000 won per roll (110 won/㎏). Phragmites communis of 150 ㎝ in length contained 8.4% crude protein (CP) with relative feed value (RFV) 71.9 and 60.1% in vitro dry matter digestibility (IVDMD), which was somewhat more favorable than forage quality of rice straw. The silage quality of Phragmites communis varied greatly by the time of harvest (CP 4.7 6.4%, RFV 62.2 78.9, and IVDMD 41.9 53.9%), even with the same district and of the same original forage materials. Generally, the quality of Phragmites communis silage of was poorer than that of sorghum * sudangrass hybrid. In Pyeongchang, forage quality of Phragmites communis was decreased from 13.9% to 7.6% in CP, 90.7 to 76.1 in RFV, and 72.9% to 54.7% in IVDMD, as plant was getting mature, from 79 ㎝ to 117 ㎝, 121 ㎝ or to 142 ㎝ in length. In Wonju, the quality values of Phragmites communis of 130 ㎝ in length were 8.5% CP, 82.3 RFV and 70.2% IVDMD, while those of matured grasses of 220 ㎝ in length were lower (10.2% CP, 65.1 RFV and 48.9% IVDMD), but this was a little more favorable than quality of rice straw. In Yeonggwang, feeding Phragmites communis was tried in a Hanwoo feed, but stopped due to low profitability. In conclusion, the overall quality of most native grasses including Phragmites communis in this survey was poor. Therefore, we recommend that Phragmites communis and native grasses should be harvested on June or July to obtain richer forage quality in forage values than rice straw.
( Jin Woo Choo ),( Soung Won Jeong ),( Jae Young Jang ),( Jin Nyoung Kim ),( Soon Ha Kwon ),( Sae Hwan Lee ),( Sang Gyune Kim ),( Sang Woo Cha ),( Young Seok Kim ),( Young Deok Cho ),( Hong Soo Kim ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.1
Background/Aim: The HCV RNA viral load is the predictive factor for sustained viral response in the treatment of chronic hepatitis C. However, it has been reported that HCV RNA viral load is not predictive of eventual outcome of chronic hepatitis C. The relation between HCV RNA viral load and clinical outcome of hepatocellular carcinoma (HCC) is not elucidated, yet. We investigated the relation of HCV RNA viral load to the clinical outcome in HCC. Methods: Among 453 HCC patients, 34 consecutive patients diagnosed with chronic hepatitis C virus infection were classified into two groups by HCV RNA viral load. Group I (n=19) was defined as low HCV RNA viral load less than 2x106 copies/ml, and Group II (n=15) defined as high HCV RNA viral load over 2x106 copies/ml. Characteristics of HCC, complications of cirrhosis, and overall survival were compared between the two groups. Results: Sixteen patients were male (47.1%) and the median age was 69 years. There was no significant difference in age, gender, Child-Pugh score, MELD score, tumor stage, portal vein invasion, distant metastasis, α-fetoprotein, and histology between the two groups. For complications of cirrhosis includeing variceal hemorrhage, ascites, hepatorenal syndrome and hepatic encephalopathy during follow up, there was no significant difference between both groups. Median overall survival was 48.7 months (95% CI, 30.9-66.6) for group I and 54.0 months (95% CI, 36.1-71.9) for group II. (p=0.859). Conclusion: HCV RNA viral load did not affect the clinical outcome in patients with hepatocellular carcinoma.
Performance Analysis of DS/CDMA DPSK System with PLL Gain
Jang, Moon-Kee,Kim, Joon-Bae,Kim, Won-Sub,Ju, Jong-Hyuk,Park, Jin-Soo 청주대학교 산업과학연구소 2003 産業科學硏究 Vol.20 No.2
이동통신채널에서 수신된 신호는 다중경로 페이딩에 의해 진폭과 위상에 영향을 받게 된다 따라서 본 논문에서는 송수신기 사이에서 발생된 위상차를 Tikhonov 확률밀도함수로 모델링하고 PLL 이득에 따른 DS/CDMA/ DPSK 시스템의 성능을 분석하였다. 그 결과, 본 논문에서 제안된 시스템에 PLL의 이득을 조정함으로써 위상이 완전 동기된 DPSK 시스템의 성능에 근접하게 됨을 알 수 있었다 컴퓨터 모의실험결과, 제안된 시스템에서 PLL 이득이 1dB인 경우 두 시스템간의 성능차는 4.8dB, PLL이득이 7dB인 경우 0.4dB로 근접하는 것을 알 수 있었으며 PLL 이득을 30dB 이상인 경우 제안된 시스템이 완전동기된 DPSK 시스템과 같은 성능을 나타냄을 알 수 있었다 A received signal in mobile communication environments exhibits variation in both amplitude and phase due to the multipath fading Therefore we analyzed the performance of DS/CDMA (Direct Sequence / Code Division Multiple Access) DPSK(Difference Phase Shift Keying) system for the variations of PLL(Phase Locked Loop) gain with Tikhonov probability density function, assuming that the phase difference between transmitter and receiver signals is phase error As a result, it is discovered that the performance of system could be improved by the control of PLL gain in compared w t h the DPSK system which does not consider the phase error If the PLL gain is 1dB, the difference of two systems is 48dB and 04dB at 7dB And if 30dB, it coincides From above, it also verified that the limit of gain is 30dB
( Jin Woo Choo ),( Soung Won Jeong ),( Jae Young Jang ),( Jin Nyoung Kim ),( Soon Ha Kwon ),( Sae Hwan Lee ),( Sang Gyune Kim ),( Sang Woo Cha ),( Young Seok Kim ),( Young Deok Cho ),( Hong Soo Kim ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.1
Background/Aim: Transarterial chemoembolization (TACE) has been recommended as non-curative first line therapy of hepatocelluar carcinoma (HCC). There is limited information about the recurrence after TACE induced complete response (CR). The aim of this study was to investigate the predictive factors of HCC recurrence after TACE induced CR. Methods: Among 272 HCC patients treated with TACE, 39 consecutive patients who achieved CR after TACE were evaluated. Complete response was defined as the disappearance of any intratumoral arterial enhancement in all target lesions after TACE according to modified RECIST. We analyzed the factors related to recurrence including age, gender, presence of hepatitis B virus (HBV) infection, Child-Pugh score, MELD score, α-fetoprotein (AFP), tumor diameter, and tumor stage. Results: The median age was 61 years and there were 25 males (64.1%). The clinical characteristics of the 39 patients are as follows; presence of HBV infection (26/39), Child-Pugh score (6.33±1.93), MELD score (11.23±3.32), AFP (601.79±2032.10), tumor diameter (3.22±2.72), stage I/II/III (15/16/8). Age, gender, presence of HBV infection, Child-Pugh score, MELD score, AFP, and tumor diameter showed no significance for recurrence of HCC. Advanced stage (stage III) was the only independent prognostic factor for the recurrence of HCC. Median recurrence interval was 2.9 months (95% CI 1.0-7.4) for Stage III and 10.1 months (95% CI 5.1-15.0) for Stage I and II (p=0.023). Conclusion: Advanced stage (stage III) was the prognostic factor of the recurrence in HCC after TACE induced CR.
Transcriptional Profiling of Differentially Expressed Genes in Porcine Satellite Cell
Jin Young Jeong,Jang Mi Kim,Ramanna Valmiki Rajesh,Sekar Suresh,Gul Won Jang,Kyung-Tai Lee,Tae Hun Kim,Mina Park,Hak Jae Jeong,Kyung Woon Kim,Yong Min Cho,Hyun-Jeong Lee 한국동물번식학회 2013 Reproductive & developmental biology Vol.37 No.4
Role of the modified Saengmaeksan(mSMS) in L-NAME-induced hypertension model
Jin Ki Jung,Hobin Moon,Won Hee Nam,Yun-Hwan Kang,Se-Jin Kim,Young Mi Seok,Hyun Hee Leem,Ji-Woon Jeong,Yu Jin Park,Min Ju Kim,Chae Suk Ra,Jiyoung Seo,Hye Won Shin,Bo Gyung Jang,Hyo Jung Kim 한국실험동물학회 2022 한국실험동물학회 학술발표대회 논문집 Vol.2022 No.7