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이온수와 복합광물질 급여가 비육돈의 지방산 및 아미노산 조성에 미치는 영향
진상근,김일석,송영민,강석남,제윤종,오희석,민찬식,Jin, Sang-Keun,Kim, Il-Suk,Song, Young-Min,Kang, Suk-Nam,Je, Yun-Jong,Oh, Hee-Suk,Min, Chan-Sick 한국축산식품학회 2008 한국축산식품학회지 Vol.28 No.5
This study was conducted to determine the effects of ion water and premixed mineral supplementation on the growth performance, carcass, and meat quality parameters in finishing pigs (LY$\times$D). Each 20 pigs were randomly allotted to three treatments; CON (basal diet), T1 (CON diet added active water), T3 (T1 diet added 1.0% premixed mineral). Used ion water and premixed mineral consisted mainly of Zn and Si, respectively. Cholesterol content (mg% meat) were not differ significantly in the samples, however, the ratios of cholesterol to fat in T1 and T2 was significantly lower than the control (p<0.05). The fatty acid qualities of palmitic acid, linoleic acid, arachidonic acid, SFA (saturated fatty acid), EFA (essential fatty acid), and EFA/UFA ratio were the highest significantly, however, those of the oleic acid, UFA (unsaturated fatty acid), and UFA/SFA ratio were the lowest significantly in T2 (p<0.05). The amino acid levels of glutamic acid, alanine, leucine, lysine, total amino acids, and EAA (essential amino acid) were the highest in T1 (p<0.05). Whereas, the levels of serine, valine, isoleucine were the highest in T2 (p<0.05). The results indicate that dietary ionized water and premixed mineral affects fatty acid composition and improves amino acid composition.
이온수 및 복합광물질첨가 비육돈의 생산형질, 도체 및 육질 특성에 미치는 영향
진상근,김일석,송영민,강석남,제윤종,오희석,민찬식,Jin, Sang-Keun,Kim, Il-Suk,Song, Young-Min,Kang, Suk-Nam,Jong, Je-Yun,Oh, Hee-Suk,Min, Chan-Sick 한국축산식품학회 2009 한국축산식품학회지 Vol.29 No.2
This study investigated the effects of ion water and premixed mineral supplementation on the growth performance, carcass, and meat quality parameters in finishing pigs ($LY{\times}D$). Each 20 pigs were randomly allotted to three treatments; CON (basal diet), T1(CON diet added with active water), T2 (T1 diet added with 1.0% premixed mineral). Used ion water and premixed mineral were consisted mainly of Zn and Si, respectively. Daily weight gain feed efficacy were the highest in T2, while fat content was the highest in control (p<0.05) than the others. However, the slaughter qualities including dressing percent, backfat thickness, marbling score, meat color, meat texture, drip loss, meat separation and meat qualities including pH, cooking loss, water holding capacity (WHC), shear force, meat color, backfat color, meat texture were not significantly different (p>0.05) among the treatment groups. Panel test scores of tenderness were the highest in T2 compared to the others.
항우울제와 몽유병:Mirtazapine에 의한 증례 1례
정상근,오근영,조광현,황익근,Chung, Sang-Keun,Oh, Keun-Young,Cho, Kwang-Hyun,Hwang, Ik-Keun 대한수면의학회 2003 수면·정신생리 Vol.10 No.2
몽유병은 수면수반증으로 분류되는데, 항우울제와 기타 향정신약물에 의해 이차적으로 유발될 수 있다는 보고들이 있었다. 그러나, NaSSA(noradrenergic and specific serotonergic antidepressant)계열인 mirtazapine에 의해 유발된 몽유병에 대한 보고가 없었다. 저자들은 우울증 환자에서 mirtazapine 사용에 의한 몽유병 1예를 경험하였기에 관련 문헌들을 고찰하고 보고하는 바이다. Somnambulism is classified as a parasomnia and has been reported with the use of antidepressants and other psychotropics. However, to our knowledge, there have been no reports of somnambulism associated with the use of mirtazapine (a noradrenergic and specific serotonergic antidepressant;NaSSA). We experienced a case of the mirtazapine (30 mg/day)- induced somnambulism in a 65 year-old woman with major depressive disorder who has never been diagnosed as panic disorder, somnambulism, other parasomnias, neurological disorders (including epilepsy), and other medical diseases. The sleepwalking symptoms disappeared after the antidepressant was replaced with paroxetine (20 mg/day).
절연용 통기완충 시트와 폴리우레탄 도막 방수재를 복합 적층한 탈기 시스템에 관한 연구
오상근,박봉규,고장렬,박윤철,김수련,Oh, Sang-Keun,Park, Bong-Kyu,Ko, Jang-Ryeol,Park, Yoon-Chul,Kim, Su-Ryon 한국건축시공학회 2002 한국건축시공학회지 Vol.2 No.1
This study deals with the characterizing and the application like as insulation materials in the joint part in concrete surface layer and waterproofing sheet especially for roof slabs. Using steel materials and butil-rubber tape to band waterproofing sheet and concrete surface together before this waterproofing system will be applied. It can be expected to both the curability and the watertightness by coating poly-urethane 2 or 3 times with sheet surface. Therefore this waterproofing system can be possible to protect water without the damage when vapor is going out from concrete and without air pockets because of the difference temperature inside and out. This system particularly consists of air bents and elastic waterproofing sheet considering the physical damage while water can cause purely physical damage. This system is one of the most efficient ways of waterproofing system without air pocket.
다중해상도 영상정보를 이용한 가보필터 기반 지문영상 개선
오상근,박영섭,박철현,김범수,원종운,박길흠,Oh Sang-Keun,Park Yeung-Sub,Park Chul-Hyun,Kim Bum-Su,Won Jong-Un,Park Kil-Houm 한국통신학회 2004 韓國通信學會論文誌 Vol.29 No.11C
본 논문은 영상의 다중 해상도 정보를 이용하여 지문영상을 개선하는 새로운 방법을 제안한다. 지문영상에서 융선 진행의 변화가 심한 특이영역에서는 화소단위의 필터링을 수행하고, 완만한 변화를 보이는 영역에서는 블록 단위의 필터링을 선택적으로 수행함에 따라, 개선영상의 품질은 향상되며, 연산 량은 감소한다. 실험에 따르면 화소단위의 필터링에 의한 개선 방법에 비하여 연산 속도는 매우 빨라졌으며, 결과영상으로부터의 특징점 인식율의 비교에 따라 개선영상의 품질이 향상됨을 확인할 수 있었다. A new fingerprint image enhancement algorithm using multiresolution information and Gabor filter is proposed in this paper. The proposed algorithm performs selection of the region in image according to inclusion of singular points and then performs enhancement using Gabor filtering of the region adjusted in its size. Gabor filter using representative direction in the same block is used in the region that the direction of ridge is not changed much, while Gabor filter using pixel based direction is used in the region that the direction of ridge is changed much. This method can reduce processing time for enhancement using Gabor filter and preserve the merit of Gabor filter.
수용성 뿜칠형 고무 아스팔트 방수재의 시공성 평가에 관한 연구 - 재료 조건을 중심으로 -
오상근,배기선,이원헌,곽규성,최은수,Oh, Sang-Keun,Bae, Kee-Sun,Lee, Won-Hun,Kwak, Kyu-Sung,Choi, Eun-Su 한국건축시공학회 2003 한국건축시공학회지 Vol.3 No.2
This study deals with the estimation of material properties according to the construction condition for water-soluble rubberized asphalt waterproofing material of spray type. In this study, the waterproofing material property by the spray construction method is suggested by means of estimation its tensile performance and temperature dependency according to mix proportion ratio(4:1, 8:1), referenced viscosity and solid content (A:360cps, 76%, B:580cps, 79%, C:490cps, 70%), spray angle($30^{\circ}$, $45^{\circ}$, $60^{\circ}$), and spray distance(30cm, 50cm, 70cm). The result of testing are as follows. (1) The mix proportion ratio of principal agent and hardener is 4:1. (2) The viscosity referenced and solid content are 490cps and 70%. (3) The spray angle referenced is $45.^{\circ}$ (4) The distance referenced from concrete surface to spray gun is 40~50cm.