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도로변 초미세먼지의 실시간 질량농도 및 부피농도 측정을 이용한 시간별 밀도 분석-광흡수 eBC에 대한 OPS 보정 중심
김은영(Eunyoung Kim),서석준(Seokjun Seo),김선문(Sunmoon Kim),정성운(Sungwoon Jung),이용민(Yongmin Lee),오세호(Sea-Ho Oh),박규태(Gyutae Park),김경훈(Kyunghoon Kim),김정화(Jounghwa Kim),홍유덕(Youdeog Hong),이태형(Taehyoung Lee),배민석(Mi 한국대기환경학회 2018 한국대기환경학회지 Vol.34 No.6
CTOC 에서 3주소 코드를 효율적인 스택 기반 코드로의 변환기 설계
김영국(Youngkook Kim),김기태(Ki-tae Kim),조선문(Sunmoon Jo),김웅식(Woongsik Kim),유원희(Weonhee Yoo) 한국정보과학회 2004 한국정보과학회 학술발표논문집 Vol.31 No.2Ⅰ
자바는 객체 지향 언어이고, 분산 환경을 지원하고, 플랫폼에 독립적인 장점을 갖지만 다른 C나 C++같은 컴파일언어에 비해서는 실행속도가 느리다는 단점을 가진다. 이러한 단점을 극복하기 뭐한 방법으로 네이티브 코드로의 변환, 코드 최적화, JIT 컴파일 방법등을 이용한다. 그러나 이전 방법들은 다음과 같은 한계점을 가진다. 클래스 파일을 네이티브 코드로의 변환은 플랫폼의 종속되고, 코드 최적화 방법은 고유의 최적화 방법만을 적용할 수 있었고 JIT 컴파일 방법은 한 번의 실행후 다음 실행해야 속도향상을 꾀할 수 있었다. 본 논문은 바이트 코드를 최적화하기 위한 자바최적화 프레임워크를 설명하고 자바최적화 프레임워크의 구성을 하는 부분중 3주소형식의 중간코드를 스택기반 코드로 변환하는 부분을 설계하고, 3주소 코드로 변환한 중간 코드를 스택 기반 코드로 변환하면서 생기는 괴다한 load/store의 문제점을 지적하고 그것을 해결할 수 있는 변환기를 제안한다.
Cho, Soohyun,Kim, Jongin,Kang, Sunmoon,Kang, Geunho,Seong, Pilnam,Park, Kyungmi,Ki, Kwangsuk,Kim, Hyunsub,Kim, CheonJei,Park, Beomyoung Korean Society for Food Science of Animal Resource 2012 한국축산식품학회지 Vol.32 No.6
This study was performed to investigate the physico-chemical properties of Holstein steer beef loin (M. longissimus dorsi) and top round (M. semimembranosus) from 18, 21 and 24-mon old. The loin and top round muscles from the 24-mon group had higher intramuscular fat content (%) than the other groups (p<0.05); however, the protein content was not significantly different among the 3 groups (p>0.05). With regard to meat color (CIE), the lightness ($L^*$), redness ($a^*$) and yellowness ($b^*$) values of the loin were significantly higher for the 21- and 24-mon groups, and those of the top round were significantly higher for the 21-mon group than the same cuts in the other groups. The Warner-Bratzler shear force was the lowest at 24 mon for both the loin and top round muscles (3.69 kg); however, the water holding capacity was significantly higher for loin muscles from the 21-mon group (54.53%, p<0.05). The loin muscles from the 24-mon group contained significantly higher levels of monounsaturated fatty acid and significantly lower levels of saturated fatty acid than those in the other groups (p<0.05). The tenderness, juiciness, flavor-likeness and the overall-likeness scores were significantly higher for beef from the 21- and 24-mon groups than that from the 18-mon group. The results of this study indicate that both the slaughtering age and muscle type significantly affect meat quality. Therefore, fattening the beef for more than 4 mon during the late fattening stage would be advantageous for the meat quality of Holstein steers.
촉매제 요소함량에 따른 Urea-SCR의 배출가스 현황 조사
임윤성(Yunsung Lim),이종태(Jongtae Lee),김선문(Sunmoon Kim),박장민(Jangmin Park),문선희(Sunhee Moon),김동민(Dongmin Kim),김형준(Hyungjun Kim),김정수(Jeongsoo Kim) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
Ministry of Environment prescribes urea water by Clean Air Conservation Act. Urea water manufaturer used urea(high purity) and distilled water. Urea contents must be 31.8 ~ 33.2% (m / m) by Clean Air Conservation Act. But urea water manufacturer should be prepared with a urea content exceeded or under. so this research is evalustion of exhaust emission according the concentration urea rate and urea water usage.
시금치 분말 및 농축액의 첨가 급여 수준이 난황 내 루테인 함량에 미치는 영향
강근호(Geunho Kang),김상호(Sangho Kim),김지혁(Jihyuk Kim),강환구(Hwanku Kang),김동욱(Dongwook Kim),나재천(Jaecheon Na),서옥석(Oksuk Suh),조수현(Soohyun Cho),성필남(Pilnam Seong),박범영(Beomyoung Park),장애라(Aera Jang),강선문(Sunmoon Ka 韓國家禽學會 2012 韓國家禽學會誌 Vol.39 No.1
This study was conducted to investigate the effect of dietary supplementation levels of spinach powder and extract on performance, egg quality and lutein content in egg yolk. Laying hens were subjected to one of the following treatments; C, basal diet (BD); T1, BD + 1 ppm lutein from spinach powder; T2, BD + 1 ppm lutein powder from spinach extract; T3, BD + 2 ppm lutein powder from spinach extract; T4, BD + 2 ppm lutein from spinach extract. As a result, performance of laying hens was no significant difference among treatments. T4 had a significantly (p<0.05) higher egg yolk color than the other treatments. As from the lutein content in egg yolk, T4 had a significantly (p<0.05) higher content than the other treatments. Finally, these results suggested that the dietary supplementation for lutein-rich egg production, lutein concentration must be higher than a minimum of 2 ppm. Also, dietary with lutein extract from raw materials was appropriate for lutein-rich egg production than dietary with raw materials.