http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
송영채(Y. C. Song),이영주(Y. J. Lee),이문용(M. Y. Lee),김태일(T. I. Kim) 한국레이저가공학회 2007 한국레이저가공학회 학술대회 논문집 Vol.2007 No.-
In the remote welding system using CO₂ laser, laser beam can be rapidly transferred to a workpiece by moving mirrors of scanner system. So, it makes reducing the cycle time of welding process. We can also use and apply various kinds of weld beads by linear controlled mirrors. But most of the domestic car makers have usually applied use stitch-shaped weld bead. In that case, we don"t have the merit of remote welding system efficiently. Therefore, in this paper, we investigated the characteristic of strength weld according to patterns of weld bead on CO₂ laser welding. And we also studied the relationship between shape of weld bead and value of tensile load.
김태일(T. I. Kim),송영채(Y. C. Song),이문용(M. Y. Lee),남기우(K. W. Nam) 한국레이저가공학회 2008 한국레이저가공학회지 Vol.11 No.1
In the remote welding system using CO₂ laser, laser beam can be rapidly transferred to a workpiece by moving mirrors of scanner system. So, it makes reducing the cycle time of welding process. We can also use and apply various patterns of weld beads by linear controlled mirrors. But most of the domestic car makers have usually applied use stitch-shaped weld bead. In that case, we don"t have the merit of remote welding system efficiently. Therefore, in this paper, we investigated the characteristic of weld strength according to patterns of weld bead on CO₂ laser welding. And we also studied the relationship between shape of weld bead and value of tensile load.
Extrusion 가공 처리한 계분의 대체 급여가 브로일러의 육성성적 , 도체성적 및 수익성에 미치는 영향
채병조,라창식,김창혁,송영한 한국동물자원과학회 2000 한국축산학회지 Vol.42 No.3
This study was conducted to investigate the feeding effects of extruded poultry manure(EPM) mixture on body weight gain, feed conversion ratio, body composition, panel test and profitability in broiler chicks. The tested EPM mixture was composed of 50% poultry manure, 30% ground corn and 20% tapioca. Protein content in diets was 21% for starter and 18% for finishing, but same energy content was maintained, 3,100 ㎉ for both. Feeding trial was done for six weeks with five treatment groups; control, 10% EPM, 20% EPM, 30% EPM and 40% EPM groups. Compared with control, body weight gain and feed conversion ratio were not significantly different in 10% EPM group (P$lt;0.05), but those were significantly decreased in other groups (EPM 20 to 40%). Carcass percentage was lower in all EPM groups, showing the higher EPM content, the lower carcass (P$lt;0.05). Contents of crude protein and fat in carcass were significantly higher in EPM groups than in control. Also, the fat content in carcass was proportional to the EPM content in diet. Any significant difference was not found in panel test among treatments. Regarding to feeding costs, the higher EPM content in diet was resulted in the lower cost. However, overall profitability was lower in EPM groups than in the control.