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김만달(M. D. Kim),홍성욱(S. W. Hong),현종훈(J. H. Hyun),조경학,김동국(D. K. Kim),이승준(S. J. Lee),K. H. Choi 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Missile Pod installing missiles and many components can be operated automatically for Hybrid Weapon System. this study has found out a dynamic characteristic about the changed structure of the missile pod. through this paper, first, Modeling and simulation was showed that can be adoptable the change structure for the missile pod through vibration and shock analysis by NASTRAN. Vibration test for this missile pod performs and verifies of the performance of this missile pod
강민수,고봉석,조성환,현종훈,김현호,현승구,고기정,박미혜 濟州大學校 農科大學 動物科學硏究所 1999 動物科學論叢 Vol.14 No.1
This study was conducted to the suckling behavior on the growth of Cheju native black piglet during the suckling period. The data for this study were obtained from 24 heads of Cheju native black piglet(fema1e 15 and male 9). The traits studied were composition of milk, body weight and comformation of piglets. The results obtained in this study are summaried as follows; 1. The composition of clostrum were 80.11 % water, 19.89 % solids, 7.46 fat, 8.95 % protein, 3.29 % lactose, 0.29% minerals, pH value was 6.42. The composition of normal milk were 83.81 % water, 16.19 solids, 5.79 % fat, 5.34 % protein, 4.28 % lactose, 0.77 % minerals, pH value was 5.49. 2. The body weight in female and male piglets, respectively was 1.01 and 1.17 kg at birth, 4.64 and 5.36 kg at 3 wk, 9.49 and 11.04 kg at 6 wk of age. There difference between male and female was significant(p<O.&). 3. The withers height in female and male was 15.47 and 16.43 cm at birth, 23.91 and 24.86cm for 3 wk, 30.47 and 32.14 cm for 6 wk old piglets, respectively. There difference between male and female was significant(p<0.05). The back height in female and male was 16.19 and 16.93 cm at birth, 25.34 and 26.36 an 16.50 after 3 wk, 32.06 and 33.71 cm after 6 wk, respectively. There dfference between male and female was significant(p<O.B). The croup height of female and male was 15.78 and 16.50cm at birth, 32.16 and 3 . 1 4 cm after 6 wk, respectively. There dfference between male and female ivas significant(p<O.05). 4. The body length in female and male piglets was 18.69 and 19.79 cm at birth, 32.22 and 33.86 cm after 3 wk, 42.59 and 43.07 cm after 6 wk, respectively. There dfference betiveen male and female ignificant(p<0.05). The chest girth in female and male piglets was 22.28 and 23.43 cm at birth, 38.31 and 39.6.1 cm after 3 wk. 37.81 and 50.00 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05). 5. The chest width in female and male was 513 and 5.36 cm at birth, 8.93 and 10.07 cm after 3 wk, 12.09 and 13.00 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05). The pine width in female and male was 2.03 and 2.71 cm at birth, 3.97 and 4.93 cm after 3 wk, 5.88 and 6.57 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05). 6. The shin circumference in female and male was 5.03 and 5.64 cm at birth, 7.34 and 7.79 cm after 3 wk, 8.86 and 9.36 cm after 6 wk, respectively. There difference between male and female was significant(p<0.05). The head length in female and male was 6.84 and 7.43 cm at birth, 9.87 and 10.21 cm after 3 wk, 12.41 and 13.00 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05). The head width in female and male was 4.16 and 4.57 cm at birth, 5.97 and 6.14 cm after 3 wk, 7.09 and 7.71 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05). 7. The ear length in female and male was 5.56 and 5.86 cm at birth, 8.47 and 9.14 after 3 wk, 10.78 and 11.50 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05). The ear width in female and male was 4.19 and 4.64 cm at birth, 6.03 and 6.43 cm after 3 wk, 8.09 and 8.64 cm after 6 wk, respectively. There dfference between male and female was significant(p<0.05). The tail length in female and male was 7.25 and 7.29cm at birth, 10.38 and 10.50 cm after 3 wk, 13.88 and 14.43 cm after 6 wk, respectively. There dfference between male and female was not significant(p<0.05).