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Fourier 변환 모아레 간섭에 의한 이차원적 변형률 해석
韓應敎,森本 吉春,嶋田 泰造,朴斗源 한국비파괴검사학회 1992 한국비파괴검사학회지 Vol.12 No.1
Moire interferometry using a diffraction grating and a laser is a powerful technique for analizing small deformation of a specimen. In the method, the x and y-directional fringe patterns are obtained by using the x and y-directional sets of two beams. If the both sets of two beams are simultaneously incident to the specimen, the x and y-directional fringe patterns are super imposed. In the case, it is difficult to separate each directional fringe pattern. Therefore each fringe pattern has been separately recorded by selecting each set of two beams. In order to analyze a two-dimensional strain changing with time, Moire interferometry using the two-dimensional fourier transform method is proposed and the x and y-directional fringes are separated. By this method, the thermal deformation of a glass plate is analyzed.
Vibrio cholerae Serogroup Non-01에 의한 간경변 환자의 패혈증 3예
시마다 도시오,전재윤,정재복,이상인,이삼열,정윤섭 대한감염학회 1991 감염 Vol.23 No.2
In Korea, highly fatal Vibrio vulnificus septicemia is not a rare disease. V. cholerae serogroup non-O1 causes intestinal and extraintestinal infections. In 1987 and 1989, the authors isolated V. cholerae O5, O10 and O24 from blood cultures of three patients with liver cirrhosis. Two patients ate raw sea food before the infection. The growths of the isolates from blood cultures were detected relatively rapidly. Some of the biochemical characteristics of the isolates were similar to those of other species, but API 20E and Vitek systems correctly identified them. The isolates were susceptible to various antimicrobial agents and the patients recovered after antimicrobial therapy. It is concluded that as the infection is not rare in Korea, both clinicians and microbiologists should consider the possibility of V. cholerae non-O1 infection, besides V. vulnificus infection, when they have septicemic patients during the summer months.
EFFECT OF MILK YIELD ON GROWTH OF MULTIPLE CALVES IN JAPANESE BLACK CATTLE (WAGYU)
Shimada, K.,Izaike, Y.,Suzuki, O.,Kosugiyama, M.,Takenouchi, N.,Ohshima, K.,Takahashi, M. Asian Australasian Association of Animal Productio 1992 Animal Bioscience Vol.5 No.4
An experiment was conducted to examine the feasibility of producing multiple calves using embryo transfer in Japanese Black cattle. Milk yield of cows and forage intake of calves were measured for 11 cows with single calves, 14 cows with twins and one cow with triplets. The means of 26 weeks cumulative milk yield were 854, 1028 and 1271 kg for cows having singles, twins and triplets, respectively. Male birth weights for single calves, twins and triplet were 34.9, 26.6 and 19.9 kg, and female ones were 31.7, 24.1 and 22.1 kg, respectively. Weight and daily gain of calves were affected by weeks (W), sex (S), the number of calves (N), parity, birth season, $W{\times}N$, $S{\times}N$ and regression on milk yield. Growth rate was higher for single calves than for twins until about 9 weeks of age, then weights increased at a similar rate. Male calf weaning weights for singles, twins and triplets were 207.0, 177.1 and 162.2 kg, and those for females were 185.4, 151.6 and 180.4 kg, respectively. Average regression coefficients of calf growth on milk yield were significant, and single calf was affected more than twin calves by increment of milk yield. As the number of calves per cow increased, hay intake of calves decreased and concentrate intake tended to increase between 6 and 13 weeks of age.
MILK YIELD AND ITS REPEATABILITY IN JAPANESE BLACK COWS
Shimada, K.,Izaike, Y.,Suzuki, O.,Oishi, T.,Kosugiyama, M. Asian Australasian Association of Animal Productio 1988 Animal Bioscience Vol.1 No.1
Daily milk yield estimates were obtained on 74 lactations of 35 Japanese Black cows on weeks 1 to 9, 11, 13, 17, 21 and 26 postpartum using the weigh-suckle-weigh method. The data obtained were analyzed by least-squares procedures according to the models including the following effects; dam, lactation number, season of calving, week of experiment and partial regressions on the lactation number. The overall mean and standard error for daily milk yield was $4.55{\pm}0.04\;kg$. The milk yield declined essentially linearly throughout the experimental period. The main effects of lactation number, season of calving and week of experiment were highly significant. Differences in daily milk yield among cows were significant, and the repeatability was estimated as $0.60{\pm}0.06$. The overall means(kg) and repeat-abilities of cumulative milk yield for 1, 4, 9, 13, 17, 21 and 26 weeks postpartum were 41, 0.08; 166, 0.40; 361, 0.61; 503, 0.66; 632, 0.67; 749, 0.65 and 884, 0.58; respectively. The means of calf weight at birth and 26 weeks weight for different lactations ranged from 25.5 to 33.6 kg and 145.6 to 185.4 kg, respectively. Calf daily gains between experiment weeks were low in earlier stages of lactation.
Kitamura, C.,Yasuda, Y.,Kobayashi, T.,Nomura, T.,Shimada, K. Asian Australasian Association of Animal Productio 1999 Animal Bioscience Vol.12 No.6
To evaluate direct and maternal effects on calf market weight (CMW) and carcass weight (CW) in Japanese Black cattle under an animal model, genetic parameters were estimated using 51,320 records of CMW and 11,944 records of CW, respectively. Direct and maternal heritabilities, and direct-maternal genetic correlation were estimated to be 0.22, 0.06 and 0.27 for CMW, and 0.23, 0.12 and -0.40 for CW, respectively. Correlation coefficient between maternal breeding values for CMW and CW was 0.521 for 157 sires appeared in both CMW and CW data sets. These results suggest that the maternal genetic effect on pre-weaning growth carries over to carcass weight. Maternal breeding values for both calf market weight and carcass weight could be used as the indicator traits of maternal ability in Japanese Black cattle.