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Formic Acid 및 농후사료 첨가가 Silage 의 품질에 미치는 영향
고영두,문영식,류영우 ( Y . D . Ko,Y . S . Moon,Y . W . Ryu ) 한국축산학회 1986 한국축산학회지 Vol.28 No.1
This experiment was conducted to investigate the effects of formic acid and concentrates addition on moisture content, crude protein and pH of orchardgrass silage. The results obtained were summarized as follows: Moisture contents of silage were no significant differences between 21 and 60 days of ensiling periods, but significantly (P$lt;0.05) decreased as the levels of formic acid and concentrates addition increased. Crude protein content significantly (P$lt;0.01) increased in the formic acid treatment, but was no significant differences between the addition levels of concentrates. pH significantly (P$lt;0.01) increased with increasing concentrates by the aerobic deterioration of silage according to the passage of fermentation time in all the groups, and also increased in the control in treatment of concentrates addition and formic acid treatment.
Sudan - Sorghum Hybrid 의 생육시기와 절단길이가 Silage 의 사료가치에 미치는 영향
고영두,최낙민,문영식 ( Y . D . Ko,N . M . Choe,Y . S . Moon ) 한국축산학회 1985 한국축산학회지 Vol.27 No.6
This experiment was carried out to determine the effect of maturity stage and particle length on feeding value of silage made from sudan-sorghum hybrid (Pioneer 988). The silage was made from sudan-sorghum hybrid taken respectively at heading stage, milky stage, dough stage and yellow ripe stage and cut in 1.0, 2.5, 4.0 ㎝ at each stage of maturity. The feeding value of the silage was evaluted by determing the ruminal VFA and pH for two fistulated male sheep, and by making the digestibility experiment using a metabolism cage for six male sheep. The results obtained are summarized as follows; 1. The influence of the particle: length on the ruminal pH became high in the order of 2.5, 1, and 4㎝, and the pH became high as time passed away when ruminal fluid was taken. 2. The total VFA content way, the highst when particles were cut in length of 2.S㎝, and it decreased as time passed (P$lt;0.05). 3. The digestibility of the silage increased as the particle length reduced with crude protein crude fiber and NFE, but it decreased with crude fat. The digestibility of crude protein and crude fat was the highest at the heading sage, but the lowest at the yellow ripe stage. 4. The TDN content was the highest when particles were cut in length of 1.0㎝ (52.9%), the lowest when particles were cut in length of 4.0㎝ (51.3%), and it was the highest at the dough stage (58.1%), the lowest at the yellow ripe stage (49.9%). According to the above results, it could be suggested that the best silage of sudansorghum hybrid may be made from material taken at the dough stage and cut in 1.0 to 2.S㎝ particle length.
남기현(K. H. Nam),장덕호(D. H. Chang),문영식(Y. S. Moon) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.2Ⅱ
본 논문에서는 다양한 멀티미디어 스트림(multimedia stream)을 재생할 수 있는 DirectShow SDK를 이용하여, 비디오의 특수효과를 구현하기 위한 변환 필터(Transform filter) 제작 방법에 대해 소개한다. DirectShow는 여러 가지 포맷(MPEG, AVI, MOV, WAV)으로 부호화된 digital movie나 sound를 재생할 수 있는 run-time(.ocx)과 dynamic-link library (DLLs)를 제공하여 필터의 제작을 용이하게 한다. 본 논문에서는 디지털 영상 특수효과 중에서 Clip이라는 특수효과를 예로하여 변환 필터를 제작하는 방법을 소개한다. 또한 DirectShow Documentation에서 제공된 변환방법을 수정하여 변환필터의 입력 pin에서 출력 pin으로의 불필요한 복사를 줄임으로써 수행 속도를 개선하는 특수효과 구현 방법을 제시한다.