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숫소의 3 가지 다른 지방조직에 따른 지방종의 지방산조성
현기영(Key Y . Hyun),김영춘(Young C . Kim),김혜영(Hay Y . Kim),여영근(Young K . Yeo) 한국축산학회 1988 한국축산학회지 Vol.30 No.9
The fatty acid compositions of several lipid classes were observed in the intramuscular, intermuscular and subcutaneous adipose tissue from bullock. Generally, high polyenoic and low monoenoic acids were noted in PL classes (PC, P)r, PS and PI) except SM of the three tissues, compared to neutral lipids (TG and DG). High C20:4 of PL represents most of polyenoic acids from the three tissues. Only SM, which included considerably low polyenoic acids, had 024:0 and C24:1 in the tissues. In neutral lipids, intramuscular fat showed much higher polyenoic acids (around three times) than intermuscular and subcutaneous fats. The fatty acid variations between the adipose tissues account for different metabolic rates and dynamic roles according to the tissue sites.
김영춘(Y. C. Kim),김경웅(K. W. Kim) 한국트라이볼로지학회 2003 한국트라이볼로지학회 학술대회 Vol.37 No.-
As electrorheological fluid(ER fluid) has a characteristic that apparent viscosity varies when electric field applied, so rheological characteristic(yield stress & viscosity) changes in proportion to the electric field applied and the response time is very short within a few miliseconds. In case of using ER fluid for journal bearing as lubricant, it is estimated that it's possible to realize very effective journal bearing system that is not complicate and has a very quick response time. It is necessary to examine the influence of rheological characteristic that varies with electric field applied on bearing characteristic to apply ER fluid to journal bearing, however there are few studies for about that. As for the journal bearing, it comes under high shear flow mode that has shear rate range of 10³ ~10⁴ s?¹ because rotational speed is very high and clearance is small. But most of the studies for about ER fluid issued until now is about the range of 10~10² s?¹. So, there are a lot of difficulties to understand the characteristic of high shear flow mode and furthermore it is restricted to make an experiment for about the characteristic of ER fluid because of the limitation of experimental equipment. The equipment was prepared to make an experiment for high shear flow mode that has the range of 10³ ~10⁴ s?¹ using ER fluid that is composed of silicon oil with dispersed particle of starch. Using the above system, the fluid characteristic of ER fluid was studied.