http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박용복,정남호,김홍석,최명숙 ( Yong Bok Park,Nam Ho Jeoung,Hong Seok Kim,Myung Sook Choi ) 생화학분자생물학회 1992 BMB Reports Vol.25 No.5
Cholesteryl ester (CE) transfer between lipoproteins was studied in vitro in various incubation mixtures containing isolated lipoproteins and an inhibitor of lecithin: cholesterol acyltransferase (LCAT). Isolated high-density lipoproteins (HDL) exhibited a significant amount of cholesteryl ester transfer activity. In incubations of HDL with very low-density lipoproteins (VLDL) at 37℃, decrease of free cholesterol (FC) in human VLDL was mainly associated with decrease of cholesteryl ester (CE) in HDL. In this system, FC of human VLDL was transferred to human HDL, but could not be esterified due to LCAT inhibitor resulting in an accumulation of FC in HDL fraction. However, CE in human HDL was transferred to human VLDL during the incubation. This appears to be the major mean for keeping cholesterol equilibrium between lipoproteins. Another results support that cholesteryl ester transfer protein (CETP) promotes both the exchange and net transfer of cholesterol species between lipoproteins and that the net transfer proceeds in the direction of HDL to lower density lipoproteins, which are well agreed with the previous reports. In efforts to simplify the CETP assay method, cholesteryl-[^(14)C]-oleate in reconstituted HDL (R_(HDL)) covalently bound to agarose beads was used as a CE donor. This simple evaluation of CE transfer activity did not require the time-consuming ultracentrifugation before and after the incubation, that has been used in the previous assay. It also eliminates the use of heparine-MnC1₂ or dextran sulfate-MgC1₂ for the precipitation of LDL or VLDL, that is relatively costly.
박용복(Yong-Bok Park),염정노(Jeong-No Yum),황인극(In-Keuk Hwang) 한국산업경영시스템학회 2005 한국산업경영시스템학회지 Vol.28 No.1
The outsole mold of the shoes has been manufactured using electro-discharge machining by graphite electrode or using casting etc. The study is concerned with the pattern design for the outsole of shoes by CAD, the modeling and the generation of NC data by CAM system and the machining by CNC machining center. The ball end mill and the engraving cutter is used as cutter and the cutting conditions are adjusted according to the shapes and sizes of the cutter and part in cutting. The method showed the possibility coping with the rapid change of shoes industry and proposed the possibility for higher productivity and quality on mold-manufacturing of shoes outsole.