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근원섬유단백질에 관한 연구 -제3보 Troponin-Tropomyosin Complex의 변화-
양융,이용규,Yang, Ryung,Lee, Yong-Kyu 한국식품과학회 1977 한국식품과학회지 Vol.9 No.4
근원성유로 부터 근수축조절단백질들을 추출정제하고 저장중의 변화를 연구하여 다음과 같은 결과를 얻었다. 1. ${\alpha}-actinin$은 그 분자형(分子形)이나 생물활성(生物活性)에 아무런 변화도 일으키지 않았다. 2. 근육저장중에 근원섬유의 troponin-troponin complex의 함량은 감소되고 있으며 troponin-tropomyosin complex의 troponin함유비(含有比)는 낮아지고 있다. The procedures for the Preparation of regulatory proteins of myofibrill were developed and postmortem changes in the regulatory proteins of myofibrill were investigated. Both the physiological property and molecular shape of ${\alpha}-actinin$ from pre-rigor muscle did not differ from those of ${\alpha}-actinin$ from post-rigor muscle. On the other hand, although tropomyosin of myofibril changed negligibly during the post-mortem storage of muscle, troponin of myofibril changed remarkably.
송양의(Yang-Eui Song),이용규(Yong Kyu Lee) 한국컴퓨터정보학회 2016 韓國컴퓨터情報學會論文誌 Vol.21 No.4
While the difficulty of the music can be classified by a variety of standard, conventional methods are classified by the subjective judgment based on the experience of many musicians or conductors. Music score is difficult to evaluate as there is no quantitative criterion to determine the degree of difficulty. In this paper, we propose a new classification method for determining the degree of difficulty of the music. In order to determine the degree of difficulty, we convert the score, which is expressed as a traditional music score, into electronic music sheet. Moreover, we calculate information about the elements needed to play sheet music by distance of notes, tempo, and quantifying the ease of interpretation. Calculating a degree of difficulty of the entire music via the numerical data, we suggest the difficulty evaluation of the score, and show the difficulty of music through experiments.
CNC와 CNC/Starch 표면코팅이 원지의 표면물성 및 배리어 특성에 미치는 영향
양승엽(Seung-Yeop Yang),정경모(Kyoung-Mo Jeong),원종명(Jong-Myoung Won),이용규(Yong-Kyu Lee) 한국펄프·종이공학회 2019 펄프.종이技術 Vol.51 No.1
Cellulose is the most abundant organic polymer in nature and can be extracted from renewable resources like wood and algae. Recently, studies for making nano-sized cellulose having different properties by comparing cellulose with original properties have been actively conducted. Therefore, in this study, we evaluated the applicability of nano-sized CNC (cellulose nano crystal) for paper coating, as a raw material obtained through the acid hydrolysis of cellulose. Experimental results showed that the CNC surface coating on base paper improved the strength and reduced the porosity and roughness of the paper. Furthermore, as the amount of coating increased, the gloss and barrier properties improved. In addition surface coating of CNC with starch, which is used as a surface sizing agent, pick-strength properties were improved, as indicated by the RI-II tester.
양승엽(Seung-Yeop Yang),정경모(Kyoung-Mo Jeong),원종명(Jong-Myoung Won),이용규(Yong-Kyu Lee) 한국펄프·종이공학회 2019 펄프.종이技術 Vol.51 No.1
In the field of papermaking, there are many studies on nano-cellulose with new materials. Nano-cellulose refers to a material made of cellulose, which is the most abundant nature organic polymer in nature, through mechanical, chemical, and biological treatments. In this study CNC (cellulose nanocrystal) prepared by chemical hydrolysis was added to the coating color and its performance was compared with CMC, and the physical properties of the coating color and coated paper were measured. The addition of CNC improved water retention and thickness of the coated paper, whereas paper gloss was decreased. We attributed this to uneven shrinkage during drying due to high water retention. Another positive results showed that the surface pick strength and printing gloss were improved with an increase of CNC dosage. However, the pick strength decreased more than CMC alone. Therefore, when applied to coating color, preliminary test is necessary to determine the appropriate amount of CNC addition according to the demand characteristics.
양병도(Byung-Do Yang),이용규(Yong-Kyu Lee) 대한전자공학회 2009 電子工學會論文誌-SD (Semiconductor and devices) Vol.46 No.5
본 논문에서는 공급전압의 전하를 재활용하여 전력소모를 줄인 저전력 SRAM(Low power SRAM using supply voltage charge recycling: SVCR-SRAM)을 제안하였다. 제안한 SVCR-SRAM은 SRAM 셀 블록을 두 개의 셀 블록으로 나누어 두 종류의 공급전압을 공급한다. 이중 하나는 VDD와 VDD/2이고, 다른 하나는 VDD/2와 GND이다. N비트 셀들이 연결되었을 때, VDD와 VDD/2의 전원으로 동작하는 N/2비트의 셀들에서 사용된 전하는 나머지 VDD/2와 GND의 전원으로 동작하는 N/2비트의 셀들에서 재활용된다. SVCR 기법은 전력소모가 많은 비트라인, 데이터 버스, SRAM 셀에서 사용되어 전력소모를 줄여준다. 다른 부분들에서는 동작속도를 높이기 위해 VDD와 GND의 공급전압을 사용하였다. 또한, SVCR-SRAM에서는 Body-effect로 인한 SRAM 셀들의 누설전류가 크게 감소하는 효과가 있다. 검증을 위하여, 64K비트(8K×8비트)SRAM chip을 VDD=1.8V, 0.18㎛ CMOS 공정으로 구현하였다. 제작된 SVCR-SRAM에서는 쓰기전력의 57.4%와 읽기전력의 27.6%가 줄었다. A low power SRAM using supply voltage charge recycling (SVCR-SRAM) scheme is proposed. It divides into two SRAM cell blocks and supplies two different powers. A supplied power is VDD and VDD/2. The other is VDD/2 and GND. When N-bit cells are accessed, the charge used in N/2-bit cells with VDD and VDD/2 is recycled in the other N/2-bit cells with VDD/2 and GND. The SVCR scheme is used in the power consuming parts which bit line, data bus, word line, and SRAM cells to reduce dynamic power. The other parts of SRAM use VDD and GND to achieve high speed. Also, the SVCR-SRAM results in reducing leakage power of SRAM cells due to the body-effect. A 64K-bit SRAM (8K×8bits) is implemented in a 0.18㎛ CMOS process. It saves 57.4% write power and 27.6% read power at VDD=1.8V and f=50㎒.