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류경인 (사) 한국조리학회 2001 한국조리학회지 Vol.7 No.2
A Study on the improvement Method of Domestic Franchise System based on the study through the Dispute cases. Future franchise operating is hard to survive if it has it's own competitive power in the fair trade. So first of all, Headquarter of franchise has the competitive power. Second, it has knowhow, because that knowhow is driving force which can lead a member of franchiser. third, it can supply tableware and materials without a hitch. In the conclusion, franchise operator has the competitive power that are difference and fair trade. Also, when franchiser always cooperate franchise operating, that contributed much to the growth of the foodservice. In the future, the study on foodservice of franchise should be go on more deeply.
강성도 국부 변환 신축성 기판 위에 제작된 박막 트랜지스터 기반 변형률 센서
조영민,류경인,정성준 한국센서학회 2023 센서학회지 Vol.32 No.6
Stiffness-engineered stretchable substrate technology has been widely used to produce stretchable displays, transistors, and integratedcircuits because it is compatible with various flexible electronics technologies. However, the stiffness-engineering technology has neverbeen applied to transistor-based stretchable strain sensors. In this study, we developed thin-film transistor-based strain sensors on stiffness-engineered stretchable substrates. We designed and fabricated strain-sensitive stretchable resistors capable of inducing changes indrain currents of transistors when subjected to stretching forces. The resistors and source electrodes of the transistors were connectedin series to integrate the developed stretchable resistors with thin-film transistors on stretchable substrates by printing the resistors afterfabricating transistors. The thin-film transistor-based stretchable strain sensors demonstrate feasibility as strain sensors operating understrains of 0%–5%. This strain range can be extended with further investigations. The proposed stiffness-engineering approach willexpand the potential for the advancement and manufacturing of innovative stretchable strain sensors.
Grain Size Control of Rubrene Thin Films Using UV-cured Hydrophobic Polymer Insulator
임재민,한송연,김수진,정유정,류경인,김수연,권오은,최현호 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.1
Crystallinity of organic semiconductors is well-known to determine the optoelectrical performance of organic field-effect transistor (OFETs). Furthermore, the fabrication of well-defined polycrystalline micro-morphology and its electrical measurements allow to elucidate structure-property relationship of OFETs. Here, we demonstrate organic semiconductor thin films with well-defined spherulitic micro-domains. The growth and size of micro-sized spherulite significantly depend on the thickness of underlying UV-cured polymer insulators. As the thicknesses of polymer insulator increase from 20 nm to 150 nm, the size of spherulite domain was increased and then saturated. Furthermore, the saturation thickness was highly affected by the molecular weight of polymer layer.
김동관(Dong Kwan Kim),최진경(Jin Gyung Choi),권오도(Oh Do Kwon),이경동(Kyung Dong Lee),류경인(Kyoung In Ryu) 한국육종학회 2018 한국육종학회지 Vol.50 No.3
A cowpea cultivar ‘Okdang’ (Vigna unguiculata L. Walp) was developed by the Jeollanamdo Agricultural Research and Extension Services (JARES) in 2013 using the breeding method of pure line isolation applied to the foundation stock of IT45384. ‘Okdang’ has an erect plant type with an intermediate plant habit, green hypocotyls, heart leaflet, orange yellow seed surface of faint luster, and brown and straight pods when matured. Its first flowering and maturing dates were approximately seven and ten days earlier than that of the control cultivar ‘Seoweon’. The stem length of ‘Okdang’ was 42 cm, which was 57 cm shorter than that of the control cultivar. Its 100-seed weight was 16.6 g, which was heavier than that of the control cultivar by 5.9 g. The weight ratio of the seed coat for the entire seed was 12%, which was 1.4%p lower than that of the control cultivar. Its field resistance to leaf and systemic diseases was as strong, or slightly weaker than that of the control cultivar. In addition, ‘Okdang’ had a high lodging resistance. The average yield of ‘Okdang’ was 1.85 ton/ha, which was 40% higher than that of the control cultivar ‘Seoweon’ (Cultivar registration number: 5879).