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다중벽 탄소나노튜브를 함유한 Copolyamide 나노복합체의 제조와 물성
임재호,지민호,백두현,Lim, Jae-Ho,Jee, Min-Ho,Baik, Doo-Hyun 한국섬유공학회 2011 한국섬유공학회지 Vol.48 No.1
Copolyamide 66/6T/610 was synthesized by the condensation polymerization of polyamide 66, 6T, 610 salts. Copolyamide nanocomposites containing well-dispersed multi-walled carbon nanotubes (MWNTs) were prepared using a solution mixing method. The crystallinity increased with increasing MWNT content, suggesting that MWNT can help the copolyamide crystallize further. The copolyamide/MWNT nanocomposites also showed improved mechanical properties and electrical conductivity. Scanning electron microscopy of the fracture surfaces of the composite showed not only a uniform dispersion of MWNTs but also strong interfacial adhesion with the matrix, as evidenced by the presence of many broken but strongly embedded carbon nanotubes in the matrix.
만성뇌졸중 환자의 정서수준에 따른 정서표현 간의 상관관계
임재호 ( Jae Ho Lim ),김승태 ( Seun Tae Kim ) 한국고령친화건강정책학회 2014 대한고령친화산업학회지 Vol.6 No.1
연구목적 본 연구는 만성뇌졸중환자의 정서인식 수준에 따른 정서표현 간의 상관관계를 파악한 후 기초자료를 제공하고자 한다. 연구방법 2012년 8월 1일부터 8월 31일까지 대전·충남에 소재한 있는 2개의 요양병원과 1개의 종합병원에서 재활치료를 받고 있고, MMSE-K 점수가 20점 이상인 발병 후 6개월이 경과한 만성뇌졸중 환자101명 대상으로 설문 조사를 실시하였다. 측정도구로는 정서인식측정도구(TMMS), 정서표현측정도구(BEQ)를 사용하였으며, 자료분석을 위해 SPSS 18.0 프로그램을 사용하였다. 연구결과 정서인식 명확성과 정서표현 간의 관계를 알아보기 위해 상관분석을 한 결과, 정서인식 명확성은 긍정적 표현(r = .422, p<.001)과 부정적 표현(r = -.220, p<.05)에 유의한 상관관계가 나타났으며, 정서인식 명확성이 정서표현에 미치는 영향을 알아보기 위해 다중회귀분석결과 32.8%의 설명력을 가진 것으로 나타났다. 결론 이러한 연구 결과를 바탕으로 하여 만성뇌졸중 환자들의 정서인식 및 정서표현에 대한 의미를 논의하고 다양한 프로그램 개발이 필요할 것이다. Objective : In this study, it is intended to provide a basis for after correlating between the emotional expression corresponding to the emotion recognition level of chronic stroke patients. Methods : This study was in 2012 August 1 to August 31 in Daejeon and Chungnam two excellent care hospitals and one general hospital in the MMSE-K score more than 20 points six months after the onset of stroke in patients with chronic 101 people were surveyed. Measuring tool measuring tools include emotion recognition(TMMS), emotional expression measurement tools(BEQ) were used for data analysis program SPSS 18.0 was used. Results : The relationship between emotional expression and emotional awareness and clarity to see the results of correlation analysis, clarity of emotion recognition is a positive expression(r=.422, p<.001) and negative expression(r=-.220, p<.05) in showed a significant correlation, emotion recognition clarity to examine the effects of emotional expression for multiple regression analysis explained 32.8%. Conclusion : Based on these results, patients with chronic stroke, emotional awareness and discussion of the meaning of emotional expression and a variety of programs need to be developed.
경계 이론에 기반을 둔 동사 중첩의 문법 의미와 통사적 제약 고찰
임재호 ( Jae Ho Lim ) 한국외국어대학교 중국연구소 2011 中國硏究 Vol.52 No.-
"Boundary"theory discloses the nature of human cognition and thus is significant to linguistic studies. Systematic studies show that a structure should be defined by its boundary. Reduplication is an important linguistic device in Modern Chinese. We hope that through studying its semantic and syntactic characteristics we could achieve a satisfactory explanation of its motivation from Cognitive Linguistic perspective.
밀결합 전송선 상에서 전력 저감을 위한 코드워드 생성 기법
임재호(Jae-Ho Lim),김덕민(Deok-Min Kim),김석윤(Seok-Yoon Kim) 大韓電子工學會 2011 電子工學會論文誌-SD (Semiconductor and devices) Vol.48 No.11
반도체 공정의 발달로 인해 칩의 집적도가 높아졌으며 연결선 사이의 간격 또한 좁아지게 되었다. 그로 인해 연결선 내에 존재하는 커패시턴스와 인덕턴스가 증가하게 되었고 특히 전역 연결선들에서는 자신의 그라운드 커패시턴스보다 인접한 다른 연결선과의 결합 커패시턴스가 더욱 커지는 경향을 보이게 되었다. 이러한 현상으로 인해 발생하는 유도성 결합과 용량성 결합은 인접한 연결선의 신호 간섭으로 심각한 문제를 야기할 수 있다. 본 논문에서는 추가적인 연결선을 이용하여 신호 무결성을 저해시키는 누화잡음을 제거하면서 입력 데이터의 확률을 고려하여 동적 전력 소모를 최소화하는 코드워드 생성 기법을 제안하였다. 제안한 기법의 성능평가를 위해 FastCap 및 FastHenry 프로그램과 HSPICE를 이용하여 실험한 결과 소모 전력에서 기존 기법보다 평균 15% 정도의 감소를 보임을 확인하였다. As semiconductor process rapidly developed the density of chips becomes higher and the space between adjacent lines narrows smaller. This trend increases the capacitance and inductance in interconnects and the coupling-capacitance of adjacent lines grows even bigger than the self-capacitance of themselves especially in global interconnects. Inductive and capacitive coupling observed in these phenomena may cause serious problems in signal integrity. This paper proposes a codeword generation technique using extra interconnect lines to reduce the crosstalk caused by inductive and capacitive coupling and to reduce dynamic power consumption considering probability of input data. To estimate the performance of the proposed technique the experimental results have been obtained using FastCap FastHenry and HSPICE and it has been shown that the power consumption using the proposed technique has yielded approximately 15% less than the results of the previous technique.
하이드로싸이클론을 이용한 생산수의 모래 제거 효율에 관한 연구
임재호(Jae-ho Lim),김동관(Dong-kwan Kim),장호길(Ho-gil Jang) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
This paper presents hydrocyclone parameters related to separation efficiency for produced water treatment process in off-shore as a de-sander. Separation technologies using hydrocyclones have being used in a variety of process industries for over 100 years. Hydrocyclones are also used in produced water treatment process because of their obvious advantages such as simple structure, large capacity, low cost and small volume. However, there are a bit researches about produced water treatment using hydrocyclones in off-shore fields in a domestic industry. Experiments about hydrocyclone parameters related to separation efficiency such as flow rate, length of vortex finder and pressure drop were conducted. Glass bead(less than 50㎛) was used instead of sand and its concentration was 500~1,000ppm in water. Oil concentration in water was maintained as about 2,000ppm. In result of experiments, separation efficiency and pressure drop were increased by increasing flow rate. When flow rate were increased from 40lpm to 100lpm, pressure drop was increased from 0.3bar to 1.7bar and separation efficiency was increased from 84% to 97%.