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이광희,추영란 대구보건대학 1994 대구보건대학 論文集 Vol.14 No.-
A study was presented of the masurement of protein in fermented milk with the Folin reagent and with coomassie brilliant blue G 250. Inoculated skim milk was estimated in pH and protein concentration each 3hrs. Protein concentrations by lowry method were shownd various change and by braford method lower gradually. It seems that the protein concentration in fremented milk are influenced strongly by protease activity. The adventage of braford method is the simplicity and rapidity, but coomassie blue do not react with free amino acid and very small peptide.
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이광희,한동석,Lee, Kwang-Hee,Han, Dong-Seog 한국군사과학기술학회 2012 한국군사과학기술학회지 Vol.15 No.5
It is very important to place receiver in multistatic sonar. Inefficient placement of the receiver reduce detection probability and to increase the probability of detection should be used more receivers. Therefore, detection of targets in searching area, detection performance of limited receiver depends on how to place. Through the optimized receiver placement, detection area between each sonar as much as possible avoid duplication, as optimization, the minimum receiver can be maintained detection performance. In this paper we prove mathematical verification of maximum signal excess value based on sonar placement and we calculate a signal excess value by using computer simulations and suggest optimal sonar placement.
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전문가에 대한 평가의 접근방법과 한계 : 한국연구재단 연구사업관리전문가(PM)를 중심으로
이광희 대한지방자치학회 2018 한국지방자치연구 Vol.20 No.1
본 연구는 연구관리 전문기관에서 도입 확산되고 있는 전문가(Program Manager) 평가방법과 접근에 대해 한국연구재단의 운영 사례를 통해 바람직한 전문가 평가의 발전방향을 모색하는데 있다. 한국연구재단의 전문가에 대한 평가는 첫째, 목적달성 평가모형과 과정평가 접근방법이 혼재된 유형이다. 둘째, 고객지향적 접근방법과 반응적 접근방법을 선택하고 있으며 전문가의 업무수행과정에 대해 조직 내․외부의 이해관계자의 기대와 수요를 얼마나 만족시키는가에 평가의 초점을 두고 있다. 셋째, 전문가에 대한 평가의 목적은 전문성과 공정성, 책임성을 점검하면서 그 평가 결과를 서열화 하고 있다. 넷째 한국연구재단은 전문가 개인의 역량평가에 초점을 두고 있다. 결론적으로 한국연구재단의 전문가 평가는 다 측면의 평가를 모두 포괄하려는 모형으로 볼 수 있으나, 전문가 평가의 필요성에 대한 검토, 전문가 평가의 측정 및 척도의 일관성 등에서 한계점이 있다. This study first review the evaluation method for the expert and then do the case study for the expert(PM, program manager) in national research foundation of korea(NRF). First, the evaluation on expert performed by NRF shows the mixed model of objective oriented evaluation and formative evaluation. Second, NRF chose consumer oriented approach and responsive approach. Then, it focuses on how to the extent the expert responses to the consumer. Third, the objective of the evaluation on expert assesses expertise, equity, and responsibility. Fourth, NRF emphasizes the evaluation of individual capability for the expert. Finally, the evaluation of expert performed by NRF shows the general evaluation model, trying to include all evaluation model and method. Also, it limits the study about necessity of expert evaluation and the consistency of evaluation method index.
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이광희,라지영,안소연,김윤희 大韓小兒齒科學會 2010 大韓小兒齒科學會誌 Vol.37 No.4
유치열의 우식 패턴에 관한 연구의 일환으로 유치열 치아우식증의 구강내 대칭도를 조사하였다. 36개월 이상 71개월 이하 어린이의 치면별 우식경험을 조사한 자료를 분석하였다. 좌우 유치 dmfs 간 피어슨 상관계수는 0.558(상악 유견치) ~ 0.847(상악 유중절치)이었고, 전체에서 0.905이었으며, 모두 유의하였다(P<0.01). 좌우 값 간의 차이는 대부분 유의하지 않았다(P>0.05). 상하 유치 dmfs 간 피어슨 상관계수는 0.150(우측 유측절치) ~ 0.506(우측 제1유구치)이었고, 전체에서 0.680이었으며, 모두 유의하였다(P<0.01). 상하 값 간의 차이는 대부분 유의하였다(P<0.05). 우식경험이 있는 경우 중에서 양측성으로 있는 경우의 백분율은 유치가 34.0%(상악 유견치) ~ 80.1%(상악 유중절치)이었고, 치면은 상악 유중절치가 53.9%(원심면) ~ 84.9%(근심면), 상악 유측절치가 45.8%(근심면) ~ 68.0%(협면), 상악 제1유구치가 34.1%(근심면) ~ 45.0%(교합면), 상악 제2유구치가 20.7%(원심면) ~ 48.0%(교합면), 하악 제1유구치가 34.4%(협면) ~ 58.1%(교합 면), 하악 제2유구치가 29.7%(원심면) ~ 61.4%(교합면)이었다. This study was one of the caries pattern studies. The purpose was to investigate the degree of intraoral symmetry of dental caries in the primary dentition. The dmfs data from children aged 36 to 71 months were analyzed. Pearson correlation coefficients between right teeth and left teeth were from 0.558 (upper canines) to 0.847 (upper central incisors) and 0.905 in total (P<0.01). Differences between right teeth and left teeth were mostly not significant (P>0.05). Pearson correlation coefficients between upper teeth and lower teeth were from 0.150 (right lateral incisors) to 0.506 (right first molars) and 0.680 in total (P<0.01). Differences between upper teeth and lower teeth were mostly significant (P<0.05). Percentages of bilateral caries experience cases per cases having caries experience were from 34.0% (upper canines) to 80.1% (upper central incisors), and from 53.9% (distal) to 84.9% (mesial) in upper central incisors, from 34.1% (mesial) to 45.0% (occlusal) in upper first molars, from 20.7% (distal) to 48.0% (occlusal) in upper second molars, from 34.4% (buccal) to 58.1% (occlusal) in lower first molars, and from 29.7% (distal) to 61.4% (occlusal) in lower second molars, respectively.
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Room Temperature Baroplastic Processing of PS/PBA Nano-Blends
이광희,류상욱 한국고분자학회 2012 Macromolecular Research Vol.20 No.12
Room temperature baroplastic processing of polystyrene (PS) and poly(n-butyl acrylate) (PBA) was investigated through the formation of nanoblends of their polymer nanoparticles. Instead of core-shell or block copolymer structures, PS and PBA nanoparticles were synthesized separately through aqueous emulsion polymerization and then mixed and precipitated. The resulting nano-blends provided semi-transparent molding at 25 oC under applied pressure, resembling that of core-shell and block copolymer baroplastic systems. Differential scanning calorimetry measurements of the compressed samples revealed the presence of intermixing glass transition between the two components, which indicated baroplastic processing. However, PS/poly(lauryl methacrylate) blends exhibited no intermixing glass transition, indicating no pressure-induced miscibility between the two phases.
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