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Avoiding entanglement sudden death using single-qubit quantum measurement reversal.
Lim, Hyang-Tag,Lee, Jong-Chan,Hong, Kang-Hee,Kim, Yoon-Ho Optical Society of America 2014 Optics express Vol.22 No.16
<P>When two entangled qubits, each owned by Alice and Bob, undergo separate decoherence, the amount of entanglement is reduced, and often, weak decoherence causes complete loss of entanglement, known as entanglement sudden death. Here we show that it is possible to apply quantum measurement reversal on a single-qubit to avoid entanglement sudden death, rather than on both qubits. Our scheme has important applications in quantum information processing protocols based on distributed or stored entangled qubits as they are subject to decoherence.</P>
은행의 점포특성 및 서비스품질이 재이용의도에 미치는 영향에 관한 연구
임명택(Lim, Meong-tag),최민섭(Choi, Min-seub) 한국주거환경학회 2015 주거환경(한국주거환경학회논문집) Vol.13 No.1
The study aimed the effect of the reuse intention for the service quality on the nine bank branches by surveying 710 bank users in Seoul; The data were analyzed to find out the causality between quality of services, customer satisfaction, a feeling and intention for reusing the bank branches. The quality of bank branch service was measured based on the SERVQUAL model and the structural equation model to observe the causal connection for the customer satisfaction by using the SPSS 20.0 & AMOS 20.0 package program. The following is the main results from the causality effect model that indicates the customer satisfaction and the feeling of reusing bank branches by the six quality factors of the service quality. First, it was shown that the service quality directly affected the customer satisfaction. Second, it was shown that the service quality directly affected the feeling and intention of reusing the bank branches. Third, the customer service quality was shown in order of priority in effects ; Reliability factor, Empathy factor, Accessibility factor, Responsiveness factor.
Plastic house의 형태, 재배양식 및 시설내 위치에 따른 기상환경의 차이가 암면재배 오이의 생장에 미치는 영향
임준택(June Tag Lim),임정묵(Jung Mook Lim),권병선(Byung Sun Kwon),신동영(Dong Young Shin),현규환(Kyu Hwan Hyun),김학진(Hak Jin Kim),정순주(Soon Ju Chung),이범선(Beom Seon Lee) 한국자원식물학회 2006 한국자원식물학회지 Vol.19 No.2
재배시기, 시설형태 그리고 시설내 계배위치에 따른 가상환경의 차이와 이에 따른 양액계배 오이의 생장 반응을 알아보기 위하여 여름재배와 억제재배, 1-2W형 하우스와 무기둥 하우스에 양액계배를 통해 오이를 패배한 후 시설내 부위별 기온, 상대습도, 일사량과 생장해석을 통해 얻어진 생리적 형질들을 조사하여 비교한 결과는 다음과 같다. 하우스 내부의 평균기온이나 평균상대습도는 하우스 형태간 유의한 차이가 없었으나 일사량은 1-2W형 하우스가 무기둥 하우스에 비해 유의하게 높았다. 일누적일사량은 1-2W형에서는 남서쪽이 무기둥 하우스에서는 북서쪽이 대체로 높았다. 초장과 엽수는 억제재배보다 여름재배에서 높게 나타났으며 엽면적은 억제재배에서 많았다. 상대생장율은 순동화율 및 엽면적비율과 고도로 유의한 정의 상관관계를 보였으며 상대생장율에 대한 기여도는 순동화율이 엽면적비율보다 높은 것으로 나타났다. 작물생장율은 엽면적지수와 고도로 유의한 정의 상관을 보여 엽면적지수의 증대가 단위면적당 생산량의 증대에 크게 영향하는 것으로 나타났다. 전 생육기간의 일평균기온는 상대생장을 및 순동화율과 고도로 유의한 정의 상관관계가 있었다. 억제재배에서는 전 생육기간의 누적일사량과 상대생장을 및 순동화율과 유의한 정의 상관관계가 있었다. This experiment was conducted to investigate the effects of climatic factors varied due to the type of plastic house, cultural season and location in the house on the growth of cucumber plants grown by nutrient solution. There were two growing periods, summer culture and retarding culture, two types of plastic houses, 1-2W type house and post-less house. Air temperature, relative humidity and amount of solar radiation in the plastic houses were measured. Also, dry weight of leaves and stems, plant height, number of leaves per plant, leaf area per plant and fresh weight of fruits per plant were observed. Plant growth analysis were conducted and interrelationships between climatic factors and physiological characteristics were investigated. The results were as follows. There were no differences between the type of plastic houses in the average air temperature and average relative humidity in the plastic house, but amount of solar radiation in 1-2W type house was significantly higher than that of postless house. Daily cumulative solar radiation were highest in southwest side of 1-2W type house and northwest side of postless house. Plant height and number of leaves per plant were higher in summer culture than retarding culture, while leaf area per plant was higher in retarding culture than summer culture. Relative growth rate (RGR) showed highly significantly positive correlations with net assimilation rate (WAR) and leaf area ratio (LAR). Contribution of NAR to RGR was much higher than that of LAR. Crop growth rate (CGR) showed highly significantly positive correlations with leaf area index (LAI). It appeared that increase of LAI was important to increase productivity of cucumber. Average daily air temperature for the whole growing period showed highly significantly positive correlations with RGR and NAR. Furthermore, cumulative solar radiation for the whole growing period in retarded culture showed significantly positive correlation with RGR and NAR.
Isolation of Streptomyces sp. YU100 Producing Extracellular Phospholipase D
LIM, SI KYU,CHOI, JAE WOONG,LEE, EUN TAG,KHANG, YONG HO,KIM, SANG DAL,NAM, DOO HYUN 영남대학교 약품개발연구소 2002 영남대학교 약품개발연구소 연구업적집 Vol.11 No.-
Soil samples were screened for actinomucete strains capable of producing phospholipase D, and a strain, Streptomyces sp. YU100, showing a high transphosphatidylation activity was isolated. This strain secreted phospholipase D in a culture broth after 12 h of cultivation, and its productivity continued to increases for 36 h of fermentation. In addituon, its transphosphatidylation rate of phosphatidylcholine to phosphatidylseine was almost 68% within 1 h. The morphological and chemotaxonomical characteristics showed that this strain could be classified as a number of the Streptomycetaceae family, particularly due to the spiral form of its spore chain consisting of 60-70 smooth spores (0.75×1.0??m) on an aerial mycelium, FA-2c type of fatty acid profile in the cell wall, and LL-DAP component in the cell wall peptidoglycan. A phylogenctic analysis of the 16S rDNA provided a clue that the strain YU100 was actually a member of the genus Streptomyces, because the determined sequence exhibited a higher homology with Streptomyes sp. ASB27, S. peucetius JCM9920, and S. griseus ATCC10137. A dendrogram based on the 16S rDNA sequences also showed a phylogenetic relationship between the strain YU100 and these strains. However, the strain YU100 has not yet been assigned to a particular species, because of absence of any other classified species with a high matching score.
임정환,오봉렬,나국주,김현수,윤한덕,허 탁,조석주,민용일 大韓應急醫學會 1996 대한응급의학회지 Vol.7 No.1
The evaluation of patients with microscopic hematuria after blunt abdominal trauma has become controversial. We tested the hypothesis that renal contusion can be diagnosed clinically and that these patients do not require radiographic evaluation. To evaluate the association of microscopic hematuria without shock and with renal injury, we reviewed the medical records of 252 patients following blunt abdominal trauma. Microscopic hematuria without shock was noted in 58 of 252 patients. Of the 58 patients 52 had renal contusion, 4 had renal laceration, 1 had a renal rupture and 1 had renal pedicle injury. All of the patients with renal contusions experienced no complications from nonoperative management. But, avoiding a radiopraphic evaluation in patients with blunt renal trauma plus microscopic hematuria and no shock would miss a few cases of severe renal injury.
Effect of Temperature on Fatigue Crack Growth in P92 Steel
Lim, Byeong Soo,Jeong, Chan Seo,Keum, Young Tag 대한금속재료학회 2003 METALS AND MATERIALS International Vol.9 No.6
Fracture at high temperature has become a critical problem for such high temperature components as those used in power plants or oil refinery plants, because both high operating temperature and pressure are required for better thermal efficiency. Therefore, it is very important to approach such problems from the viewpoint of high temperature material properties. Since fatigue and creep are closely related to such components failures, the fracture behavior in high temperature components must be evaluated through fatigue and creep crack growth tests, and based on these results, better operating conditions can be determined. In this study, recently developed P92 (9Cr-2W) alloy steel, which is a high strength material for high temperature use, is investigated and its fatigue crack growth has been characterized by Paris law. A series of high temperature fatigue tests were carried out at 400, 500, 550, 600, 625, 650, and 700 ℃ to verify the temperature effect. The results indicated that the Paris exponent remained at approximately the same value up to a certain temperature. From 600 to 700 ℃, creep rupture tests were conducted in order to investigate the creep behavior with temperature. Further analysis has also been carried out to investigate the effect of temperature on fracture mode shift, dimple formation, and its role in crack growth rate and deformability at high temperature.