• 마케팅과학연구
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• 제15권1호
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• pp.61-79
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• 2005

서비스 실패는 고객 충성도를 파괴시키는 잠재력을 가지고 있으므로 기업에서는 서비스 복구에 지대한 관심을 가지고 서비스의 질을 높이려고 노력하고 있다. 이러한 흐름에 따라 본 연구에서는 호텔이라는 특정 서비스 산업에서의 서비스실패와 복구전략에 대해 결정적 사건 기법을 이용하여 알아보았다. Hoffman et al.(1995)의 분류기법에 근거하여 416개의 자료가 분석을 위해 사용되었으며, 연구결과 업그레이드, 무료식사, 할인은 매우 효과적인 복구수단으로 나타났다. 일반적으로 무형적 복구보다는 유형적인 복구수단이 고객만족에 크게 영향을 주는 것으로 나타났다. 즉, 고객들은 보상에 근거한 복구형태를 더욱 선호하며 그들은 보상으로부터 보다 즉각적인 가치를 인식하는 것으로 보인다 하지만 무형적인 복구수단인 정중한 사과는 다른 세 가지의 유형적인 복구보다도 오히려 효과적인 것으로 나타났다. 또한 고객이 경험한 서비스실패의 심각성에 따라 그 고객의 재이용의도를 살펴본 결과, 심각성은 재이용의도에 부정적인 영향을 마치는 것으로 나타났다.

• 한국해양환경ㆍ에너지학회지
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• 제6권3호
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• pp.54-62
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• 2003

본 연구에서는 다양한 침몰선박 잔존유회수 방법 중에서 안전성과 경제성을 바탕으로 우리나라 해역특성에 적합한 무인 원격회수방법을 선정하였다. 이와 함께 우리나라 전 연안에서 회수작업을 실행할 수 있는 작업 수심 200m급 잔존유 무인회수시스템(Remotely Operated Recovery System)의 요구사양을 선정하고 회수장비에 대한 기본설계를 수행하였다.

• BMB Reports
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• 제37권3호
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• pp.356-361
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• 2004

To develop a simplified method that can rapidly prepare DNA microarray probes in a massive scale, a lambda phage genomic DNA-fragments library was constructed for the microarray-probes collection. Four methods of DNA band recovery from the first PCR products were tested and compared. The DNA microarray probes were collected by a novel method of nested PCR that was mediated by gel isolation of the first PCR products. This method was named GIN-PCR. The probes that were prepared by this GIN-PCR technique were used as subjects to fabricate a DNA microarray. The results showed that a wooden toothpick was superior to the other 3 methods, since this technique can steadily transfer the DNA bands as the template of the second PCR after the first PCR. A group of probes were successfully collected and DNA microarrays were constructed using these probes. Hybridization results demonstrated that this technique of DNA recovery and probe preparation was rapid, efficient, and effective. We developed a cost-effective and less labor-intensive method for DNA microarray probe preparation by nested PCR that is mediated by wooden toothpick transfer of the DNA bands in the gel after electrophoresis.

• 한국운동역학회지
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• 제21권3호
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• pp.259-268
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• 2011

This study aimed to examine the kinematic characteristics of the national elite cross-country skiers' double poling technique and to provide the quantitative data for better performance. Four male elite cross-country roller skiers skied maximum velocity with Double Pole technique. The cycle characteristics with angles of elbow, hip, and knee joint were analyzed. The results showed that CM velocity of the body was increased with the third cycle, the cycle time and length were also increased. The poling time and recovery time rate showed with 32.79%, 67.44% respectively. The joint angles with elbow, hip and knee were $106^{\circ}$, $133.14^{\circ}$ $156.87^{\circ}$ at pole in event, $158.94^{\circ}$, $65.7^{\circ}$, $140.19^{\circ}$ at pole out event. Elite skiers should decrease double poling time rate and increase recovery time rate in order to improve the double poling performance. The cycle length and velocity of the double poling should be increased for the better performance. The elbow angle should be minimized at pole in event with maximum extension until pole out event. The hip and knee angles should be increased for the recovery phase.

• Journal of Astronomy and Space Sciences
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• 제38권2호
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• pp.119-134
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• 2021

The data set collected during the night of the discovery of a minor body constitutes a too-short arc (TSA), resulting in failure of the differential correction procedure. This makes it necessary to recover the object during subsequent nights to gather more observations that will allow a preliminary orbit to be calculated. In this work, we present a recovery technique based on sampling the admissible region (AdRe) by the constrained Delaunay triangulation. We construct the AdRe in its topocentric and geocentric variants, using logarithmic and exponential metrics, for the following near-Earth-asteroids: (3122) Florence, (3200) Phaethon, 2003 GW, (1864) Daedalus, 2003 BH84 and 1977 QQ5; and the main-belt asteroids: (1738) Oosterhoff, (4690) Strasbourg, (555) Norma, 2006 SO375, 2003 GE55 and (32811) Apisaon. Using our sampling technique, we established the ephemeris region for these objects, using intervals of observation from 25 minutes up to 2 hours, with propagation times from 1 up to 47 days. All these objects were recoverable in a field of vision of 95' × 72', except for (3122) Florence and (3200) Phaethon, since they were observed during their closest approach to the Earth. In the case of 2006 SO375, we performed an additional test with only two observations separated by 2 minutes, achieving a recovery of up to 28 days after its discovery, which demonstrates the potential of our technique.

• ETRI Journal
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• 제28권4호
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• pp.435-443
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• 2006

This paper presents an efficient carrier recovery algorithm combined with a turbo-coding technique in a mobile communication system. By using a block turbo code made up of independently decodable block codes, we can efficiently recover the fast time-varying carrier phase as well as correct channel errors. Our simulation results reveal that the proposed scheme can accommodate mobiles with high speed, and at the same time can reduce the number of iterations to lock the phase.

• 대한수학회지
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• 제53권6호
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• pp.1411-1429
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• 2016

We consider the nite volume element method for elliptic problems using isoparametric bilinear elements on quadrilateral meshes. A gradient recovery method is presented by using the patch interpolation technique. Based on some superclose estimates, we prove that the recovered gradient $R({\nabla}u_h)$ possesses the superconvergence: ${\parallel}{\nabla}u-R({\nabla}u_h){\parallel}=O(h^2){\parallel}u{\parallel}_3$. Finally, some numerical examples are provided to illustrate our theoretical analysis.

• 정보처리학회논문지C
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• 제8C권6호
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• pp.775-782
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• 2001

최근 리눅스에 대한 사용이 빠른 속도로 증가하고 있다. 하지만 리눅스의 오픈 소스 정책에 따른 리눅스 보안의 필요성이 대두되어 리눅스 기반의 효과적인 암호 개발이 급속히 확산되고 있다. 하지만 암호는 본래 가지고 있는 키 관리의 어려움 때문에 여러 가지 문제가 발생할 수 있다. 이러한 암호의 사용이 야기하는 역기능을 해소하고 순기능을 지향하기 위해 키 복구에 대한 연구가 활발히 진행되고 있으며, 지금까지 많은 키 복구 기술들이 제시되어왔다. 본 논문에서는 IPSec(IP Security) protocol로 구현된 VPN(Virtual Private Network) 환경 하에서 종단간에 연결이 끊어졌을 경우 이에 따른 연결 재 설정에서의 시간적 소모를 줄이기 위한 방안으로 키 복구 기술을 이용한 메커니즘을 제안한다. 즉 제안한 KRFSH(Key Recovery Field Storage Header)라는 새로운 메커니즘은 VPN에서 SG와 호스트 사이의 터널 형성을 위한 세션 정보를 잃어버렸을 경우를 대비해서 세션 정보를 미리 저장해두고, 필요할 때 복구 할 수 있다. 이러한 메커니즘을 리눅스상의 IPSec 프로그램인 FreeS/WAN에 탑재함으로써, 위에서 언급한 VPN의 문제점을 해결한다.

• 대한용접접합학회:학술대회논문집
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• 대한용접접합학회 2002년도 Proceedings of the International Welding/Joining Conference-Korea
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• pp.378-383
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• 2002

In previous study, the decrease and recovery of total stiffness in welded structure was discussed on the basis of experimental examination through tensile loading and unloading test of welded specimen. The recovery of structure stiffness was caused by the release of welding residual stress through mechanical loading. In this study, analysis model that is indispensable for the effective application of MSR method was established on the basis of test and measurement result. Thermal elasto-plastic analysis for welding process was performed by non-coupled analysis. Analysis results of welding process were transfer to elasto-plastic model for tensile loading & unloading by restart technique. In elasto-plastic analysis model for mechanical loading & unloading, hardening appearance of weld metal was considered by rezoning technique and tying technique was used for JIG condition of test machine.

• International Journal of Korean Welding Society
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• 제2권1호
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• pp.29-32
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• 2002

In previous study, the decrease and recovery of total stiffness in welded structure was discussed on the basis of experimental examination through tensile loading and unloading test of welded specimen. The recovery of structure stiffness was caused by the release of welding residual stress through mechanical loading. In this study, analysis model that is indispensable for the effective application of MSR method was established on the basis of test and measurement result. Thermal elasto-plastic analysis for welding process was performed by non- coupled analysis. Analysis results of welding process were transfer to elasto-plastic model for tensile loading & unloading by restart technique. In elasto-plastic analysis model for mechanical loading & unloading, hardening appearance of weld metal was considered by rezoning technique and tying technique was used for JIG condition of test machine.