• Proceedings of the KAIS Fall Conference
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• 2012.05a
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• pp.323-326
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• 2012

현재 우리나라의 경제 환경을 볼 때, 외부적으로는 석유를 비롯한 원자재 가격이 급등, 미국과 일본이 경제둔화, 거대 경제국가인 중국이 경제성장을 조정하고 있다. 국내에서는 수출증가에도 불구하고 기업들의 설비투자 부진, 실업률 상승 및 내수시장 침체 등으로 경제적 회복이 지연되고 있는 매우 어려운 상태에 직면해 있다. 이와 같이 급격하게 변화하는 경영 환경에서 생존하기 위해서는 인적자원 재개발 및 학습능력의 배양이 어느 때보다 중요하게 부각되고 있다. 인적자원의 능력을 파악하여 인원 선발이나 적재적소에 배치한다면 그 보다 더 나은 조직은 없을 것이다. 역동적 경영 환경 내에서 성공을 추구하는 각 기업은 끊임없는 변화에 적극 대응하여 새로운 변화를 창출해 나가는 인적자원의 능력배양을 기업성공의 중요한 요소로 보고 있다. 따라서 역동적 변화 속에 있는 기업은 변화에 효과적 능동적으로 대처할 수 있는 유연한 조직을 개발하여 고객만족 극대화, 종업원 만족 극대화, 인적자원 활용 극대화를 통하여 기업경쟁력 향상을 이룩할 수 있어야 한다. 이에 본 연구에서는 국내 기업 중 4조 2교대 근무 시스템을 도입하여 지식 근로자를 양성함으로써 큰 성공을 거둔 유한킴벌리의 고성과 근무 시스템의 도입부터 적용, 적용에 따른 성과까지의 전 과정을 심층 연구하여 이 시스템이 기업의 경쟁력을 향상 시키는 중요한 도구로 사용 된 수 있도록 연구 하고자 한다.

• Journal of Convergence for Information Technology
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• v.8 no.1
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• pp.147-152
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• 2018

A polarizing spectacle lens having a perfect blocking of ultraviolet light and a partial blocking of blue light and having photochromic properties has been developed. It is a functional spectacle lens which can be used as a spectacle lens in the daytime, which plays a role of sunglass in a space with strong ultraviolet rays, dramatically reducing glare caused by late-night driving or reflected light. Photochromism was recovered in 0.5 second dark reaction and 3 seconds recovery time. The polarization function was about 95%. Ultraviolet rays were completely blocked and blue light was reduced by about 30%. A lens that combines photochromic and UV blocking and polarization functions is the first attempt at investigating the domestic market.

• Journal of Chest Surgery
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• v.43 no.4
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• pp.433-436
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• 2010

Acute massive pulmonary artery embolism after pulmonary resection is very rare, but has a high mortality rate. This is one of the most severe complications after pulmonary resection. Acute pulmonary artery embolism developed suddenly in a patient who underwent lobectomy and was recovering without complications. Because the patient’s condition was aggravated after conservative treatment, we did emergency open embolectomy which was successful. Hence, we report this case with a literature review.

• Korean Journal of Social Welfare
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• v.68 no.2
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• pp.5-25
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• 2016

Despite previous literatures suggesting the co-occurrence of substance abuse and behavioral addiction, their relationship has not been systematically explored. Especially, college students are a high risk group for alcohol use and gambling activities and they have various psychosocial problems due to addictive behaviors. This study aimed to empirically examine that drinking problems predict gambling problems among college students. A total of 455 college students who experienced drinking and gambling completed a survey. Logistic regression analysis were performed. After adjusting for demographics and family related variables, drinking problems predicted the occurrence of problem gambling. Implications for social work practice, policy planning and research area on addiction are discussed.

• Journal of the Korean Geotechnical Society
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• v.18 no.6
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• pp.83-101
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• 2002

Elastic waves provide an important information about the soil mass in the near-surface. Soil properties in relation to elastic wave parameters are clarified to facilitate the application of geophysical technique to soil characterization. As an example, experiments are performed to gain further insight into the behavior of unsaturated particulate materials using bender elements. The small strain stiffness is continuously measured on specimens subjected to drying, and changes in stiffness are related to changes in interparticle forces such as capillarity, bonding due to ion sharing, buttress effect due to fine migration, and cementation due to salt precipitation. The rate of menisci regeneration is studied after a perturbation as well. Finally, several phenomena associated with the evolution of capillary forces during drying are identified.

• International Journal of Highway Engineering
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• v.10 no.4
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• pp.181-187
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• 2008

This paper presents the results of the effects on the inclusion of the pigment in the color asphalt mixture. The particle size of the pigment is extremely finer than that of the filler and should be reduced the amount of the filler used. It was found in the present practise that the total weight of 2% of the pigment in the weight of the total aggregate was used during the mix design. The extra inclusion of the pigment in the mixture increased the amount of the filler and affected on the volumetric properties such as void ratio and VMA. It has related with the performance and distress of the pavement and found that the mechanical properties have decreased.

• Proceedings of the Korean Society for Technology of Plasticity Conference
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• 2007.10a
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• pp.310-313
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• 2007

In roll forming process, a sheet metal is continuously progressively formed into a product with required cross-section and longitudinal shape, such as a circular tube with required diameter, wall-thickness and straightness, by passing through a series of forming rolls in arranged in tandem. In this process, each pair of forming rolls installed in a forming machine play a particular role in making up the required cross-section and longitudinal shape of the product. In recent years, that process is often applied to the bumper rail in the automotive industries. In this study, a optimal roll flower model and proper roll-pass sequence can be suggested by analyzing courcenter strain and longitudinal strain according to the roll-pass with FEM simulation. And also effects of the process parameters on the final shape formed by roll forming defects a evaluated.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.18 no.12
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• pp.3079-3084
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• 2014

When an integrated circuit device is burned out under high-intense radiation and device-level simulation that usually requires manufacturer's proprietary information is not available, experimental conformation of a failure mechanism is often the only choice. To distinguish Latchup from other causes experimentally, a new combination of multiple techniques have been developed and demonstrated. Power supply circumvention, hot-spot monitoring using an infrared camera, and supply current monitoring techniques were implemented for the conformation of the Latchup.

• Proceedings of the Korean Society of Propulsion Engineers Conference
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• 2010.05a
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• pp.401-405
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• 2010

An efficient performance model for scramjet engines has been proposed for scramjet performance design. In supersonic air intake design, the compression angles of the wedge were determined to maximize the total pressure recovery of the intake based on Oswatisch criterion. Both combustion models of chemical equilibrium and finite-rate chemistry model are implemented, and compared each model with the results by Starkey for Waverider engine configuration. Finally, the performance model of concern has been confirmed by conducting performance analysis with hypothetical mission profile and design conditions.

• Journal of Chest Surgery
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• v.35 no.6
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• pp.479-482
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• 2002

Aortoesophageal fistula induced by endoesophageal stent is rare; however, it is usually a fatal disorder, with few survivors reported. We report a case of a 32-year old female with aortoesophageal fistula after insertion of the esophageal stent in esophageal lye stricture who was successfully diagnosed with endoscopy and treated in a two-stage operation. In the first stage, we performed esophagectomy, primary repair of the fistula site in the descending thoracic aorta, and feeding gastrostomy. After the patient recovered well postoperatively, a retrosternal interposition of the right colon and cervical esophago-colo-grastostomy were performed, to re-establish the gastrointestinal tract.