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Simulation Studies of a Pixel-type 3-D Silicon Sensor
최수용,고정환,하경호,서지웅,유인태 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.58 No.5
Silicon sensors with 3-D structures are expected to tolerate radiation levels higher than those of sensors based on normal planar technologies. We studied the performance of a single-sided 3-D silicon pixel-type sensor by using 3-D semiconductor simulation tools. We expect the 3-D silicon detector to have good charge collection efficiency and position resolution.
The Design of an Optimized Muon Beamline
최수용,박정원,노연정 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.5
For the Heavy Ion Accelerator Project in South Korea we designed an optimized antimuon beamlineby using a simulation with the G4beamline and the TRANSPORT software packages. Thisresearch suggests that the optimized muon beamline can transport 2.4×108 antimuons per secondto a circle with a radius of 3 cm. In terms of the muon rate, this is competitive with world-leadingmuon beam facilities.
지역축제 서비스품질이 방문객 참여행동에 미치는 영향 : 관여도 조절효과‘2019 거제 바다로 세계로’축제를 중심으로
최수용,한정훈 한국엔터테인먼트산업학회 2019 한국엔터테인먼트산업학회논문지 Vol.13 No.8
본 연구는 대표적인 해양 축제 중 하나인‘2019 거제 바다로 세계로’축제를 배경으로 지역축제 서비스품질이 방문객 참여행동에 어떠한 영향을 미치는지 확인하고 또한 관여도가 지역축제 서비스품질과 방문객 참여행동에 미치는 영향정도가 어떠한가를 알아보고자 하는 목적으로 축제 기간인 2019년 08 월 01일 부터 08월 04일까지 4일 동안 축제를 방문한 방문객들을 대상으로 구조라해수욕장 등 4군데의해수욕장에서 총 367부의 유효한 설문자료를 통해분석하였다. 본 연구의 결과는 다음과 같다. 첫째, 지역축제 서비스품질의 하위요인 중 확신성, 공감성, 신뢰성 이상 3가지 항목 모두 참여행동에 긍정적 영향을 미치는 것으로 나타났다. 둘째, 관여도가 지역축제 서비스 품질과 방문객 참여행동에 미치는 영향의 조절효과를 실시한 결과는지역축제 서비스 품질과 방문객 참여행동의 개별적인 조절효과를 보면 확신성*관여도는 방문객 참여행동에 정(+)의 조절효과가 있었다. 따라서 고려될 수 있는 시사점은 지역축제를 방문한 관광객의 만족도가 높으면 높을수록 지속가능한성공적인 축제가 될 것이 자명함으로 축제 관계자들은 이점을 유념해서 축제를 기획해야 될 것이고, 진행요원을 잘 교육시켜 역할 비중을 높여 적극적인 서비스 제공을 보다 빠르게 함으로써 중요하게 인식하지 못했던 곳으로부터 의외의 긍정적 고객행동이나올 것으로 사료된다.
Searches for the Dark Photon at Fixed Target Experiments
최수용 한국물리학회 2016 New Physics: Sae Mulli Vol.66 No.8
Recent astrophysical observations provided indirect evidences for sub-GeV, light, dark-matter (DM). A new gauge particle in this mass range could exist as an extra $U(1)$ gauge particle, called the dark photon. The dark photon can mix weakly with a ordinary photon and can mediate interactions of DM. If the dark photon is massive enough, it can decay into a pair of standard-model (SM) particles or DM particles. Light dark-matter particles in the MeV to GeV mass range, as well as in other mass ranges, have not been the subjects of intensive experimental researches. Large statistics is needed to search for dark-photon-mediated interactions. Therefore, high-power accelerators can be used to look for the dark photon. In this article, we review the current status of the experimental searches at various fixed-target experiments and the experiments planned in the near term future.
이재장,최수용 江原大學校 産業技術硏究所 1989 産業技術硏究 Vol.9 No.-
A general study on the upgrading of mica minerals which are mainly found in pegmatite deposits was carried out for the purpose of developing a technique for recovering mica in form of comercial grade products. By the way the grade one of about 5∼6% K2O still is not developed. The target of this research work is to be establish a process for the efficient concentration of muscovite, containing more than 10% K2O. The tests are applied to incraese the recovery and grade of concentrates in term of variations of conditions. The test sample consists of mainly muscovite and gangue mineral such as quartz, pyrite and chlorite. Decantation and shaking table tests were ineffective to up-grade this low grade one, but flotation method gave satisfactory result. By means of grade one, but flotation method gave satisfactory result. By means of grindability tests, an optimum result could be obtained from the sample ground to -48mesh feed size. The flotation result indicates that the dodecyl ammonium chloride used as a cationic collector is effective on the negatively charged surface, while the sodium dodecyl sulfate as an anionic collector is effective on the positively charged surface. Muscovite was floated by petroleum sulfonate as well as amine type collector, it also floated by MIBC as well as pine oil frother under well condition. Fine muscovite concentrates of about 10.68% K2O was obtained with 22.4% yield, by decantation, the muscovite concentrates of 10.10% K2O was obtained with 23.54% yield, by table concentration, the muscovite concentrates of 11.51% K2O was obtained with 23.0% yield by flotation.
호텔 종사자들의 조직문화와 조직효과성 관계에서 동기부여의 매개효과
최수용 한국호텔관광학회 2016 호텔관광연구 Vol.18 No.5
This study investigated from April 20, 2016 to May 22 A total of 320 questionnaires were distributed, data were processed using a statistical analysis of the appropriate 300. First, the power was set, role, human workers of the hotel as a variable, a regression analysis was conducted to motivate. The results of multiple regression analysis among the four independent power (β = .328, P <.001) committed, role (β = .591, P <.05), human-oriented (β = .175, P <.01) , it was analyzed as having a significant influence relationship with respect to the definition of the dependent variable motivation. Second, it was the first variables and organizational effectiveness and simple regression analysis derived from factor analysis of motivation. The results of simple regression analysis was defined as having a significant effect relationships for motivation gender dependent variable organizational effectiveness. This is a higher beta factor for the analysis was that the gender impact organizational effectiveness is high. Third, organizational effectiveness and the hotel employees were multiple regression analysis. The results of regression analysis of the three independent variable power (β = .476, P <.01), role (β = .478, P <.001), human (β = .260, P <.001) is dependent analysis was defined as having a significant impact for gender relations variable organizational effectiveness. Fourth, two-stage regression coefficient value accounting of the cost factor is 0.476, and 0.249 in the case of three steps shown motivation showed that the partial mediating effect. The results Hotel practitioners will need to be progressive in order to motivate employees to settle the effectiveness of the organization's corporate culture.
최수용,김건휘 대한관광경영학회 2019 觀光硏究 Vol.34 No.6
The purpose of this study was to examine how job consciousness of hotel employees affects customer orientation. In addition, the study was conducted to find out how it affects the recognition of tissue sponsorship. The survey was conducted from July 01, 2019 to July 15, 2019. A total of 282 valid questionnaires were used as the final analysis data. The results of this study are summarized as follows. First, the job calling consciousness and customer orientation of hotel employees are instinct consciousness ( β = .602, P <001), work value (β = 270, P <.001), contribution and commitment (β = .367, P < .001) had a significant positive effect on customer orientation, the dependent variable. Second, the effect of emotional perception between hotel employees 'occupational vocation and customer orientation is significant. The effect of emotional adjustment on hotel employees' individual consciousness is significant ( β = 110, P <.05). There was a positive influence. Third, the moderating perception of the hotel employees' job calling and customer orientation had a significant positive influence on work value and emotional perception (β = 123, P <.05). 본 연구는 호텔 종사원의 직업소명의식이 고객지향성에 대해 어떠한 영향을 미치는지 알아보고, 또한 조직후원인식에 대해 조절효과를 두어 어떤 영향을 미치는지 알아보기 위하여 연구 진행했다. 본 연구의 설문 조사는 2019년 07월 01일부터 07월 15일까지 시행하였으며 총 282부의 유효한 설문지를 최종적인 분석 자료로 이용하였다. 본 연구의 결과를 요약하면 다음과 같다. 첫째, 호텔 종사원의 직업소명의식과 고객지향성은 천직의식(β= .602, P<001), 일가치감(β= 270, P<.001), 기여·헌신(β=.367, P<.001)이 종속변수인 고객지향성에 대하여 유의한 정(+)의 영향관계가 나타났다. 둘째, 정서적 인식이 호텔 종사원들의 직업소명의식과 고객지향성 간에 조절효과는 호텔 종사원의 직업소명의식의 개별적인 조절효과를 보면 일가치감⁕정서적 인식(β=110, P<.05),은 유의적인 정(+)의 영향력이 있었다. 셋째, 수단적 인식이 호텔 종사원들의 직업소명의식과 고객지향성 간에 조절효과는 일가치감⁕정서적 인식(β=123, P<.05),은 유의적인 정(+)의 영향력이 있었다.