The purpose of this study was to investigate the mediation effect of the job efficacy on the relationship between job stress and career resilience of fire fighting officers. The participants of this study were 151 Jeju Island local fire fighting officers. The research tools used were job stress scale, career resilience scale and job efficacy scale. The data were analyzed using the SPSS statistical program. Pearson's correlation analysis, hierarchical multiple regression analysis and the Sobel test were conducted. The results of this study are as follows: First, there was a significant negative correlation between the job stress and the career resilience and between the job stress and the job efficacy, while there was a significant positive correlation between the job efficacy and the career resilience. Second, the job efficacy of fire fighting officers was found to have a perfect mediation effect on the job stress and the career resilience. As a result, it was found that job efficiency as a mediator to cope with job stress can improve the work efficiency by improving the career resilience of fire fighting officers. Finally, the discussion and implication are provided based on the results.
The study examined the influence of character on adjustment to college life in focused on the mediating effects of interpersonal relationship 220 dental hygiene students located in G, J regions between July 23, August 20 in 2018. The data was analyzed by descriptive, pearson correlation coefficient and regression in order to mediating interpersonal relationship using SPSS 18.0 program. The dental hygiene students got a mean 3.50 in character. Among the inferior factors of character, it got 3.55 knowing factor and 3.60 feeling factor and 3.38 behaving factor. Character was positively correlated with interpersonal relationship(r=.74, p<0.01) and with adjustment to college life(r=.63, p<0.01). Interpersonal relationship(r=.65, .69, .77, p<0.01) and had a positively correlation with adjustment to college life(r=.56, .56, .68, p<0.01) interpersonal relationship was positively correlated with adjustment to college life(r=.80, p<0.01). Interpersonal relationship had perfect mediating effects on the relationship between the two. The study suggest that the interpersonal relationship of the dental hygiene students did an surely mediating role between character and adjustment to college life.
Park, Yoo Sei;Jung, Changwook;Kim, Chiho;Koo, Taewoo;Seok, Changgyu;Kwon, Ilyeong;Kim, Yangdo
Korean Journal of Materials Research
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v.29
no.2
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pp.92-96
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2019
Transition metal oxide is widely used as a water electrolysis catalyst to substitute for a noble metal catalyst such as $IrO_2$ and $RuO_2$. In this study, the sol-gel method is used to synthesize the $Cu_xCo_{3-x}O_4$ catalyst for the oxygen evolution reaction (OER),. The CuxCo3-xO4 is synthesized at various calcination temperatures from $250^{\circ}C$ to $400^{\circ}C$ for 4 h. The $Cu_xCo_{3-x}O_4$ synthesized at $300^{\circ}C$ has a perfect spinel structure without residues of the precursor and secondary phases, such as CuO. The particle size of $Cu_xCo_{3-x}O_4$ increases with an increase in calcination temperature. Amongst all the samples studied, $Cu_xCo_{3-x}O_4$, which is synthesized at 300?, has the highest activity for the OER. Its onset potential for the OER is 370 mV and the overpotential at $10mA/cm^2$ is 438 mV. The tafel slope of $Cu_xCo_{3-x}O_4$ synthesized at $300^{\circ}C$ has a low value of 58 mV/dec. These results are mainly explained by the increase in the available active surface area of the $Cu_xCo_{3-x}O_4$ catalyst.
Konstantin S. Stanislawski(1863-1938) is one of the great acting-teachers and directors. Especially his 'System' influences this day like his period so many actors and directors in the world. In Korea, Stanislawski was introduced at first in 1920's by Kim, Woojin, dramatist. After that time, his system was influenced fast everyone in the korean drama world. As a result, so many translations of his books and researches of his system are done until nowadays, but it is not perfect for the correct understanding of Stanislawski and his system. It seems to be several causes in this misunderstanding. And the purpose of this thesis is at first to observe historically the results of researches and translations on Stanislawski and his system in Korea and then to bring it in order according to characteristics. In this thesis are the process of reception observed dividing 4 periods. The first period is from the beginning to the liberation in 1945. The second is to 1980's and the next is to the year 2000. And the final period is from that time to the present time. As a result are several characteristics found as followings: 1) translations of Stanislawski's first book like other books, for example, Building a Character and Creating a Role, an Actor Prepares, are fast all secondhand translations, that means, man translated it not from russian direct but japanese or english. It caused man to misusing of terms and then misunderstanding on the system. 2) the researches on Stanislawski in are fast all concentrated on the book, an Actor Prepares, so this leads man to regard it as his whole acting system. On the other hand, thesisses which deal with his last and final acting technique, "the Method of the physical Action" are relatively not so much. As though man knows the last, man used to think that the system is developed systematically from the psychological technique to the physical action or the method of the physical action is only the way to understand of stanislawski's acting method. The psychological method and the physical are not the divided, different acting technique, but pairs which are applied to different objects, that is, the actor himself and the role in texts. 3) the political aspects are not considered especially under the situation of Stalin's social realism. This lack of the political context having relation with the system acts as a obstacle upon understanding the correct, whole his system. But so many thesises on this theme in other countries are so vivacious. For example, man can find subjects like "Stanislawski and Meyerhold", "means of Stanislawski's method for theatres in the social context". There are also many interesting Questions related to the physical action. That is, is the physical action the final acting technique or the materialistic dialectical device to survive under the Stalin's rule? Is there some interrelations between stanislawski's physical action and Meyerhold's biomechanics? In conclusion, the researches on Stanislwski and his system are not enough to understand correctly and overcome the system. We have to start the research again at least from the direct translation his books written russian in order to apply it in a new times.
Journal of the Korean Institute of Rural Architecture
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v.21
no.2
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pp.19-26
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2019
Pungsu theory is important one in the site selection and lay-out of traditional Korean village and house. In this aspect, Study with a view of Pungsu theory might be used as a proper method for understanding the traditional architecture in Korea. In this context, this study analyzes the Jeong, Dong-Ho's house which is designated no. 19 as an important folk cultural heritage, located in Jigok Ochu-gil 133-62, Godeok-myon, Yesan-gun, Chungnam province. The analysis of the site and space lay-out is carried out by Yong(Dragon), Hyoel(Auspicious Spot), Sa(Sands), Su(Water) aspects of the Pungsu(Fengshui) Hyungsei-ron. The house is depending upon soft dragon vein connecting with a earth type rear mountain. It looks southeast direction, Gonjwasonhyang(乾坐巽向). The hyeolseong(穴星) has classical venus shape, and there is no faults relatively. The Sasinsa condition is almost perfect that right blue dragon and left white tiger surround the hyeol with 3-4 layers and the facing mountain covers the front open area. The water flowing from inside of left and right mountain is joined in front of the house so it could stop flowing out of vital energy. Bibo forest(裨補樹) is placed properly to protect the easy disclose of water outlet. The house is well organized western house(西四宅) by analysis of Dongseosataek-ron(東西四宅論). Through the analysis, I found that the house has good Pungsu(Fengshui) environment fitted with Pungsu Hyungsei-ron. The house composed of small thatched roof is enclosed several times by low hills of back, left and right side. So it is believed that the site might be carefully evaluated by Yong, Hyoel, Sa, Su of Hyeongsei-ron for knowing whether the site condition could minimize the demage by strong winds and protect from the winter cold wind and secure water for drinking and farming and then selected. The method of Pungsu for evaluating the geographical condition of surrounding of a site is used as a traditional site analysis method for evaluating the suitability of long-term well and safe residence.
Journal of The Korean Association For Science Education
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v.39
no.2
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pp.249-261
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2019
The purpose of this study is to extract empathy factor in scientists' problem-solving process and to examine how the empathy factor influences scientists' problem-solving situation. In this study, we selected six common persons among the scientists mentioned by creativity researchers. And through their autobiographies and biographies, we extracted elements of empathy from their case of problem-solving and categorized them. We analyzed cases from 12 books and 50 papers using Davis' empathy scale as an analysis framework and extracted common factors. As a result, the scientific empathy elements were extracted from a total of 182 cases, and 33 common elements were found. The validity of this case was verified through the content validity test of the science education specialist group. As a result, the I-CVI average was .86 and the S-CVI average was .90. For the empathy elements that scientists used in problem-solving cases, in cognitive empathy, three elements (empathy through other disciplines, empathy from the perspective of the research object, accommodating others' opinions) were extracted in terms of perspective-taking, and three elements (imagination thought experiment based on observation, thought experiment, feeling like part of object) in fantasy. And in affective empathy, three elements (influenced by fellow researchers' motivation, touching from the subject, excitement studying more) were extracted in terms of empathic concern and two elements (heartache for others' failure in their research, sensitivity to problems) in personal depression. This could not be said to be a perfect match for Davis' empathy, but it would be possible to define the scientific empathy elements based on these common elements found in the scientists' cases.
The COVID-19 virus is a β-genus virus that causes infection by mediating the angiotensin convertible enzyme 2 (ACE2) receptor, which is distributed in large numbers in the human respiratory tract. The disease requires effective post-management of antibody production by complete healers and vaccinators because there is no perfect remedy for the virus infection. This study aimed to develop recombinant proteins specifically responsive to neutralizing antibodies in clinical specimens and use them to develop a rapid diagnostic kit to diagnose neutralizing antibodies quickly and conveniently against the COVID-19 virus and confirm the possibility of commercialization through a performance evaluation. Rapid diagnostic kits using COVID-19 S1 RBD recombinant proteins can be applied to rapid diagnostic kits, with positive percentage agreement (PPA) and negative percentage agreement (NPA) of 100% and 98.3%, respectively, compared to the U.S. FDA-approved ELISA kits. If the performance of the rapid diagnostic kit is improved and neutralizing antibodies can be analyzed quantitatively using quantitative analysis equipment, it can be used as important data to predict immunity to the COVID-19 virus and determine additional vaccinations.
Purpose: A static loading test was performed to evaluate the ultimate flexural strength of a girder in which 80MPa high-strength concrete was synthesized on the compressive flange of the I-shape steel girder. Method: This test is designed and fabricated two types of specimens with different shear-connection specifications, and evaluated their ultimate flexural behavior until reaching the extreme event limit states. In addition, the ultimate strength was evaluated by comparing the test results and the results of the strain compatibility method. Result: By confirming the displacement within 0.02mm as a result of the relative slip measurement, it was verified that the two specimens secured perfect bonding. Therefore, the difference in the shear specification does not have a great effect on the stiffness, and if the specimens are completely synthesized, there is no difference in the behavior until it reaches the extreme-event limit states. Conclusion: The girder to be tested has a working load within the elastic range and meets the usability requirements for allowable deflection. Therefore, even if a part of the casing is subjected to the tensile force at the level of cracking, the deck will first reach the compression failure due to the role of the reinforcing bar.
Jo, Hak-Jun;Roh, Jeong-du;Sung, Hyun Kyung;Park, Jeong-Su
Journal of Society of Preventive Korean Medicine
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v.24
no.3
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pp.1-13
/
2020
Objectives : The objective of this survey was to examine students' perception of the clinical performance examination (CPX) in college of traditional Korean medicine using student standardized patients. Methods : College of traditional Korean medicine students who completed the first-semester clinical practice education were selected as the subjects, and they participated in a survey asking questions about the following matters: satisfaction with CPX, self-evaluation, difficulties experienced during the CPX course, level of prior knowledge of clinical practice education, and usefulness of and intimacy with Student Standardized Patients (SSP). Results : Satisfaction with CPX was calculated to be 4.10 (5 being the perfect score), and self-evaluation of CPX was calculated to be 4.12. The subjects chose physical examination as the most difficult item relating to CPX. 80.5% responded positively to the question relating to diverse experiences in practice education, and 52.8% responded positively to the question relating to prior knowledge of diverse standardized patients. 55.6% responded positively to the question relating to performance proficiency of SSP, 63.9% responded positively to the question relating to usefulness of SSP to prepare for CPX, and 69.4% responded positively to the question relating to usefulness of SSP in evaluating CPX, and 55.6% responded positively to the questions relating to intimacy with SSP. It was confirmed that there was a strong quantitative correlation between prior knowledge of clinical practice education and usefulness of SSP, and that there was a strong quantitative correlation between performance proficiency of SSP and usefulness of SSP. It was confirmed that there was a middle-level correlation between performance proficiency of SSP and intimacy with SSP, and that there was a middle-level quantitative correlation between intimacy with SSP and usefulness of SSP. Conclusions : It was confirmed that senior students enrolled in college of traditional Korean medicine were mostly satisfied with the clinical performance examination in college of traditional Korean medicine using SSP, and that usefulness of SSP had a quantitative correlation with prior knowledge of diverse clinical practice educations, performance proficiency of SSP, and intimacy with SSP.
Kim, Min-Choul;Shon, Byung-Hyun;Lee, Jae-Jeong;Park, Hung-Suck
Journal of the Korea Academia-Industrial cooperation Society
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v.22
no.6
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pp.460-468
/
2021
This study investigated the enhanced combustion efficiency of an "air-cooled combustion system" with single F.D. fan, and performed a numerical analysis for the operation and design conditions to increase the combustion efficiency. The combustion efficiency in an actual combustor was compared before and after the structure modification. Numerical analysis for application of a single fan revealed the difficulty of forming a turbulence for circular combustion conditions. This is because the supply ratio of combustion air supplied into 2 flow paths becomes irregular in the combustion furnace due to a change in friction force and pressure in each flow path. Subsequently, two methods of supplying air into the combustion furnace were analyzed numerically to obtain the optimal combustion conditions of an air-cooled combustion system. The first method involved injecting the preheated combustion air after a 180~360 degree rotation from the outer wall, whereas in the second method, the combustion air was injected into the combustion furnace in a tangential direction after primary heat exchange outside the combustion furnace, by applying a rotatable vane structure in the combustion furnace. Results reveal that application of a single F.D. fan to the air injection into a rotatable combustion furnace is desirable for optimization of the combustion conditions for applying a duct structure having a dual cooling wall for the cooling of the outer wall of the combustion furnace, and for maintaining perfect mixing in the combustion furnace. We therefore confirmed enhanced combustion efficiency by comparing the actual combustion efficiency before and after structure modification.
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