• Journal of Industrial Convergence
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• v.20 no.1
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• pp.69-76
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• 2022

This study is a descriptive survey study to identify interaction influencing factors in nursing students with experience in child nursing practice. The collected data used the SPSSwin 25.0 program, and the influencing factors on the interaction were analyzed by multiple regression analysis. As a result of the study, among the general characteristics of nursing college students, major satisfaction and play beliefs showed influence on interaction, and the explanatory power for interaction was 36.0%. Based on the results of higher major satisfaction, higher play beliefs, better interaction with children, a child nursing practice curriculum is required to improve nursing students' major satisfaction and have positive beliefs about play, and play in the theoretical curriculum before child nursing practice.It is thought that it is necessary to acquire knowledge of the law and educate on the necessity.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.50 no.10
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• pp.709-716
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• 2022

In this paper the Gamma guidance law, which was used for IUS (Inertial Upper Stage), is applied for solid-motor guidance of a upper stage of a satellite launch vehicle. The RCS (Reaction Control System), which activates after burnout of the upper stage, is employed for the convergence of the guidance algorithm and compensation of velocity errors induced by the solid motor. The algorithm is also simplified by replacing the time-consuming numerical integration process to predict final vehicle states with Keplerian trajectories. The performance of the algorithm is evaluated by conducting 3-DOF computer simulations for off-nominal flight conditions. The numerical results show that Gamma guidance can reduce the orbit injection accuracy in comparison with that obtained by applying open-loop commands.

• Advances in nano research
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• v.12 no.5
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• pp.467-482
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• 2022

In the current work, static and free torsional vibration of functionally graded (FG) nanorods are investigated using Fourier sine series. The boundary conditions are described by the two elastic torsional springs at the ends. The distribution of functionally graded material is considered using a power-law rule. The systems of equations of the mechanical response of nanorods subjected to deformable boundary conditions are achieved by using the modified couple stress theory (MCST) and taking the effects of torsional springs into account. The idea of the study is to construct an eigen value problem involving the torsional spring parameters with small scale parameter and functionally graded index. This article investigates the size dependent free torsional vibration based on the MCST of functionally graded nano/micro rods with deformable boundary conditions using a Fourier sine series solution for the first time. The eigen value problem is constructed using the Stokes' transform to deformable boundary conditions and also the convergence and accuracy of the present methodology are discussed in various numerical examples. The small size coefficient influence on the free torsional vibration characteristics is studied from the point of different parameters for both deformable and rigid boundary conditions. It shows that the torsional vibrational response of functionally graded nanorods are effected by geometry, small size effects, boundary conditions and material composition. Furthermore, for all deformable boundary conditions in the event of nano-sized FG nanorods, the incrementing of the small size parameters leads to increas the torsional frequencies.

• Journal of Digital Convergence
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• v.20 no.2
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• pp.399-405
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• 2022

This study suggests focused in user-centered design which are new separate discharge system that must recycle in paper materials. I searched cases in Korea's current law and regulation in recycling disposal guidelines and already succeed cases in each city that are Asia, Europe, and North America. Suggesting focused in user-centered design of ID(Identification) separate discharge system due to user's good participations, feedbacks of participation's results, and well-organized in awarding. This system consists of visual individual's ID(Identification) that are stickered in only used bag. User must recycle in separate discharge system only used bags, and results must visualized in each user and rewards to user. This separate discharge system is meaning to stimulate user's good participations.

• Geomechanics and Engineering
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• v.29 no.6
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• pp.697-706
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• 2022

In order to explore the stable anchoring conditions of coal side under the mining disturbance of soft section coal pillar in Wangcun Coal Mine of Chenghe Mining Area, the distribution model of the anchoring support pressure at the coal pillar side was established, using the strain-softening characteristics of the coal to study the distribution law of anchoring coal side support pressure. The analytical solution for the reinforcement anchorage stress in the coal pillar side was derived with the inelastic state mechanical model. The results show that the deformation angle of the roadway side and roof increases with the roof subsidence due to the mining influence at the adjacent working face, the plastic deformation zone extends to the depth of the coal side, and the increase of anchorage stress can effectively control the roof subsidence and further deterioration of plastic zone. The roadway height and the peak support pressure have a certain influence on the anchorage stress, the required anchorage stress of the coal side rises with the roadway height and the peak support pressure. The required anchorage stress of the coal pillar side decreases as the cohesion between the coal seam and the roof and floor and the anchor length increases. Then, applied the research result to Wangcun coal mine in Chenghe mining area, the design of anchor cable reinforcement support was proposed for the section of coal pillars side that has been anchored and deformed, which achieved great results and effectively controlled the convergence and deformation of the side, providing a safety guarantee for the roadway excavation and mining.

• Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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• v.7 no.12
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• pp.101-110
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• 2017

According to the Statistics Korea in 2016, 56.9% of companies do not fairly pay compensation for employee invention, despite the increasing proportion of the inventions in corporations. One reason is that the objective calculation method for employee and patent's contribution and the clear standard of fair compensation have not been established. Therefore, this study proposes a new calculation method using DCF (Discounted cash flow) and AHP (Analytical hiearchy process) methodology to calculate the fair amount of employee invention compensation, and verified it through real case examples. As a result, 2.3 times higher amount of compensation was calculated than the previous approach. This study is meaningful that it provided objective compensation criteria that could more protect the inventor in the situation which the clear criteria for the calculation of fair compensation are not established. This methodology is expected to be applicable for SMEs as employee invention compensation.

• The Journal of the Convergence on Culture Technology
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• v.9 no.2
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• pp.333-338
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• 2023

The U.S. military has been developing support policies for the soldiers dispatched overseas and their families since WWI. It is classified by the period nowadyas as follows. Prior to the dispatch, support for money and housing issues is mainly provided. During the dispatch, the DOD level community is formed to strengthen relations between the soldiers and their families, check their children's academic achievements, etc. After returning to the military, the mental and physical health care for not only the soldiers but also their families is provided. Based on these facts, this research proposes that the ROK MND's overseas dispatch instruction upgrade to law in order to provide housing support, even if the families don't live in military houses. Simultaneously, an online community is needed to be open for sharing information between them, their children's educational achievements, etc. More importantly, the mental health care for both the sodiers and their families is provided for a certain period.

• The Journal of the Convergence on Culture Technology
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• v.9 no.2
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• pp.207-213
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• 2023

Korea is facing a population cliff and a decline in the fertility rate, and the competition rate for recruiting officers in our military is rapidly decreasing every year. This situation is a serious problem in terms of national security and requires efforts to obtain excellent manpower. To this end, it is necessary to understand their occupational values through consideration of the MZ generation, which is the main recruitment target of the military, and to find diagnosis and solutions for each problem by closely analyzing the military's internal and external environment based on their understanding of soldiers as a job. Therefore, we diagnose the current situation in consideration of military specificity, examine the occupational values of the MZ generation, which is a resource for military officers recruitment. Since the subject of military officer acquisition is the MZ generation, efforts are needed to focus on occupational values of MZ generations.

• The Journal of the Convergence on Culture Technology
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• v.9 no.5
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• pp.105-110
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• 2023

This article attempts to analyze John Greenleaf Whittier's anti-slavery poems. As a Quaker, he criticizes and satirizes the rife slavery in the mid nineteenth century. His thoughts are based on his religious belief. "The Farewell of a Virginia Slave Mother" depicts the mother who lost daughter for she was sold to the South. The harsh state of the corrupt South is described. In "Massachusettes to Virginia," the speaker, deploring the moral corruption of Virginia, denounces any attempt to return slaves to slave states. With a moonrise as a socio-political symbol, "Arisen at Last" celebrates the passage of law to protect fugitive slaves. Written after the Civil War, "The Peace Autumn" celebrates the peaceful situation in which Emancipation was declared. His efforts contributed to the abolitionist literature.

• The Journal of the Convergence on Culture Technology
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• v.9 no.6
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• pp.495-507
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• 2023

The purpose of this study is to identify the current status of legal disputes that occur while firefighters are performing their duties and to suggest efficient response measures. To investigate awareness of legal disputes, a survey was conducted on 3,500 firefighters, and the responses of 505 people who participated in the survey were analyzed. As a research method, frequency analysis and cross-analysis were conducted based on the demographic characteristics of the participants and a survey of firefighters' awareness of the law, and through this, basic statistics and status were analyzed. As a result of the analysis, it was found that firefighters feel a lot of burden, including time and material losses, as well as disadvantages and mental anxiety in the workplace when legal disputes occur while performing their duties. The need for an organizational response in the workplace as an efficient response to this was statistically confirmed. Therefore, based on the results of this study, we propose the permanent establishment and operation of a professional legal support team within each city/provincial fire department headquarters so that firefighters can concentrate on their duties free from legal disputes.