• Journal of Korean Library and Information Science Society
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• v.40 no.3
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• pp.119-136
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• 2009

The Academic library services are based on specialized subject resources in academic fields in order to maximize the desirable direction of its services. Accordingly, there are some academic libraries introduced and applied subject specialist librarians. However, they can not objectively analyze the strengths and weaknesses as well as future directions to subject specialized service. The purpose of this study examined three library cases which the structure of organized subject specialist librarian. It tried to give a set of effective guidelines for academic libraries to introduce subject specialist librarian. Analysis showed that the initial problems of subject specialist librarians in its early stages are appeared: carrying out the role, appraisal-results in human resource decision making such as rewards and promotion. In order to successful introduction of subject specialist librarian in academic library, there are solutions that solving the problems which happen in early stage, active guidance and public relations strategy for faculty, approaching to activate integration within its library and cooperating among academic libraries should be back up for improving effectiveness in the long term.

• Journal of the Korea Furniture Society
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• v.20 no.1
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• pp.21-30
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• 2009

This research is conducted on temporary street furniture, which is one of the significant factors that comprise the street landscape in modem cities. The primary purpose of this research is to present the guidance on direction of planning by examining the design and installation types of construction and screen fences usually established at construction sites for buildings, roads, parks and etc. The results are as follows: 1. The construction and screen fences at construction sites of urban areas used to be a mere tentative facility to prevent noise and safety accidents but have now incremented their roles to serve not only as a functional but also as an aesthetic element with a city view and harmonization with other elements taken into consideration. In particular, it is noticeable that, based on its unique feature of tentativeness, its role has developed to serve as street furniture that adds variability to the modem city. 2. There are two different types of screen fences: blackout type and transparent type. The transparent screen turns out to be used a lot at the construction site of building a skyscraper or differentiated building in downtown city area or in places where there are buildings of similar types and shapes located along the street in the vicinity of the construction site. 3. The actual cases of adopting the tentative construction and screen fences all at the same time as a single unit have been found in historically and culturally significant architectures with the screen design used to demonstrate the view after completion of construction or the characteristics of the architecture.

• The Journal of Korean Academy of Prosthodontics
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• v.29 no.3
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• pp.43-53
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• 1991

It is important to harmonize the occlusion with TMJ and neuromuscular system. However, clinically, how to harmonize is very difficult. The mandibular movement is the motion in which all component part of stomatognathic system participate. This study was performed to compare mandibular movement of mandibular prognathic patients group with that of normal group, to ascertain which components of mandibular movement have differences between two groups, and to use for occlusal treatment of mandibular movement. Thirteen adult who have physiologically normal occlusion and are free of TMJ dysfunction were selected as a control group(Group 1). Eight adult who are mandibular prognathic patient and have more than four anterior teeth crossbite, therefore have not anterior guidance function and have posterior interference at protrusion were selected as a experimental group(Group 2). Electronic pantograph, Denar Pantronic (Denar Corp., U.SA.), was used to record mandibular movement. Pantronic survey was performed by using an arbitrary hinge axis according to manufacturer's direction. Of the Pantronic recordings, immediate side shift (ISS), progressive side shift (PSS), orbiting condylar path (ORB), protrusive condylar path (PRO) between two groups were compared and analysed. The results were as follows: 1. The average protrusive and orbiting condylar inclination of mandibular prognathic patient$(28.44^{\circ},\;36.94^{\circ})$ was significantly lower than those of normal group$(40.15^{\circ},\;48.00^{\circ})$ (P<0.01). 2. There was no statistically significant difference between .the average immediate and progressive side shift of mandibular prognathic patient $(0.37mm,\;6.19^{\circ})$ and those of normal group$(0.52mm.\;5.96^{\circ})$ (P>0.01). 3. The significant correlation was found between orbiting condylar inclination and protrusive condylar inclination.

• Journal of Gifted/Talented Education
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• v.15 no.2
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• pp.127-151
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• 2005

The purpose of this study is to examine the relationships between process variables, personality traits, intrinsic/extrinsic motivation and their mathematical creativity and how much these factors affect this creativity. These results show the major factor in mathematical creativity as being the gender difference between the gifted male and female middle school students. This also suggests that the education and living guidance of both gifted male and female students should take a different direction in relation to their gender differences in middle schools. In conclusion, all of the normal intellective and non-intellective factors, as well as home process variables, are the basic major data concerned with the effects of mathematical creativity. So, it is with all of this research that the proof for researching synthetically via a new creative research model can be offered.

• Journal of Advanced Marine Engineering and Technology
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• v.37 no.1
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• pp.114-120
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• 2013

Recently, navigation systems based on wireless communication have been applied to the internal structures such as building or ship. If a stable azimuth information is obtained, these systems can effectively guide the direction of the user's progress through the information and then can improve the performance of guidance. Since conventional method which has acquired an azimuth information using geomagnetic and acceleration sensor(azimuth sensor hereafter) is sensitive to the effects of the magnetic field, it has unstable error range according to the surrounding environment. In order to improve these problems, this paper presents a new relative azimuth estimation algorithm using the displacement of a mobile node and its rotation angle based on Wireless communication. For the performance assessment of the proposed algorithm, experiments using rotating arm are performed and the results are confirmed that the proposed system can estimate the relative azimuth without using additional sensors.

• Journal of the Korean Society of School Health
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• v.23 no.2
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• pp.97-114
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• 2010

Purpose: This study is intended to provide easy explanations needed to ensure correct understanding of the notification of health education curriculum revised in 2008, health education curriculum at middle and high schools as well as their effective application at schools. Teachers of health lessons can provide better guidance for their classes only when they are well informed of intent and direction of health lessons sought after by the nation, objective and systematic content of health lessons, teaching methods, characteristics of teachinglearning materials and their evaluation. The contents of the guide have been sufficiently detailed and clarified in such a way that can increase understanding of school health education as pursued by the nation. Methods: This is reported research as its contents have been finalized through analysis of documentary records concerned with health education available at both home and abroad, a council of health education experts and public hearings organized for extensive collection of opinions from professor and teachers. Results: The guidebook has been prepared in 5 areas covering respectively "background of revision to health education curriculum", "how health education curriculum has been changed over time", " focus on health education curriculum", "explanations on health education curriculum" and "comparison of new and previous curriculum". Also developed were key initiatives on 6 health related subjects. Conclusion: The greatest significance of this research lies in the fact that it has come up with the first guide book for health education ever prepared in our history. It is also meaningful for the guide book to enable teachers to teach their classes better by providing them with easy interpretation of the contents notified by the government and to have set guidelines for directions in which health of our youths should be promoted. Since this is the first work, continuous research and development should further be carried out in the future.

• Journal of Biosystems Engineering
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• v.33 no.3
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• pp.151-156
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• 2008

This study was conducted to evaluate ride vibrations experienced by tractor operators during plowing, rotovating, and transporting operations in Korea. Field data of ride vibrations were taken at the operator-seat interface from 49 tractors and analyzed on the basis of ISO 2631-1 and EU Directive 2002/44. Of the measured ride vibrations 15.4% in the plowing and 12.5% in farm road transport exceeded the 8-hour fatigue decreased proficiency boundary in the fore and aft directions at frequencies from 1 to 5 Hz. 93.9% exceeded the 8-hour potential health risk of ISO 2631-1. The ride vibrations exceeding the 8-hour exposure limit were 38.5% in plowing, 31.6% in rotovating, 100% in farm road transport and 88.9% in concrete road transport. Although most tractor operators were not exposed to ride vibrations greater than the 8-hour exposure limit value (ELV) of EU Directive 2002/44, 7.7% of the operators in the plowing experienced greater vibrations than the ELV in the fore-aft direction. Farm road transport produced greater vibrations than any other operations. Concrete road transport, plowing and rotovating operations followed next. Limit criteria for ride vibration exposure differ depending upon the guidelines. Exposure limit of the health guidance caution zone of ISO 2631-1 is lowest among its kinds.

• Journal of Korean Society for Atmospheric Environment
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• v.21 no.6
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• pp.573-583
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• 2005

Fugitive dust, which is emitted in the ambient air without first passing through a stack or duct designed to control flow, is frequently generated by means of wind erosion from storage yards at Pohang Steel Wokrs. The size distribution of fugitive dust is mostly in the range of coarse particulate which is deposited as soon as emitted and less harm to human health; however $20\%$ of fugitive dust contains PM 10 known as one of most harmful airborne pollutant. Consequently, effective control and reduction of fugitive dust is strongly requested by the local society, but it is not easy so far because the generation and dispersion of fugitive dust highly depends on meteorological conditions, and it being occurred for irregularity. This research presented a fugitive dust control system for each meteorological condition by providing statistical prediction data obtained from a statistical analysis on the probability of generating the threshold velocity at which the fugitive dust begins to occur, and the frequency occurring by season and by time of the wind direction that can generate atmospheric pollution when the dispersed dust spreads to adjacent residential areas. The research also built a fugitive dust detection system which monitors the weather conditions surrounding storage yards and the changes in air quality on a real-time basis and issues a warning message by identifying a situation where the fugitive dust disperses outside the site boundary line so that appropriate measures can be taken on a timely basis. Furthermore, in respect to the spraying of water to prevent the generation of fugitive dust from the storage piles at the storage yard, an advanced statistical meteorological analysis on the weather conditions in Pohang area and a case study of fugitive dust dispersion toward outside of working field during $2002\∼2003$ were carried out in order to decide an optimal water-spraying time and the number of spraying that can prevent the origin of fugitive dust emission. The results of this research are expected to create extremely significant effects in improving surrounding environment through actual reduction of the fugitive dust produced from the storage yard of Pohang Steel Works by providing a high-tech warning system capable of constantly monitoring the leakage of fugitive dust and water-spray guidance that can maximize the water-spraying effects.

• Journal of Institute of Control, Robotics and Systems
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• v.15 no.8
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• pp.859-866
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• 2009

The article discusses an issue of estimating the airspeed of an autonomous flying vehicle. Airspeed is the difference between ground speed and wind speed. It is desirable to know any two among the three speeds for navigation, guidance and control of an autonomous vehicle. For example, ground speed and position are used to guide a vehicle to a target point and wind speed and airspeed are used to maximize flight performance such as a gliding range. However, the target vehicle has not an airspeed sensor but a ground speed sensor (GPS/INS). So airspeed or wind speed has to be estimated. Here, airspeed is to be estimated. A vehicle's dynamics and its dynamic parameters are used to estimate airspeed with attitude and angular speed measurements. Kalman filter is used for the estimation. There are also two major sources arousing a robust estimation problem; wind speed and altitude. Wind speed and direction depend on weather conditions. Altitude changes as a vehicle glides down to the ground. For one reference altitude, multiple model Kalman filters are pre-designed based on several reference airspeeds. We call this group of filters as a cluster. Filters of a cluster are activated simultaneously and probabilities are calculated for each filter. The probability indicates how much a filter matches with measurements. The final airspeed estimate is calculated by summing all estimates multiplied by probabilities. As a vehicle glides down to the ground, other clusters that have been designed based on other reference altitudes are activated. Some numerical simulations verify that the proposed method is effective to estimate airspeed.

• Journal of Digital Convergence
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• v.16 no.6
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• pp.371-383
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• 2018

The purpose of this study was to examine the effects of sex and gender role identity on college life adaptation. The participants were 142 male and 146 female students. The university life adaptation scale and gender role identity scale were carried out, and we conducted a parallel multiple mediator model using Process macro. As a result, while the effect of sex on adaptation level and resources was significant, the explanatory power increased to a meaningful level when effect of gender role identity was considered. In the adaptation level, the effects of masculinity and femininity are similar in magnitude, but in the resources, masculinity has a more positive effect. Finally, male students were mediated through masculinity and female students were mediated through femininity, which has a positive effect on adaptation. These results suggest a differentiated guidance direction according to sex and identity, and suggest that enterprising and challenging spirit is important.