The enhancement of inquiry skills has been emphasized as a important objective of science education for a long time. Of these, the observation is not only a simple and basic skill, but also a very important skill, in aspect of gathering informations about the nature of all things around us, through interaction between the sense organs of body and objectives. The purpose of this study is to investigate the results of observations about the grasshopper(Oxya chinesis), made by the elementary student from the 3rd to the 6th grade, and to make use of them as the basic materials for the observative teaming and the evaluation of the observation ability. Through this study, the collected items of observation are as follows For grasshopper, a total of observation items is 95, 70 using the sight sense, 13 using the tactile sense,7 using the olfactory sense. 3 using the palate sense and 2 using the auditory sense. In this study, the findings of elementary student's observation are as follows. 1. On the whole, most of students have observed mainly by the sight and the tactile sense, when observing the grasshopper. 2. It is showed a tendency that the observation ability of student is increased with the higher grade in elementary school. 3. As the grade ascends. the observations with operating are increased, also the quantitative expression and interpretation about them are increased. 4. In the case of same grade, there is no significant difference between students' gender, though girls' ability of the observation showed somewhat higher than boys' 5. Occasionally, the interpretations on the observative facts made by student, are inaccurate. Basis on the above results, we suggested some directions for the improvement of the observative learning program in science classroom of elementary school. First, the teacher have to serve as a guide and encouragement in the observative learning class, to be accomplished the various observation, which all the sensory organ can be used by student than the sight sense. Second, to get elevated the ability of observation, it is necessary that some experimental tools(magnifying lens, stereoscope, auxiliary implements etc.) are utilized. Third, the teacher have to make often endeavors showing an example of operation, to be activated the atmosphere of operative observation.
Interest in traditional culture has been increasing due to globalization. We need to create fashion items using Korea folk culture like the Hanbok. In this paper, the design development of toddler's pajamas was attempted by using women's Sokgot pants, which were worn by women in Joseon Dynasty period. The study involved a review of literature and an investigation of past relics. Traditional women's Sokgot pants had a 'mu' or 'dang' in the crotch which is called 'the mit' now. The opening of the mit will be used for designing toddler's pajamas. Design suggestions for four styles of toddler's pajamas, which reflect the formative characteristic of women's Sokgot pants, have been created. Research outcomes are as follow: the characteristics of Ran-pants are applied to design 1 and design 2. There have pleats along the waistband of the toddler's pajamas, making the Mu more hidden. Pleats of the waist part are achieved by using an elastic, which also makes the pajamas easier to fit and to wear. The characteristics of Gaedanggo, of which the crotch is opened, are applied to design 3 and design 4. The opened crotch is applied so that toddlers can relieve themselves easily while they are wearing these pajamas. There is also an opening in the centerline of the front Mu in design 4 which gives additional functionality and comfort. This work shows that items of traditional folk dress can be used to make present fashion items.
To approach science education for all which has been required in STS program, it is indispensable to develop variously differentiated education courses that are suitable for various students. In order to do that, we have to abstract essential items that are dealt with in common from science textbook which is regarded as the kernel of science education. Then, these items are developed by fitting for each level-STS science study models. The purpose of this study is to improve the level-based investigation competence by applying these models to various level learning. We obtained some results as the following: First, there has been a positive change for attitude to study science in part. Second, we find the materials in our life and this study is relating to science, technique and society. So we find out the fact that there is close connection between science technique and our life. And also it helps encourage to learn. Third, in the process of searching for and producing STS materials, students have a chance to study for themselves by working out self-leading research activity. Finally, students can reduce a preconception that science is difficult by encouraging attitudes to search for and make our problems in our life scientifically and the habits thinking of and understanding our daily life itself in the scientific sight.
Radiologic technologists working at the second and third medical institutions are classified as radiation-related workers and radiation workers according to their working departments, and are subject to double regulation by the Ministry of Health and Welfare and the Nuclear Safety Commission. We will try to understand the system of dualization and to understand the investigation of recognition. The dualized system of radiation-related workers and radiation workers includes the difference in name and terminology, the effective dose limit, the maintenance education and training of radiologic technologists, the period of medical examination, the radiation zone, dose of the woman whose pregnancy is confirmed in radiologic technologists, the qualification criteria of the safety officer, and the period of the regular inspection of the radiological equipment. In the questionnaire survey on the dualization system, there were various items showing significant differences between the radiation-related workers and radiation workers Overall, the radiation workers were more aware of the radiation workers' education and related terms than the radiation-related workers.
Journal of the Korean Institute of Rural Architecture
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v.11
no.3
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pp.11-18
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2009
The purpose of this paper is to find out the investigation of overseas case in Street Furnitures of Public Design. Thus this research regions select among the waterfront cities; Tokyo/Yokohama(Japan), Nies/Cannes(France), Shanghai(China), Vancouver(Canada), in addition to the city of art and romance; Paris. Above all, it is necessary to study concept of public design and definition of street furnitures. The survey data collected from forenamed cities and the items of street furnitures are various installments such as kiosk, bench, bollard, litter-bin, sign board, toilet, bus/taxi station, fence, shelter, lighting column, fountain, telephone-booth, clock-tower, automaton, bicycle stand, playing object etc. In this study street spaces are analysed that is related to regional surroundings and pedestrian's culture. Consequently, design trend of street furniture in foreign case analysis are going into thoroughly modern image as well as checking of form, color, material and maintenance system. According to the above findings, this paper will provide basic data for establishing of the street furniture and improving of public design to the regional citizen, local government officials and regional experts.
Kim, Do-Hyung;Bang, Gyu-Min;Jun, Gy-Chan;Kim, Dong-Hyun;Kim, Taek-Kon
Proceedings of the Korean Geotechical Society Conference
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2010.03a
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pp.58-69
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2010
Turkey Eurasia Tunnel Project is large scale road construction project of which the total length is 14.6km. The subsea shield TBM tunnel will be constructed under Bosphorus strait and the project site is in poor condition as composite ground, high water pressure and earthquake. The design procedure of subsea tunnel was introduced with tender design materials. That procedure contains tunnel type, TBM type and the principal design items considering geological condition such as high water pressure, composite ground and seismic area. This paper states the progress for geotechnical investigation, seismic analysis and TBM tunnel design. Analysis for geotechnical investigation is in progress, aseismatic design is going on stability study for liquefaction and structure. In addition, the performance of shield TBM to be considered such as advance rate and improvement of TBM was reviewed. The plan of fire safety was also reviewed with respect to fire protection.
The study establishes the analytical frame composed of 22 items according to the category of passageway, shop, entrance and amenity for the purpose of executing the empirical investigation of the Underground Public Pedestrian Facilities in Daegu Metropolitan City of Korea. As a result of the research work, the study finds out some problems about the facilities as follows: (1) Passageway elements - the skylight was constructed only in one place. In contrast, the standards of passageway and plaza were well-fulfilled except for one or two cases. (2) Shop elements - the cases of installing shops where they should not be located were found the most, and a case of over-establishing the shop area was found as well. (3) Entrance elements - the cases not matching roof or canopy standard over entrance facilities were found the most. Overall, the entrances and their connection to the adjacent buildings are appraised as not well-established. (4) Amenity elements - these were appraised as insufficient in all except two cases. Regarding this, not only necessary are the establishment of facilities and the effort of facility managers, but also urgent is the institutional improvement.
Proceedings of the Korean Institute of Navigation and Port Research Conference
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v.1
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pp.513-517
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2006
Autonomous Underwater Vehicles plays specific role in underwater investigation. Generally, this kind of vehicles will move along a planned path for sea bottom or underwater installations inspections, search for mineral deposits along shelves, seeking lost items including bottom mines or for hydrographic measurements. A crucial barrier for it remains the possibility of precise determination of their underwater position. Commonly used radionavigation systems do not work in such circumstances or do not guarantee the required accuracies. In the paper some new solution is proposed on the assumption that it is possible to increase the precision by certain processing of a combination of measurements conducted by means of different techniques. Objective of the paper is the idea of navigation of AUV which consists of two phases: firstly a trip of AUV along pre-planned route and after that postprocessed transformation of collected data in post-processing mode. During the processing of collected data the modern adjustment methods have been applied, mainly estimation by means of least squares and M-estimation. Application of these methods should be associated with the measuring and geometric conditions of navigational tasks and thus suited for specific scientific and technical problems of underwater navigation. The first results of computer aided investigation will be presented and the basic scope of these application and possible development directions will be indicated also. The paper is prepared as an partial results of the works carried out within a framework of the research Project: 'Improvement of the Precise Underwater Vehicle Navigation Methods' financed by the Polish Ministry of Education and Science (No 0 T00A 012 25).
In Korea, small octopus (Octopus minor) and webfoot octopus (Octopus ocellatus) are food items and fatal laryngeal choking due to ingestion of live octopus is not uncommon. We recently encountered two autopsy cases of accidental choking on small octopus and webfoot octopus. Case 1 involved a 58-year-old fisherman who ingested two live webfoot octopuses in his fishing boat and collapsed. He was immediately taken to the hospital but died. During autopsy, one of the webfoot octopuses was found between his pharynx and esophagus; it was obstructing the epiglottis and upper esophagus. His blood alcohol concentration was 0.140%. Case 2 involved a 55-year-old man who ingested an intact body part of a small octopus and was found dead in his house. He had a history of cerebral infarction and angina pectoris. During autopsy, an intact body part of the small octopus was found to be lodged in the laryngeal inlet.
Journal of the Korea Fashion and Costume Design Association
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v.11
no.2
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pp.183-195
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2009
In this study, foot shapes were compared between the men in their 20's and 60's, with the application of 3-dimensional measurement data, and the classification was established in consideration of each of their features. The results are as follows: 1. The investigation into the differences between the groups for the 3-dimensional measurement items of the men in their 20's and 60's indicated that those in their 20's had larger values than those in the 60's age group for all of the length items, while those in the 60's age group had larger values for all of the angle items. 2. The analysis of the constituting factors for the feet of those in their 60's and 20's resulted in the 7 items for the 20's age group and 8 items for those in the 60's age group. 3. The comparison of foot classifications for the 60's age group and 20's age group presented 3 types each for both groups, but the features of each type was different. To examine each characteristic by each type and age group, following can be determined of the 60's age group. Type 1 had a thick instep, high malleolus position and heel and a thick formed ankle. Type 2 the entire foot was small, and the big toe was formed in such a way that it tened to bend toward the inside. When the whole size compared with similar Type 1, Type 3 had a low instep, a low heel, the big toe did not bend and ankle form was thin. The following can be determined of the 20's age group. Type 1 had narrow width a thin ankle and the big toe was formed in such a way that it bended toward the inside. Compared with length, Type 2 had wide width and a thick ankle. Type 3 had a larger overall size, thick instep and wide and the toe was big, but the characteristic of inside and outside of a malleolus position was low and the big toe's form showed no tendencies to bend.
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