• Research in Mathematical Education
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• v.15 no.2
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• pp.105-114
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• 2011

During the 20th century, the secondary school mathematics teaching in China had been developing from the an old-style private school form with individual instruction to classroom teaching with Chinese characteristics, which experienced three stages of development; the stage for the formation of modern teaching system (1902-1949), the stage for development (1950-1976), and the stage for innovation (1977-2000). The characteristics and journey for the transformation will exert great for reference and effects for the reform of secondary school mathematics teaching nowadays.

• Journal of Environmental Science International
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• v.24 no.4
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• pp.555-559
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• 2015

Tourists travel demand can be divided into the watch the natural landscape, such as shopping, entertainment and other projects. Each travel demand with motivation for meet the requirements of appropriate tourism space environment in order to complete. In this paper, through questionnaire investigation and SD (Semantic Differential) method for the basic attributes of shopping tourists and spatial characteristics of commercial pedestrian street. And analyzes the basic attributes of shopping as the main demand of tourists characteristics and the spatial characteristics of the suitable shopping demand, to provide a scientific basis for the design of tourist shopping space.

• Journal of the Korean Home Economics Association
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• v.30 no.1
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• pp.133-148
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• 1992

The purpose of this study are; 1) To identify the basic characteristics of consumers' purchasing styles according to the level of product involvement. 2) To analyze the statistical differences about each purchasing style characteristics according to the level of product involvement and demographic variables. 3) To develop the model format for a Profile of Consumer Purchasing Style Characteristics, which will provide basic data for consumer education. The university students in Taegu area were the subjects of the survey. the sample size analyzed in this study was 310. Data were analyzed by frequency, percentile, mean, standard deviation, factor analysis, t-test, ANOVA and Scheff -test as a post-hoc analysis. The major findings of this study can be summarized as follows; 1) consumers' purchasing style characteristics of Korean university students were identified as 8 purchasing styles. 2) Each purchasing style characteristics of Korean university students showed middle level.(average 5-7 paints) 3) The demographic variables which generally affect each purchasing style characteristics were age, sex and family income. 4) A Profile of Consumer Purchasing Style Characteristics was proposed on the basis of these results. The model format developed in this study will be appliable to consumer education.

• Journal of Environmental Impact Assessment
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• v.25 no.2
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• pp.155-164
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• 2016

Soil has been recognized as an important resource due to its finitude and valuable functions. Therefore, many countries have adopted soil quality related indicators in Strategic Environment Impact Assessment(SEIA). However, Korean SEIA has used limited indicators such as soil contamination until now. In this study, the SEIA on "Development Basic Plan" was modified for considering complex characteristics of soil and applied to "Bogeumjari Housing Supply Plan" and "Urban Management Plan". The performance of the SEIA considering soil characteristics was evaluated using a checklist for assessing consistency with upper plan, adequacy of alternatives, and feasibility of siting. Soil organic matter and soil erosion were derived as main indicators for "Basic Development Plans". The proposed SEIA technique equipped with soil indicators is proved to contribute to the soil resource conservation.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.37 no.5
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• pp.905-914
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• 2017

We examine 554 state basic districts and 1832 householders in Busan metropolitan city to see whether the physical and walkable characteristics of housing influence apartment housing prices. We use two-level models modeling for a more accurate analysis. Walkable characteristics in level 2 state basic districts potentially explain 77% of the variation in housing values, with the highest impact on crime safety characteristics. Overall, our spatial multi-level analysis based on new state basic districts in Korea explained price variation better than previous studies, which considered each householder. The results provide policy opportunities for planners and citizen groups to pursue strategies that encourage the development of walkable and sustainable neighborhoods.

• Journal of the Society of Disaster Information
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• v.18 no.4
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• pp.769-777
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• 2022

Purpose: This study analyzes and studies the characteristics of the Jeju area and uses them as basic data such as construction method design in the future development project. Method: Based on the ground survey data of the construction conducted in Jeju, the depth, relative density, N value, function state, color tone, groundwater level, and compressive strength were analyzed and studied. Result: Studies show that Jeju has columnar joints consisting of ancient volcanic activity and rapid cooling by nearby seawater, thick sand layers found on the coast, and clinker layers and Seogwipo layers formed by Mercury volcanic activity. Conclusion: It is hoped that it will be used as data for selecting basic design and basic construction method by understanding the special ground form of Jeju area and reflecting its characteristics well when designing construction.

• Korean Journal of Social Welfare
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• v.61 no.3
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• pp.5-28
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• 2009

The purpose of this study is to examine the legal attribute of subsidiarity principle on the National Basic Livelihood Security Act. The principle of subsidiarity is applied to the regulation for 'fundamental principle of benefits' on the National Basic Livelihood Security Act, therefore it functions as legal theory. However, due to its both positive and negative characteristics it becomes to be interpreted and applied in a different meaning depending on the normative characteristics of related laws. In brief, as the passive meaning of subsidiarity principle guarantees the freedom of civilian by limiting national power, it is reasonable in social control norm like criminal law. However, as nation's active role of intervention and support is required in order to protect basic standard of human life according to the principle of Social(welfare)State, the active meaning of subsidiarity principle is reasonable in Social Security law, especially in public assistance. Hence, the principle of subsidiarity on the National Basic Livelihood Security Act becomes to realize, justice, goal fitness and legal stability when it is operated by system with interpreting in an active meaning.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.62 no.10
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• pp.1475-1480
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• 2013

In this paper, the basic design study of a water-cooling jacket, which have reported no cases for applying to railway traction motors so far, were conducted for applying to Interior Permanent Magnet Synchronous Motor (IPMSM) for railway vehicles. The basic thermal characteristics analysis of the 110kW-class IPMSM was performed by using 3-dimentional thermal equivalent network method. The necessary design requirements of the water-cooling jacket were derived by analyzing the results of the basic thermal properties. Next, the thermal characteristics analysis technique was established by using the equivalent model of the solenoid-typed pipe to be installed on the inside of the water-cooling jacket for 110kW-class IPMSM. Finally, a design model of 6kW-class water-cooling jacket was derived through the analysis of various design parameters.

• KCID journal
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• v.18 no.2
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• pp.122-141
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• 2011

The purpose of this study was to analyze the conditions of small fishing village & fishing port and to suggest the development direction of them. For this, we tried to field survey and research of development demands for 100 sample places. The results of this study were as follows; First, Small fishing villages & fishing ports have different characteristics and their primary industry was a fisheries. And they have a poor condition for basic facilities and industrial facilities, more smaller fishing port. Second, The living satisfaction of residents was decreased gradually because of a decrease in amount of catching fish, a population aging and etc. Residents and public officers was to demand an expansion of basic facilities, an investment of national expenditure and a simplification of administrative procedure. Third, We could establish the development directions by geographical location and funcion of them. And They must development consider their characteristics.

• 한국정보디스플레이학회:학술대회논문집
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• 2002.08a
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• pp.714-716
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• 2002

Indium tin oxide (ITO) was used as the top anode of top emission inverted organic light emitting diodes (TEIOLEDs). TEIOLEDs were fabricated by deposition of an aluminum bottom cathode, an N,N'-diphenyl-N,N'-bis(3-methylphenyl)-1, 1'-diphenyl-4, 4 1'-diamine (TPD) hole transport layer, a tris-8-hydroxyquinoline aluminum ($Alq_3$) emission layer, and an ITO top anode sequentially. ITO was deposited by r.f. magnetron sputtering without $O_2$ flow during the deposition. After the deposition, the deposited ITO layer was kept under oxygen atmosphere for the oxidation. The characteristics of the TEOILED were affected significantly by the post-deposition oxidation condition.