• 한국의상디자인학회지
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• 제21권1호
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• pp.1-15
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• 2019

The purpose of this study is to develop ICT utilization learning materials for a chapter titled 'Environment Friendly Clothing and Reform of Clothing' in technology and home economics textbooks for Year 2 students in middle school. The research methods were selected from ten types of junior high school technology textbooks, which were revised in 2009, and mainly focused on items such as jeans, shirts, shirts, cardigans, and skirts, Using selected textiles and basic design t-shirts, five works were made using structural and decorative details. The results of this study are as follows. First, textile products shown in the chapter 'Environment Friendly Clothing and Reform of Clothing' are most commonly worn and found in daily life. With regard to a reuse method, structural changes to clothing are proposed. For example, cases relating to the changing of a neckline or the use of a shirt or a sleeve are presented. There are some decoration methods adapted in reuse; using ornaments, such as spangles and emblems, patchwork, shirring and the constucting of collages. Second, following the plan, 5 items are designed with T-shirts, shirts, cardigans and skirts. For the T-shirt design, other fabrics including organza and neoplan are used from design point of view, in addition to reused textile products. Detailed structural changes of necklines, sleeves and collars and detailed and the ornamentation method including shirring, smoking, patchwork and collages are used. Third, this study proposes 6 categories (profile, design planning, diagram, reused textile product, production method and order and pictures of T-shirts developed) under the title of 'T-shirt Made Out of Disposed Clothing', selecting a blog as active teaching and learning material as a part of the ICT utilization in educational settings.

• 한국디자인학회:학술대회논문집
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• 한국디자인학회 2005년도 추계 학술발표대회 논문집
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• pp.84-85
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• 2005

• 한국디자인학회:학술대회논문집
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• 한국디자인학회 2001년도 디자인학연구 2001 봄 학술발표회 논문집
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• pp.26-27
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• 2001

• 디자인학연구
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• 제20권3호
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• pp.335-344
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• 2007

<훈민정음>이야말로.세계적인.멋지음(디자인)이다.. 한글은.큰.멋짓이다.. 한글.디자인의.의도,.철학적.배경,.운용.원리.및. 사용.방법을.간명하게.적어놓은. <훈민정음>.역시.세계적인.디자인.이론서이다.. 디자인의.우리말은.'멋지음',.'멋짓'이다.. 디자인은.그.무엇의.멋지음이다.. 멋지음은.때로.꼴을.가지지.않은.것,. 얼을.짓는.것(디자인하기)이며,. 생각을.어떤.꼴로.만들어내는.'지음'이기도.하다.. 멋짓은.디자이닝의.행위를.포괄한다.. 그.중.시각디자인은.'봄멋짓',. 패션디자인.은.'옷멋짓'.등이라.할.수.있다.. 글꼴멋짓(타이포그라피)은.봄멋짓의.등뼈.. 한글.멋짓은.우리.멋짓의.기둥. 멋의.바탕은.어울림이다.. 다름이.살아있는.멋.. 그것은.우리.디자인의.제다움(정체성)과도. 통하는.것이다.. 이렇듯.'멋지음,.멋짓'이라는.우리말로.보면. 다른.나라.말에서.오는.'디자인'이라는.말에서.느끼던.것과.다르게.새로운.면이.느끼게.되며.보이게.된다..

• 한국세라믹학회지
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• 제46권3호
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• pp.275-281
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• 2009

Porous materials were manufactured by hydrothermal treatment of waste bottle glass without foam agent. Factorial design was applied to analyze data by statistical methods and deal with the important factors for a process. The largest effect for porosity was for temperature of hydrothermal treatment. Amount of water and temperature-water interaction appeared to have little effect. The particle size of raw material was also identified as a major factor by one-way ANOVA and the porosity decreased as the size increased. The sintering temperature was not statistically significant for the porosity but was significant for the pore size. The porous material had compressive strength and thermal conductivity comparing with those of ALC (autoclaved lightweight concrete), although it has higher porosity than for ALC.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 1998년도 추계종합학술대회 논문집
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• pp.625-628
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• 1998

This paper presents the design method of a temperature stable stepped-impedance resonator using composite material. In this method temperature coefficient of dielectric constant $(\tau\varepsilon)$ and thermal expansion coefficient $(\alpha1)$ of dielectric material were considered. Ba(Zn1/3Nb2/3)O3 and CaZrO3 as composite material having opposite signs of temperature coefficient of dielectric constant were selected. The length of this resonator for the temperature stability of resonance frequency was calculated at 900MHz, 1.4㎓ and 1.9㎓. It was found that the ratio of the length of positive $\tau\varepsilon$ materal to the length of negative $\tau\varepsilon$ material is constant at various resonance frequencies.

• 한국실내디자인학회논문집
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• 제13권2호
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• pp.91-99
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• 2004

This study aims to embody material and non-material factors forming space and to explain our experience in space. Space is formed by material factors and their disposition. One space becomes a new space by such factors 'arrangement. Nevertheless, one space is never swayed by material factors and their disposition. Space is a reflection of social relations and historical process, and is also affected by its users. Space can not neutrally exist, for it compels its users to keep a specific life style. Space users have experience in space by practice. Practice enables its users to experience various relationships space makes, and as well it allows them to have creative experience in space by twisting them and inducing a new relationship.

• 산업공학
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• 제20권3호
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• pp.257-266
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• 2007

To survive in rapidly changing business environment, the enterprises of all over the world are trying to integrate their IT infra structure and are trying to automate their business process. Service Oriented Architecture (SOA) is being accepted as an IT standard to support efficient system integration and flexible business process automation between enterprises or departments. The material control system is required this software architecture between manufacturing company and materials supply vendors. This paper introduces concept of SOA, relevant technology about SOA such as Web Services and Business Process Execution Language (BPEL) and Enterprise Service Bus (ESB) and describes how to automate materials control process by designing the material control system based on SOA. The analysis of requirements is proceeded by Unified Modeling Language (UML) and SOA delivery strategy is selected the top-down strategy. And this paper describes how to derive services and operations and how to arrange services in three service layers and how to design business process.

• Journal of Mechanical Science and Technology
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• 제14권3호
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• pp.306-313
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• 2000

The homogenization method and the density function method are common approaches to evaluate the equivalent material properties for design cells composed of matter and void. In this research, using a new topology optimization method based on the homogenized material with a penalty factor and the chessboard prevention strategy, we obtain the optimal layout of a structure for the natural frequency of a designated mode. The volume fraction of nodes of each finite element is chosen as the design variable and a total material usage constraint is imposed. In this paper, the subspace method is used to evaluate the eigenvalue and its corresponding eigenvector of the structure for the designated mode and the recursive quadratic programming algorithm, PLBA algorithm, is used to solve the topology optimization problem.

• Structural Engineering and Mechanics
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• 제30권1호
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• pp.99-117
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• 2008

This paper presents a comprehensive approach to the evaluation of macroscopic material parameters for natural stone and quarry masonry. To that end, a reliable non-linear material model on a meso-scale is developed to cover the random arrangement of stone blocks and quasi-brittle behaviour of both basic components, as well as the impaired cohesion and tensile strength on the interface between the blocks and mortar joints. The paper thus interrelates the following three problems: (i) definition of a suitable periodic unit cell (PUC) representing a particular masonry structure; (ii) derivation of material parameters of individual constituents either experimentally or running a mixed numerical-experimental problem; (iii) assessment of the macroscopic material parameters including the tensile and compressive strengths and fracture energy.