• Journal of Microbiology and Biotechnology
• /
• v.15 no.3
• /
• pp.640-645
• /
• 2005

The function of the desVIII gene in the pikromycin producer Streptomyces venezuelae was characterized by gene deletion and complementation analysis. In addition to the DesVII glycosyltransferase, the desVIII gene that has previously been suggested to be required for the incorporation of endogenous deoxysugar, TDP-D-desosamine, into the aglycone of pikromycin is also required for the transfer of exogenous deoxysugars, TDP-D-quinovose and TDP-D-olivose.

• The Journal of the Korea institute of electronic communication sciences
• /
• v.10 no.12
• /
• pp.1361-1366
• /
• 2015

In Korea, the special seats for vulnerable users such as the elderly and pregnant woman are provided. However, the usage of seats is very low due to the ignoring or lack of recognition about pregnant woman even though pregnant woman approaches the seat. In this paper, we first consider the problem of special seats for pregnant woman and propose the wireless communication based pregnant alarm service which announces approaching of pregnant woman when pregnant woman moves toward the seats for pregnant woman. First, the service concept and scenario are introduced. Then, we deal with wireless communication technologies which provides the alarm service and their properties. In addition, we discuss implementation issues for realizing the proposed system.

• Journal of Engineering Education Research
• /
• v.10 no.3
• /
• pp.21-37
• /
• 2007

The purpose of this study is to exploring the direction of woman engineering education by the analysis of learner's recognition. In order to investigate the direction of woman engineering education, the literature reviews were explored in the context of the human resource developmentand in the viewpoint of instructional technology. The survey results such as the learner's experience recognition of engineering education were analyzed and they were discussed by experts in the field of education, instructional technology, and engineering. From the analysis result of 399 students(man:206, woman:193) in P university, there were significant differences with man and woman to the factors of (a) understanding, (b) satisfaction, (c) motivation, (d) learning ability, (e) parents' expectation, (f) pleasure in the study, and (g) expectation grade. This study was suggesting the recommendations of woman engineering education in the viewpoints of cognition, emotion, motivation, environment and instructional strategy. The research results will show the cues of human resource development for women in the field of engineering education.

• Journal of the Korea Society of Computer and Information
• /
• v.20 no.9
• /
• pp.67-72
• /
• 2015

Recently, studies that interact with human and things through motion recognition are increasing due to the expansion of IoT(Internet of Things). This paper proposed the system that recognizes the user's logical activity in home environment by attaching some sensors to various objects. We employ Arduino sensors and appreciate the logical activity by using the physical activitymodel that we processed in the previous researches. In this System, we can cognize the activities such as watching TV, listening music, talking, eating, cooking, sleeping and using computer. After we produce experimental data through setting virtual scenario, then the average result of recognition rate was 95% but depending on experiment sensor situation and physical activity errors the consequence could be changed. To provide the recognized results to user, we visualized diverse graphs.

• Journal of Engineering Education Research
• /
• v.17 no.3
• /
• pp.69-76
• /
• 2014

This paper examines the life and achievements of Lillian E. Gilbreth(l878-1972) called 'the first lady of American engineering' as an attempt to excavate women engineers in history. Lillian changed her majors from English literature to psychology of management through her marriage, and tried to integrate psychology of management and scientific management by coworking with her husband. After that, Lillian contributed to extend scientific management to the domain of domestic labor, institutionalize industrial engineering in American universities and enhance the status of woman in engineering societies by her own independent research and education. The success factors of Lillian Gilbreth as a woman engineer includes the development of professional career by conquest of various social discrimination, the positive understanding and assistance by neighborhood males, the selection of an emerging field like industrial engineering, and so on. This study can provide not only a case of role model for women engineers but also practical reference materials for gender-sensitive engineering education.

• Progress in Medical Physics
• /
• v.23 no.3
• /
• pp.199-208
• /
• 2012

The computational human phantom including major radiation sensitive organs at risk (OARs) can be used in the field of radiotherapy, such as the variation of secondary cancer risks caused by the radiation therapy and the effective dose evaluation in diagnostic radiology. The present study developed a Korean adult female voxel phantom, VKH-Woman, based on serially sectioned color slice images of Korean female cadaver. The height and weight of the developed female voxel phantom are 160 cm and 52.72 kg, respectively that are virtually close to those of reference Korean female (161 cm and 54 kg). The female phantom consists of a total of 39 organs, including 27 organs recommended in the ICRP 103 publication for the effective dose calculations. The female phantom composes of $261{\times}109{\times}825$ voxels (=23,470,425 voxels) and the voxel resolution is $1.976{\times}1.976{\times}2.0619mm^3$ in the x, y, and z directions. The VHK-Woman is provided as both ASCII and Binary data formats to be conveniently implemented in Monte Carlo codes.

• Journal of Korean Society of Industrial and Systems Engineering
• /
• v.4 no.5
• /
• pp.43-50
• /
• 1981

The behavior of woman consumer is changing according is its situation and includes its complexity. The complexities are being changed by the economic, psycalogical social, and cultural factors. The influence of group on the behavior of consumer -the primary, secondary, formal, informal, membership and reference group -has a great influence on the buying decision. Though manufacturers have pursued only behavior, now they must pursue the positive promotion behavior on the basis of convert behavior of current consumer's behavior. The research of consumer's behavior must be performed scicntificallyan and it must be more practical approach.

• Journal of Ecology and Environment
• /
• v.29 no.6
• /
• pp.559-563
• /
• 2006

This work was investigated the effects of the elevated $CO_2$ and Pb contamination on the growth of Pinus densiflora. Two-years pine trees were planted in Pb-contaminated soils (500 mg/kg-soil) and uncontaminated soils, and cultivated for 3 months in the growth chamber where $CO_2$ concentration was controlled at 380 or 760 ppmv. The growth of P. densiflora were comparatively analyzed in 4 kinds of soil samples (CA : $CO_2$ 380 ppmv + Pb 0 mg/kg, CB : $CO_2$ 380 ppmv + Pb 500 mg/kg, EA : $CO_2$ 760 PPmv + Pb 0 mg/kg, EB : $CO_2$ 760 ppmv + Pb 500 mg/kg). It was measured the growth changes of the p. densiflora caused by $CO_2$ concentration and Pb contamination. The growth of P. densiflora was remarkably inhibited in the Pb-contaminated soil, although the biomass and the root elongations were not significantly affected by the elevated $CO_2$. These results suggested that the growth of p. densiflora was sensitively influenced by Pb contamination rather than $CO_2$ concentration. Compared to the initial soil, total Pb concentration in the soil samples was decreased at 760 ppmv $CO_2$ as well as at 380 ppmv $CO_2$ after 3 months. The accumulation of Pb in the roots at 760 ppmv $CO_2$ was two-fold of that at 380 ppmv $CO_2$, indicating that Pb bioavailability in the root of p. densiflora might be affected by the elevated $CO_2$.

• Journal of Engineering Education Research
• /
• v.18 no.4
• /
• pp.13-25
• /
• 2015

The purpose of this study was to investigate structural relationships among engineering self-efficacy, outcome expectation, interest, learning persistence, and career preparation behavior of engineering students. Participants (n=428) completed measures of engineering self-efficacy, outcome expectations, interests, learning persistence, and career preparation behavior. Results from structural equation modeling analysis were found to support the proposed model which included learning persistence and career preparation behavior, influence from engineering self-efficacy, outcome expectations, and interests. In addition, major persistence intention and career preparation behavior of engineering college students are influenced by the direct and indirect effects on engineering self-efficacy, interest, and outcome expectations. The implications of the findings on practice for Korean engineering college students are discussed.

• Toxicological Research
• /
• v.31 no.3
• /
• pp.273-278
• /
• 2015

The aim of this study was to develop an efficient quantitative method for the determination of acetaldehyde (AA) and formaldehyde (FA) contents in solid and liquid food matrices. The determination of those compounds was validated and performed using gas chromatography-mass spectrometry combined by solid phase micro-extraction after derivatization with O-(2,3,4,5,6-pentafluoro-benzyl)-hydroxylamine hydrochloride. Validation was carried out in terms of limit of detection, limit of quantitation, linearity, precision, and recovery. Then their contents were analyzed in various food samples including 15 fruits, 22 milk products, 31 alcohol-free beverages, and 13 alcoholic beverages. The highest contents of AA and FA were determined in a white wine (40,607.02 ng/g) and an instant coffee (1,522.46 ng/g), respectively.