• Journal of the Korean Society of Clothing and Textiles
• /
• v.23 no.5
• /
• pp.635-644
• /
• 1999

The purpose of this study is to investigate the visual sensibilities of brassiere design. Brassieres were divided into three types according to connection of a cup and a strap. In each type Lace was used where the part of the cup divided by lines which were constructed such as a mold horizontal a vertical a mixed and an oblique design. As a result 39 brassieres were obtained. The experiment has been done for the 39 brassieres with 17 semantic differential bi-polar scales. The subjects were 60 female students majoring in clothing and textiles, The data was analyzed using the statistical SPSS package. The major findings of this research were as follows. 1. As a results of the factor analysis, 3 factors(Attractiveness Appearance. Cuteness) were found to be constructing factors for brassiere image. 2. There were significant differences in the visual evaluation of brassiere design especially in the change of lace. 3. As a result of the regression analysis the images affecting preferences were pretty fascinating natural appropriate sexy and clean.

• Journal of the Korean Society of Clothing and Textiles
• /
• v.21 no.3
• /
• pp.589-599
• /
• 1997

The purpose of this study was to investigate compostion factor and special qualities of design about Korean clothing image. The 72 samples were obtained from domestic fashion magazines. The questionnaire, which was composed 23 semantic diffrential bi-polar scales, was distributed to 50 female students majoring in Clothing and Textiles. The data were analyzed through factor analysis, anova, scheffe's test, clust analysis. The results were as follows; 1) Through factor analysis about Korean clothing image, 5 factors were identified; elegance, simplicity, femininity, tradition, looseness. 2) By cluster analysis, 3 clusters were determined according to Korean clothing image. Special qualities of design about Korean clothing image showed that there were lots of H silhouette in clothing form, related harmony in color harmony, somewhat rough and crude in texture and simple design in decoration. Top was more or less fit and bottom was found somewhat exaggerated tendency in fitness. 3) As a result of the visual evaluation about Korean clothing image, there were significant differences in all factors.

• Proceedings of the KIEE Conference
• /
• 2005.10c
• /
• pp.166-168
• /
• 2005

본 논문에서는 고효율 고휘도의 신광원을 개발함에 있어, 전계방출(Field Emission) 원리를 이용하여, 이미터로서의 성능이 입증된 CNT(Carbon Nanotube, 탄소나노튜브)를 이용한 평판 형태의 신개념 램프에 대한 펄스전원장치에 대한 연구를 하였다. 특히, Triode형 CNT 램프 구동을 위해서는 캐소드(cathode)와 게이트(gate) 사이에서 양방향(Bi-polar) 저전압 펄스가 필요하고 애노드(anode)에 직류 고전압이 필요하여 이를 위한 저전압 펄스 및 직류 고전압 전원장치에 대한 개발을 연구하였다.

• The Academic Congress of Korean Shoulder and Elbow Society
• /
• 2002.10a
• /
• pp.11-19
• /
• 2002

This prospective clinical study evaluates the 5-10 year results of the BiPolar shoulder Arthroplasty in patients with end-stage RotatorCuff Arthropathy. The study group consisted of 48 patients (59 shoulders). Average age was 72 years and average FU time was 73 months. Results showed that the average UCLA score went from 7.9 Pre-op to 23.3 Post-op. Final Constant score averaged $52\% (unadjusted). Pain relief using the VAS was 1.2(were 0=no pain. 15 = excruciating pain). ROM improved by an average of $20^\circ$. There were 2 reoperations because of periprosthetic fractures. Despite rather poor functional results, these patients were satisfied with their pain relief and the functional gains accompanying pain relief would be an added benefit.

• Journal of Biomedical Engineering Research
• /
• v.27 no.1
• /
• pp.30-37
• /
• 2006

Injecting currents into an electrically conducting subject, we may measure the induced magnetic flux density distributions using an MRI scanner. The measured data are utilized to reconstruct cross-sectional images of internal conductivity and current density distributions in Magnetic Resonance Electrical Impedance Tomography (MREIT). Injection currents are usually provided in a form of mono-polar or bi-polar pulses synchronized with an MR pulse sequence. Given an MRI scanner performing the MR phase imaging to extract the induced magnetic flux density data, the current source becomes one of the key parts determining the signal-to-noise ratio (SNR) of the measured data. Since this SNR is crucial in determining the quality of reconstructed MREIT images, special care must be given in the design and implementation of the current source. This paper describes a current source design for MREIT with features including interleaved current injection, arbitrary current waveform, electrode switching to discharge any stored charge from previous current injections, optical isolation from an MR spectrometer and PC, precise current injection timing control synchronized with any MR pulse sequence, and versatile PC control program. The performance of the current source was verified using a 3T MRI scanner and saline phantoms.

• Journal of the Korean Institute of Electrical and Electronic Material Engineers
• /
• v.27 no.11
• /
• pp.707-711
• /
• 2014

The $0.99Bi_{0.5}(Na_{0.78}K_{0.22})_{0.5}TiO_3-0.01LaAlO_3$, $0.01LaMnO_3$ or $0.01LaFeO_3$ (0.99BNKT-0.01LA, 0.01LM or 0.01LF) ceramics were prepared by a conventional mixed mothod. The structure and morphology of the lead free ceramics were characterized by XRD (X-ray diffraction) and FE-SEM (field emission scanning electron microscopy). XRD results indicated that the BNKT ceramics modified by LA, LM or LF induced a transition from a ferroelectric tetragonal to a non-polar pseudo-cubic phase, leading to decrease in the remnant polarization ($P_r$) and coercive field ($E_c$) in the P-E hysterisis loops. The effects of the BNKT ceramics modified by La-based $ABO_3$ pervskite structure on the electric-field induced strain were investigated, and the largest normalized unipolar strain ($S_{max}/E_{max}$) was found in BNKT-0.01LF ceramic.

• Journal of the Korean Ceramic Society
• /
• v.52 no.4
• /
• pp.237-242
• /
• 2015

$Bi_{0.5}(Na_{0.78}K_{0.22})_{0.5}TiO_3$ (BNKT) lead-free piezoelectric ceramics modified by $LaMnO_3$ (LM) were fabricated by conventional solid-state method. The crystal structure and the morphology of the lead free ceramics were analyzed by XRD (X-ray diffraction) and FE-SEM (Field Emission Scanning Electron Microscopy). The LM modified BNKT ceramics have a phase transition from ferroelectric tetragonal to non-polar pseudo-cubic. Despite decreases in the remnant polarization ($P_r$) and coercive field ($E_c$) in the P-E hysteresis loops, the electric-field induced strain properties were significantly enhanced by the LM modification. The highest value of $S_{max}/E_{max}=412pm/V$ at an applied electric field of 5 kV/mm was found in BNKT-0.01LM ceramic.

• Clinical and Experimental Reproductive Medicine
• /
• v.40 no.1
• /
• pp.7-11
• /
• 2013

Objective: We evaluated the fertilization potential of immature oocytes obtained from controlled ovarian hyperstimulation cycles of patients undergoing ICSI. Methods: We retrospectively analyzed 463 ICSI cycles containing at least one immature oocyte at oocyte denudation. ICSI was performed on mature oocytes at oocyte denudation (metaphase-II [MII] oocytes) and the oocytes that extruded the first polar body between oocyte denudation and ICSI (MI-MII oocytes). Fertilization and early embryonic development were compared between MII and MI-MII oocytes. To investigate the pregnancy potential of MI-MII oocytes, the pregnancy outcome was analyzed in 24 ICSI cycles containing only immature oocytes at retrieval. Results: The fertilization rate of MI-MII oocytes (37.0%) was significantly lower than that of MII oocytes (72.3%). The rates of delayed embryos and damaged embryos did not significantly differ. Eighty-one immature oocytes were retrieved in 24 cycles that retrieved only immature oocytes and 61 (75.3%) of them were in the MI stage. ICSI was performed on 36 oocytes (59.0%) that extruded the first polar body before ICSI and nine MI-MII oocytes (25.0%) were fertilized. Embryo transfers were performed in five cycles. Pregnancy was observed in one cycle, but it ended in biochemical pregnancy. Conclusion: In ICSI cycles, oocytes that extruded the first polar body between denudation and ICSI can be used as a source of oocytes for sperm injection. However, their fertilization and pregnancy potential are lower than that of mature oocytes. Therefore, ovarian stimulation should be performed carefully for mature oocytes obtained at retrieval, especially in cycles with a small number of retrieved oocytes.

• The Research Journal of the Costume Culture
• /
• v.16 no.5
• /
• pp.841-851
• /
• 2008

The purpose of the study was to examine the effect of motif categories and motif colors on evaluating sensory image of fashion materials with the gestalt theory as the background. The research was conducted on a quasi experimental basis, with subjects numbering 187 male and 207 female college students. Data were collected in the period from march 19th to march 31st, 2007. A set of fabric stimuli and semantic differential scales were developed. The stimuli were thirteen fabric species(each measuring 12 by 13cm). Variables included; (a) motif colour(white, grey, pink and blue) (b) motif categories(plain, paisley, flower, stripes and zebra effect). The semantic differential scale to measure sensory image of fabric stimuli included 23 sets of bi-polar adjectives. The data were analysed by factor analysis and ANOVA and the major finding were as follows. 1) Four sensory dimensions emerged of importance: salience, attractiveness, comfort and softness. 2) The motif category effected on the four sensory image dimensions while the motif colour effected on salience, comfort and softness sensory dimensions. 3) An interaction effect was founded between motif category and motif colour. 4) Motif category showed significant effects on the preference and liking of the fashion, however the motif colour did not show any significant effects on the preference and liking. As a whole the results supported the gestalt theory and the results can be used for the marketing strategy for developing fashion fabrics.

• Journal of the Korean Society of Clothing and Textiles
• /
• v.24 no.6
• /
• pp.861-872
• /
• 2000

The purpose of this study is to objectively explain the visual sensibility of clothing pattern and develop the design of clothing pattern that satisfies the consumer's sensibility. The photos stimuli on clothing pattern are divided into source, presentation, layout and are composed of each 6 photos per chapter totally 48 photos and semantic differential bi-polar scales are consist of 27 couples sensibility words. The subjects were 400 females in the twenties. Data were analyzed by SAS. The major finds were as follows: 1. As a result of the factor analysis, 4 factors of visual sensibility were consist of Coordination, Hardness and Softness, Attention, Rhythm. 2. As to the difference of visual sensibility based on the composition of clothing pattern, there were differences Hardness and Softness, Rhythm by source and there were significant differences among 4 factors by presentation and layout. 3. According to the age and education level, there were significant differences in Attention, Rhythm and according to the consuming areas, there were significant differences in Coordination, Rhythm. 4. According to sensibility positioning, The clothing pattern was classified as soft-hard, simple-complicated. 5. As a result of the regression analysis, preference, consuming desire and satisfaction appears to be closely related. Good quality is related with total clothing image which is brought about composition of clothing pattern.