• Title/Summary/Keyword: SCREEN TEST

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Characterization of the 2 inch CNT-FED Fabricated by using a Vacuum In-Line Sealing Technology

  • Kwon, Sang-Jik;Kim, Tae-Ho;Cho, Euo-Sik;Shon, Byeong-Kyoo;Uh, Hyung-Soo;Lee, Jong-Duk;Cho, Sung-Hee;Lee, Chun-Gyoo
    • 한국정보디스플레이학회:학술대회논문집
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    • 2003.07a
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    • pp.870-873
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    • 2003
  • We have fabricated a carbon nanotube field emission display(CNT FED) panel with a 2 inch diagonal size by using screen printing method and vacuum in-line sealing technology. The sealing temperature of the panel was around 390 $^{\circ}C$ and the leak test was carried out for 72 hrs after sealing process. When field emission properties of fabricated and sealed CNT FED panel were characterized and compared with those of unsealed panel which was located in vacuum chamber of vacuum level similar with the sealed panel, the sealed panel showed more improved field emission properties.

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Change of electroencephalograph during 3-dimensional image load (입체 TV 영상(3D) 주시시의 유발전위)

  • Cho, Am
    • Journal of the Ergonomics Society of Korea
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    • v.9 no.2
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    • pp.29-35
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    • 1990
  • To investigate and analyze of the human brain-wave changes during 3-dimenslonal image load were expected to take not only an important basic information of 3-dimensional TV usage but also 3-dimensional image design. In this experiment, to analyze the difference of visual analyze handing system for which we present the 2- dimensional image having no parallex and 3-dimensional image by visual evoked potentials(VEP). 2-dimensional image and 3-dimensional image displayed on the screen through video. In the test, the time interval was one sec for presentation of stimulus considering united time of visual information of right eye and left eye during watching the 3-dimensional image also display time interval was 200 mesc for each stimulus image. Results are as follow, (1) N190 appears faster 16msec-20msec in the point of Fz, Cz, Pz, Oz when loaded 3D4 angle than 2D3 angle. (2) About of the P300, 3D4 angle(Otherwise, Oz point was reverse) and in the case of no equipment of liquid crystal shutter, there appeared PEAK near the P250. (3) There were 5% significant difference when the liquid crystal shutter was equiped and didn't, Therefore, this phenomenon show the possibility that Liquid crystal shutter influences on Visual Evoked Potentials.

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DNA testing for fragile X syndrome in school for severely emotionally handicapped children in Korea

  • Hong, Sung-Do David;Lee, So-Young;Oh, Myung-Ryurl;Jin, Dong-Kyu
    • Journal of Genetic Medicine
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    • v.2 no.2
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    • pp.83-86
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    • 1998
  • Though Fragile X syndrome is one of the most common inherited causes of mental retardation, it is not much detected yet in Korean population. One of the reason may be that the syndrome is not well known to the special education teachers as well as to the clinicians in this country. Thus, molecular test was undertaken to screen out fragile X syndrome in 122 children of two Korean schools for emotionally severely handicapped children. The subjects were all boys, previously known as having pervasive developmental disorder with or without mental retardation. Southern blot analysis of peripheral blood showed the abnormally enlarged (CGG)n repeat sequence associated with fragile X syndrome in two children. This finding suggests that the DNA testing for fragile X syndrome is warranted for Korean high risk population and that more concern about this syndrome is needed for the professionals who work for mentally handicapped children. The issues involved in genetic counseling for fragile X syndrome are discussed.

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A Clinical Report of Patient of Autoimmunity disease treated with Gwackryungtang (곽령탕을 투여한 자가면역질환 환자 1례에 대한 임상적 고찰)

  • Kim, Hee-Chul;Lee, Young-Soo;Ryu, Hyung-Cheon
    • Herbal Formula Science
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    • v.13 no.1
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    • pp.215-222
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    • 2005
  • About the case of the patient who has diagnosed Systemic Lupus Erythematosus and admissed to our hospital from 27. January. 2005 to 28. February 2005, we could controll by herb medications userd differently patients-to-patients. SLE does not exactly correspond to any specific category of oriental medicine. But, according to previous reports, it can be controlled by oriental differential diagnosis of symptoms and signs. Because we diagnosed and treated her as at the point of Oriental Medicine and got the improvement, so we report. We think that the patient must get the screen test exactly and treat the disease proper ly, and if we apply this result to clinical cases at the point of Oriental Medical base from gathering and researching more cases, it will arouse sympathy-the excellence of Oriental Medicine and make the necessity of the further research and report from now on.

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Effect of Korea Ginseng Root on Detoxification of Heavy Metal, Mercury by Fusarium oxysporum (고려인삼이 Fusarium oxysporum에 의한 중금속 수은의 해독작용에 미치는 영향)

  • Kim, Young-Ho;Park, Eun-Kyung;Park, Kyu-jin
    • Journal of Ginseng Research
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    • v.16 no.1
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    • pp.24-30
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    • 1992
  • Extracts of Panax ginseng root significantly induced tolerance of Fusarium oxysporum to heavy metal, mecury, as the fungal mycelial growth was less inhibited by mercury chloride on potato dextrose medium(PDA) amended with ginseng root than on the PDA with no ginseng amendment. The most favorable concentration of ginseng root powder in detoxification of mercury chloride was 1%. The induced tolerance of F. oxysporum to mercury chloride appeared to be rather due to absorption of ginseng components, and was not related to stimulation of mycelial growth of the fungus per so by ginseng treatment. Ginseng components responsible for inducing tolerance of the fungus to mercury were involved in the water fraction of the ginseng root extract, although the water fraction had no effect on enhancement of the mycelial growth on the medium without mercury chloride. The hexane fraction of ginseng root extract, by which the mycelial growth was stimulated, was not related to the inducement of the tolerance to mercury chloride. However, more tolerance to mercury chloride was noted in PDA with both the water and hexane fractions combined than with either of the two fractions. Six-year-old ginseng roots were more effective in detoxification of mercury chloride than 4-year-old ginsng roots, and American ginseng (P quinquifolium) had no or little effect on inducing tolerance of the fungus to mercury chloride. This method may be used to screen other natural materials for test in the detoxification of mercury chloride.

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The Evaluation of Immunochromatographic Assay kit for Rapid Detection of Hepatitis B Surface Antigen (Hepatitis B Surface Antigen을 신속히 검출하기 위한 Immunochromatographic Assay kit의 성능 평가)

  • Shin, Hyeong-Soon;Kim, Young-Bong;Shin, Jung-Woo;Kim, Chang-Kyu;Lee, Wang-Sik;Kim, Han-Kyeom;Shin, Kwang-Soon
    • The Journal of Korean Society of Virology
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    • v.27 no.2
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    • pp.137-141
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    • 1997
  • We evaluated Immunochromatographic assay kit to screen HBsAg in human serum. When the reference HBsAg was applyed to ICA, HA and EIA kits, the limit of detection for HBsAg were found out to be 4, 2 and 0.25 ng/ml respectively. But ICA kit required 5 minutes to read the result whereas HA and EIA kit more than one hour. The sensitivity was 97% (29 of 30 samples) and the specificity 100% (45 samples) compared with conventional EIA. The ICA kit needs no instrument or machine to perform the test contrary to the conventional methods. Therefore, this rapid and sensitive ICA kit can be used for HBsAg-screening, especially in the emergency room and in the scene of the accident.

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Penetration Fracture Characteristics of Orthotropic CFRP Laminates Shells according to Curvature (곡률이 다른 직교이방성 CFRP 적층쉘의 관통파괴특성)

  • Yang, Yong Jun;Pyeon, Seok Beom;Cha, Cheon Seok;Yang, In Young
    • Journal of the Korean Society of Safety
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    • v.31 no.6
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    • pp.6-11
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    • 2016
  • CFRP composite laminates are widely used as structural materials for airplanes, automobile and aerospace vehicles because of their high strength and stiffness. This study aims to examine an effect of curvature on the penetration fracture characteristic of an orthotropic composite laminated shell. For the purpose, we manufactured orthotropic CFRP shell specimen with different curvatures, and conducted a penetration test using an air-gun. Those specimens were prepared to varied curvature radius(${\infty}$, 200mm, 150mm and 100mm)and were stacked to $[O^{\circ}{_3}/90^{\circ}{_3}]_s$. When the specimen is subjected to transverse impact by a steel sphere(${\Phi}10$), the velocity of steel sphere was measured both before and after impact by determining the time for it to pass two ball-screen sensors located a known distance apart. As the curvature increases, the absorption energy and the critical penetration energy increased linearly because the resistance to the bending moment. Patterns of cracks caused by the penetration of CFRP laminated shells included fiber breakage, lamina fracture, matrix crack interlaminar crack and intralaminar crack.

Influencing Factors of Subjective Sleep Quality among Middle-aged Women (중년여성의 주관적 수면의 질에 영향을 미치는 요인)

  • Cho, Eun-Jung
    • Women's Health Nursing
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    • v.13 no.3
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    • pp.201-210
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    • 2007
  • Purpose: The purposes of this study were to (a) explore the prevalence of sleep patterns of middle-aged women; (b) identify the relationship between subjective sleep quality and its related variables; and (c) predict the possible explanations of how the related factors affect subjective sleep quality of middle-aged women. Methods: A total of 256 women aged 40-60 years were purposely sampled and given self-administered questionnaires in a cross-sectional, correlation coefficient design. The data was analysed using t-test, one-way ANOVA, Pearson's correlation coefficients, and stepwise multiple regression. Results: The results were as follows; (a) a total of 40% of the women were poor sleepers as defined by a global PSQI score >5; (b) there were significant differences in quality of sleep related to type of family, number of present illnesses, and use of medication; (c) health promoting behaviors, family functioning, depression, and climacteric symptoms were significantly related to subjective sleep quality; and (d) 34% of variance in subjective sleep quality can be explained by climacteric symptoms, depression, type of family, and spouse. Conclusions: Our findings suggested a high proportion of poor sleeping in middle-aged women. Poor sleeping appeared to have poor health promoting behaviors, lower family functioning, worse depression, and higher climacteric symptoms. Climacteric symptoms, depression, type of family, and spouse were independent risk factors for poor sleeping. Nurse professionals should screen for sleep problems in middle-aged women with a biopsychosocial and behavioral aspect.

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SELDI-TOF MS Combined with Magnetic Beads for Detecting Serum Protein Biomarkers and Establishment of a Boosting Decision Tree Model for Diagnosis of Pancreatic Cancer

  • Qian, Jing-Yi;Mou, Si-Hua;Liu, Chi-Bo
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.5
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    • pp.1911-1915
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    • 2012
  • Aim: New technologies for the early detection of pancreatic cancer (PC) are urgently needed. The aim of the present study was to screen for the potential protein biomarkers in serum using proteomic fingerprint technology. Methods: Magnetic beads combined with surface-enhanced laser desorption/ionization (SELDI) TOF MS were used to profile and compare the protein spectra of serum samples from 85 patients with pancreatic cancer, 50 patients with acute-on-chronic pancreatitis and 98 healthy blood donors. Proteomic patterns associated with pancreatic cancer were identified with Biomarker Patterns Software. Results: A total of 37 differential m/z peaks were identified that were related to PC (P < 0.01). A tree model of biomarkers was constructed with the software based on the three biomarkers (7762 Da, 8560 Da, 11654 Da), this showing excellent separation between pancreatic cancer and non-cancer., with a sensitivity of 93.3% and a specificity of 95.6%. Blind test data showed a sensitivity of 88% and a specificity of 91.4%. Conclusions: The results suggested that serum biomarkers for pancreatic cancer can be detected using SELDI-TOF-MS combined with magnetic beads. Application of combined biomarkers may provide a powerful and reliable diagnostic method for pancreatic cancer with a high sensitivity and specificity.

The Impact of Initial eWOM Growth on the Sales in Movie Distribution

  • Oh, Yun-Kyung
    • Journal of Distribution Science
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    • v.15 no.9
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    • pp.85-93
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    • 2017
  • Purpose - The volume and valence of online word-of-mouth(eWOM) have become an important part of the retailer's market success for a wide range of products. This study aims to investigate how the growth of eWOM has generated the product's final financial outcomes in the introductory period influences. Research design, data, and methodology - This study uses weekly box office performance for 117 movies released in the South Korea from July 2015 to June 2016 using Korean Film Council(KOFIC) database. 292,371 posted online review messages were collected from NAVER movie review bulletin board. Using regression analysis, we test whether eWOM incurred during the opening week is valuable to explain the last of box office performance. Three major eWOM metrics were considered after controlling for the major distributional factors. Results - Results support that major eWOM variables play a significant role in box-office outcome prediction. Especially, the growth rate of the positive eWOM volume has a significant effect on the growth potential in sales. Conclusions - The findings highlight that the speed of eWOM growth has an informational value to understand the market reaction to a new product beyond valence and volume. Movie distributors need to take positive online eWOM growth into account to make optimal screen allocation decisions after release.