• Title/Summary/Keyword: Early effects

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Effects of Benomyl Application on Phomopsis Seed Decay of Early Soybeans (조생종 콩의 Phomopsis 종자부패에 대한 베노밀 처리효과)

  • 이충식;박은우;김홍식;김석동;홍은희;고문환
    • Korean Journal Plant Pathology
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    • v.10 no.3
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    • pp.222-227
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    • 1994
  • Effects of field applications of benomyl on Phomopsis seed decay of early soybeans were investigated at Suwon in 1992 and 1993. Pod and immature seed infections were markedly suppressed by benomyl application at the R6 stage whereas the spray at the R7 stage was not as effective as the spray at R6. When compared with unsprayed plots, benomyl spray at R6 resulted in decrease in Phomopsis seed infection by 37.1% and 73.9%, and increased in frequency of seed germination by 1.8% and 8.0% in 1992 and 1993, respectively. The results indicated that only one spray at early R6 could effectively reduce seed infection by Phomopsis spp.and could be adopted in a disease management program for commercial production of healthy soybean seeds.

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A Development of Portable Early Detector of Intravenous Infiltration based on Optical Sensor (광센서 기반 휴대형 침윤 조기 감지기 개발)

  • Lee, Sungjin;Shin, Bum Joo;Jeong, IhnSook
    • Journal of Korea Multimedia Society
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    • v.21 no.6
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    • pp.705-711
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    • 2018
  • Intravenous(IV) therapy being in use for many patients may cause serious side effects such as infiltration, extravasation. To minimize such side effects, it is important to detect symptoms appearing when fluid escapes from blood vessel to tissue as soon as possible. This paper describes a device which has been developed to detect IV infiltration early using optical sensor. The device detects IV infiltration as measuring intensity of lights reflected from that lights after emitting lights in IV therapy site. The lights are consisted of 4 different waves which provide different reflection ratio depending the fluid used in IV therapy. The experimental results show that the device can be used to detect IV infiltration early.

Strength Estimation Model for Early-Age Concrete Considering Microstructural Characteristics (미세구조 특성을 고려한 초기재령 콘크리트의 강도예측모델)

  • 황수덕;김의태;이광명
    • Proceedings of the Korea Concrete Institute Conference
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    • 2001.05a
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    • pp.397-402
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    • 2001
  • Microstructural characteristics such as hydrates and porosity greatly influence the development of concrete strength. In this study, a strength estimation model for early-age concrete considerig, the microstructural characteristics was proposed, which considers the effects of both an increment of degree of hydration and capillary porosity on a strength increment. Hydration modeling and compressive strength test with curing temperature and curing ages were carried out. By comparing test results with estimated strength, it is found that the strength estimation model can estimate compressive strength of early-age concrete with curing ages and curing temperature within a margin of error.

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Characteristics of High Early Strength Concrete using Regulated Set Cement (초속경시멘트를 사용한 보수용 조기강도 콘크리트의 특성)

  • Won, Jong-Pil;Kim, Hyun-Ho
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2001.10a
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    • pp.193-197
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    • 2001
  • The growth in concrete structures repair has prompted major efforts to develop high early strength concrete. The internal or external restraint of thermal shrinkage movements could thus generate tensile stresses in concrete structures if it is used rapid setting repair concrete. Restrained shrinkage and thermal stresses could produce microcracks in concrete which increase its permeability and accelerate its long-term deterioration under weathering and load effects. This study aims at evaluation and increase of the engineering properties of high early strength concrete using regulated set cement.

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Study of the Effects of Early Childhood Teachers' Social Support and Teacher Efficacy on Resilience (유아교사의 사회적 지지 및 교사효능감이 회복탄력성에 미치는 영향)

  • Park, Young Sim;Song, Hwa Jin
    • Korean Journal of Child Education & Care
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    • v.18 no.3
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    • pp.77-90
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    • 2018
  • Objective: The objective of this study is to find out the relationship among early childhood teachers' social support, teacher efficacy, and resilience, and the effects of social support and teacher efficacy on early childhood teachers' resilience. Methods: The study was conducted with 282 teachers working in kindergartens and day care centers located in Jeollabukdo, The data were analyzed using Pearson's Product-Moment Correlation Analysis, and Stepwise Multiple Regression Analysis. Results: The results of this study are as follows. First, significant positive correlation appeared among early childhood teachers' resilience, social support, and teacher efficacy. The whole social support showed positive correlation in all sub-factors of resilience, and the whole teacher efficacy did positive correlation in all sub-factors of resilience. Second, according to the results of the study of the effects of social support and teacher efficacy on early childhood teachers' resilience, personal teacher efficacy, material support, and general teacher efficacy acted as significant factors in their whole resilience. Conclusion/Implications: In conclusion, this study suggests that improving resilience should be backed up by self-improvement of teachers who are able to upgrade teacher efficacy, and social support.

The Effects of Cancer Prevention and Early Detection Education on Cancer-related Knowledge, Attitudes, and Preventive Health Behavior of Middle-aged Women in Korea (암 예방과 조기발견 교육이 중년기 여성의 암에 대한 지식, 태도 및 예방적 건강행위에 미치는 영향)

  • Park, Sun-Young;Park, Chung-Ja;Park, Jeong-Sook
    • Korean Journal of Adult Nursing
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    • v.13 no.3
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    • pp.441-450
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    • 2001
  • The purpose of this study was to identify the effects of cancer prevention and early detection education on cancer-related knowledge, attitudes, and preventive health behavior of middle-aged women in Korea. The research design was a nonequivalent control group pretest-posttest design. The subjects of this study were 38 middle-aged women from a church in Taegu. An Experimental group of 19 and a control group of 19 women were studied. The study was conducted from September 21, 2000 to October 27, 2000. The cancer prevention and early detection education had been provided to the experimental group for 2 weeks. The contents of the education program for the third most prevalent cancer of Korean women were : 'the risk factors of cancer', 'the early symptoms of cancer', 'the diagnostic test for cancer detection', and 'the cancer prevention methods'. The instruments used for this study were modified, cancer-related knowledge, and attitude, preventive health behavior tools of Suh et al.(1998). Data were analyzed using descriptive statistics, $\chi^2$-test, t-test, ANCOVA with SPSS WIN 9.0/PC. The results were as follows : 1) Hypothesis 1 that the women who get cancer prevention and early detection education will have higher scores of the cancer-related knowledge than the women do not get cancer prevention and early detection education was accepted(F=4.732, p=.037). 2) Hypothesis 2 that the women who get cancer prevention and early detection education will have higher scores of cancer-related attitudes than the women do not get cancer prevention and early detection education was rejected(F=.118, p=.733). 3) Hypothesis 3 that the women who get cancer prevention and early detection education will have higher scores of cancer-related preventive health behavior than the women who do not get cancer prevention and early detection education was rejected(F=2.250, p=.143). On the basis of the above findings, the following recommendations are suggested : 1) It is necessary to identify the variables affected on cancer-related knowledge, attitudes and preventive health behavior. 2) It is necessary to develop a well organized cancer prevention and early detection education program to change cancer-related attitude and preventive health behavior.

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The Effects of Early Childhood Teachers' Happiness on Ego Resilience and Job Engagement (유아교사의 행복감이 자아탄력성과 직무열의에 미치는 영향)

  • Kim, An-Na
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.12
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    • pp.390-399
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    • 2017
  • The purpose of this study is to investigate the effects of happiness of early childhood teachers on ego resilience and job engagement. The study subjects were 243 teachers who were working in early childhood education institutes located in K and D area. The collected data were analyzed through descriptive statistics, correlation analysis, and regression analysis using SPSS 18.0 Program. The study results are as follows. First, it was identified that the level of happiness, ego resilience, and job engagement of early childhood teachers were high. Secondly, happiness, ego resilience, and job engagement of early childhood teachers had a statistically significant correlation. Thirdly, the explanation power of happiness for ego resilience was 18% and self-acceptance, a subfactor of ego resilience, had an effect. Also, the explanation power of happiness for job engagement of early childhood teacher was vitality of 23%, and it was found to affect the subfactors of vitality of job engagement in the order of self-acceptance, positive personal relationship, and control over the environment. Also, the explanation power of happiness factors for undivided attention of early childhood teacher was 17%, and self-acceptance and positive personal relationship had a significantly positive effect on the undivided attention of teachers. Lastly, the explanation power of happiness factors for absorption of early childhood teacher was 14%, and self-acceptance among happiness factors of teachers had a significantly positive effect on the undivided attention of teachers. These study results suggest that the quality of early childhood education and happiness should be improved for the early childhood teachers and this may be a positive factor for the improvement of ego resilience and job engagement.

Effects of internet fashion advertisement formats according to university students' online lifestyle (대학생들의 온라인 라이프스타일에 따른 인터넷 패션 광고의 유형별 효과)

  • Mun, Mi-Ra;Kim, Yong-Sook
    • The Research Journal of the Costume Culture
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    • v.22 no.1
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    • pp.112-125
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    • 2014
  • The purpose of this study was to compare the effects of internet fashion advertisement (Ad) formats according to university students' online lifestyle. Static banner, rich media, floating, shopping, and target advertisement were selected as stimuli and a self-administered questionnaire was used for data collection. SPSS PC (Ver. 16.0) was used for factor analysis, ANOVA, and Chi-square test. Factors of online lifestyle were economy, early adaption, cyberspace activity, sociability, innovation, and entertainment, and subjects were segmented into online activity (OA) retard group, OA mania group, hedonic early adapter group, and OA intermediate group. OA retard group was positive to a static banner Ad with intimacy, and OA mania group and OA intermediate group were positive to a static banner Ad with confidence, attention, and intimacy and rich media Ad and floating Ad with confidence and attention. Hedonic early adapter group was positive to a target Ad with attention and intimacy. Internet shopping mall managers should select internet Ad format after segmenting their customers according to OA lifestyle.

Study on Influence of Communication Ability and Early Childhood Teachers' Sense of Efficacy on Organizational Effectiveness of Child Care Centers (영유아 교사의 의사소통능력과 교사효능감이 어린이집 조직효과성에 미치는 영향)

  • Baek, Seong-A;Song, Seung-Min;Lee, Yoo-Hyun
    • The Korean Journal of Community Living Science
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    • v.28 no.3
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    • pp.447-460
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    • 2017
  • The purpose of this study was to investigate the relationships of early childhood teachers' communication ability, teacher efficacy, and organizational effectiveness of child care centers. The subjects of this study were 397 teachers working at child care centers. The results of this study were as follows. First, differences in the organization effectiveness of child care centers were detected according to teachers' age, career, type of child care center where they were affiliated, and marriage status. Second, the relative effects of the teachers' communication ability and teacher efficacy on the organizational effectiveness of early-childhood educational institutions differed significantly according to each sub-factor; teachers' communication ability's sub-factors - response, analysis, and evaluation - and teacher efficacy's sub-factors - general efficacy and personal efficacy - had partial effects on the organizational effectiveness of child care centers. Of these, personal efficacy had the greatest effects on all sub-factors of organizational effectiveness. This study is significant since it identifies the variables that could affect the organizational effectiveness of child care centers.

Effects of Cadmium, Copper, Chromium, Nickel, Silver, and Zinc on the Embryonic Development of the Sea Urchin, Strongylocentrotus intermedius (북쪽말똥성게 (Strongylocentrotus intermedius) 배아 (embryo)를 이용한 중금속에 대한 민감도 비교)

  • Ryu, Tae-Kwon;Hwang, In-Young;Lee, Taek-Kyun;Yoon, Jun-Heon;Lee, Chang-Hoon
    • Environmental Analysis Health and Toxicology
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    • v.25 no.1
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    • pp.19-26
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    • 2010
  • Discharged materials from the point or non-point source are released into the sea, and as the results, marine environment is directly affected. We must estimate the impacts of contaminants to marine pollution rapidly and accurately. Therefore, it is needed on early warning system for appreciating marine environmental impacts, and required a bioassay to evaluate abnormal changes. A bioassay test was developed to examine the effects of heavy metal contaminants on the early life stages of the marine annimals. We have studied the effects of metals on early development of a sea urchin species, Strongylocentrotus intermedius. S. intermedius embryos were tested with six metals (Cu, Ag, Zn, Cd, Cr, Ni) and showed the highest sensitivity to Cu as well as the lowest sensitivity to Cd. The order of biological impact for metals was Cu>Ag>Ni>Zn>Cr>Cd. In accordance with the results, sea urchins embryos can provide biological criteria for seawater quality assessment. The sensitivity of developmental bioassay whith S. intermedius is at intermediate level among marine organisms commonly used in aquatic bioassays. And this sea urchin can be routinely employed as a test organism for ecotoxicity assays.