• Title/Summary/Keyword: Science Preparation

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Discussions about Sample Preparation Techniques for Oxygen and Hydrogen Isotope Analysis (산소와 수소 동위원소 분석을 위한 시료 전처리 기술에 대한 고찰)

  • Lee, Kwang-Sik;Lee, Insung
    • Economic and Environmental Geology
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    • v.29 no.2
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    • pp.207-214
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    • 1996
  • For many years oxygen and hydrogen isotope analysis have been used as one of the most valuable research tools to investigate many geological processes. There are many sample preparation techniques of oxygen and hydrogen isotope analysis for various geological samples. We introduce here several important sample preparation techniques for oxygen and hydrogen isotope analysis and discuss the problems of each method in detail.

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Elementary School Teachers' Use of Science Teacher's Guide for Lesson Preparation: Focused on Grade 3-4 Science Curriculum Revised in 2009 (수업 준비를 위한 초등 과학 교사용 지도서 활용 실태 - 2009 개정 과학과 3-4학년을 중심으로 -)

  • Lee, Shin-ae;Lim, Heejun
    • Journal of Korean Elementary Science Education
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    • v.35 no.2
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    • pp.205-215
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    • 2016
  • This study aims to investigate how elementary teachers use teachers' guide in preparation for science lessons. First, different uses of teacher's guide were analyzed. Second, how and why teachers use each section in teacher's guide were analyzed. For the study, 24 elementary school teachers were interviewed in depth. The semi-structured in-depth interviews were conducted individually and/or in small group, and additional interviews were held when necessary. The results showed that most of the teachers used teacher's guide only substitutionally, and some teachers rarely use teacher's guide, while only 3 out of 24 teachers used teacher's guide in detail. The reasons that teachers used the teacher's guide substitutionally or rarely were that most science lessons include experiments, and science textbook itself provides enough information for preparation of science lessons for 3rd and 4th grade students. The results also revealed that only few teachers read the general guideline in teacher's guide. Some sections of teacher's guide were not used. The sections that many teachers used were the aims of lesson, the learning system of the unit, background knowledge, flow of lesson, learning contents and activities. This study specifically examined the actual use of teacher's guide for lesson preparation and discussed implications for the development of more helpful teacher's guide.

Effects of Ferulic Acid-Based Preparation on Performance, Carcass Characteristics, Blood Profiles, and Intestinal Microflora of Broiler Chicks (페룰산의 사료 내 첨가가 육계 생산성, 도체 특성, 혈중 성분 및 장내 균총에 미치는 영향)

  • Kim, Yong-Ran;Lee, Sang-Woo;Kim, Eun-Jip
    • Korean Journal of Poultry Science
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    • v.49 no.1
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    • pp.45-51
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    • 2022
  • This study aimed to evaluate the dietary effects of ferulic acid-based preparation on the performance, blood profiles, and microflora of broiler chicks. A total of 400 chicks (1 day old Ross × Ross) were divided into 20 groups and assigned to four treatments: a basal diet (control) or a treatment diet containing 0.1%, 0.2%, or 0.3% ferulic acid-based preparation. The birds were fed from 1 to 30 d of age. Average daily gain improved compared to that in the control group in all periods (P<0.05). There was no significant difference between treatments in Average daily feed intake during all periods. Feed conversion ratio during starter (day 1 to 21) and total day 1 to 30 periods significantly improved (P<0.05) in the treatments containing ferulic acid-based preparation compared to that in the control. The total cholesterol levels in all the treatments containing ferulic acid-based preparation were significantly lower than that in the control (P<0.05). The globulin content was significantly higher (P<0.05) in the treatment with 0.2% and 0.3% ferulic acid-based preparations than that in the control and 0.1% ferulic acid-based preparation treatments. Among the treatments, there was no significant difference in the total number of cecal bacteria. The number of lactic acid bacteria significantly increased in all treatments containing ferulic acid-based preparation compared to that in the control (P<0.05). The number of coliforms significantly decreased in all treatments containing ferulic acid-based preparation compared to that in the control (P<0.05). In conclusion, the addition of ferulic acid-based preparation to the diet improved broiler performance, blood profiles, and intestinal flora.

Effects of a Patient Educational Video Program on Bowel Preparation Prior to Colonoscopy (동영상 교육이 대장내시경 대상자의 장 정결 이행에 미치는 영향)

  • Cho, You Young;Kim, Hyeon Ok
    • Journal of Korean Academy of Nursing
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    • v.45 no.5
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    • pp.704-712
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    • 2015
  • Purpose: The purpose of this study was to evaluate the effects of an educational video program on bowel preparation for a colonoscopy. Methods: The study used a non-equivalent control group and non-synchronized design as a quasi-experimental research involving 101 participants undergoing bowel preparation for a colonoscopy (experimental group 51, control group 50 subjects) at W. university hospital, from Aug. 7 to Oct. 31, 2013. The control group received verbal education with an explanatory note while the experimental group received education using a video program. To measure knowledge of diet restrictions and compliance with ingesting bowel preparation solutions, a questionnaire, based on The Korean Society of Gastrointestinal Endoscopy's Guide (2003), developed by Sam-Sook You, was used after revisions and supplementation was done. To measure bowel cleanness, the 'Aronchick Bowel Preparation Scale' was adopted. Data were analyzed using the SPSS WIN 12.0 program. Results: A higher proportion of the experimental group showed a positive change in knowledge level on diet restrictions (U=1011.50, p =.035) and ingestion of bowel preparation solutions (U=980.50, p =.019), a higher level of compliance with diet restrictions (U=638.50, p <.001), ingesting bowel preparation solutions (U=668.00, p <.001) and the level of bowel cleanness (${\chi}^2$=17.00, p <.001) than the control group. Conclusion: The results of this study indicate that a video educational program for patients having a colonoscopy can improve knowledge, level of compliance with diet restrictions, ingestion of bowel preparation solutions, and bowel cleanness. Therefore video educational program should be used with this patient group.

Determinants of Middle Aged's Social Preparation for Later Life : Focused on Gender (중년층의 사회적 노후준비 결정요인분석: 성차를 중심으로)

  • Kim, Beag-Su;Lee, Jeong-Hwa
    • The Korean Journal of Community Living Science
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    • v.21 no.3
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    • pp.411-425
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    • 2010
  • The purpose of this study is to examine the middle aged social preparation for later life and to explore the effect of social activities and social relationships on social preparation for later life. This research is also focused on gender differences in social activities, social relationships and social preparation for later life. The survey data was gathered from 424 middle aged citizens who live in the Gwangju & Jeonnam area, using a structured questionnaire. The statistical methods used for data analysis were descriptive statistics, cross tables, t-test, correlations, and hierarchical regression with SPSS win 18.0 program. The major findings of this study are as follows: Most of the respondents perceive an importance of social activities and social relationships. Middle aged women enjoy leisure activities such as learning and religious activity more than men. Middle aged men engage in hobby activities more than women. And most of respondents perceive they are making an effort to keep a relationship with spouses, family & friends. The results show that there are no differences in social preparation for later life between gender groups, but the variables which have an effect in social preparation for later life are different between gender groups. Social activities and Social relationships play an important role in social preparation for later life of Middle aged men and women. At the same time, Social activities and Social relationships have more positive effect on the social preparation of women. Implications of the results are discussed.

Factors Affecting Career Preparation Behaviors of Nursing Students (간호대학생의 진로준비행동에 영향을 미치는 요인)

  • Kim, Kyoung-Nam;Im, Soo-Min;Jang, Yeo-Yeong;Jeon, Da-Hye;Jeong, Min-Ju;Jeong, Ji-Hee;Cho, Min-Hee
    • Journal of Korean Clinical Health Science
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    • v.8 no.2
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    • pp.1450-1461
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    • 2020
  • Purpose: The purpose of this study was to understand the degree of nursing professional intuition, major satisfaction, clinical practice satisfaction, self-leadership, and career preparation behavior of nursing college students, and to identify factors that influence career preparation behavior. Method: This study was a descriptive research study to analyze the factors affecting career preparation behavior. The data collection period was from August 03 to 30, 2020 for 4 weeks. The survey conducted an online survey of 220 students in grades 3-4 who were enrolled in 6 nursing departments located in P metropolitan city and G province, and have clinical practice experience. The collected data were analyzed using SPSS Win 20.0 program. Results: Career preparation behavior had a significant positive correlation with nursing professional intuition(r=.455, p<.001) and self-leadership(r=.539, p<.001), and major satisfaction(r=-.337, p<.001) and clinical practice satisfaction(r=-.380, p<.001) had a significant negative correlation. Self-leadership(β=.424, p<.001) was the most significant factor influencing the study subjects' career preparation behavior, nursing professional intuition(β=.170, p=.010), clinical practice Satisfaction(β=.127, p=.047), employment information(β=.122, p=.023), major satisfaction(β=.137, p=.042) in the order, these variables were found in the order of The explanatory power of the factors affecting the subject's career preparation behavior was 40.2%. Conclusion: Therefore, in order to help nursing students' career preparation behavior, a strategy to provide a variety of employment information and a strategy for nursing intervention that can improve self-leadership, clinical practice satisfaction, and major satisfaction is required.

The Relationship between Professional Nursing Values and Career Preparation Behaviors of Nursing Students (간호학생의 간호전문직관과 진로준비행동 간의 관계)

  • Ko, Young-Ji;Kim, In-Kyung
    • The Journal of Korean Academic Society of Nursing Education
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    • v.17 no.1
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    • pp.62-71
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    • 2011
  • Purpose: The purpose of this study was to examine the relationship between professional nursing values and career preparation behaviors in senior nursing students. Method: The sample consisted of 199 nursing students before getting jobs who attended a nursing vocational college in Daegu and a nursing department of a university in J city of Chungcheongbuk-do. The data were collected from the first of May to the first of June in 2010. Results: The mean score was 106.76 for professional nursing values. The highest reported score of the nursing professional values domains was professionalism of nursing and was followed by nursing practical role and professional self-concept. The mean score was 42.66 for career preparation behavior. There was alow correlation between professional nursing values and career preparation behaviors. Conclusion: This finding suggests nursing students have differences from career preparation behaviors according to viewpoints about nursing as a professional job. Therefore, it is necessary to develop new curriculum and reinforce existing education for developing of professional nursing values. Moreover, nursing education institutes should set up educational objectives related to their general characteristics for improving career preparation behavior.

The Effects of Strengths Knowledge and Self leadership of Clinical Practice on Career Preparation Behavior in Nursing Students (간호대학생의 강점인식과 셀프리더십이 진로준비행동에 미치는 영향)

  • So-Young Roh
    • Journal of the Korean Applied Science and Technology
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    • v.39 no.6
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    • pp.883-891
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    • 2022
  • This study is a descriptive survey research attempted to verify the effects of strengths knowledge and self leadership on career preparation behavior in nursing students. The subjects of this study were students enrolled in Department of Nursing in G city. Descriptive statistics, t-test, ANOVA, Pearson's correlation analysis and controlled regression analysis were used for data analysis. The results of the study are as follows. Strengths knowledge(𝛽=.464, p<.001), self leadership(𝛽=.512, p<.001) showed a positive effect on career preparation behavior. The study model accounted for 34.1% of career preparation behavior. These findings suggest that measures to increase strengths knowledge and self leadership are needed to promote career preparation behavior of nursing students.

High-throughput Preparation and Characterization of Powder and Thin-film Library for Electrode Materials

  • Fujimoto, Kenjiro;Onoda, Kazuhiro;Ito, Shigeru
    • Proceedings of the Korean Powder Metallurgy Institute Conference
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    • 2006.09a
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    • pp.254-255
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    • 2006
  • Powder library of pseudo four components Li-Ni-Co-Ti compounds were prepared for exploring the composition region with the single phase of the layer-type structure by using combinatorial high-throuput preparation system "M-ist Combi" based on electrostatic spray deposition method. The new layer-type compounds were found wider composition region than the previous report. This process is promising way to find multi component functional materials.

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The Effect of Career Decision Making Self-efficacy and Military Duty Planning on Career Preparation Behavior among Male Nursing Students (남자 간호대학생의 진로결정자기효능감, 병역의무계획이 진로준비행동에 미치는 영향)

  • Ahn, MinKweon
    • The Journal of Korean Academic Society of Nursing Education
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    • v.25 no.1
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    • pp.93-102
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    • 2019
  • Purpose: This study aimed to investigate factors influencing career preparation behavior among male nursing students in South Korea. Methods: Data were collected from May 25 to June 17, 2018 and a total of 158 male nursing students participated in this study. Career decision making self-efficacy, military duty planning, and career preparation behavior were measured using a structured questionnaire. Collected data were analyzed with SPSS 25.0 for windows. Results: There was a statistically significant difference in career preparation behavior of participants according to entrance motivation and desired career after graduation. There were statistically significant correlations between career decision making self-efficacy and career preparation behavior (r=.65, p<.001), and between military duty planning and career preparation behavior (r=.45, p<.001). The influential factors for career preparation behavior were career decision making self-efficacy (${\beta}=.64$, p<.001), and military duty planning (${\beta}=.42$, p<.001). These factors accounted for 42% of the variance in career preparation behavior. Conclusion: The results of this study indicate that to improve career preparation behavior for male nursing students, it is necessary to enhance career decision making self-efficacy and military duty planning.