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컴퓨터 모니터 디자인 개발에서 인간공학 응용

  • 신명철
    • Proceedings of the ESK Conference
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    • 1997.10a
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    • pp.320-325
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    • 1997
  • It is very diffcult to applied ergonomics data & experiments in industrial design. At the industrial design process attempted toadoption a egonomics. But sometimes easyto use ergonomics data and at other times very hard to adopted a element into a design process. Industrial design of the essence is a sensual act. As ergonomics data is to the hardware, sois the design sense to the software. The harmony are important to hardware & software of design process. New products demand to new form. Therefore, designer neglect to ergonomics experiments for user. Anyway, ergonomics experiments & data endlessly applied to more things year after year. This paper show improved computer front design with graphic, knobs size & control panel tilt angle.

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THE IETS STATISTICS OF EMBRYO TRANSFERS IN LIVESTOCK IN THE WORLD FOR THE YEAR 1999; A NEW RECORD FOR BOVINE VIVO-DERIVED EMBRYOS TRANSFERRED

  • Thibier, Michel
    • Proceedings of the Korean Society of Embryo Transfer Conference
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    • 2001.10a
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    • pp.25-34
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    • 2001
  • The Committee has, for the 9th consecutive year, compiled statistics of embryos collected and transferred worldwide. Geographically, all regions have participated in the survey; however, there are still some places where it has been impossible to retrieve such data (particularly in Asia). The statistics, therefore, are partially underestimated. By contrast, in other areas, the system has proven to be more efficient than before, particularly in North and South America. This has resulted in the present report, which gives a somewhat more satisfactory picture of the current situation of the ET industry. For the second year, it has also been possible to collect data for several species other than cattle. In cattle, the number of in vivo-derived embryos collected and transferred has once again increased with more than half a million embryos trans-ferred in 1999(520,712), a new record. The number of bovine in vitro-produced embryos has remained stable this year as compared with the previous year(approximately 30,000 embryos transferred). However, there are still teams that have not Yet reported their data. More than 10,000 embryos in each of the ovine and caprine species and close to 2,000 cervid embryos were reported transferred in 1999. Some 500 embryos of the equine species and a few thousand in the porcine and rabbit species have also been transferred in 1999. It is concluded that the ET industry continues to be very active, and, in many species, it encompasses a larger segment of the livestock population overall, which is to the farmer s benefit.

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Project-based Learning Method to Reorganize the NCS Training Program: Focusing on the 4-Year-Course University (NCS 교육과정 개편을 위한 프로젝트기반 학습법: 4년제 대학을 중심으로)

  • JUNG, Dae-Hyun;WEONG, Jong-Ha
    • Journal of Fisheries and Marine Sciences Education
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    • v.28 no.4
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    • pp.1057-1067
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    • 2016
  • National Competency Standards are the major administrative project to build a competence-based society. The manpower for the global society should be recognized by performance rather than educational records. Therefore, all colleges should first nurture NCS-type manpower based on field needs. This study comparatively analyzed the differences between the lecture style of four-year colleges and the outcomes of problem-solving and project-based learning method to prove why it is necessary to introduce the NCS program. Especially, It will review the constraints and measures of NCS introduction to overcome in a four-year university. Through this, it can be used as a means to help improve the field conformity of a four-year college curriculum by presenting the development and utilization of curriculum-based NCS in a four-year university. As a result, it was found that the overall satisfaction with the problem-solving and project-based learning method was above average. Many students were dissatisfied with the traditional teaching methods and the new project-based learning method was relatively effective in college education. Students' participation also improved. Based on the evaluation of learning performance, the new method was found more satisfactory than the old teaching method in terms of comprehension of professional knowledge in various fields, nurturing of logical thinking skills, acquisition of analytical skills, comprehensive thinking skills, creative problem recognition, and open-minded thinking skills.

A Review on Degradation of Silicon Photovoltaic Modules

  • Yousuf, Hasnain;Khokhar, Muhammad Quddamah;Zahid, Muhammad Aleem;Kim, Jaeun;Kim, Youngkuk;Cho, Sung Bae;Cho, Young Hyun;Cho, Eun-Chel;Yi, Junsin
    • New & Renewable Energy
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    • v.17 no.1
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    • pp.19-32
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    • 2021
  • Photovoltaic (PV) panels are generally treated as the most dependable components of PV systems; therefore, investigations are necessary to understand and emphasize the degradation of PV cells. In almost all specific deprivation models, humidity and temperature are the two major factors that are responsible for PV module degradation. However, even if the degradation mode of a PV module is determined, it is challenging to research them in practice. Long-term response experiments should thus be conducted to investigate the influences of the incidence, rates of change, and different degradation methods of PV modules on energy production; such models can help avoid lengthy experiments to investigate the degradation of PV panels under actual working conditions. From the review, it was found that the degradation rate of PV modules in climates where the annual average ambient temperature remained low was -1.05% to -1.16% per year, and the degree of deterioration of PV modules in climates with high average annual ambient temperatures was -1.35% to -1.46% per year; however, PV manufacturers currently claim degradation rates of up to -0.5% per year.

A Study on Quality Improvement of Medical Equipments (의료기기 QI 활동 개선방안에 대한 연구)

  • Kang, Hun-Hee;Juh, Ra-Hyeong;Kim, Jong-Soon;Kim, Seo-Hwak;Huh, Soo-Jin
    • Quality Improvement in Health Care
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    • v.5 no.2
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    • pp.190-201
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    • 1998
  • Background : Medical equipments take a very important role in diagnosis and treatment of disease in modern medicine and effective maintenance of the equipments is a necessary to provide a good health care to the public. After developing a new QC program for effective maintenance of medical equipments and practicing it for a year, we report the results of the new program. Methods : The maintenance data of 9 equipments in 8 categories including a CT Scanner were analyzed with regard to the parts responsible for most frequent failure and cause of the failure. After learning the most frequent failure part and cause of the failure, we developed a new QC program that emphasizes preventive maintenance of the most frequent failure part. We compared the number of failure per year and active rate of each equipment before and after the adoption of the new QC program. Results : The average number of failure per year per equipment was 20.7 before and it decreased by 43% to 11.9 after adoption of the new QC program. The average active rate of the equipments was 92.6% before and it increased by 3.2% to 95.8% after adoption of the new program. Conclusions : The practice of the new QC program appears very useful as it decreased the failure rate and increased the active rate of the equipments.

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Long-term tolerance and outcomes for dose escalation in early salvage post-prostatectomy radiation therapy

  • Safdieh, Joseph J.;Schwartz, David;Weiner, Joseph;Weiss, Jeffrey P.;Rineer, Justin;Madeb, Isaac;Rotman, Marvin;Schreiber, David
    • Radiation Oncology Journal
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    • v.32 no.3
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    • pp.179-186
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    • 2014
  • Purpose: To study the long-term outcomes and tolerance in our patients who received dose escalated radiotherapy in the early salvage post-prostatectomy setting. Materials and Methods: The medical records of 54 consecutive patients who underwent radical prostatectomy subsequently followed by salvage radiation therapy (SRT) to the prostate bed between 2003-2010 were analyzed. Patients included were required to have a pre-radiation prostate specific antigen level (PSA) of 2 ng/mL or less. The median SRT dose was 70.2 Gy. Biochemical failure after salvage radiation was defined as a PSA level >0.2 ng/mL. Biochemical control and survival endpoints were analyzed using the Kaplan-Meier method. Univariate and multivariate Cox regression analysis were used to identify the potential impact of confounding factors on outcomes. Results: The median pre-SRT PSA was 0.45 ng/mL and the median follow-up time was 71 months. The 4- and 7-year actuarial biochemical control rates were 75.7% and 63.2%, respectively. The actuarial 4- and 7-year distant metastasis-free survival was 93.7% and 87.0%, respectively, and the actuarial 7-year prostate cancer specific survival was 94.9%. Grade 3 late genitourinary toxicity developed in 14 patients (25.9%), while grade 4 late genitourinary toxicity developed in 2 patients (3.7%). Grade 3 late gastrointestinal toxicity developed in 1 patient (1.9%), and grade 4 late gastrointestinal toxicity developed in 1 patient (1.9%). Conclusion: In this series with long-term follow-up, early SRT provided outcomes and toxicity profiles similar to those reported from the three major randomized trials studying adjuvant radiation therapy.

Effect of Defruiting on Nitrogen Partitioning, Accumulation, and Remobilization of Young Trees in 'Fuyu' Persimmon (과실 제거가 '부유' 단감 유목의 질소화합물 분배와 축적 및 재이용에 미치는 영향)

  • Park, Soo-Jeong
    • Horticultural Science & Technology
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    • v.29 no.4
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    • pp.306-310
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    • 2011
  • This study examined the changes in the distribution of nitrogenous compounds in various parts of 3- and 4-year-old persimmon (Diospyros kaki cv. Fuyu) with fruits (fruited) and without fruits (defruited). The effect of the changes was then related to the storage and their reutilization for new growth in the following year. From June 15 to November 1, the partitioning of amino acids among perennial parts of fruited trees was inconsistent, whereas that of defruited trees was characterized by a significant increase. Compared with the fruited trees, amino acids accumulated in the perennial parts of defruited trees were 1.66 g and 3.48 g more in 3- and 4-year-old trees, respectively. Of the total proteins increased during this period, the proportions distributed to the perennial parts of the tree were less than 50% for fruited trees, but they were more than 90% for defruited trees. Roots were the strongest sink for proteins; percent proteins in the roots amounted to 94 in defruited 3-year-old trees and 76 in 4-year-old trees. Compared with the proteins accumulated in perennial parts of fruited trees, those of defruited trees were 1.64 g more in 3-year-old and 2.58 g more in 4-year-old trees. During this period, the nitrogenous compounds decreased by 0.50-0.56 g in the leaves of fruited trees, while they increased by 0.66-0.78 g in their fruits. During the new growth from April 10 to June 10 of the following year, amino acids decreased both in the fruited and defruited trees. Proteins, especially in the root, decreased in the trees that had been previously defruited. More amino acids and proteins were found in the newly grown parts of the defruited trees. Compared with the fruited trees, the defruited trees accumulated nitrogenous compounds more in roots than in the other parts of the perennial parts. The reserve nitrogenous compounds contributed to the new shoot growth and fruit set in the following year.

Comparative study between an intensive small group teaching and a 1-year clinical practice on OSCE

  • Kim, Sinjae;Park, Minhwan;Seo, Ji-Hyun;Woo, Hyang-Ok;Youn, Hee-Shang;Park, Jung Je;Jeon, Sea-Yuoug;Hwa, Jung Seok;Mullan, Patricia;Gruppen, Larry D.
    • Kosin Medical Journal
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    • v.33 no.2
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    • pp.181-190
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    • 2018
  • Objectives: Our school introduced a new curriculum based on faculty-directed, intensive, small-group teaching of clinical skills in the third-year medical students. To examine its effects, we compared the mean scores on an OSCE between the third- and fourth-year medical students. Methods: Third- and fourth-year students did rotations at the same five OSCE stations. They then completed a brief self-reporting questionnaire survey to examine the degree of satisfaction with new curriculum in the third-year students and clinical practice in the fourth-year students, as well as their perception of confidence and preparedness. We analyzed the OSCE data obtained from 158 students, 133 of whom also completed the questionnaire. Results: Mean OSCE scores on the breast examination and wet smear stations were significantly higher in the third-year group (P < 0.001). But mean OSCE scores of motor-sensory examination and lumbar puncture were significantly higher in the fourth-year group (P < 0.05). The mean OSCE scores had no significant correlation with satisfaction. In addition, the self-ratings of confidence had a high degree of correlation with satisfaction with new curriculum (r = 0.673) and clinical practice (r = 0.692). Furthermore, there was a moderate degree of correlation between satisfaction and preparedness in both groups (r = 0.403 and 0.449). Conclusions: There is no significant difference in the effect on the degree of clinical performance and confidence between an intensive-small group teaching and a 1-year clinical practice. If combined, intensive small group teaching and clinical practice would be useful to improve the degree of ability and confidence in medical students.

The convergence study of Experience of Turnover in new graduate nurses within one year (신규 간호사의 1년 이내 이직경험에 관한 융합적 연구)

  • Kim, Young-Mi;Kim, Sang-Nam
    • Journal of the Korea Convergence Society
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    • v.7 no.4
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    • pp.97-106
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    • 2016
  • Purpose: The purpose of this study was to exploration the experience of turnover new graduate nurses within one year. Methods: Experiential data were collected from 5 experienced nurses through in-depth interviews. The main question was "Could you describe your experience of your turnover?". Qualitative data from the field and transcribed notes were analyzed using Strauss Corbin's grounded theory methodology. Results: The core category of experience of new graduate nurses turnover was 'a feeling of helplessness.' Participants used three interactional strategies: 'rationalize to turnover', 'to feel more', 'to think positively'. Conclusion: If you teach kindly to senior nurse, training communication skills to new nurse and prepare to stable welfare in new nurse, you will can prevent early turnover of new nurse.