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The Education System for Cytotechnologists and Efforts to Improve Professionalism in the United States of America (미국 세포병리사 양성 교육제도와 전문성 향상을 위한 노력)

  • Eun-Suk PARK
    • Korean Journal of Clinical Laboratory Science
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    • v.55 no.3
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    • pp.227-233
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    • 2023
  • The path to becoming a cytotechnologist (also known as a cytologist) in the United States of America (USA) requires a minimum of a bachelor's degree and the completion of a training program certified by the Commission on Accreditation of Allied Health Education Programs. Aspirants are recognized as cytologists after passing a test administered by the American Society for Clinical Pathology Board of Certification on completion of a recognized cytotechnology training program. Cytotechnology training programs are currently provided by 18 universities and hospitals. Six of them provide master's level education, unifying existing programs to the master's level, which is necessitated due to a shortage of pathologists and the rapid development of the health care system. The improvement and unification of the curriculum, qualification renewal system, and the effort to change the title of qualified personnel from cytotechnologist to cytologist are seen as measures that would strengthen the capabilities of cytotechnologists as well as assist in keeping pace with the rapidly changing medical system. Knowledge about the educational courses available for cytotechnologists and the efforts to strengthen their expertise in the USA would be helpful to professors who guide students preparing for overseas employment and seeking professional improvement in Korea.

A Task Group-based Real-Time Scheduling Technique m the Non-Preemptive TinyOS (비선점 환경의 TinyOS에서 실시간성을 고려한 태스크 그룹 기반의 스케줄링 기법)

  • Son, Chi-Won;Tak, Sung-Woo
    • Journal of Korea Multimedia Society
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    • v.13 no.9
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    • pp.1285-1298
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    • 2010
  • Since the TinyOS incorporating a non-preemptive task scheduling policy uses a FIFO (First-In First-Out) queue, a task with the highest priority cannot preempt a task with lower priority before the task with lower priority must run to completion. Therefore, the non-preemptive TinyOS cannot guarantee the completion of real-time user tasks within their deadlines. Additionally, the non-preemptive TinyOS needs to meet the deadlines of user tasks as well as those of TinyOS platform tasks called by user tasks in order to guarantee the deadlines of the real-time services requested by user tasks. In this paper, we present a group-based real-time scheduling technique that makes it possible to guarantee the deadlines of real-time user tasks in the TinyOS incorporating a non-preemptive task scheduling policy. The proposed technique groups together a given user task and TinyOS platform tasks called and activated by the user task, and then schedule them as a virtual big task. A case study shows that the proposed technique yields efficient performance in terms of guaranteeing the completion of user tasks within their deadlines and aiming to provide them with good average response time, while maintaining the compatibility of the existing non-preemptive TinyOS platform.

Variations of Sediment Textural Parameters and Topography around Gangneung Harbor after the Completion of Harbor Construction (강릉항 완공 후 주변해역의 퇴적물 조직변수와 지형의 변화)

  • Oh, Jae-Kyung;Bang, Ki-Young
    • Journal of the Korean earth science society
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    • v.34 no.2
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    • pp.120-135
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    • 2013
  • To investigate the changes in depositional environment around Gangneung Harbor, we analyzed the surface sediment textural parameters and topography data collected five times from February 2007 to February 2009. In the study area, sediments were mainly composed of sand and its sediment size became finer at offshore sites. During summer time, however, the sand grains became coarser than winter season near Namhangjin Beach, inside the harbor, and offshore areas. On the other hand, the grain size of Anmok Beach showed a gradual finer trend with time. Compared with the previous studies conducted before the completion of Gangneung Harbor construction, the mean grain size became finer on Anmok Beach, while it was coarser on Namhangjin Beach. The bathymetric changes observed over a 2-year period showed predominant erosion in the area of 5 to 10 m water depths and deposition in 2 to 5 m water depths. The shallower area less than 2 m water depths showed an alternating trend and yet slightly more dominant erosion process. The sediment textural parameters and the distribution of erosion and deposition have changed continuously. Results imply that such changes show long-term trends as well as seasonal variations in which the trend may have been formed after the completion of Gangneung Harbor construction.

The Influence of Mental Capacity and Understanding of the Oxidation Reduction Concepts on Senior and Science High School Students' Completion of the Balancing Redox Equations (일반고와 과학고 학생들의 정신용량과 산화 환원 개념의 이해도가 산화 환원 반응식 완결에 미치는 영향)

  • Choe, Byeong-Sun;Kim, Chung-Ho;Lee, Sang-Gwon
    • Journal of the Korean Chemical Society
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    • v.46 no.4
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    • pp.345-353
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    • 2002
  • The purpose of this study was to analyze the influence of mental capacity and understanding of the oxi-dation-reduction concepts on the completion of the balancing redox equations. Participants were 92 senior high school students and 57 science high school students. Tests were conducted to measure the mental capacity, the understanding of the oxidation-reduction concepts and the completion of the balancing redox equations and the influence on the per-formance was analyzed. The performance of the senior high school students increased as the mental capacity increased, but the performance of science high school students did not change by mental capacity. Most of senior high school stu-dents couldn't understand the oxidation-reduction concepts well. Most of science high school students, however, under-stood the concepts completely and partially. The students who had a good understanding of the oxidation-reduction concepts showed a good performance for both senior and science high school students, regardless of the problem pattern.

A Study of the Sustainability of NutriPlus Program Effect - in Pohang Area - (영양플러스 사업 효과의 지속성에 대한 연구 - 포항지역을 중심으로 -)

  • Kang, Ji-Hye;Ryu, Ho-Kyung
    • Korean Journal of Community Nutrition
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    • v.16 no.2
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    • pp.206-214
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    • 2011
  • This study was conducted to investigate the effect of the NutriPlus+ Program and to observe how the improved statuses were maintained after the program's termination. The subjects were infants and their parents, who have participated in the NutriPlus+ Program conducted by South Healthcare Center in Po-hang for longer than six months, during the period 2007 - 2010. The survey was conducted with questionnaires, and scores were tabulated from each question. After the intervention of the program, scores representing degrees of nutrition knowledge and nutrition attitude increased. The rate of nutritional risk by anthropometric measurement decreased, and the prevalence rate of anemia was significantly decreased as well. The number of subjects lacking any nutrients, except for iron and vitamin C, decreased, which indicates that the NutriPlus+ Program was effective. After enough time had passed after the intervention's completion; however, the scores of nutrition knowledge and nutrition attitude decreased. The number of subjects with low height and weight (proportional to their age) relatively decreased, and the prevalence rate of anemia increased slightly. The number of subjects lacking in energy and calcium consumption increased as well, which indicates that the effect of the NutriPlus+ Program was not maintained after the program's termination.

Essential Logical Model Approach in Analysis and Design for Patient Management and Accounting System : A Case Study (본질적 논리모형에 근거한 원무관리시스템의 분석과 설계)

  • 김명기
    • Health Policy and Management
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    • v.4 no.2
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    • pp.111-125
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    • 1994
  • In developing total hospital information system, large amount of time and expense are to be spent while its results are likely to lead itself to end-users' dissatisfaction. Some of the main complaints on the part of end-users come from insufficient consideration of end-users environment as well as inappropriate representation of their requirement in the system alalysis and design. This papre addresses some advantages of Essential Logical Modeling Process for better analysis and design, explaining by example the developmental process of the Patent Management and Accounting System for a tertiary care hospital. In the case, the Essential Model, suggested by McMenamin and Palmer, proved to be an effective tool for clear separation of analysis and design phase and for better communication among system developers and with end-users. The modeling process itself contributed to better program modularity as well, shown in a Structured Chart. Difficulties in learning how to identify' essential activities' for the modeling practice were experienced in the beginnins stage, which were, however, overcome by elaborating some heuristic guideling and by rdferring to necessary tools including State Transition Diagram, Control Flow Diagram, and so many. While full evaluation of the Essential Model usag remains to wait till the completion of the case project, its strengt in making clear distinction between analysis and design phase was enough to be attractive to system analysts. The model concepts are open to many further application fields, particularly such areas as business re engineering, process remodeling, office automation, and organizational restructuring.

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Finite element procedures for the numerical simulation of fatigue crack propagation under mixed mode loading

  • Alshoaibi, Abdulnaser M.
    • Structural Engineering and Mechanics
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    • v.35 no.3
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    • pp.283-299
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    • 2010
  • This paper addresses the numerical simulation of fatigue crack growth in arbitrary 2D geometries under constant amplitude loading by the using a new finite element software. The purpose of this software is on the determination of 2D crack paths and surfaces as well as on the evaluation of components Lifetimes as a part of the damage tolerant assessment. Throughout the simulation of fatigue crack propagation an automatic adaptive mesh is carried out in the vicinity of the crack front nodes and in the elements which represent the higher stresses distribution. The fatigue crack direction and the corresponding stress-intensity factors are estimated at each small crack increment by employing the displacement extrapolation technique under facilitation of singular crack tip elements. The propagation is modeled by successive linear extensions, which are determined by the stress intensity factors under linear elastic fracture mechanics (LEFM) assumption. The stress intensity factors range history must be recorded along the small crack increments. Upon completion of the stress intensity factors range history recording, fatigue crack propagation life of the examined specimen is predicted. A consistent transfer algorithm and a crack relaxation method are proposed and implemented for this purpose. Verification of the predicted fatigue life is validated with relevant experimental data and numerical results obtained by other researchers. The comparisons show that the program is capable of demonstrating the fatigue life prediction results as well as the fatigue crack path satisfactorily.

One injection for a great projection: a quick and simple procedure for nipple reconstruction

  • Tanini, Sara;Calabrese, Sara;Lucattelli, Elena;Russo, Giulia Lo
    • Archives of Plastic Surgery
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    • v.48 no.2
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    • pp.179-184
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    • 2021
  • Women attach great importance to the presence of a three-dimensional nipple upon completion of the breast reconstruction process. To meet patients' expectations, nipple-areolar complex reconstruction should achieve symmetry in position, size, shape, texture, and color, as well as minimizing donor-site morbidity. However, it is well known that regardless of the reconstructive technique, loss of nipple projection can be reasonably expected. We developed and evaluated a quick, simple, and innovative technique using injectable Integra Flowable Wound Matrix to increase nipple projection after reconstruction. Twenty breast cancer patients who underwent nipple reconstruction resulting in unsatisfactory projection were enrolled in our retrospective study. Nipple projection was measured at the time of surgery and after 6 and 12 months. A visual analogue scale was used to assess patients' satisfaction. Our technique yielded reliable results in terms of the long-lasting maintenance of nipple projection. This method is high-priced, but cost-effective, since one kit may suffice for three patients. Furthermore, our patients were very appreciative of this technique as a single-step, minimally invasive, painless procedure with no reported necessity of re-intervention.

Evaluation of Degree of Compaction of Railroad Trackbed Fills Using Elastic Wave Velocities (탄성파 속도를 이용한 철도 토공노반의 다짐도 평가)

  • Kim, Hak-Sung;Jung, Young-Hoon;Gang, Dong-Yeob;Lee, Seong-Hyeok
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.1650-1658
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    • 2011
  • The quality control of compaction fills has been commonly performed via the field density measurement and plate load tests. However, the engineer frequently encounters difficulties in actually controling the quality due to the uncertainty in the field density measurement as well as the plate load tests. To overcome these difficulties, Park et al. (2009) proposed an alternative quality control method based on the measurement of the compressive wave velocities. In this study, the compressive wave velocities measured in the full-scale model test site were analyzed. Direct arrive seismic tests were performed after the completion of each trackbed layer. To identify a relationship between elastic wave velocities and degree of compaction, laboratory compaction tests were conducted.

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Introduction to 1M telescope of Deokheung Optical Astronomy Observatory, National Youth Science Center (NYSC)

  • Kang, Wonseok;Lee, Sang-Gak;Kwon, Sun-Gill
    • The Bulletin of The Korean Astronomical Society
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    • v.40 no.1
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    • pp.86.4-87
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    • 2015
  • We will soon complete the installation of 1m telescope at Deokheung Optical Astronomy Observatory (DOAO), National Youth Space Center (NYSC). Before the test observation with NYSC 1m telescope, we present the specs of the 1M telescope and observational conditions of the DOAO site, such as the seeing data at DOAO and the atmospheric extinction coefficients obtained from the observations of standard stars and stellar clusters with 120mm and 150mm refractor in 2014. Since atmospheric extinction coefficients depend on the observational instruments as well as the atmospheric conditions of the site, the improved data with NYSC 1m telescope will be obtained right after the completion of 1M telescope installation. We are planning to invite all astronomers to use 1m telescope for their sciences via regular proposal processes in this year.

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