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An Analysis of the Awareness and Performance of Radiation Workers' Radiation/Radioactivity Protection in Medical Institutions: Focused on Busan Regional Medical Institutions (의료기관 방사선작업종사자들의 방사선/능 방어에 대한 인식도 및 수행도 분석: 부산지역 의료기관을 중심으로)

  • Park, Cheol Koo;Hwang, Chul Hwan;Kim, Dong Hyun
    • Journal of radiological science and technology
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    • v.40 no.1
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    • pp.101-108
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    • 2017
  • The purpose of this study was to investigate safety management awareness and behavioral investigation of radiation/radioactivity performance defenses of radiation workers' in medical institutions. Data collection consisted of 267 radiation workers working in medical institutions using structured questionnaires. As a result, it was analyzed that radiation safety management awareness and performance were high in 40s, 50s group and higher education group. The analysis according to the radiation safety management knowledge was analyzed that the "Know very well" group had higher scores on awareness and performance scores. The analysis according to the degree of safety management effort showed the high awareness scale and the performance scale in the group "Receiving various education or studying the safety management contents through book". The correlations between the sub-factors showed the highest positive correlation between perceived practician and personal perspective and perceived by patient and patient's caretaker perspective. Therefore, radiation safety management for workers, patients, and patient's caretaker should be conducted through continuous education of radiation safety management through various routes of radiation workers working at medical institutions.

Adhesive Strength of dry Adhesive Structures Depending on the Thickness of Metal Coating (건식 접착 구조물의 금속 코팅 두께에 따른 접착강도 변화)

  • Kim, Gyu Hye;Kwon, Da Som;Kim, Mi Jung;Kim, Su Hee;Yoon, Ji Won;An, Tea Chang;Hwang, Hui Yun
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.40 no.7
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    • pp.673-677
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    • 2016
  • Recently, engineering applications have started to adopt solutions inspired by nature. The peculiar adhesive properties of gecko skin are an example, as they allow the animal to move freely on vertical walls and even on ceilings. The high adhesive forces between gecko feet and walls are due to the hierarchical microscopical structure of the skin. In this study, the effect of metal coatings on the adhesive strength of synthetic, hierarchically structured, dry adhesives was investigated. Synthetic dry adhesives were fabricated using PDMS micro-molds prepared by photolithography. Metal coatings on synthetic dry adhesives were formed by plasma sputtering. Adhesive strength was measured by pure shear tests. The highest adhesion strengths were found with coatings composed of 4 nm thick layers of Indium, 8 nm thick layers of Zinc and 6 nm thick layers of Gold, respectively.

A Case Study on the Occupational Therapy Evaluation and Intervention Plan of a Community Asperger Syndrome Child Receiving Coping Model (지역사회 아스퍼거 장애 아동을 대상으로 대처모델(coping model)을 적용한 작업치료 평가 및 중재계획수립: 사례연구)

  • Lee, Mi Ji
    • Therapeutic Science for Rehabilitation
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    • v.2 no.1
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    • pp.87-91
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    • 2013
  • Objective : This case study examined the evaluation of occupational therapy and plan to intervention of community asperger syndrome child receiving coping model. Methods : We selected child which 7-year-old boy. Evaluation periods were 2weeks which consisted of external factors and internal factors. External factors were made up interaction of subject, environments and participation of school and community. Internal factors were made up observation and structured evaluation about development state and medical conditions. Also it included observation of appropriate mood and emotions. Results : After evaluation receiving coping model, we planed to intervention. First, subject able to use his time effectively. Second, we'll have intervention program about delayed fine motor areas. Third, we'll educate self-control skills and coping skills of subject's action which not controlled himself. Fourth, we'll find the personal and physical sources to care subject. Conclusion : Our research has planed occupational therapy intervention receiving coping model of asperger syndrome subject. Future research need to practical applications.

Development and Characterization of Trans Free Margarine Stock from Lipase-Catalyzed Interesterification of Avocado and Palm Oils (팜유와 아보카도유로부터 효소적 interesterification을 통한 trans free margarine stock 제조 및 이화학적 특성 연구)

  • Lee, Yun-Jeung;Lee, Ki-Teak
    • Korean Journal of Food Science and Technology
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    • v.41 no.3
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    • pp.231-237
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    • 2009
  • Trans free margarine stock (TFMS) was produced by lipase-catalyzed synthesis of fully hydrogenated soybean oil (FHSBO), avocado oil (AO) and palm oil (PO). A blend of FHSBO, AO, and PO with a 1:5:4 (30:150:120 g, respectively) ratio was interesterified with lipozyme RM IM(from Rhizomucor miehei) in a 1 L-batch type reactor at 65 for 12 hr, and the physicochemical and melting properties of TFMS were compared with commercial margarine. The solid fat content (%) of the TFMS was analyzed at 25, 30, and $35^{\circ}C$, respectively, while its melting point was $37.8^{\circ}C$. The trans fatty acid content of the TFMS was below 0.1%. It also had acid, saponification, and iodine values of 0.4, 173.9, and 58.6, respectively. In HPLC chromatograms of the TFMS, newly synthesized peaks of triacylglycerol molecules were observed by using reverse-phase HPLC with evaporative light-scattering detection. Normal-phase HPLC with UV detection was used to quantify tocopherols in the TFMS, indicating that its ${\alpha}-$, ${\gamma}-$ and ${\delta}$-tocopherol contents were 5.7, 2.1, and 1.7 mg/100 g, respectively.

Choice of Medical Care Institution for Delivery and Evaluation of the Institution after Delivery (분만기관 선택과 이용 후의 평가)

  • 권순호;한달선
    • Health Policy and Management
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    • v.8 no.2
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    • pp.1-24
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    • 1998
  • There exists a general consensus in Korea that patients tend to concentrate in large hospitals and this tendency is partly responsible for inefficiency in health services. The process of choosing a medical care provider for health care services and evaluating the provider after utilization seems to involve many diverse factors to become very complex. Therefore a systemsatic study is needed to achieve sufficient understanding of the proeess. For this point of view, this study investigates patient's selection of medical care institution for delivery care services and their evaluation of the institution after delivery. In more specific, the objectives of the study are twofold: 1) to identify the factors associated with expectant mothers' choice of type of medical care institution for delivery among tertiary hospitals, general hospitals, small hospitals, and clinics: and 2) to understand the factors affecting patient evaluation of the medical care institution after delivery. The data used for the analysis were collected through face-to-face interviews with those women who had childbirth during the period from January 1, 1996 to the date of interview in February 1998. The survey was conducted using preqared structured questionnaire in Seoul. The sample was drawn from each of arbitrarily defined four regions of Seoul, Northeast, Northwest, Southeast and Southwest, in proportion to the number of births reported in 1996 in each of them. The distribution of the interviewed women by educational level was made similar to that of mothers of new babies reported in 1996. The sample size was planned to be about 300, but ended up with analytical sample of 319. Major conclusions emerged from the analysis can be summarized as follows: 1) Large hospitals were evaluated as much better for technical quality than other types of institutions, whereas they were compared similar to or worse for other attributes. And it was found that technical quality of care is considered as the most important condition of medical care institution for delivery, while the amount of direct cost is considered as the least important one. Taken together, the utilization of large hospitals is not likely to decrease even though they cannot give satisfaction to patients in other aspects than technical quality. 2) The activeness in the search for information affected the respondents' evaluation of medical care institutions, which would influence their later decision or recommendation to other persons as to the choice of source of health care services. Therefore, increased efforts should be directed to improving availability of useful and correct information for patients in relation to the utilization of health care services. 3) Since the findings of this study were obtained from the analysis of delivery care services, their applicability to other kinds of services may be limited. Thus it would be useful to conduct a comparative study of several kinds of services explicitly taking into account the characteristics of those services in the analysis.

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Changes of Nursing Activities on Patients with DNR Orders (DNR 결정 환자에 대한 간호사의 간호활동 변화)

  • Lee, Ji Yun;Jang, Jae In
    • Journal of Hospice and Palliative Care
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    • v.20 no.1
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    • pp.46-57
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    • 2017
  • Purpose: The purpose of this study is to identify the changes to nursing activities of nurses on patients with DNR (Do-Not-Resuscitate) order and factors associated to the changes. Methods: Data were collected using a structured questionnaire for 173 nurses at general hospitals. Logistic regression analysis was performed on the data using SAS 9.4. Results: With 39 nursing activities, an average of 60.4 (34.9%) nurses reported an increase in the activities, 102.4 (59.2%) no change and 10.1 (5.9%) a drop. The activity increase was the greatest in the social area, and the physical area was where the activities decreased the most. The activity increase was associated knowledge competency (9 items), attitudes (2 items), practical competency (4 items) and work load (14 items were). Conclusion: To offer systematical care for DNR patients, it is necessary to expand nurses' knowledge through end-of-life education and adjust their workload and provide a support system at the department level.

A Study on the Relationship between Justice Perception of Franchise and Trust, Switching Barriers of the Franchisee in the Barriers and Beauty Parlors Business (이.미용업에서의 프랜차이즈 공정성 지각이 신뢰와 전환장벽에 미치는 영향)

  • Kim, Kyeong Ran;Ryu, Hwang Gun;Oh, Chang Seok
    • The Korean Journal of Health Service Management
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    • v.1 no.1
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    • pp.75-89
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    • 2007
  • The start point of a franchise system such as Lotteria was in 1979. Since 1990, the franchise systems in Korea have rapidly spread over all industry types. As 'Franchise Law' was enforced in 2002, the expansion of a franchise picked up its' speed. The barbers and beauty parlors business has the same expansion trend. However, there was no study about the franchise systems in the barbers and beauty parlors business. The purpose of this study was to find the goodness of fit of the structured equation model proposed and identify the significances of relationships in the variables of justice perceptions, trust, satisfactions, business performances, switching barriers, switching cost etc. This study tries to find a solution for a good development between franchisor and franchisee in the barbers and beauty parlors business in Korea. The theoretical considerations about justice of this study is limited in reciprocal relation justice and procedure justice. And it did make simplify for trust, satisfaction, business performance, switching barrier. And switching barrier did measure as dimension of switching coot. From October 26, 2005 to October 29, this study collected 250 survey questionnaires from the franchisees located in Seoul, Busan, Daegu, Ulsan, and Keoyng-Nam. In analyses of using SPSS Windows 11.0 and LISREL 8.14, this study used 208 cases because 48 cases did not response appropriately. Tn conclusions. reciprocal justice perception and procedure justice jointly determined trust. Secondly, reciprocal justice perception significantly determined satisfaction. Procedure justice perception negatively determined satisfaction, but this relationship was not significant. Thirdly, reciprocal justice perception positively influenced business performance, and procedure justice negatively influenced business performance, but the last relationship was not significant Fourthly, trust positively significantly influenced satisfaction and business performance. Fifthly, satisfaction positively influenced business performance and true determined switching barrier positively. This study shows following: firstly, a composition concept did make structural relationship and secondly, a reciprocal relation justice of a franchisor did appear as an important variable and it gives positive influence to trust, satisfactions, business performance, switching barriers of the franchisees.

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A Study on the Effects of School Libraries in School Education (학교도서관이 학교교육에 미치는 영향에 관한 연구)

  • Lee, Jee-Yeon
    • Journal of the Korean Society for Library and Information Science
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    • v.43 no.4
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    • pp.353-380
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    • 2009
  • Some of the possible effects of revitalizing school libraries are improved personality education and an acquisition of the basic, as well as cultural, knowledge through expanded reading opportunities. The goal of school education is to increase the students' intellectual quality by providing structured education curriculums. In order to meet this goal, there has been increased interest in ways to enhance academic achievements or to increase the cognitive level of the students. In this study, we focused on the effects of school libraries on learning capabilities. To measure the learning capabilities, we used academic achievements as the evaluation criteria. Based on the statistical analysis, we found that the collection types and the reasons for using school libraries influenced the academic achievements more than the frequency of using school libraries. However, the influences of economic and social factors were too great in comparison to other factors. This paradoxically shows the importance of public education and the school libraries' role in education in general. In summary, school libraries should provide good quality reading experiences as well as methods to collect, manage, and use information to the students. These efforts will positively impact the academic achievements of the students.

Effect of Addition Levels of Sodium Chloride on Gel Properties of Surimi-like Pork (NaCl 첨가량에 따른 돈육 수리미의 젤 특성)

  • Kang Geun-Ho;Han Chul-Yong;Joo Seon-Tea;Kim Byoung-Chul;Park Gu-Boo
    • Food Science of Animal Resources
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    • v.26 no.1
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    • pp.20-27
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    • 2006
  • Effects of addition level of sodium chloride (NaCl) on gel properties of surimi-like pork (SLP) were investigated. Porcine semimembranosus muscle was used to manufacture SIP contained 1, 2, 3 and 4% NaCl to measure moisture content, pH, color, gel strength, micro-structure and sensory evaluation. The pH and moisture content of SLP were decreased as increasing of NaCl level. However, the gel strength of SLP was increased with increasing of NaCl level. Values of yellowness and chroma were lower in SLP of 2% and 3% NaCl compared with those of 1% and 4% NaCl. Amorphus protein particles size in micro-structure of SLP was decreased and coagulated as increasing level of NaCl. SLP of 1% NaCl had a structure formed by aggregates of densely packed globular proteins and arranged in clusters, whereas a well-structured matrix with a highly interconnected network of strand was observed in SLP of 4% NaCl. Result suggested that the increasing gel strength with NaCl level might be due to lower moisture content and denser micro-structure of gel.

Study of morphology on the Oxidation and the Annealing of High Burn-hp $UO_2$ Spent Fuel (고연소도 사용후 핵연료의 가열산화와 고온가열을 통한 미세조직 변화고찰)

  • Kim Dae Ho;Bang Jae Geun;Yang Yong Sik;Song Keun Woo;Lee Hyung Kwon;Kwon Hyung Moon
    • Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT)
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    • v.3 no.4
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    • pp.301-307
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    • 2005
  • The morphology of the high burnup $UO_2$ spent fuel, which was oxidized and annealed in a PIA (Post Irradiation Annealing) apparatus, has been observed. The high burnup fuel irradiated in Ulchin Unit 2, average rod burnup 57,000 MWd/tU, was transported to the KAERI's PIEF. The test specimen was used with about 200 mg of the spent $UO_2$ fuel fragment of the local burnup 65,000 MWd/tU. This specimen was annealed at $1400^{\circ}C$ for 4hrs after the oxidation for 3hrs to grain boundary using the PIA apparatus in a hot-cell. In order to oxidize the grain boundary, the oxidation temperature increased up to $500^{\circ}C$ and held for 3hrs in the mixed gas (60 ml He and 100 ml STD-air) atmosphere. The amount of 85Kr during the whole test process was measured to know the fission gas release behavior using the online system of a beta counter and a gamma counter. The detailed micro-structure was observed by a SEM to confirm the change of the fuel morphology after this test. As the annealing temperature increased, the fission products were observed to move to the grain surface and grain boundary of the $UO_2$ matrix. This specimen was re-structured through the reduction process, and the grain sizes were distributed from 5 to $10\;{\mu}m$.

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