• Title/Summary/Keyword: Korean lead workers.

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Constructing a Heterotopia of Migrant Space: 'Weekend Flat' of Filipino Migrant Care-givers in Tel Aviv, Israel (헤테로토피아로서의 이주 공간: 텔아비브 필리핀 노인돌봄노동자들의 '주말아파트'를 중심으로)

  • Lim, Anna
    • Journal of the Korean Geographical Society
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    • v.51 no.6
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    • pp.799-817
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    • 2016
  • This article aims to reveal the ways in which a "space of difference" is produced and interpret the space as a heterotopic space, drawing the case of Filipino elderly care-givers in Israel. The in-betweens and temporariness of the migrants'experiences in the Israeli society lead to the creation of a heterotopic space. Paying attention to their particular life rhythm as live-in care-givers, namely weekdays-workplace and weekend-flat, this article explores how the migrant care-givers build their own society through a variety of spatial practices and multiple social relations based on the flat. In making the flat a perfect form of a lifestyle for their own, the migrants inscribe their presence in the flat in unique ways for different purposes, in a way different to that which surrounds it. However, the structure of flat not only signifies the migrants' marginality but also reflects the challenging position. The flat has functions in relation to all other space that remains, even if such connection often creates effects of contrast and difference. In this light, the flat is not merely an alienated and circumscibed exotic migrant enclave but a heterotopic space which is dynamically constructed in relation to other sites in the wider societal order.

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A Study on the Feasibility of Lead(II) Iodide and Gd2O2S:Tb Overlapping Sensors in Gamma Source Conditions using FLUKA Simulation (FLUKA 전산 모사를 통한 감마선원 조건에서의 요오드화납(II)과 Gd2O2S:Tb가 결합된 센서의 적용가능성 연구)

  • Yang, Seung-Woo;Park, Yoon-Hee;Park, Ji-Koon;Heo, Ye-Ji
    • Journal of the Korean Society of Radiology
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    • v.16 no.4
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    • pp.381-386
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    • 2022
  • Non-Destruction Test (NDT) is a method to check internal defects without destroying the product. Among them, radiographic testing (RT) uses high-energy radiation, so it is very important to prevent radiation exposure of workers. Therefore, in this study, in this study, a radiation sensor structure that improves radiation detection performance compared to the existing PbI2 and can immediately detect accidents in RT was presented. For evaluation, the conversion efficiency was analyzed in the gamma ray source through FLUKA simulation. PbI2 with overlapping Gd2O2S:Tb presented in this study showed a higher radiation sensitivity from 1.22 to 3.22 times than that of non-overlapping PbI2. This indicates that the presented sensor is suitable for use as a radiation sensor for source detection in RT.

A Study of Below Knee Surrounding Dose depends on whether Using Collimator Shielding or not while Percutaneous Coronary Intervention (경피적 관상동맥 중재술 시 차폐 유·무에 따른 슬 하부 주변부 선량에 관한 연구)

  • Park, Jae Jin;Ko, Seong Jin;Kang, Se Sik;Kim, Chang Soo;Kim, Jung Hoon;Kim, Dong Hyun
    • Journal of the Korean Society of Radiology
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    • v.7 no.5
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    • pp.353-358
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    • 2013
  • Recently, the Percutaneous Coronary Intervention has become a main treatment for treating Coronary because of increase of Circulatory Disease. Because of this reason, the increase of intervention using radiation causes the radiation exposure to workers. Therefore, the latent radiation injury can be increased. Thus, this study/experiment measured around under knee whether using radiation collimator shielding or not. We measured the exposure does by the experiment methods which are using 60kV, 200mA, and 10ms of Automatic exposure conditions and using the major method of the Cinefluography of Coronary in our hospital. As the result of right coronary artery test cases, LAO $30^{\circ}$ when the curtains if you use lead 98.4%, $Cranial30^{\circ}$ 98.3% have a protective effect of the radiation. left circumflex coronary artery test cases, Caudal $30^{\circ}$ if the shielding effect of 90.2%, Caudal $30^{\circ}LAO$ $30^{\circ}$ 88.7% have a protective effect of the radiation. left anterior descending artery test cases, Cranial $30^{\circ}$ 98.3%, Cranial $30^{\circ}RAO$ $30^{\circ}$ 80.3%, Cranial $30^{\circ}$LAO $30^{\circ}$ 98% of the radiation has a protective effect. OS(Spider view) in the case of test Caudal $40^{\circ}LAO$ $40^{\circ}$ 71.2% appeared to have the effect of radiation shielding. For these reasons, radiation workers need to be aware on taking care of their radiation exposure by using the radiation collimator shielding even though it is uncomfortable for them.

A Study on Image-Based Mobile Robot Driving on Ship Deck (선박 갑판에서 이미지 기반 이동로봇 주행에 관한 연구)

  • Seon-Deok Kim;Kyung-Min Park;Seung-Yeol Wang
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.28 no.7
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    • pp.1216-1221
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    • 2022
  • Ships tend to be larger to increase the efficiency of cargo transportation. Larger ships lead to increased travel time for ship workers, increased work intensity, and reduced work efficiency. Problems such as increased work intensity are reducing the influx of young people into labor, along with the phenomenon of avoidance of high intensity labor by the younger generation. In addition, the rapid aging of the population and decrease in the young labor force aggravate the labor shortage problem in the maritime industry. To overcome this, the maritime industry has recently introduced technologies such as an intelligent production design platform and a smart production operation management system, and a smart autonomous logistics system in one of these technologies. The smart autonomous logistics system is a technology that delivers various goods using intelligent mobile robots, and enables the robot to drive itself by using sensors such as lidar and camera. Therefore, in this paper, it was checked whether the mobile robot could autonomously drive to the stop sign by detecting the passage way of the ship deck. The autonomous driving was performed by detecting the passage way of the ship deck through the camera mounted on the mobile robot based on the data learned through Nvidia's End-to-end learning. The mobile robot was stopped by checking the stop sign using SSD MobileNetV2. The experiment was repeated five times in which the mobile robot autonomously drives to the stop sign without deviation from the ship deck passage way at a distance of about 70m. As a result of the experiment, it was confirmed that the mobile robot was driven without deviation from passage way. If the smart autonomous logistics system to which this result is applied is used in the marine industry, it is thought that the stability, reduction of labor force, and work efficiency will be improved when workers work.

Anticipating the Need for Healthcare Resources Following the Escalation of the COVID-19 Outbreak in the Republic of Kazakhstan

  • Semenova, Yuliya;Pivina, Lyudmila;Khismetova, Zaituna;Auyezova, Ardak;Nurbakyt, Ardak;Kauysheva, Almagul;Ospanova, Dinara;Kuziyeva, Gulmira;Kushkarova, Altynshash;Ivankov, Alexandr;Glushkova, Natalya
    • Journal of Preventive Medicine and Public Health
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    • v.53 no.6
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    • pp.387-396
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    • 2020
  • Objectives: The lack of advance planning in a public health emergency can lead to wasted resources and inadvertent loss of lives. This study is aimed at forecasting the needs for healthcare resources following the expansion of the coronavirus disease 2019 (COVID-19) outbreak in the Republic of Kazakhstan, focusing on hospital beds, equipment, and the professional workforce in light of the developing epidemiological situation and the data on resources currently available. Methods: We constructed a forecast model of the epidemiological scenario via the classic susceptible-exposed-infected-removed (SEIR) approach. The World Health Organization's COVID-19 Essential Supplies Forecasting Tool was used to evaluate the healthcare resources needed for the next 12 weeks. Results: Over the forecast period, there will be 104 713.7 hospital admissions due to severe disease and 34 904.5 hospital admissions due to critical disease. This will require 47 247.7 beds for severe disease and 1929.9 beds for critical disease at the peak of the COVID-19 outbreak. There will also be high needs for all categories of healthcare workers and for both diagnostic and treatment equipment. Thus, Republic of Kazakhstan faces the need for a rapid increase in available healthcare resources and/or for finding ways to redistribute resources effectively. Conclusions: Republic of Kazakhstan will be able to reduce the rates of infections and deaths among its population by developing and following a consistent strategy targeting COVID-19 in a number of inter-related directions.

The Effects of Career Orientation on the Entrepreneurial·Reemployment Intention: Focused on the Mediating Effects of the Social Capitals (경력지향성이 창·재취업의도에 미치는 영향 연구: 사회적자본의 매개효과를 중심으로)

  • Kang, Gyung Lan;Park, Cheol Woo
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.12 no.5
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    • pp.177-189
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    • 2017
  • The purpose of this research is to investigate the factors which effect the intention to reemploy after the retirement and the mediation effect of the social capitalism for retired and prospective retired baby boomers. Starting from 2010, baby boomers have been retiring at a large scale. However retirement at a large scale without securing provision for fiancial wise in later life can lead to many issues regarding social and fiancial wise such as instability of labour market and increase of spending in society welfare cost and such on. Change of individual's self prospective and institutional support to help prepare find new career for next 3decade after the retirement needs to be concretized. The results of this study suggest that the management orientation affects the social capital positively and the autonomous orientation does not affect the relationship between career orientation and social capital. In terms of the relationship between career orientation and reemployment intention, management orientation does not affect the intention of the entrepreneur but affects the reemployment intention positively, while the autonomous intention affects neither entrepreneurial intention nor reemployment intention (+), Respectively. Social capital has a positive effect on the intention of reemployment, and the mediating effect of social capital on the relationship between career orientation and reemployment. Also, while in the work force, potential retiring baby boomer workers should be systematically supported with education, training and reemployment program based on individual's career orientation and allowing them to stay for a longer period in the labour market can be the implication to the solution for the economic stability and increasing social cost such as public pensions.

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A study on the relationship between the movement of animation and heritage of modern mechanism (애니메이션의 움직임과 근대 기계론 전통의 상관관계 연구)

  • Kim, Takhoon;Han, Tae-Sik
    • Cartoon and Animation Studies
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    • s.30
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    • pp.27-57
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    • 2013
  • Animation which appeared with films in the late 19th century was a medium which came on obtaining nourishment from art historical style of modernism. However, the relation establishment between animation and modernism has been focused mainly on animation shapes, namely painted images. This sprang from explaining the relationship between animation and paintings, and for this reason, discussions of movements in animation were understood in tradition of chromophotograph of Muybridge and Jules Marey, or some characteristics owned by the live-action film. However, movements of animation were essentially different from the indexical sign of films or photogram, and objects of reproduction were different between them. Movements reproduced by animation are not ordinary movements, but expressions of or compressed movements and considerably systematic movements. As a result, these movements are far from reproduction of live-action film photogram. Rather, the logic of movements reproduced by animation comes near to controlling their motion scopes, time, distance etc. after dividing each part of the body. This is concluded in a standpoint of modern mechanism which is represented by Descartes and La Mettrie who tried to understand human body as a exchangeable machine. Design of modern mechanism ranging from modern society to industrial society and the age of modernism came to lead to analysis of physical motions of modern industrial society called composition of efficient movements understanding them as the law of nature rather than movements as nature. In the late 19th century, Taylor, F. W. and Gilbreth, Frank Bunker's studies of workers' working hours and 'motion study' were a way of constituting the frame of machine-human, which indicates that tradition of modern mechanism affected the entire modernism passing through industrial society. Further, we can see that motion studies conducted by them have almost similar characteristics to action analysis to study animation later in the name of 'timing'.

Evaluations of the Space Dose and Dose Reductions in Patients and Practitioners by Using the C-arm X-ray Tube Shielding Devices Developed in Our Laboratory

  • Kim, Jae Seok;Kim, Sung Ho;Lee, Bu Hyung;Kwon, Soo Il;Jung, Hai Jo;Hoe, Seong Wook;Son, Jin Hyun;Kang, Byeong Sam
    • Progress in Medical Physics
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    • v.27 no.4
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    • pp.241-249
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    • 2016
  • The present study used a digital angiography x-ray device to measure the space dose and exposure dose of patients and practitioners using x-ray tube shielding devices developed in our laboratory. The intent of the study was to reduce the space dose within the test room, and to reduce the exposure dose of patients and practitioners. The patient and practitioner exposure doses were measured in five configurations in a human body model. The glass dosimeter was placed on the eye lenses, thyroid glands, left shoulder, right shoulder, and gonads. The beam was collimated at full size and at a 48% reduction for a comparative analysis of the measurements. The space dose was measured with an ion chamber at distances of 50 cm, 100 cm, and 150 cm from the x-ray tube under the following conditions: no shielding device; a shielding device made of 3-mm-thick lead (Pb) [Pb 3 mm shield], and a shielding device made of 3-mm-thick Pb (outside) and 3-mm-thick aluminum (Al) (inside) [Pb 3 mm+Al 3 mm shield]. The absorbed dose was the lowest when the 3-mm-thick Pb+3-mm-thick Al shield was used. For measurements made with collimated beams with a 48% reduction, the dose was the lowest at $154{\mu}Gy$ when the 3-mm-thick Pb+3-mm-thick Al shield was used, and was $9{\mu}Gy$ lower than the measurements made with no shielding device. If the space dose can be reduced by 20% in all situations where the C-arm is employed by using the x-ray tube shielding devices developed in our laboratory, this is expected to play an important role in reducing the annual exposure dose for patients, practitioners, and assistants.

A Case Study of BIM-based Framework on Constructability Tasks (BIM기반 골조공사의 시공성분석 업무 적용사례에 관한 연구)

  • Lee, Seung-Il;Kwon, Nam-Ha;Cho, Young-Sang
    • Journal of the Korea Institute of Building Construction
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    • v.10 no.5
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    • pp.45-54
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    • 2010
  • Recently more and more construction projects have become high-rise, complex and intelligent. Accordingly, such projects require an integrated management system for tasks, with a lean approach to construction with work processes for management and productivity. In particular, Construction Information Technology (CIT) fields are concerned with Building Information Modeling (BIM), which represents the process of generating and managing building data during its life cycle. Constructability research has progressed for the project goal which is a cost-time-quality of optimization by integrated construction knowledge and experience. However, the current constructability process has not been performed efficiently, as the existing 2D drawings and papers lack consistent and accurate information, it is difficult to share the contents of work, and the use of information is inefficient. This study proposes that the reformation and enhancement of BIM-based constructability work process can lead to brilliant performance in the framework of the construction phase through achieving collaboration between the design team and the workers at the site.

A Study on Optimal Inspection Interval for the Major Components of Construction Lift (건설용 리프트의 운행정보 및 고장데이터 분석을 통한 주요 부품별 점검주기 산출 연구)

  • Soh, Jiyune;Bae, Jaehoon;Han, Choonghee;Lee, Junbok
    • Korean Journal of Construction Engineering and Management
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    • v.16 no.3
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    • pp.68-77
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    • 2015
  • One of recent concerns for super-tall buildings is how to manage hoisting plans and equipment efficiently. Disasters are frequently occurred in relation to electromotive hoists and cranes which are commonly used in construction sites. For construction lifts, particularly, it is highly important to conduct regular inspections or prepare against breakdown in terms of safety. However, unfortunately the reality is that regular inspections are only flatly conducted according to operating hours only. A lift, whose life span is subject to the complicated considerations such as operating hours, loading condition, and the like of each component, is far too invalid as a means of maintenance. As a way to resolve this problem and improve its convenience and safety for users, this study intends to calculate individual inspection interval for the main components of lifts by measuring their actual operating hours with sensing technology and analyzing their historical data. The findings of study include calculation of inspection intervals for the main components of lifts and classification of components to check by the actual operating hours of lift (40, 90, 130, 400 hours), which are drawn up into tables. This will make an opportunity to suggest efficient maintenance measures by enabling prevention of safety accidents and enhancement of safety for workers. Also, it will lead to increasing productivity of works by eliminating sources of delaying the term due to the breakdown of lifts.