• Title/Summary/Keyword: Equipment selection

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Status of Supplier Selection Status and the Practical Use of Purchase Specifications for Self-operated School Foodservices in the Seoul Area (서울 지역 직영 학교 급식의 공급 업체 선정 및 식재료 규격서 사용 실태 조사)

  • Ryu, Kyung
    • The Korean Journal of Food And Nutrition
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    • v.20 no.2
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    • pp.226-239
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    • 2007
  • The purpose of this study was to identify the problems related to the purchasing processes of school foodservices that should be corrected for the food service safety, by examining the purchasing processes and the status of supplier selection. A questionnaire was given to 300 dietitians working at self-operated food services. Ninety-eight responses, excluding incomplete answers, were used for the statistical analysis. The survey consisted of three parts: the general characteristics of the school foodservice and dietitian, purchasing processes and supplier selection, and the purchase specifications. We found that 84% of the contract was made by informal purchasing, and the contract period was 6 months or one year. For supplier selection, problems related to the document screening systems were the superficiality of the content(45.7%) and the absence or lack of clarity of the appraisal criteria(34.8%). The important factors for the facility and equipment standards of suppliers were included unclear evaluation methods for content(41.1%) and inappropriate appraisal lists(21.1%), while unclear evaluation methods for content(41.9%) and absence or lack of clarity of the appraisal criteria(20.4%) were the problems pertaining to the supplier evaluation checklist. When using the Food Labeling Standards to select suppliers, confirmation of the sell-by date and the storage method had the highest score at 3.85 out of 5. For supplier selection, only 25% of the contract was made by using the purchase specifications. The levels of satisfaction of with Kimchi and rice cakes suppliers were significantly different according to employment type and educational background, respectively. Depending on working experiences, satisfaction was significantly different for the use of document screening, as a standard for the selection and management of suppliers, and for the facility and equipment standards of suppliers, The use of purchase specifications was different by employment type, while the use of purchase specifications for contracts was different by working experience. These results imply that the specialization of suppliers is necessary to unsure food safety. Therefore, the objective methods to evaluate the suppliers should be developed by the government, and appropriate education programs for dietitians should be prepared to enhance the utilization of purchase specifications.

Studies on selected properties of a public golf (일반인의 골프 선택 속성에 대한 연구)

  • Lee, Young-Ju
    • The Korean Journal of Franchise Management
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    • v.5 no.2
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    • pp.69-79
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    • 2014
  • This study was carried out to demonstrate how realistic any action that causes the selection criteria for new members to join the decisions of the general public about the growing recreational sport of golf to the present day. Looking at the results of in-depth interviews, "time out through direct participation "" become more and more expensive equipment "," varied program "," located near "," are items of personal development and interpersonal relationships "was found to have a significant impact on the public choice of leisure sports. It was with the greatest response in the dual to "become more and more expensive equipment," "self-development and personal relationships." These results exigent there in living the contemporary social phenomena that can not ignore the economic aspects of choosing a leisure sport and personal development and interpersonal relationships in organizations improve social promotion and sales, a key role in providing opportunities for upward mobility suggests that the passage is.

HA Study on the Selection of Mobile Crane Model for Heavy Equipments Installation (중량물 설치 시 이동식 크레인 기종선정에 관한 연구)

  • Jeong, Jae-Bok;Yoo, Ho-Seon
    • Plant Journal
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    • v.8 no.2
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    • pp.59-69
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    • 2012
  • This study focuses on avoiding the failures from the wrong selections by experiences as simulation programs is not available, and suggests the methods which effectively select the alternatives when the selected model is not appropriate for the original plan. First, CC8800-1K of DEMAG has the longest boom whose length is 216 m at the maximum. The combination of the boom is feasible to second level except for MANITIWOC M 2250 (M-1200 RINGER) which is possible to third level. Second, the angle of boom is from 20 degrees to 82 degrees. Suitable angle to work is in the 55-78 degrees. The working load of crawler type and hydraulic one to be applied is 75-85% in the critical loads capacity. As increasing operating radius, crawler type is a favorable position over hydraulic one. Lastly, related problems were verified through examination by suggestions for the design of the selection methods for the case analysis. The major problems are stemming from the selection based on its experiences, unreasonable demand for the existing facility and repeated selections by the designer who accumulates his experiences via same or similar projects.

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The Development of a Tool for Selection of LAN Switch with QoS (QoS를 고려한 LAN 스위치 선정 도구 개발)

  • Lee, Phil-Jai;Lee, Jong-Moo;Shin, In-Chul
    • The Transactions of the Korea Information Processing Society
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    • v.4 no.10
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    • pp.2533-2543
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    • 1997
  • It is necessary to understand and apply the concept of Quality of Service(QoS) for the objective selection among the computer network equipment. Because ITU-T E.800 recommendation covers the service quality of provider's viewpoint and the satisfaction of user, it can be used to evaluate and select the product of computer network systems. This paper is concerned with the development of an evaluation model using QoS and software tool for selection of the most suitable LAN switch. We apply the Analytic Hierarchy Process(AHP) method of Saaty which has been in a multiple criteria framework for an effective group decision process to the selection of LAN switch. The sample data are collected and processed from a questionnaire of professionals in the network field. And we implement a prototype tool for the selection of LAN switch according to the suggested selection model and analyse the result. The result of our research is expected to be a useful tool for decision making to evaluate and select the LAN switch and also can be applied to the decision making of evaluation and selection related to the product of computer network with QoS.

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A Case Study on Pallet Introduction to Improve Wave Soldering Process (웨이브 솔더링 공정 개선을 위한 팔레트 도입 사례 연구)

  • Seung-Chun Na;Hwan Young Choi
    • Journal of Practical Engineering Education
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    • v.16 no.2
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    • pp.179-184
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    • 2024
  • Printed circuit boards (PCBs) are a key component widely used in the production of electronic products, and not only quantitative growth but also qualitative developments such as integration cannot be ignored. Wave soldering equipment is commonly used equipment at manufacturing sites, but it is impossible to configure a dedicated equipment environment suitable for each PCB specification during the preliminary research and prototype development stage. It is neither suitable for development within limited time line nor manufacturing various product groups because only equipment setting conditions can be changed within a given time. In this study, we introduce a case of introducing a PCB pallet to enable selection of optimal process conditions within the limited environment described above. In addition, by presenting a discriminant that can determine in advance whether production is possible with current general-purpose equipment, it is expected that problems that may arise due to limitations in the general-purpose wave soldering equipment environment can be identified and resolved in advance. Ultimately, this palette makes it possible to shorten the development period and improve productivity.

Perception of Gastrointestinal Endoscopy Personnel on Society Recommendations on Personal Protective Equipment, Case Selection, and Scope Cleaning During Covid-19 Pandemic: An International Survey Study

  • Parit Mekaroonkamol;Kasenee Tiankanon;Rapat Pittayanon;Wiriyaporn Ridtitid;Fariha Shams;Ghias Un Nabi Tayyab;Julia Massaad;Saurabh Chawla;Stanley Khoo;Siriboon Attasaranya;Nonthalee Pausawasdi;Qiang Cai;Thawee Ratanachu-ek;Pradermchai Kongkham;Rungsun Rerknimitr
    • Clinical Endoscopy
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    • v.55 no.2
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    • pp.215-225
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    • 2022
  • Background/Aims: The Thai Association for Gastrointestinal Endoscopy published recommendations on safe endoscopy during the coronavirus disease 2019 (COVID-19) pandemic. This study aimed to assess the practicality and applicability of the recommendations and the perceptions of endoscopy personnel on them. Methods: A validated questionnaire was sent to 1290 endoscopy personnel globally. Of these, the data of all 330 responders (25.6%) from 15 countries, related to the current recommendations on proper personal protective equipment (PPE), case selection, scope cleaning, and safety perception, were analyzed. Ordinal logistic regression was used to determine the relationships between the variables. Results: Despite an overwhelming agreement with the recommendations on PPE (94.5%) and case selection (95.5%), their practicality and applicability on PPE recommendations and case selection were significantly lower (p=0.001, p=0.047, p<0.001, and p=0.032, respectively). Factors that were associated with lower sense of safety in endoscopy units were younger age (p=0.004), less working experience (p=0.008), in-training status (p=0.04), and higher national prevalence of COVID-19 (p=0.003). High prevalent countries also had more difficulty implementing the guidelines (p<0.001) and they considered the PPE recommendations less practical and showed lower agreement with them (p<0.001 and p=0.008, respectively). A higher number of in-hospital COVID-19 patients was associated with less agreement with PPE recommendations (p=0.039). Conclusions: Using appropriate PPE and case selection in endoscopic practice during a pandemic remains a challenge. Resource availability and local prevalence are critical factors influencing the adoption of the current guidelines.

Study to Improve School Catering Service Quality Through Cooking Hardware Upgrade (학교급식의 효율적 개선방안 - 조리설비를 중심으로 -)

  • 장재규;원융희
    • Culinary science and hospitality research
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    • v.3
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    • pp.315-326
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    • 1997
  • The school catering service has gained national attentions and has been expanding unto high schools after offering meals at elementary schools over years. This study is to identify problems and solutions in kitchen hardware areas to provide nutritiously balanced meals to schoolchildren through establishing standard menu planning. The survey analysis shows that 59.2% of dishes except for rice, Kimchi and soup are prepared by oil deep-fired or oil pan broiled. This indicates that school meals are so limited to serve baked or steamed dishes. Main reasons on the limited menu selection is that schools don't have equipment to prepare baking and steaming dishes mainly due to budget issues. All the dietitians who answered the surveys have been requesting to purchase Convotherm Ovens. Improvement solutions to the problems are: Publish the Revised Standard Equipment Layout that may allow to serve baked and steamed dishes. Establish Budget Support Program from the Government.

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An Analysis on Export Competitiveness of Korea Manufacturing Industries in the U.S.A. Market (한국제조업의 대미 수출경쟁력 변화분석)

  • Son, Yong-Jung
    • International Commerce and Information Review
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    • v.8 no.4
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    • pp.89-104
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    • 2006
  • Though weight manufacturing has in national gross production is decreasing, it has still a decisive role in economic growth of Korea, and foreign competitiveness of manufacturing has a great influence on our whole economy. Therefore, as this study speculates export competitiveness of manufacturing item by item, the results can be used for selection of strategic export-oriented products. The results of the analysis are summarized as follows: first, products that are found as competitive through analysis of trade specialization indexes are plastic, rubber, fabric, home electronic appliances, computers, communication equipment, automobiles and their spare parts. Second, electronic-electric industry such as semi-conduits, communication equipment, home electronics, computers was decided as advantageous through analysis of comparative advantages at present, while paper, print and publishing, and leather industries were classified as comparatively disadvantageous. Its political implications are presented as follows: Private corporations should develop more advanced technology and government should give more support to secure export competitiveness of manufacturing toward America. Governmental policies should be prepared to induce consistent and daring investment to technology-intensive products for export products with high-added value.

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The Analysis For Reliability In Multi-dividing Multi-connecting High Power Distribution System (배전계통 연계에 따른 신뢰도 향상 분석)

  • Cho, Nam-Hun;Ha, Bok-Nam;Kang, Moon-Ho;Lee, Heung-Ho
    • Proceedings of the KIEE Conference
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    • 2001.05a
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    • pp.316-318
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    • 2001
  • Occasionally, equipment in a distribution system fails due to damage from weather, vandalism, or other causes. In addition, it is recommended practice to have some way in which maintenance or replacement of every element in a system can be performed without causing lengthy interruption of electrical service to the customers it feeds. Thus, alternate sources, paths, and configurations of service must be planned so that both failures and maintenance do not affect customer service beyond a reasonable amount. In some cases, planning for alternate routes of service during equipment outages or emergencies -- will be the major aspect influencing selection of a feeder's capacity, type of route, or layout. We want to know the relationship between molt-dividing multi-connection and distribution reliability for contingency support considerations.

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A Study of Traction Power System Reliability (철도 급전시스템 신뢰도 평가 연구)

  • Kim Hyungchul;Cha Jun-Min;Kim Jin-O;Han Moonseob
    • Proceedings of the KSR Conference
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    • 2005.05a
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    • pp.806-812
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    • 2005
  • This paper proposes a new reliability evaluation for traction power system. The electric railway consists of traction power systems, various vehicles, operating equipment, track, overhead line and electric equipment. It is a fundamental function of traction power systems that supply customers with reasonable price, acceptable reliability and high quality power. In a general way, the power system reliability deals with the ability to satisfy load demands in supply capability or rating of every factor. On the other hand, the reliability of traction power systems has been focused on train time delay caused by power outage. In this paper, we make a selection optimum reliability indices for the reliability evaluation of electric traction power systems. The reliability study not only applies a plan for traction supply system after detecting the vulnerable point of existing traction supply systems but also makes a role in stable operating railway.

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