• Title/Summary/Keyword: on-site production

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A study on the Support System of Industry from Technical Difficulties(1) (철도산업체 현장애로기술 지원체계 연구)

  • Kim, Jong-Ki;Lee, Kyung-Chul;Oh, Ji-Taek;Kim, Jeong-Guk
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.2235-2240
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    • 2011
  • Recently, government agencies such as MKE Ministry of the small and midsize businesses and technology development requirements, technical difficulties to solve the Institute of Cast cooperation by establishing a network hub system Institute of Cast diffusion and commercialization of the R & D and are encouraged to promote. SME supporting with the experting technologies required to small and medium-sized businesses through "A comprehensive support program production site" of ISTK(Korea Research council Industrial Science & Technology) having been performed from 2010 to 2012, a pilot project in 2009. In this paper, customized technology services program in the past two years run will be discussed with the performance and improvement. Comprehensive support program that ends the production site in 2012 onwards the needs of maintenance difficulties of the railroad companies to build a support system and its ongoing research about the future plans to do.

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Site-specific Quantification and Management of Soil Compaction: A Review (토양 다짐 변이 측정 및 관리기술에 관한 연구동향)

  • Chong, B.H.;Chung, S.O.
    • Journal of Biosystems Engineering
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    • v.31 no.1 s.114
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    • pp.24-32
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    • 2006
  • Compaction is becoming a greater concern in crop production and the environment because it can have deleterious effects on growing conditions that are difficult to remediate. Because compaction can vary considerably from point to point within a field, and also from depth to depth within the soil profile, it is important to consider quantification and management of the spatial and vertical variability in soil compaction when developing an overall site-specific crop management plan. In this paper, the importance of soil compaction, techniques for quantification of its variability, and the concept of site-specific tillage are examined. Methods and systems to detect within-field variation in soil strength as a surrogate measure of soil compaction and related soil properties are also compared and discussed. Quantification of variability in soil compaction and site-specific compaction management was motivated recently, and sensors and control systems are still under development. Future study will need to address a number of issues related to understanding and applying the sensor measurements.

The site application with 700kg/$\textrm{cm}^2$ high strength concrete (700kg/$\textrm{cm}^2$ 고강도 콘크리트의 현장적용)

  • 권영호;박정국;이보근;박칠림
    • Proceedings of the Korea Concrete Institute Conference
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    • 1993.10a
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    • pp.124-131
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    • 1993
  • A successful site application with 700kg/$\textrm{cm}^2$ ultra-high strength concrete was made by research team of Daewoo Institute of Construction Technology in Jinhae. Trial mixings of concrete, the productivity of batcher plant, the elapsed time and the pumpability had been investigated for the site condition, before the site application. As results, the efficiency of production by automatic batcher plant systems was improved and the method of quality control was estabilished for the security of fluidity due to the elapsed time, the pumping and consolidation and so on. The concrete strength cores as well as cylinders was showed more than 700kg/$\textrm{cm}^2$ for the required age. And this study would be provided valuable data base for the practical utilization of high strength concrete. Further, this study would be given new possibilities of high rise RC constructions.

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Conjugal Transfer of Plasmid DNA from Escherichia coli to Streptomyces lavendulae RFI-5

  • KITANI, SHIGERU;BIBB, MERVYN J.;NIHIRA, TAKUYA;YAMADA, YASUHIRO
    • Journal of Microbiology and Biotechnology
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    • v.10 no.4
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    • pp.535-538
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    • 2000
  • Streptomyces lavendulae FRI-5 produces the ${\gamma}$-butyrolactone autoregulator IM-2, which is required for nucleoside antibiotic producetion. We have developed a system for introducing DNA into S. lavendule FRI-5 via conjugal transfer from Esherichia cole. Conditions were established for conjugation of the oriT-and attP-containing plasmid pSET152 from E. coli ET12567 (pUZ8002) to FRI-5. Conjugation resulted in integration of the plasmid at the chromosomal C31 attB site. The frequency of intergeneric conjugation varied with the medium used. The highest frequency ($1.6\times10-5$ per recipient) was obtained on ISP medium 2 containing 10mM MgCl2. Southern blot and phenotypic analyses of exconjugants revealed that S. lavendulae FRI-5 contains a unique C31 attB site, and that integration of heterologous DNA into the attB site did not interfere with morphological differentiation or IM-2-dependent signal transduction, including the production of a blue pigment. This system will now enable detailed genetic analysis of the regulation of antibiotic production in S. lavendulae FRI-5.

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A Study on Technology Transfer of Bokto Seeding Method for Crop Production - Based on Theory of Asian and Pacific Center for Transfer of Technology(APCTT) - (복토직파재배기술의 수용과 기술 확산에 관한 연구 - 아시아태평양기술이전센터(APCTT) 이론을 중심으로 -)

  • Ahn, D.H.;Park, K.H.;Kang, Y.K.
    • Journal of Practical Agriculture & Fisheries Research
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    • v.10 no.1
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    • pp.29-41
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    • 2008
  • This research was conducted to develop a technology transfer and farmer's extension of newly released technology of Bokto seeding method for crop and vegetable production based on the theory of Asian and Pacific Center for Transfer of Technology(APCTT). This technology has recently transferred to not only Korea but also other countries like North Korea, China, Japan, Taiwan, Russia and Africa(Cameroon, Sudan and South Africa) since 2005. It has known as a highly reduction of production cost in terms of labors, chemical fertilizer and pesticides as well as environmental friendly due to a deep and side banded placement of chemical fertilizer at basal application. In addition this technology was proven to a precision farming on sowing depth and mechanism of chemical application method and also highly resistant against disasters like typhoon, flooding, low temperature, drought and lodging due to silicate application. It has improved a constraints such as a poor seedling establishment, weed occurrence, lodging, low yield and poor grain and eating quality in the previous direct seeding methods but still have a problem in occurrence of weedy rice and ununiformed operation of wet or flooded soil condition. Also this technology has a limit in marketing and A/S system. Based on a theory of APCTT evaluation and analysis this technology may be more concentrated on establishment of a special cooperation team among researcher and scientists, extension workers, industry sections and governmental sectors in order to rapidly transfer this technology to farmer's field. Also there will be needed to operate a web site for this newly released technology to inform and exchange an idea, experiences and newly improved information. A feed back system might be operated in this technology as well to improve a technology under way on users' operation. Also user's manual will be internationally released and provided for farmer's instruction and training at field site.

Structuring of BOM and Routings for CIM System In Make to Order Environments -Application of CIM System for Ship Production- (수주생산 환경에서의 CIM 시스템을 위한 BOM과 라우팅의 구조화 -조선산업 사례 중심-)

  • Hwang, Sung-Ryong;Kim, Jae-Gyun
    • IE interfaces
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    • v.15 no.1
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    • pp.26-39
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    • 2002
  • Two key data areas of the integrated production database in computer-integrated manufacturing (CIM) systems are the product structure in the forms of bills of material(BOM) and the process structure in the forms of routings. The great majority of existing information systems regard the BOM and routing as two separate data entities, possibly with some degree of cross-referencing. This paper proposes new information structure called the bills of material and routings(BMR) that logically integrates the BOM and routings for the CIM systems in ship production. The characteristics of ship production are described as: 1) make-to-order production type, 2) combined manufacturing principles (workshop production and construction site production), 3) significant overlapping of design, planning and manufacturing, 4) very long order throughput time, 5) complex product structure and production process. The proposed BMR systematically manages ail parts and operations data needed ship production considering characteristics of ship production. Also, the BMR situated on the integrated production database more efficiently supports interface between engineering and production functions, and integrates a wide variety of functions within production such as production planning, process planning, operation scheduling, material planning, costing etc., and simplifies information flow between sub-systems in CIM systems.

Relative strength of phenotypic selection on the height and number of flowering-stalks in the rosette annual Cardamine hirsuta (Brassicaceae)

  • Sato, Yasuhiro;Kudoh, Hiroshi
    • Journal of Ecology and Environment
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    • v.36 no.3
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    • pp.151-158
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    • 2013
  • We estimated phenotypic selection on the height and number of flowering-stalks in a rosette annual Cardamine hirsuta by applying path analysis to the data collected at three natural populations located in central Japan. The path from rosette size was positively connected with the fruit production through the both height and number of flowering-stalks. In the all three populations, the paths from the number of stalks were more strongly connected with the fruit production than from the height of stalks. The paths from the rosette size showed similar magnitude with the number of stalks and the height of stalks. The direct path from rosette size to the fruit production was detected only at one site. These results suggest stronger phenotypic selection on the rosette size through the number of stalks than the height of stalks. The lateral branching rather than increment of individual inflorescence size is the major response to control the fruit production for C. hirsuta growing in a natural habitat.

Study on Construction-Standard-Production-Rate for Waterproof Work Based on Site Construction Status (현장시공실태에 따른 방수공사 표준품셈 개정 연구)

  • Oh, Jae-Hoon;Tae, Yong-Ho
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2018.05a
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    • pp.304-305
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    • 2018
  • Development of waterproof methods and materials resulted in the huge changes in waterproof construction materials. In consequence, the construction-standard-production-rate underwent overall revision in 2018. Especially, from the development of the specification standard and construction methods, the waterproof construction which had lower applicability in the existing construction production rate was revised. The construction methods which did not have applicability were removed. In addition, as there was a material difference based on parts, the constructionstandard-production-rate was revised by distinguishing vertical part and floor. Furthermore, by suggesting more clear work extent, the practicability in creating the standard for calculation of the estimated price in the construction field will increase.

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Impact of Livestock-production Wastewater on Water Pollution (가축분뇨수의 무단방류가 샛강오염에 미치는 영향)

  • Choe, Hong-Rim;Son, Jae-Ho;Ryu, Sun-Ho
    • Journal of Korean Society of Rural Planning
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    • v.2 no.1
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    • pp.69-78
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    • 1996
  • Environmental impact assessment survey reflecting farmers` opinion on the residence and production space in rural settlement area by ORD showed that more than 86% of respondents thought their reservoirs and waterways (small rivers) were getting seriously contaminated primarily by garbage and livestock manure. A typical rural settlement unit was taken to assess the impact of improper management of livestock manure in the farms on the water quality of small river flowing down along the villages where swine and dairy farms were situated in Daejook 2, 3-ri, Seolseong-myun, Icheon-gun. Nitrogen compounds such as NO$_3$-N, NO$_2$-N, NH$_3$-N, and phosphorus compound H$_x$PO$_4$, DO, BOD$_5$, COD, and microbial density were analyzed to evaluate water quality at five test sites designated along the water stream. Tests showed. for example, BOD$_5$ at site 4 was average 9.2mg/l which was about 3~8 times higher than that of observation site 2 and 3, at which most livestock houses were situated. This is a clear evidence that the nutrients of livestock manure illegally discharged to small river can lead to an eutrophication of the river at downstream. A soil absorption system with aeration could be one of alternatives to treat the contaminated wastewater by livestock manure. The place at downstream, inbetween observation site 1 and 2, could be the best construction site for the treatment facility from the standpoint of the overall treatment efficiency, An enclosed composting system can also be regarded as a good alternative for treatment of the sludge which is the by-product of the soil absorption system operation.

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Development of Remote Control and Management System for Dried Mushroom Grader via Internet (인터넷을 이용한 건표고 등급선별장치의 원격제어 및 관리 시스템 개발)

  • Choi, T. H.;Hwang, H.
    • Journal of Biosystems Engineering
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    • v.24 no.3
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    • pp.267-274
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    • 1999
  • An internet and network based software and related interface have been developed, which can remotely control and manage an on-site operating system. Developed software modules were composed of two parts: monitoring/management modules and control/diagnosis modules were developed for the network status, warehouse, production and selling status. Modules of control with diagnosis were developed for the on-site operating system and interface. Each module was integrated and the whole modules have been tested with an automatic mushroom grading/sorting system which was built in a laboratory. Developed software modules worked successfully without any uncommon situations such as system down caused by the software or data transfer error. Each software module was developed independently in order to apply easily to other existing on-site systems such as rice processing centers, fruit and vegetable sorting, packaging and distribution centers scattered over the country.

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