• Title/Summary/Keyword: Co-laboratory

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Analysis of Induction Heating Vessel using step response (STEP 응답을 이용한 유도가열조리기의 부하해석)

  • Han, G.H.;Jung, Y.C.;Roh, H.S.;Kwon, K.A.;Yang, W.J.
    • Proceedings of the KIEE Conference
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    • 1994.07a
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    • pp.319-321
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    • 1994
  • This paper describes the analysis and modeling process of vessel which is used for induction heating jar and induction healing cooker. We present how to calculate the value of modeling parameter according to the shape of the vessel and work coil, and the temperature of vessel.

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KEPCO-China Huaneng Post-combustion CO2 Capture Pilot Test and Cost Evaluation

  • Lee, Ji Hyun;Kwak, NoSang;Niu, Hongwei;Wang, Jinyi;Wang, Shiqing;Shang, Hang;Gao, Shiwang
    • Korean Chemical Engineering Research
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    • v.58 no.1
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    • pp.150-162
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    • 2020
  • The proprietary post-combustion CO2 solvent (KoSol) developed by the Korea Electric Power Research Institute (KEPRI) was applied at the Shanghai Shidongkou CO2 Capture Pilot Plant (China Huaneng CERI, capacity: 120,000 ton CO2/yr) of the China Huaneng Group (CHNG) for performance evaluation. The key results of the pilot test and data on the South Korean/Chinese electric power market were used to calculate the predicted cost of CO2 avoided upon deployment of CO2 capture technology in commercial-scale coal-fired power plants. Sensitivity analysis was performed for the key factors. It is estimated that, in the case of South Korea, the calculated cost of CO2 avoided for an 960 MW ultra-supercritical (USC) coal-fired power plant is approximately 35~44 USD/tCO2 (excluding CO2 transportation and storage costs). Conversely, applying the same technology to a 1,000 MW USC coal-fired power plant in Shanghai, China, results in a slightly lower cost (32~42 USD/tCO2). This study confirms the importance of international cooperation that takes into consideration the geographical locations and the performance of CO2 capture technology for the involved countries in the process of advancing the economic efficiency of large-scale CCS technology aimed to reduce greenhouse gases

A Procedure for Inducing the Occurrence of Rice Seedling Blast in Paddy Field

  • Qin, Peng;Hu, Xiaochun;Jiang, Nan;Bai, Zhenan;Liu, Tiangang;Fu, Chenjian;Song, Yongbang;Wang, Kai;Yang, Yuanzhu
    • The Plant Pathology Journal
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    • v.37 no.2
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    • pp.200-203
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    • 2021
  • Rice blast caused by the filamentous fungus Magnaporthe oryzae, is arguably the most devastating rice disease worldwide. Development of a high-throughput and reliable field blast resistance evaluation system is essential for resistant germplasm screening, resistance genes identification and resistant varieties breeding. However, the occurrence of rice blast in paddy field is easily affected by various factors, particularly lack of sufficient inoculum, which always leads to the non-uniform occurrence and reduced disease severity. Here, we described a procedure for adequately inducing the occurrence of rice seedling blast in paddy field, which involves pretreatment of diseased straw, initiation of seedling blast for the first batch of spreader population, inducing the occurrence of the second batch of spreader population and test materials. This procedure enables uniform and consistent infection, which facilitates efficient and accurate assessment of seedling blast resistance for diverse rice materials.

Distribution of Coagulase-Negative Staphylococci and Antibiotic Resistance

  • Park, Heechul;Park, Sung-Bae;Kim, Junseong;Kim, Sunghyun
    • Biomedical Science Letters
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    • v.27 no.2
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    • pp.45-50
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    • 2021
  • Coagulase-negative staphylococci (CoNS) are a typical group of microorganisms, and the recent advances in laboratory technology and medicine has dramatically modified their significance in medical practice. CoNS, which were previously classified as normal bacterial flora, have recently been reported to be associated with serious infectious diseases, such as surgical wound infection or periprosthetic joint infection. Representative CoNS include Staphylococcus epidermidis, S. haemolyticus, and S. saprophyticus, which are known to cause serious problems in biomaterial-based and prosthetic device infections, as well as to cause simple urinary tract infections in sexually active women. Over the last decade, the clinical isolation rate of CoNS has been increasing, and antibiotic resistance has also been occurring. This review aimed to investigate the incidence of CoNS infection and to use the results as basic data for the management of CoNS, with a focus on the isolation rate and antibiotic resistance in clinical surgery.