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서완석,Seong Ho Kim,Si Youn Song,Jian Hur,Jun Lee,Sunho Choi,Yoojung Lee,Dai Seg Bai 영남대학교 의과대학 2020 Yeungnam University Journal of Medicine Vol.37 No.4
Active and prompt scale-up screening tests are essential to efficiently control the coronavirus disease 2019 (COVID-19) outbreak. The goal of this work was to identify shortcomings in the conventional screening system (CSS) implemented in the beginning of the outbreak. To overcome these shortcomings, we then introduced a novel, independently developed system called the Yeungnam University type drive-through (YU-Thru), and distributed it nationwide in Korea. This system is similar to the drive-throughs utilized by fast food restaurants. YU-Thru system has shortened the time taken to test a single person to 2–4 minutes, by completely eliminating the time required to clean and ventilate the specimen collection room. This time requirement was a major drawback of the CSS. YU-Thru system also reduced the risk of subjects and medical staff infecting one another by using a separate and closed examination system. On average, 50 to 60 tests were conducted per day when using the CSS, while now up to 350 tests per day are conducted with the YU-Thru system. We believe that the YU-Thru system has made an important contribution to the rapid detection of COVID-19 in Daegu, South Korea. Here, we will describe the YU-Thru system in detail so that other countries experiencing COVID-19 outbreaks can take advantage of this system.
Overview of Conductor Production for ITER Toroidal Field Magnet in Korea
Soo-Hyeon Park,Soun Pil Kwon,Won Woo Park,Heekyung Choi,Young Jae Ma,Young Ho Seo,Ki Hong Sim,Pyeong Yeol Park,Jun-Seg Lee,Il-Young Han,Sung Chan Kang,Dong Hee Lee,Turtu, S.,Di Zenobio, A.,Quagliata, IEEE 2014 IEEE transactions on applied superconductivity Vol.24 No.3
<P>The ITER toroidal field (TF) conductor is made up of superconducting Nb<SUB>3</SUB>Sn and copper strands assembled into a multistage, rope-type cable inserted into a conduit of butt-welded stainless steel jacket sections. For the ITER Project, the Korean Domestic Agency (KODA) took the responsibility of the procurement of 27 superconducting conductors for the ITER TF magnets. After concluding the Procurement Arrangement (PA) with the ITER International Organization in May 2008, KODA has been implementing the PA through four major industrial contracts: (1) Nb<SUB>3</SUB>Sn strand, (2) cable, (3) stainless steel jacket sections, and (4) jacketing. Prior to the production of conductors required for the TF coils, one 760-m-long copper dummy conductor and one 100-m-long superconducting conductor were fabricated for manufacturing process qualification. As of June 2013, 16 TF conductors were successfully manufactured. The full-size conductor performance tests in the SULTAN facility yielded very high performance. This article describes the technical requirements of the TF conductor and how KODA has been manufacturing the conductors with a high-level quality assurance/quality control system. It also presents the results of acceptance tests, including those of the SULTAN test.</P>