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Jae‑Bong Lee,Dong‑Il Seo,Hyeon‑Yeong Chang 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.7
High entropy alloys (HEAs) have received tremendous attention in diferent applications because of their excellent corrosion resistance and superior mechanical properties. In the present work, a novel TiNbMoMnFe high entropy alloy systemwas synthesized and deposited on AISI 316L by DC magnetron sputtering system. The microstructure of the resulting thinflm was evaluated by grazing incidence X-ray difraction and feld emission electron microscope. It was found that the thinflm microstructure is composed of a crystalline solid solution (grain size of 76 nm) and an amorphous phase. The electrochemical investigations in Ringer’s solution revealed that a thin flm of 670 nm thick high entropy alloy has a low corrosioncurrent density of 0.024 μA cm−2, approximately 30% lower than that of the uncoated 316L. Meanwhile, the HEA thin flmshowed the highest pitting corrosion resistance and stability of the passive flm. The wettability examinations exhibited thatthe coated sample has a high contact angle of 90° in contrast to 60° for the uncoated ones. In summary, the TiNbMoMnFehigh entropy alloy thin flm shows great potential for use in biomaterial applications.
Two new records of the genus Nola Leach, 1815 (Lepidoptera: Nolidae, Nolinae) from Laos
Yeong–Bin Cha,Ulziijargal Bayarsaikhan,Sol–Moon Na,Dong–June Lee,Jae–Ho Ko,Tak–Gi Lee,Hyeong–Kyu Kim,Chang–Moon Jang,Han–Ul Kim,Yang–Seop Bae 한국응용곤충학회 2019 한국응용곤충학회 학술대회논문집 Vol.2019 No.04
The genus Nola (Nolidae, Nolinae) was established by Leach (1815), with the Noctua palliola Denis & Schiffermüller, 1775 (a junior subjective synonym of Phalaena cucullatella Linnaeus, 1758) from Vienna, Austria. Nola comprises over 200 species: Africa and western Palearctic approximately described 100 speices (Hacker et al., 2012); Oriental and Eastern Palearctic regions have over 100 species (László et al., 2010; Sasaki et al., 2011; Kononenko and Pinratana, 2013). Two species of the genus Nola Leach; Nola euryzonata (Hampson, 1900) and Nola lucidalis (Walker, 1865), reported for the first time in Laos. Illustrations of adults and genitalia of all the examined species are provided.
히스토아크릴을 이용한 십이지장 궤양 출혈의 지혈 후 발생한 급성췌장염
유재훈,문원,노지훈,구동영,조영화,김기수,윤준모 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.1
Upper gastrointestinal bleeding is common and potentially life threatening medical emergency. Emergency endoscopy is the first choice of diagnostic and treatment measure for patients with active upper gastrointestinal bleeding. Histoacryl should be considered a second-line treatment modality when conventional treatments were failed. However, it might cause several complications. Herein, we report a case of acute pancreatitis developed after histoacryl injection therapy for active duodenal ulcer bleeding. A 71-year-old man was admitted with melena and hematemesis. On emergency endoscopy, a 2 cm sized active ulcer with bleeding from an exposedvessel was seen at the duodenal bulb. Attempts to arrest the bleeding with hemoclipping and submucosal epinephrine injection were tried, but failed. We changed the method to endoscopic histoacryl injection, and obtained hemostasis immediately. A few hourslater, after successful hemostasis, patient complained diffuse abdominal pain. Ultrasonography revealed hyperechoic heterogenous diffuse pancreatic enlargement and right pararenal space fluid collection, this ultrasonographic findings and elevated serum pancreatic enzymes are compatible with acute pancreatitis.
보디빌딩 선수들의 시합 전·후 신체조성과 체력 및 혈관탄성도 변화와 영양섭취 실태연구
곽재준,박재성,하수민,백영호 釜山大學校 附設 體育科學硏究所 2013 體育科學硏究所 論文集 Vol.30 No.-
The purpose of this study were to investigate a study of body composition, physical fitness, change of vascular compliance and nutrient intake status a before and after bodybuilders match. In this study, participants were 6 bodybuilders. The analyzed data brought about the following results by using paired t-test with SPSS 20.0. The results of the research were as follows. In to body weight and BMI were significantly increased but sit and reach were significantly decreased after match. There was non significantly difference in vascular compliance. Calories, lipids, carbohydrates, fiber and ash had significantly increased after match than before match. Calcium, iron, sodium, potassium, vitamin A, retinol, vitamin B1, vitamin B6, niacin, vitamin C, vitamin E had significantly increased after match than before match. Therefore, Bodybuilders need correct regular diet habit and exercise prescription after match. 본 연구는 B광역시 남자 보디빌딩 선수 6명을 대상으로 신체조성, 체력, 혈관탄성도 및 영양소 섭취상태를 시합 전·후를 분석하는데 목적이 있다. 자료처리는 SPSS 20.0 프로그램을 이용하여 paired t-test를 실시하였고, 연구결과에서 다음과 같은 결론을 얻었다. 시합전에 비해 시합후에 체중과 BMI는 유의하게 증가하였고, 유연성은 유의하게 감소하였고, 혈관탄성도는 유의한 변화가 없었다. 그리고 열량, 지질, 당질, 식이섬유 및 회분은 시합 전 보다 시합 후 유의하게 증가하였다. 또한, 칼슘, 철분, 나트륨, 칼륨, 비타민 A, 레티놀, 비타민 B1, 비타민 B6, 나이아신, 비타민 C, 비타민 E는 시합 전 보다 시합 후 유의하게 증가하였다. 이상을 종합하여 볼 때, 시합 전보다 시합 후에 영양소의 섭취증가로 인해 체중이 증가하는 것을 알 수 있으며, 이상의 연구 결과에서 시합전, 후의 식습관, 맞춤형 운동처방 및 체계적인 컨디셔닝 관리가 요구된다.
李金泳,吳永南,馬在濚,曺徵 全北大學校 基礎科學硏究所 1991 基礎科學 Vol.14 No.1
한국인의 정상 남자 112명, 여자 118명 총 230명의 460足蹠에 나타난 皮紋을 분석하여 다음과 같은 결과를 얻었다. 1) 족척의 중간부의 降線 方向은 橫行(76.5%), 輕度의 비골측 近位傾斜(11.5%), 輕度의 비골측 遠位傾斜(11.1%), 뚜렷한 비골측 遠位傾斜(0.9%)의 순으로 나타났으며 중간부의 융선 배열에 대한 대칭 빈도는 63.9%로 나타났다. 2) 무지구부 紋形은 원위측 제상문(64.8%), 와상문(20.2%), 개방문(5.9%)의 순으로 나타났으며 무지구에 나타난 대칭 빈도는 83.2%이었다. 3) 趾間部 紋形은 Ⅱ지간부에서는 개방문(73.7%), 원위측 제상문(22.2%), 근위측 제상문(3.3%), 와상문(0.9%)의 순으로, Ⅲ지간부에서는 개방문(54.8%), 원위측 제상문(41.7%), 와상문(2.4%), 근위측 제상문(1.1%)의 순으로, Ⅳ지간부에서는 개방문(81.7%), 원위측 제상문(17.4%), 와상문(0.9%)의 순으로 나타났다. 4) 趾間部 降線數는 a-b 57.76, b-c 70.74, c-d 75.09이며 남녀 사이, 또는 양족 사이에는 통계적으로 유의한 차이가 없었다(P>0.01). The dermatoglyphic patterns of the hands and feet form during early fetal life and thereafter remain essentially unchanged. These traits are useful to study genetics and environmental factors that influence prenatal life and used in practice for personal identification and diagnosis of some diseases. The students of 112 male and 118 female were tested for the patterns of plantar regions. The most common patterns were open fields in the four interdigital areas and the frequency of the mirror pattern on them was 57.2%. For a-b, b-c and c-d ridge counts of the plantar interdigital areas sampled from 105 male and 109 female students, the nonsignificances were found between both sexes and between both feet.
오구영,임미숙,정재우,조용환 충북대학교 컴퓨터 정보통신 연구소 2000 컴퓨터정보통신연구 Vol.8 No.1
본 논문은 OSP(Outside Plant) 투자지능화 시스템개발을 위해서 국내외에서 개발하여 사용하고 있는 선로투자공급 시스템들에 대하여 관심을 두고, 관련된 시스템들을 조사하여 각각의 시스템의 특징 및 구성에 대하여 분석하였다. 이러한 분석결과를 토대로 국내 통신 사업체에서 통신망 계획 및 분석을 위해 앞으로 개발하여야 할 선로투자공급 모형에 대한 기준을 제시한다. This paper analysed systems that are developed as relevant systems for OSP. We focused their distinction and composition of each system which are developed and used to interior and overseas. This result is able to propose the standard model of a Intelligent System for OSP model which have to develop system for plan and analysis of communication network to telecommunication operator.