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가미반하백출천마탕과 침치료를 통한 한의치료로 호전된 뇌경색 후 시야장애 환자 치험 1례
김정희,김해융,원서영,유주영,정은선,유호룡,설인찬,김윤식,Kim, Jeong-hui,Kim, Hae-yoong,Won, Seo-young,Ryu, Ju-young,Jung, Eun-sun,Yoo, Ho-ryong,Seol, In-chan,Kim, Yoon-sik 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.5
Objectives: This study investigated the effectiveness of acupuncture and herbal medicine (Gami-banhabakchulchunma-tang) for post-stroke visual impairment. Methods: A 79-year-old male with headache, dizziness, visual field defects, and blurred vision caused by a posterior cerebral infarction was treated with acupuncture and Gami-banhabakchulchunma-tang for three months. We used the Numerical Rating Scale (NRS) for each symptom and measured the patient's eye-movement range. Results: Following treatment, the NRS score for headache decreased from 5 to 0, and for dizziness and blurred vision, it decreased from 5 to 1. The NRS score for visual field defects decreased from 5 to 2. The range of the patient's left and right eye movements both improved, and no adverse side effects were observed during the admission period. Conclusions: Korean medical treatment with acupuncture and herbal medicine (Gami-banhabakchulchunma-tang) could effectively treat post-stoke visual impairment.
NbC 코팅된 도가니를 사용한 고품질의 SiC 단결정 성장
김정희,김우연,박미선,장연숙,이원재,Kim, Jeong-Hui,Kim, Woo-Yeon,Park, Mi-Seon,Jang, Yeon-Suk,Lee, Won-Jae 한국결정성장학회 2021 한국결정성장학회지 Vol.31 No.2
본 연구에서는 NbC 코팅된 도가니가 SiC 단결정 품질에 미치는 영향을 조사하였다. 실험은 흑연 도가니와 NbC 코팅된 도가니를 사용하였으며, 두 실험의 결과를 체계적으로 비교 분석하였다. SiC 결정 성장은 Ar 분위기에서 2300℃ 이상의 온도와 5 Torr의 압력조건에서 PVT 법을 사용하여 진행하였다. 성장된 SiC 결정은 양면 그라인딩과 연마 가공 후 Raman 분석을 통해 결정상 분석, HR-XRD 분석으로 결정성을 분석하였다. 또한 KOH 에칭 후 광학현미경 분석과 SIMS 분석으로 결함 밀도 및 불순물 농도를 분석하여 두 웨이퍼의 품질을 비교하였다. This study was focused to investigate the effect of NbC-coated crucible on the quality of the SiC crystals. Then, the different properties between SiC crystals grown in a conventional graphite crucible and NbC-coated crucible were systematically compared. SiC crystals were grown using the Physical Vapor Transport (PVT) method at a temperature of 2300℃ and a pressure of 5 Torr in Ar atmosphere. After grinding and polishing, the polytype of the grown SiC crystal was analyzed using Raman spectroscopy, and crystallinity was confirmed by HR-XRD. Furthermore, the defect density and the concentration of impurities were analyzed by an optical microscope and a SIMS, respectively.