http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
양측 뇌활 및 좌측 시상의 뇌경색으로 발현한 신경베체트병
윤명기,오준서,송관주,김기정,장준영 대한신경과학회 2024 대한신경과학회지 Vol.42 No.2
Neuro-Behcet’s disease (NBD) is defined as neurological involvement in Behcet’s disease. A 32-year-old man was admitted due to sudden memory impairment and had a history of recurrent oral/genital ulcers. Brain magnetic resonance imaging (MRI) revealed ischemic lesions in the bilateral fornix and left thalamus, and high-resolution vessel wall MRI demonstrated vasculitis in the anterior communicating artery. We report a rare case of NBD that presented as vasculitis and ischemic stroke in the bilateral fornix and thalamus.
스테로이드 치료에 반응을 보인 과관류를 동반한 급성기 멜라스증후군
송관주,윤명기,김기정,하상희,김범준 대한신경과학회 2023 대한신경과학회지 Vol.41 No.4
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) is a genetic disorder caused by mutation in mitochondrial DNA. Patients with stroke-like episodes show restrictive lesions in diffusion weighted image, whereas magnetic resonance angiography images show both vasodilation or vasoconstriction. Vasodilation may lead to hyperperfusion and cerebral edema, which may worsen clinical outcome. Here, we report a 25-year-old male patient diagnosed as MELAS, who presented with stroke-like episodes and seizures and showed cerebral edema with vasodilation which was normalized after steroid treatment.
2-microphone method을 이용한 자동차용 내장재의 임피던스 측정 실험
金寬柱,尹泰重 弘益大學校 科學技術硏究所 2001 科學技術硏究論文集 Vol.12 No.-
Sound absorption and impedance are two important parameters in identifying porous materials' behavior. To reduce the interior noise of automobiles effectively, the above parameters should be known in detail. Impedance tube method with two microphones is performed to obtain the impedance of absorbing materials. By switching two microphones, more accurate impedance results are obtained. Flow resistivity, one of four Biot's parameters, is measured and by applying Delany-Bazley's law on the measurement results, impedance values are calculated. Impedance results from both the impedance tube method and flow resistivity with Delany-Bazley's law are compared with and show reasonable results in certain frequency bands. The computer simulation with SYSNOISE is also conducted to verify the impedance measurement results.