http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
신윤호,안정업,김대희,최수경 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(구조계)
The purpose of this study is to establish an evaluation method of fracture of light-weight framed walls by human impact load. In this paper, part (I), we analyzed human impact load applied to framed walls. At first, we made original measuring equipment of impact load, and carried out the experiment on human impact load in various action. After the experiment, we extracted the essential characteristics. And grasped the property of human impact load systematically based on the relation between maximum load and load velocity.
백서 대뇌 피질에서 Norepinephrine 효과에 대한 Opioids의 영향
정남,정회상,송은석,장광철,김성수,조규박 의과학연구소 1995 全北醫大論文集 Vol.19 No.1
It has been reported that there are differences among the species in the opioid receptor types mediating the inhibitory effect of opioids. Previous studies suggested that the inhibition of high K^+-or elecrically-stimulated release of [^3H]norepinephrine ([^3H]NE) is mediated mainly by μ-opioid receptor. We characterized receptors mediating opioid-induced inhibitation of high potassium(20mM)-evoked release of [^3H]NE from slices of rat cortex incubated in vitro by comparison of the pA_2 values of the competitive antagonists, naloxone, D-Pen-Cys-Try-D-Orn-Thr-Pen_The-NH_2(CTOP), nor-binaltophimine(nor-BNI), naltrindole and bremazocine against the agonists, Tyr-D-Al-Gly-(Me)Phe-(Gly-ol) (DAMGO), Tyr-D-Arg-Phe-Sar(TAPS), [D-Ser^2, Leu^5]enkephaliln-Thr(Ds-LET), β-endorphin(1-31), β-END(1-26) and ethylketocyclazocine(EKC). All the opiod agonists listed above inhibited high potassium-evoked release of [^3H]NE in a dose-dependent manner. (5a, 7a, 8b)-(-)-N-Met-N-(7-[1-py-rolidinyl]-1-oxaspiron [4, 5]-Dec-8-yl)benzenacetamide(U-69,593), a k_1 receptor selective agonisy, and [D-Pen^2, D-Pen^5]enkephalin(DPDPE), a selective δ receptor agonist, did not ingibit[^3H]NE release even in 1μM no more concentration, indicating that δ and k_1 receptors are not involved. DAMGO, TAPS and DSLWT were more sensitively antagonized by μ-preferential opioid antagonists, CTOP and naloxone than other antagonists. TAPS and DSLET showed similar sensitivities to all tested antagonists, suggesting that they act through similar receptors. EKC and β-END(1-31) differed from other agonists and from each other in their sensitivities to most possibly of the k_2 for EKC and of the ε for β-END(1-31) These results suggest that there is heterogeneity in the opioid receptors regulating norepinephrine release in rat cortex.
A facile protocol for copper-free palladium-catalyzed Sonogashira coupling in aqueous media
Jung Da‐Young,Park Soo Youl,Kim Seung‐Hoi 대한화학회 2022 Bulletin of the Korean Chemical Society Vol.43 No.1
The combination of a readily available palladium catalyst and an eco-friendly basic aqueous solution of room-temperature ionic liquid, choline hydroxide (ChOH), was used in a facile protocol alternative to the Sonogashira coupling reaction, alkynylation of aryl halides in the absence of a copper cocatalyst and an external base. The dual nature of ChOH to act as a base and a green solvent played a crucial role in the catalytic cycle. The coupling reaction progressed efficiently to form a Csp Csp2 bond under the identified conditions although the reaction outcome depended significantly on the substrates.
임상연구 : 한국 성인에서 굴곡성 기관지경으로 측정한 이중관 기관지 튜브 사용시 안전역
박정원 ( Jung Won Park ),라은길 ( Eun Gil Rah ),이보령 ( Bo Ryoung Lee ),백종화 ( Chong Wha Baek ),정용훈 ( Young Hun Jung ),오수원 ( Soo Won Oh ),우영철 ( Young Cheol Woo ),김진윤 ( Jin Yun Kim ),구길회 ( Gill Hoi Koo ),박선규 ( 대한마취과학회 2003 Korean Journal of Anesthesiology Vol.44 No.2
1.5T 자기공명영상을 이용한 물리적 영상 특성에 대한 연구
민정환(Jung-Whan Min),정회원(Hoi-Woun Jeong),한지현(Ji-Hyun Han),이시내(Si-Nae Lee),박장호(Jang-Ho Park),김기원(Ki-Won Kim),김현수(Hyun-Soo Kim) 대한방사선과학회(구 대한방사선기술학회) 2019 방사선기술과학 Vol.42 No.5
This study was purpose to quantitative evaluation of noise power spectrum(NPS) and studied the quantitative evaluation and characteristics of modulation transfer function(MTF) by obtain the optimal edge image by using Coil in magnetic resonance imaging(MRI) equipment through Fujita theory using edge method. The MRI equipment was used (Tim AVANTO 1.5T, Siemense healthcare system, Germany) and the head matrix coil were 12channels(elements) receive coil. The NPS results of showed the best value of 0.004 based on the T2 Nyquist frequency of 1.0 mm⁻¹, and the MTF results of showed that the T1 and T2 values were generally better than the T1 CE and T1 CE FC values. The characteristics of this study were to explain the characteristic method of image quality evaluation in general. To present the quantitative evaluation process and results in the evaluation of MRI image characteristics in radiology.