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재식한 흰쥐 구치 치수조직의 재혈관화와 CGRP 면역반응 신경섬유의 변화
배용철,이승봉,김영진,남순현,김현정 大韓小兒齒科學會 1999 大韓小兒齒科學會誌 Vol.26 No.4
치아 재식 후 시간경과에 따른 치수조직의 재혈관화와 신경재지배의 변화를 관찰하기위해 생후 35일된 흰쥐(Sprague dawley) 56마리를 대상으로 상악우측 제1대구치를 발치 즉시 재식한 후 1일, 2일, 3일, 1주, 2주, 4주, 6주 간격으로 희생시켜 먹물을 이용한 혈관조영술과 CGRP를 이용한 면역조직화학적방법으로 각기 시행하여 다음과 같은 결론을 얻었다. 1. 재혈관화와 CGRP 면역반응신경섬유의 재지배는 재식후 1일에서 근심측 치수조직에서는 이미 이루어졌으나 원심측은 미약했다. 재식후 2일에 전치수조직에서 재혈관화와 신경재지배가 이루어졌으며 이후 6주까지 시간경과에 따라 분포밀도가 증가하였으나 대조군에 비해서는 약하게 나타났다. 2. 재식후 1주에서부터 술후 상아질이 형성되기 시작하였으며 재식후 6주에서는 대조군에 비해 상대적으로 치수강이 좁아진 양상을 보였다. 3. 재혈관화와 신경재지배는 거의 같은 시기에 이루어지는 것으로 나타났으며 밀접한 관련성이 있는 것으로 보인다. The purpose of this study was to investigate the revascularization and reinnervation of calcitonin gene-related peptide immunoreactive nerves in immediately replanted rat molars. First maxillary right molars in 56 rats(35days old) were extracted and immediately replanted. The rats were killed 1, 2, 3, 7, 14, 28 and 42 days after replantation and revascularization of pulpal blood vessels were examined microangiogram with korean traditional ink and reinnervation of pulpal nerve were examined immunohistochemical method using calcitonin gene-related peptide(CGRP) antiserum. The results were as follows; 1. Revascularization and reinnervation of CGRP immunoreactive nerve fibers were observed mesial side whole pulp tissue of replanted teeth. Revascularization and reinnervation of CGRP immunoreactive fiber were made at 2days after replantation in entire pulp of replanted teeth and the distribution density of blood vessels were gradually increased according time elapsed, but did not achieve the density of control. 2. Postoperative dentin formation in replanted teeth revealed at 1 week after replantaton and gradually increased according to time elapsed. 3. Revascularization and Reinnervation of CGRP immunoreactive nerve fibers were established at the same time and it seems to be closed relatationship between revascularization and reinnervation.
배승철 원광대학교 대학원 2008 論文集 Vol.41 No.-
Our country has already entered the aging society or the graying society with the population of people over 65 accounting for 9.9% at the present, July of 2007. Furthermore, in 2026, our country is expected to turn to into the super-aged society. Jeollabuk-do is a representative place having the aged are increasing rapidly more than the areas nearby. It has already switched to the aging society in 1990 and reached the aged society in 2007 with 14.3%. To prepare for the fast-progressing graying phenomenon, Jeollabuk-do is propelling a variety of policies. Considering the significance of the aging problem and the excessive amount of budget used, it is very important to notice what kind of problems there are on the entity of these policies. To do this, this dissertation shows the examination Jeollabuk-do's policies about welfare of the aged and the present condition of the project propulsion. Also, there are scrutinizes on whether it is propelled appropriately to their purpose. Through these works, this dissertation is planning the overall comprehension of the policies on aged in Jeollabuk-do.
충남 서북부지역의 개발 잠재력 분석 : 아산시를 중심으로
배성의,박동진,윤준상,황인극,최승철 공주대학교산업개발연구소 2000 産業開發硏究 Vol.8 No.-
This study was purpose for develop potential analysis of Chungnam north-west area and propose to regional development strategy. To arrived at a result for develop direction of Chungnam north-west area, Asan city will be development of central city for Asan bay, new indusrial city, tourist industrial city and ecological city.
배귀남,김민철,이승복,송기범,진현철,문길주 한국대기환경학회 2003 한국대기환경학회지 Vol.19 No.4
A multi-functional indoor smog chamber was designed and evaluated lo investigate photochenical or water vapor reaction mechanisms of air pollutants. Various smog chamber experiments could be conducted using ambient air or purified air in this smog chamber. The smog chamber consisted of a housing, a Teflon bag, blacklights, injection ports, sampling ports, and utility facilities. The characteristics of light source, the wall losses of air pollutants, and the quality of purified air were experimentally investigated. The maximum NO₂ photolysis rate was 1.10min^(-1). In a 2.5-m³ Teflon bag, the wall losses of ambient O₃, NO, and NO₂were 1.2~2.4×10^(-3)min^(-1), 0.7~2.0×10^(-3)min^(-1), and 0.4-2.0×10^(-3)min^(-1), respectively. The wall loss of ambient particles ranging 0.05 to 0.2㎛ was 1.8~5.4×10^(-3)min^(-1), which was slightly higher than those of ambient gaseous species. The purified air supply system provided high quality of air with NO₂, < 1 ppb, and total hydrocarbons <5 ppb.
보일러 FGR 환경설비시스템에 있어서 배기 배출물에 미치는 재순환 배기의 영향
배명환,김정민,최승철 경상대학교 생산기술연구소 2003 工學硏究院論文集 Vol.19 No.-
The effect of recirculated exhaust gas on exhaust emissions under four kinds of nozzle tip with the different fuel consumption rate are experimentally investigated by using an once- through boiler with FGR system. The purpose of this study is to develop the FGR control system for reducing NO, in a boiler. Intake and exhaust oxygen concentrations, and equivalence ratio are applied to discuss the effect of FGR rate on exhaust emissions at various fuel consumption rates. It is found that NO, emissions are decreased, while soot emissions are increased owing to the drop of intake and exhaust oxygen concentrations, and the rise of equivalence ratio as FGR rates are elevated.
배효광,박재효,이승엽,이철희 嶺南大學校 工業技術硏究所 1987 연구보고 Vol.15 No.2
A flow system was used to measure the equilibrium solubilities of Benzoic acid(308, 318, 328 K), Phenol(303, 309 K) and Menthol(303, 313, 323 K) in supercritical Carbon dioxide at various temperatures and a ranged of pressures. The observed data were correlated with a thermodynamic model based on the Peng and Robinson equation of state. The critical properties and acentric factor for Menthol that could not be available in literature were predicted by the method proposed in this work as well as Lydersen's method.
외상성 뇌지주막하출혈을 동반한 두부외상 환자의 예후인자
길승배,김헌주,허철,한용표,홍순기,변진수 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.9
The presence of traumatic subarachnoid hemorrhage on the initial computerized tomographic scans has been known to be associated with worse results. By means of a simple and reliable computerized tomographic grade system proposed by Greene and his colleagues, prognostic factors of the traumatic subarachnoid hemorrhage was significantly related to clinical outcome at the time of discharge from acute hospitalization. Between February 1992 and August 1995, 3975 patients were admitted to our department of neurosurgery due to head injury. Clinical data were retrospectively reviewed to ascertain the relationship of the thickness of traumatic subarachnoid hemorrhage, its location, evidence of mass lesion(s), midline shift, obliteration of the basal cistern, and cortical sulcal effacement to outcome. Additionally initial Glasgow coma scale score, arterial gas study systemic blood pressure and prothrombin time were also analyzed for the same purpose. Among 3975 head-injured patients. 213 patients were identified to have traumatic subarachnoid hemorrhage on the initial computerized tomographic scan. Among 213 traumatic subarachnoid hemorrhage patients, the patients treated with calcium channal blocker(32 patients) and 3 patients lost to follow-up were excluded from this study for a total of 178. The computerized tomographic scan findings were divided into a 3 grade system : Grade 1 indicating only traumatic subarachnoid hemorrhage. Grade 2 indicating traumatic subarachnoid hemorrhage with mass lesion(s). Grade 3 indicating traumatic subarachnoid hemorrhage with mass lesion(s) and midline shift. All these data were compared to Glasgow outcome scale on discharge, and arbitarily these were divided into the good(good recovery and moderate disability) and the bad(severe disability, vegetative state and death). The authors conclude that the contributing factors to outcome at discharge were as follows : 1 midline shift(p=0.002), PT≤70%(p<0.001), obliteration of the basal cistern(p=0.001) and cortical sulcal effacement(p=0.001) were shown to the statistically significant. 2. initial computerized tomographic grade contributed to outcome at discharge.