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이형옥,조정호,한치문 한국정보사회진흥원 2003 정보화정책 Vol.10 No.1
본 논문에서는 초고속국가망의 가입자별 망구조와 초고속 국가망을 이용하는 기능에 따른 가입자망의 유형을 분석하고, 이를 토대로 초고속국가망에서 가입자망의 정보보호를 위한 보안모델을 제시한다. 이를 위해 가입자망 구조를 FR망 가입자, ATM망 가입자 및 라우터망 가입자로 구분하고, 가입자망의 기능을 인터넷 백본 모델, ATM종단간 전용선 기능인 가상 터널링 모델, VPN모델로 분류한 다음, 각 모델별 가입자 정보보안을 위한 대응 방안을 분석한다. In this paper, subscriber network types in KII(Korea Infornation Infrastructure) accofding to subscriber network structures and the application types of subscriber are analyzed, and the protction models for the user data of subscriber networks on KII are proposed. The subscriber network structures such as FR(Frame Relay) network, ATM network and router network are defined, and the service application model in KII are classified. As a results, user data protection methods suitable for each model are analyzed.
박종익,문형남,박인호 大韓神經精神醫學會 1995 신경정신의학 Vol.34 No.4
This study is to investigate the psychological characteristics of children suffering from hematologic cancer patients and to compare them with those of their siblings as control according to age groups. We also examined the psychopathology of their patents and family environment, Forthis reason, 1) We examined the difference in age groups(children vs adolescents) using the self-report psychological questionnaire for anxiety and depression. 2) We examined the difference of the study group by age variable using the child behavior checklist for parents. 3) We examined the difference of the result reported by adolescents and by the parents. 4) We also examined the psychopathology of the parents using self-reports for parents. So 22 leukemic outpatients(10 children and 12 adolescents) in their maintenance chemotherapy phase for acute lymphocytic leukemia or lymphoma have completed the psychiatric interviews and the self-reports. For the self-reports, we have used Children's Depression Inventory(CDI), revised Children's Manifest Anxiety Scale(RCMAS), State-trait Anxiety Inventory for Children(STAIC) for all age groups and in additon the Youth Self Report(YSR) for adolescents. To evaluate the children's problem behavior, Child behavior checklists(CBCL) were filled up by their parents. And 36 parents performed Symptomcheck List-90-Revison(SCL-90-R), Beck Depression Inventory(BDI). We concluded that the child hematologic cancer patients have the tendency to express no prominent depression or anxiety and no age effect when self-reports such as CDI, RCMAS, STAIC were administered. And the siblings showed no significant difference compared to cancer patients. However, when CBCL was administered to by the parents, there were high scores in the childhood leukemic patients and the adolescent sibling controls group comparing to the other groups and such trend was more prominent in the leukemic patients group(p<0.05). also when the YSR and CBCL were compared, the YSR showed high scores in the both adolescent leukemic patients(p<0.01) and sibling controls group(p<0.05). Therefore we can suggest that the leukemic patients have the tendency to repress their own symptoms as they grow older. the patents are relatively well adapted when there are leukemic patients in their family.
쉘 요소를 이용한 박판 성형 공정 해석의 산업현장 적용에 관한 연구
정동원,고형훈,문원섭 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.2
Finite element analysis of sheet metal forming process is generally carried out by the explicit and implicit time integration method. And membrane, shell and continuum element are applied to finite element analysis. Membrane analysis can not provides sufficient information for the process which involve considerable bending effects. Shell element allows the consideration of bending effects, but involves too much computational time. In order to estimate in sheet metal forming processes used Auto-Form software using static-implicit method and shell element. Result, by applying this to an industrial site the productivity improvement and cost reduction etc. effect able was predicted.
중추에서 Prostaglandin계가 Renin-angiotensin System에 미치는 영향
최영태,김종승,문성호,오형균,김재훈,전제열,염철호,윤평진 朝鮮大學校 附設 醫學硏究所 1997 The Medical Journal of Chosun University Vol.22 No.1
Role of prostaglandins on the renin-angiotensin system in the central nervous system was examined in normotensive and 2-kidney, 1 clip (2K1C) hypertensive rats. The experiment was done under thiopental (50 ㎎/㎏, IP) anesthesia. Captopril and indomethacin were injected into the right lateral cerebral ventricle. Arterial blood pressure and heart rate were recorded from the femoral artery. Intracerebroventricular (ICV) captopril (1 ㎎) caused a decrease in mean arterial pressure in both normotensive and 2K1C hypertensive rats. The depressor response to captopril was more sensitive in hyper-tensive rats than in normotensive rats. Indomethacin treatment (ICV, 200 ㎎) altered the depressor response to captopril neither in normotensive nor in hypertensive rats. These results suggest that the cardiovascular effect of renin-angiotensin system in the central nervous system may not be mediated via prostaglandin systems in normotensive and 2KlC hypertensive rats.
서덕영,장승기,경문현,박섭형 경희대학교 산학협력기술연구원 1996 산학협력기술연구논문집 Vol.2 No.-
This paper describes two traffic shaping methods for VBR(variable bit rate) video bit streams encoded in the MPEG-2 syntax. Difficulties in control of VBR video traffic are lessened by traffic shaping. Burstness of single layer MPEG-2 can be reduced by performing intra-refresh in more than one consecutive frames. In two layer encoding of spatial scalability, burstness can be reduced by setting the temporal locations of GOP starting frame of a layVBR 트래픽을 허용한다는 것이다. 모든 AAL er, differently from the other. Queueing analysis shows that these two methods outperform conventional encoding schemes in terms of temporal and semantic QoS requirements.
Hyeong-Sun Moon,Seung-Gon Lee,Sang-Eun Lee,Changbaig Hyun 한국임상수의학회 2007 한국임상수의학회지 Vol.24 No.2
intolerance, especially after vigorous exercise. Physical examination revealed split S1 and grade III/VI diastolicregurgitant murmur at the left apex and base, respectively. ECG finding was normal sinus rhythm at rest, butsupraventricular tachycardia with bundle branch blocks after exercise. Thoracic radiography revealed dilated ascendingaorta with normal range of cardiac silhouette (VHS 10.2). Echocardiography revealed abnormal valvular structuresjust above the aortic valvular cusps causing aortic regurgitation with a reduction of left ventricular ejection fraction(LVEF). Based on those findings, the case was diagnosed as congenital aortic regurgitation caused by abnormal valvularstructures. The dog was managed with diltiazem and exercise restriction. This is a rare case of aortic deformity in dogs.
Primary Pulmonary Hypertension in a Maltese Dog
Hyeong-Sun Moon,Seung-Gon Lee,Ran Choi,박인철,Changbaig Hyun 한국임상수의학회 2007 한국임상수의학회지 Vol.24 No.4
A 1-year-old castrated male Maltese dog (weighing 2.4 kg) was presented with primary complaints ofocasional coughing, dyspnea and exercise intolerance. Badiastolic regurgitant murmur, marked dilation of pulmonary artery, right ventricular eccentric hypertrophy withthickening of ventricular septum, severe tricuspid and pulmonic regurgitation (5.4 m/sec and 3.4 m/sec, respectively)and the absence of any congenital intracardiac shunting, obstructive pulmonary diseases and systemic diseases associatedwith right ventricular pressure overload or pulmonary hyperperfusion, the case was tentatively diagnosed as primarypulmonary hypertension. The dog was treated with furosemide, aspirin and oxygen supplementation. This case reportdescribed a rare case of primary pulmonary hypertension in a Maltese dog.