http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박주석도금강판의 용접성과 내식성에 미치는 니켈 극박도금의 영향
문원식,박광호,차승수,우치구 대한금속재료학회(대한금속학회) 1993 대한금속·재료학회지 Vol.31 No.11
The effects of Ni flash coating on weldability and corrosion resistance of lightly tin coated steel(LTS) have been studied. When Ni layer was coated the prefered orientation of Sn layer was (200) plane. As Sn alloy was formed through reflow or/and stoving process, the structure of Sn alloy with Ni layer was denser than that without Ni layer. The consumption of Sn to Sn alloy was retained when Ni was coated, because the diffusion of Sn was inhibited by dense Fe-Ni-Sn alloy. After reflow and baking process the pure metalic tin remained was enough to have good weldability of LTS. Accelerated salt immersion test, undercutting corrosion test and retort test were performed and we found that Ni-LTS (chromic acid treated) had better lacquer adhesion and better corrosion resistance than tinplate(#25).
文元植 동국대학교 대학원 1991 大學院硏究論集-東國大學校 大學院 Vol.21 No.-
The economic recession in 1980s had a devastating impact on the national and regional economies. A downturn in economic production, weakened competitiveness in the world market and increased unemployment in industrial sectors have required the governmental ability to develop a unique response to the economic crisis. Until now central government has initiated local development policy. But centrally initiated local economic development policy lost its effectiveness, which can be improved through the mobilization of local resources, Central policies could not influence the entrepreneurial climate and innovative capability of structurally weak regional communities. And those polities proved too inflexible to cope with local problems. Growing awareness of the need to mobilize local resources to solve local /regional economic problems has supported an acceleration of local economic initiatives. This study delved into the distribution of econoimic power among the different levels of government in Korea. And through the international comparision it proposed new distribution pattern of power, which allowed more responsibility to regional to regional and local government, In the field of economic development economic powers for planning, public fund, co-ordination should be devolved to local/regional government, Sub-national government as an agent of economic development should be able to plan economic development, commit itself to financing economic development programs, co-ordinate economic groups of different interests. To date, local government tended to provide economic services in the light of central government policies. But local regional government should have initiatives for local economic development, and central government should dovolve some powers and responsibilities for local government to tackle the local economic problems.
Neuralgic Amyotrophy of the Lower Extremity in a Neuropsychiatric Patient: A Case Report
문원식,모상준,배민준,황기훈 대한근전도전기진단의학회 2018 대한근전도 전기진단의학회지 Vol.20 No.2
Neuralgic amyotrophy (NA) is an idiopathic disease characterized by muscular atrophy accompanied by neuralgia, where acute pain in the limb, mostly including the shoulders, leads to muscle weakeness and atrophy in the limb days to weeks after the onset of pain. Although its exact pathogenesis is unknown, genetic and nongenetic factors, such as infection, surgery, and trauma are suspected contributors. We report this case as we diagnosed NA of the right lower limb via enhanced MRI as well as EMG and have followed up the patient’s prognosis and radiologic changes for one and a half years. In addition, the patient had been diagnosed with neuropsychiatric disorders, such as major depressive disorder and somatic symptom disorder.
문원식 평택대학교 자연과학연구소 2001 자연과학연구 Vol.- No.1
분산 컴퓨팅 환경에서 응용 프로그램들은 다른 응용 프로그램들과 자원을 공유하고 통신하면서 보다 효율적으로 작업을 수행하게 된다. 이러한 과정에서 침입자들에 의한 자원 손실을 막고 무결성을 유지하는 것은 중요한 문제가 된다. 따라서 분산 환경에서는 분산된 자원에 대한 인증(Authentication) 및 인가(Authorization) 과정 등의 중요성이 증대되었다. 이질적인 시스템간의 분산 환경을 구축할 수 있는 미들웨어(Middleware) 중 가장 활발히 연구되고 있는 CORBA에서는 보안 서비스를 제공해 주기 위해 COSS(Common Object Service Specification)3에서 보안 서비스를 정의했다. 하지만 COSS3에서 정의한 객체 접근 기법만으로는 효율적인 보안 정책 관리가 어렵다. 따라서 본 논문에서는 CORBA 보안 서비스 중 객체 접근 제어를 위해 역할-기반 접근 제어 (RBAC: Role-Based Access Control) 기법을 이용한 효율적이고 융통성 있는 보안 정책 관리에 대해 논한다. In the distributed computing environment, applications have to share resource and communicate with each other in order to perform their job efficiently. In this case, it is important to keep resources and information safe against attackers. Therefore, the need for a reasonable way for authentication and authorization of distributed resources increase. CORBA is a middleware by which a distributed object-oriented environment for heterogeneous system can be established. CORBA provide COSS(Common Object Service Specification)3 for security service. But It is difficult to manage the security policy efficiently by using the access control technology(rule-based) defined in COSS3 such as ACL, capability, and label-based access control. In this paper, we extend COSS3 with a role-based access control(policy-level) for object access conttol to maintain security policy efficiently and flexibly.
문원식 평택대학교 자연과학연구소 2006 자연과학연구 Vol.- No.6
노드의 수가 매우 많은 분산시스템은 분산정도가 크고 이에 따른 통신지연으로 부정확한 정보를 획득하며 스케줄링에서 요구하는 정보를 충분히 획득하기 어렵다. 따라서 너무 많은 노드들은 부하 균등에 참여 시키지 않고 적당한 개수의 노드들만 부하균등에 참여시키는 것이 필요하다. 부하 균등을 하려하는 노드와 주변 로드들의 부하 상태 변화에 따라 부하 균등영역을 동적으로 조정하고 프로세스 이동에 의해 가중되는 통신 오버 헤드를 줄일 수 있는 방법을 제안한다.
A Case Report of Iatrogenic Hematoma on Anterior Tibialis Muscle after Electromyography
문원식,강인현,최종경,황기훈 대한근전도전기진단의학회 2018 대한근전도 전기진단의학회지 Vol.20 No.1
Needle electromyography (EMG) is valid investigation routinely performed by physiatrists and neurologists, and quite safe when performed by an experienced examiner. Needle EMG is generally well tolerated and rarely thought to be associated with any significant side effects, other than mild pain, so practitioners usually overlook any potential complications. However, needle EMG is an invasive procedure and under certain situations has the potential to be associated with bleeding complications such as hematoma or acute compartment syndrome (ACS). We report a case of ACS after EMG in the left lower extremity that led to a lawsuit. To prevent complications such as hematoma and ACS resulting from needle EMG, we should be familiar with the clinical features of ACS and perform immediate evaluation and treatment to improve patient prognosis.