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이세준,김득영,Doo Soo Kim,Hye Sung Lee,Yong-Deuk Woo 한국물리학회 2004 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.45 No.2
buer layer showed a signicantly clean surface with mirror-like morphology. From the results of photoluminescence measurements at room temperature, UV emission originating from near-band-edge emission was observed for the mirror-like Zn0:93Mn0:07O thin lms, while the columnar-structured Zn0:93Mn0:07O thin lms were optically poor. The mirror-like Zn0:93Mn0:07O thin lms clearly showed a hysteretic behavior for the measurement of magnetization, which is obvious evidence of ferromagnetism. The columnar-structured
표준 내시경유두괄약근절개술에서 사용 전류에 따른 합병증 발생의 비교
이세준 ( Lee Se Jun ),송기섭 ( Song Gi Seob ),정준표 ( Jeong Jun Pyo ),이덕용 ( Lee Deog Yong ),정연수 ( Jeong Yeon Su ),지상원 ( Ji Sang Won ),백용한 ( Baeg Yong Han ),박승우 ( Park Seung U ),송시영 ( Song Si Yeong ),이관식 ( Lee 대한소화기학회 2004 대한소화기학회지 Vol.43 No.3
Background/Aims: The blended current is usually used for endoscopic sphincterotomy (EST) to minimize bleeding. The pure cutting current may induce less edema of the ampulla and therefore result in less injury to the pancreas theoretically. The aim of this study was to evaluate effects of electric currents used on the development of serum pancreatic enzyme evaluation, clinical pancreatitis or bleeding after EST. Methods: One hundred and eighteen consecutive patients who underwent EST with standard papillotome alone for the treatment of choledocholithiasis were reviewed. All EST had been performed by two endoscopists whose experience on EST was similar: one uses blended current(BC group, n=74), while the other uses pure cutting current (PC group, n=44). Results: Baseline clinical, laboratory, and procedural parameters were similar in both groups. The incidences of hyperamylasemia and hyperlipasemia were similar between two groups. There was no significant difference in the incidence of clinical pancreatitis between two groups (BC 6.8% vs PC 0.0%, p=0.1557). All episodes of pancreatitis were mild. No episodes of significant bleeding occurred after EST. The incidences of sepsis, cholangitis and perforation were also not different between two groups. Conclusions: Development of complications after standard EST such as hyperamylasemia, clinical pancreatitis, and bleeding may not depend on the electric current used. (Korean J Gastroenterol 2004;43:204-210)
증례 : 경피경간적 담낭 배액술로 완치된 급성 기종성 담낭염 1예
이상훈 ( Sang Hun Lee ),황성준 ( Seoung Joon Hwang ),이세준 ( Se Joon Lee ),백용한 ( Yong Han Baeg ),이상인 ( Sang In Lee ),이광훈 ( Kwang Hun Lee ),이동기 ( Dong Ki Lee ) 대한내과학회 2005 대한내과학회지 Vol.69 No.-
Emphysematous cholecystitis is an unusual variant of acute cholecystitis caused by gas-forming organisms. It is characterized by the presence of gas in the gall bladder lumen, wall or pericholecystic tissues. It is thought to be a rare but life-threatening disease with high morbidity and mortality rates than those for other types of acute cholecystitis. Management of emphysematous cholecystitis is surgical removal of gallbladder. Recently, percutaneous cholecystostomy drainage is employed in patients with complications such as perforation and in those who have high surgical risk. It is demonstrated to lower the surgical mortality rates, but it still does not obviate the need for surgical removal of the gallbladder. Percutaneous cholecystostomy may be used for definite therapeutic procedure of emphysematous cholecystitis and we report a case of emphysematous cholecystitis that was cured by the percutaneous cholecystotomy without surgical procedure. (Korean J Med 69:S777-S781, 2005)
이소성 췌장의 악성 변화에 의하여 발생한 십이지장 선암종
남주영 ( Nam Ju Yeong ),이상인 ( Lee Sang In ),정준표 ( Jeong Jun Pyo ),최성호 ( Choe Seong Ho ),이덕용 ( Lee Deog Yong ),최재필 ( Choe Jae Pil ),이정일 ( Lee Jeong Il ),이세준 ( Lee Se Jun ),이관식 ( Lee Gwan Sig ),강진경 ( Kang 대한소화기학회 2003 대한소화기학회지 Vol.42 No.2
Heterotopic pancreas, defined as the presence of pancreatic tissue that lacks anatomic and vascular continuity with the pancreas proper, may be more likely to undergo malignant change. However, malignancy arising from heterotopic pancreas is rare. In Korea, only one case of adenocarcinoma arising from a gastric heterotopic pancreas has been reported. Recently, we experienced a case of duodenal carcinoma arising from heterotopic pancreas in a 64-year-old man. Endoscopic biopsy of the stenotic duodenum was positive for adenocarcinoma, and he underwent a pancreaticoduodenectomy with subtotal gastrectomy. Histologic examination of the resected specimen satisfied the proposed conditions that are necessary to prove that a malignancy arose from heterotopic pancreas. Despite an adjuvant chemotherapy, he died 10 months after surgery. Herein, we report a case of duodenal adenocarcinoma arising from heterotopic pancreas with a review of the relevant literature. (Korean J Gastroenterol 2003;42:164-167)
사물인터넷 디바이스를 위한 DNS 네임 자동설정의 설계 및 구현
이세준(Sejun Lee),정재훈(Jaehoon Jeong) 한국정보과학회 2015 정보과학회논문지 Vol.42 No.11
최근 가장 주목받고 있는 연구 분야 중 하나인 사물인터넷(Internet of Things, IoT)은 네트워크에 연결된 매우 많은 디바이스를 통해 사용자에게 다양한 서비스를 제공하는 것을 목표로 한다. IoT 환경에서 IoT 디바이스는 매우 많은 개수가 사용되는데 각 IoT 디바이스에 대한 DNS(Domain Name System) 네임을 일일이 수동으로 설정하는 것은 비효율적이다. 따라서 본 논문에서는 IPv6 기반의 IoT 환경에서 IoT 디바이스의 DNS 네임을 자동으로 생성하고 관리하는 DNS Name Autoconfiguration (DNSNA)이라는 기법을 제안한다. DNS 네임을 생성 및 등록하는 과정에서 Internet Engineering Task Force(IETF)에서 재정된 표준 프로토콜을 이용한다. 본 기법은 유니캐스트로 DNS 서버를 통해 IoT 디바이스의 DNS 네임을 IPv6 주소로 레졸루션(Resolution)하기 때문에 멀티링크 네트워크 환경에서는 기존의 멀티캐스트 기반의 mDNS(Multicast DNS) 기법보다 트래픽을 적게 발생시킨다. 따라서 본 기법은 멀티홉으로 구성된 IoT 네트워크에서 mDNS 보다 더 적합하다. 본 논문은 제안한 기법의 디자인과 스마트홈과 스마트 로드에서의 서비스 시나리오를 설명한다. 또한 본 논문은 스마트 그리드 환경에서 구현 및 테스트에 대하여 설명한다. As one of the most spotlighted research areas, these days, the Internet of Things (IoT) aims to provide users with various services through many devices. Since there exist so many devices in IoT environments, it is inefficient to manually configure the domain name system (DNS) names of such devices. Thus, for IPv6-based IoT environments, this paper proposes a scheme called the DNS Name Autoconfiguration (DNSNA) that autoconfigures an IoT device’s DNS name and manages it. In the procedure for generating and registering an IoT device’s DNS name, the standard protocols of the Internet Engineering Task Force (IETF) are used. Since the proposed scheme resolves an IoT device’s DNS name into an IPv6 address in unicast through a DNS server, it generates less traffic than multicast-based mDNS (Multicast DNS) which is a legacy DNS application for the DNS name service in the smart home. Thus, the proposed scheme is more appropriate in multi-hop IoT networks than mDNS. This paper explains the design of the proposed scheme and its service scenarios, such as smart home and smart road. It also explains the implementation and testing of the proposed scheme in the smart grid.