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A case of pulmonary vascular air embolism in a very-low-birth-weight infant with massive hydrops (초극소 미숙아에서 발생한 중증 태아 수종을 동반한 폐혈관 공기 색전증 1례)

  • Kim, Myo Jing;Yu, Hee Joon;Lee, Cha Gon;Park, Soo Kyoung;Chang, Yun Sil;Park, Won Soon
    • Clinical and Experimental Pediatrics
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    • v.52 no.12
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    • pp.1392-1395
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    • 2009
  • Pulmonary vascular air embolism is a rare and, universally, almost a fatal complication of positive pressure ventilation in newborn infants. Here, we report a case of this unusual complication in a very-low-birth-weight infant who showed the clinical and radiological features of this complication along with pulmonary hypoplasia and massive hydrops. The possible pathogenesis has been discussed and a brief review of related literature has been presented.

A Study on the Liabilities of Wrongful Dishonor of the Issuing Bank in UCC (미국 UCC상 신용장 발행은행의 부당한 지급불이행의 책임에 관한 연구)

  • Bae, Jung-Han
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.22
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    • pp.71-106
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    • 2004
  • Todays, L/C transactions in international trade are governed by UCP 500 and eUCP. But UCP 500 and eUCP do not cover all legal problem of L/C transactions. Therefore choice of laws in international L/C transactions are occurred. U.S.A. has an enacted law (UCC ${\S}5-Letter$ of Credit) to govern L/C transaction. But other countries has no special enacted law to govern L/C transaction. The reason is that there are difference between legal attitude of U.S.A. and other countries. American law considers L/C as a special device made by merchants. Therefore U.S.A. applies UCC ${\S}5-Letter$ of Credit instead of general contract law. UCC ${\S}5-Letter$ of Credit includes provisions of warranties, remedies, and so on that UCP 500 and eUCP do not include. But the liabilities of the Issuing Bank on the wrongful dishonor in L/C transaction is very important legal problem. First, this study is to justify concepts of honor and dishonor, and sufficient conditions for dishonor of the issuing bank. in UCC. Second, this study is to examine closely the liabilities of the Issuing Bank on the wrongful dishonor in L/C transaction. Third, this study is suggest distinctive features on the Liabilities to wrongful dishonor of the issuing bank in UCC ${\S}5-Letter$ of Credit and our trader's matters to be attended to L/C transactions governed by UCC.

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A Study on the Electronic Payment and Settlement System in EU (유럽의 전자결제제도에 관한 연구)

  • CHOI, Byoung-Kwon
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.67
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    • pp.69-95
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    • 2015
  • The main purpose of this study is to analyse what are the key financial innovations in the euro area electronic payment systems. TARGET2 is the RTGS-system provided through the Eurosystem. It is used for settling central bank operations, for large interbank transfers in euro and also for other euro-denominated transfers. The specific features of TARGET2 include processing in real time, settlement in central bank money and immediate finality. In addition, the SEPA is a payment-integration initiative of the European Union for simplification of bank transfers denominated in euro. In particular, the main innovations consist of the completion of the phased migration to the TARGET2 infrastructure, and the introduction of a single retail payment market in euro - the SEPA and its products, schemes and frameworks. As the study analyse, the key innovations consist of the TARGET2 introduction, SEPA establishment and migration towards the T2S system. These innovations will lead to a better understanding of the payment and settlement systems' behavior in stress situations and to enhance the stability of the euro area financial system. Moreover, the successful integration of the European payment and settlement infrastructures will further contribute to the integration of the European financial markets, as well as to their higher competitiveness.

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A Study on the Improvement Plans of Green Insurance Industry (녹색보험산업의 발전방안에 관한 연구)

  • Han, Nak Hyun;Cho, Sung Woo;Kim, Eun Joo
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.57
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    • pp.305-331
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    • 2013
  • The purpose of this study aims to the improvement prospect of green insurance industry in Korea. Green insurance includes all classes of general insurance business including unoccupied property insurance and empty building insurance, business insurance, personal insurance, etc. Green policies often cover expensive systems that are not covered under most property policies. The same is true for some underground property, which is also exempted from many property policies. At least insurers already offer products designed to fund rebuilding damaged properties to meet certain environmental and building standards. While the products are in their infancy, insurers and brokers say the huge interest in environmental issues will increase demand. Green buildings that improve energy efficiency and air quality and reduce waste are designed to reduce their effects on the environment and the health of building occupants. Buildings account for 39% of U.S. carbon dioxide emissions, according to the Department of Energy. Insurers say that, as sustainable buildings become more common, green insurance will become more popular and some of its features might become a standard part of property policies.

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Metal-Insulator Transition of Vanadium Dioxide Based Sensors (바나듐 산화물의 금속-절연체 전이현상 기반 센서 연구)

  • Baik, Jeong Min
    • Journal of Sensor Science and Technology
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    • v.23 no.5
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    • pp.314-319
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    • 2014
  • Here, we review the various methods for the preparation of vanadium dioxide ($VO_2$) films and nanowires, and their potential applications to the sensors such as gas sensor, strain sensor, and temperature sensor. $VO_2$ is an interesting material on account of its easily accessible and sharp Mott metal-insulator transition (MIT) at ${\sim}68^{\circ}C$ in the bulk. The MIT is also triggered by the electric field, stress, magnetic field etc. This paper involves exceptionally sensitive hydrogen sensors based on the catalytic process between hydrogen molecules and Pd nanoparticles on the $VO_2$ surface, and fast responsive sensors based on the self-heating effects which leads to the phase changes of the $VO_2$. These features will be seen in this paper and can enable strategies for the integration of a $VO_2$ material in advanced and complex functional units such as logic gates, memory, FETs for micro/nano-systems as well as the sensors.

Cytological Features of Low Grade Fibromyxoid Sarcoma -Report of a Case with a Review of the Literature- (저등급 섬유점액육종의 세포소견 -1예 보고-)

  • Kwon, Mi-Seon
    • The Korean Journal of Cytopathology
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    • v.17 no.2
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    • pp.153-158
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    • 2006
  • Low-grade fibromyxoid sarcoma (LGFMS) is a rare soft tissue tumor. There have been only a few prior fine-needle aspiration (FNA) cytological reports. Recognition of this tumor is important because of its potential for metastasis despite its indolent nature and its deceptively bland cytologic appearance. A 60-year-old male presented with a slowly growing mass in the left calf detected 10 years ago. The patient underwent surgical excision. FNA cytology was performed directly on the mass. The smears showed low cellularity composed of hypercellular tissue fragments, hypocellular loose aggregates, and stripped nuclei. The cytoplasm was seen as either collagenous material or very thin fibrillary collagen strands. Tumor cells had spindle, ovoid, or irregular nuclei, fine chromatin, and small nucleoli. Focally slight degree of nuclear pleomorphism is noted. There were no mitotic figures. Blood vessels were frequently seen. Immunocytochemically, tumor cells were negative for S-100 protein, desmin, smooth muscle actin, and CD34. The diagnosis of LGFMS is rarely possible by cytology alone; however, LGFMS should be included in the differential diagnosis of spindle-cell tumors consisting of hypercellular and hypocellular components with some capillary-sized vessels arising in the deep soft tissue of the lower extremities, particularly the thigh. The immunocytochemical findings are of help in the differential diagnosis.

A Study on the Phenomenological Characteristics of Alvaro Siza's Design (알바루 시자의 건축에 나타난 현상학적 건축특성에 관한 연구)

  • Kim, Jun-Sung;Chung, Tae-Yong
    • Korean Institute of Interior Design Journal
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    • v.23 no.3
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    • pp.75-82
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    • 2014
  • The aim of this study is to review phenomenological characteristics in Alvaro Siza's works through his design intention, methods and results. As a Portuguese architect, his personal and local background as well as pursuing the essence of architecture made phenomenological characteristics of his works. The emphasis of the placeness of site and the existence of architecture has close relationship with Heidegger's concept of dwelling and the role of architecture. Although Siza has maintained white plat plane of interior space which is one of features of modern architecture, he provides dramatic and dynamic experiences of space using curved and acute angle of plane in his latter part of works. Another his phenomenological nature of buildings is a striking display of space and light which is remarkable especially in his museum designs. He made this character in adopting various shapes of double ceilings, openings and their combination with natural light which he always emphasizes. As a result, Alvaro Siza's phenomenological characteristics comes not from clear architectural or philosophical theory but from continuous practice based on pursuing the essence of architecture.

Epithelial-Myoepithelial Carcinoma of the Salivary Gland: Review of the Literature with Report of Four Cases (타액선에 발생한 상피-근상피암 4예)

  • Choi Dong-Jin;Suh Jin-Hak;Cheoug Woung-Youn;Choi Eun-Chang;Kim Hyeong-Joon;Kang Hae-Youn;Park Cheong-Soo
    • Korean Journal of Head & Neck Oncology
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    • v.17 no.2
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    • pp.238-241
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    • 2001
  • Epithelial-myoepithelial carcinoma is a rare neoplasm comprising approximately 1% of all salivary gland neoplasms. Histopathologically, the carcinomas are characterized by a dual cell population of an inner duct-forming epithelium and an outer myoepithelial cell. They are characterized by their variable clinical course and a lack of features that predict clinical outcome. The following report describes our experience with this type of tumor. We suggest that radiation therapy and long term follow-up will be necessary because this tumor have a high risk of locoregional aggressiveness.

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A Case of Primary Squamous Cell Carcinoma of the Thyroid Gland (갑상선에 발생한 원발성 편평세포암 1예)

  • Seol, Jeong-Hun;Kim, Hong-Jun;Hong, Jae-Min;Rho, Kyung-Jin;Hong, Hyun-Jun
    • Korean Journal of Head & Neck Oncology
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    • v.26 no.2
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    • pp.240-242
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    • 2010
  • Primary squamous cell carcinoma of the thyroid gland is a very rare event, representing much less than 1% of all malignant tumors of the thyroid gland. The cancer is characterized by rapidly progressive clinical course in spite of its differentiated morphologic features. In most cases, a squamous epithelium is believed to be a result of metaplasia of a follicular epithelium, although in rare exceptions, it can originate from a remnant of the thyroglossal duct or ultimobranchial body. Squamous cell carcinoma of the thyroid gland can occur in a pure form or mixed with adenocarcinoma. Because their clinical behavior is more aggressive than that of other malignant neoplasm of thyroid gland, the tumor should be treated more vigorously at its initial stage. Recently, authors experienced one case of primary squamous cell carcinoma of the thyroid gland. We report our case with a brief review of literature.

Advances in Cyber-Physical Systems Research

  • Wan, Jiafu;Yan, Hehua;Suo, Hui;Li, Fang
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.5 no.11
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    • pp.1891-1908
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    • 2011
  • Cyber-physical systems (CPSs) are an emerging discipline that involves engineered computing and communicating systems interfacing the physical world. The widespread applications of CPSs still face enormous challenges because of the lack of theoretical foundations. In this technical survey, we review state-of-the-art design techniques from various angles. The aim of this work is to provide a better understanding of this emerging multidisciplinary methodology. The features of CPSs are described, and the research progress is analyzed using the following aspects: energy management, network security, data transmission and management, model-based design, control technique, and system resource allocation. We focus on CPS resource optimization, and propose a system performance optimization model with resource constraints. In addition, some classic applications (e.g., integrating intelligent road with unmanned vehicle) are provided to show that the prospects of CPSs are promising. Furthermore, research challenges and suggestions for future work are outlined in brief.