액취증 수술 후 상지운동 제한으로 인한 척골신경병증

정성노,임지현,권호,정상훈 大韓成形外科學會 2004 Archives of Plastic Surgery Vol.31 No.2

루프를 효과적으로 처리하는 PASC 프로세서 구조

지승현(Jee Sung Hyun),박노광(Park No Kwang),전중남(Jeon Joong Nam),김석일(Kim Suk Il) 한국정보처리학회 1999 정보처리학회논문지 Vol.6 No.5

This paper proposes PASC(PArtitioned SCeduler) processor architecture that equips with a number of functional unit and a individual scheduler pairs. Every scheduler of the PASC processor can determine whether a unit instruction can be issued to the associated functional unit or it is to be waited until next cycle caused by a resource collision or data dependencies. In the PASC processor, only the functional unit with a resource collision or data dependencies waits by executing a NOP(No Operation) instruction and the other functional units execute their own instructions. Therefore we can expect the code compaction effect on the PASC processor. Thus, the last instruction of a loop at certain iteration and the very first instruction of the loop at the next iteration can be scheduled simultaneously if the two instructions do not incur any resource collision or data dependencies. Therefore, we can expect that such two instructions without any resource collision and data dependencies are packed into the same very long instruction word and thus, the two instructions are executed concurrently at run time. As a result, we can shorten execution cycles of a loop comparing to the execution of the loop on a traditional VLIW or SVLIW processor architecture. Simulation result also promises faster execution of loops on a PASC processor architecture than those on a VLIW and SVLIW processor architecture.

식품브랜드의 패러디광고 차별성이 브랜드 인지도 및 구매의도에 미치는 영향

노현지 ( No Hyun Jee ),구자준 ( Koo Ja Joon ) 한국기초조형학회 2019 기초조형학연구 Vol.20 No.1

오늘날 소비자들은 광고의 홍수 속에 살고 있다. 식품 시장에서도 예외는 아니어서 일반적인 유형의 광고로는 더 이상 소비자들의 이목을 집중시키기 어렵다. 이렇게 치열한 경쟁 사이에서 확실한 차별화를 위해 활용되고 있는 대표적인 광고유형이 바로 패러디광고이다. 패러디광고는 유머러스한 분위기와 친숙함으로 광고 자체의 인지도를 확보하는 원천이 된다. 하지만 그러한 특유의 차별성이 광고에 노출된 식품브랜드 자체의 인지도를 확보하는데 실질적인 영향을 미칠 수 있는지는 여전히 의문이며, 더 나아가 해당 식품브랜드에 대한 소비자의 구매의도를 이끌어내는데 영향을 미치는지 역시도 확인할 필요성이 있다. 이렇게 패러디광고차별성이 지니는 학술적, 실무적 중요성에도 불구하고 그 동안 패러디광고에 관련된 연구는 세부유형과 표현기법 등 개괄적인 내용이 주류를 이루고 있으며 실제적인 효과성을 확인하는 실증연구는 부족한 실정이다. 따라서 본 연구의 목적은 식품 브랜드의 패러디광고 차별성이 브랜드 인지도 및 소비자의 구매의도에 어떠한 영향을 미치는지 확인하여 식품브랜드 관계자와 광고기획자들에게 전략적인 시사점을 제공하는 데 있다. 온라인 설문조사를 통하여 회수된 113부의 설문지를 바탕으로 회귀분석을 실시한 결과, 첫째, 식품브랜드의 패러디광고 차별성은 식품 브랜드의 인지도에 긍정적인 영향을 미친다는 것을 알 수 있었다. 소비자는 패러디 광고가 독특한 특성이 있어 경쟁력있다 느끼며 이를 통해 해당 식품 브랜드에 대한 관심을 갖게 되고, 쉽게 기억한다 대답하였다. 둘째, 식품브랜드의 패러디광고 차별성은 소비자의 구매의도에도 긍정적인 영향을 미치는 것으로 나타났다. 소비자는 패러디광고에 노출된 식품을 보고 사고 싶은 충동을 느끼고, 해당 식품브랜드 제품을 구매할 의사를 갖게 되는 것으로 나타났다. 더불어 호의적인 인식을 갖게 되어 주변 지인들에게도 식품 구매를 권유할 만하다고 여기는 것으로 나타났다. Today, consumers live in a flood of advertisements. There is no exception to the food market, so it is no longer easy to get the attention of consumers with general types of advertising. One of the most popular types of advertising is parody commercials, which are being used to make sure of distinctiveness amid such fierce competition. Parody advertising is a source of awareness of the advertising itself with its humorous atmosphere and familiarity. However, it is questionable whether such unique distinctiveness can have a real impact in securing the awareness of the food brand itself exposed to advertising, and it is necessary to check whether it affects the consumer's willingness to buy the food brand. Despite the academic, practical importance of distinctiveness of parody commercials, studies have been composed of detailed types and presentation techniques, and there is a lack of empirical research to confirm their actual effectiveness. Therefore, the purpose of this study is to provide strategic implications to food brand officials and advertising planners by identifying how the parody advertising distinctiveness of food brands affects brand awareness and consumers' willingness to purchase. As a result of regression analysis based on 113 questionnaires collected through online survey, First, it was found that parody advertisement distinctiveness of food brand had a positive effect on recognition of food brand. Consumers responded that parody ads feel competitive because of their unique characteristics, and they become interested in the food brand and easily remember it. Second, the paradigm differentiation of food brands has a positive effect on consumers' purchase intention. Consumers seem to feel the impulse to buy the food exposed to the parody advertisement and become willing to purchase the food brand product. In addition, it has a favorable perception,so it is advisable to recommend food purchases to nearby people.

텍스트 마이닝을 통한 한국 전통 디자인 인식에 관한 연구

노현지 ( No Hyun-jee ),구자준 ( Koo Ja-joon ) 커뮤니케이션디자인학회(구 시각디자인학회) 2019 커뮤니케이션 디자인학연구 Vol.69 No.-

오늘날의 디자인은 한 나라의 문화 콘텐츠가 그만의 독창성과 차별성을 확보하는데 핵심적인 역할을 수행한다. 이에 그동안 학계에서는 우리의 정체성을 담은 한국의 디자인을 융성하기 위해 학자들의 견해를 바탕으로 개념들을 제시해 왔으며, 이와 더불어 오늘날 현시대를 살아가는 대중들의 한국 전통 디자인에 대한 보편적 정체성과 그에 대한 인식 조사를 통해 새로운 시대의 철학, 기술, 감성과의 융합을 통한 혁신적문화 콘텐츠를 창조할 필요가 있다. 따라서 오늘날 한국 대중들의 마음속에 존재하는 한국 디자인의 정체성을 확인하고 한국 전통 디자인이 어떻게 인식되고 있는지를 파악할 필요가 있으며, 이를 4차 산업혁명을 이끄는 핵심기술 중의 하나인 빅데이터 텍스트 마이닝을 활용하여 분석해 보고자 한다. 이에 빅데이터 수집 및 분석 오픈소스 프로그램 UCINET을 사용하여 2018년 7월 24일~2019년 7월 24일 사이의 주요 포털사이트에서“한국 전통 디자인”에 대한 원문데이터를 수집하였다. 추출된 총 46939개의 키워드 중 불필요한 단어는 제외하고 문서 중 출현빈도 상위 39개의 키워드를 대상으로 하여 상세한 분석을 실시하였다. 중심성 분석, TF-IDF, CONCOR, NETWORK 분석 등 다양한 기법을 사용해 주제에 대해 다각도에서 분석을 시도하였다. 그 결과 ‘한국’,‘연구’,‘전통’,‘문화’의 키워드 들이 주요 키워드로 분석되었다. 이러한 연구결과는 대중들이 한국 전통 디자인에 대한 호기심을 갖고 있으며 그에 따른 연구가 필요하다는 것을 방증하고 한국 전통 디자인과 관련하여 문화적 측면을 중요하게 인식하고 있음을 알 수 있다. 이와 더불어 본 연구는 한국의 디자인에 대한 객관적인 기초자료를 제공하는 것에 이바지할 수 있을 것으로 기대된다. Today's design plays a key role in ensuring that a country's cultural content has its own uniqueness and differentiation. In the meantime, the academic community has presented the concepts based on the opinions of scholars in order to foster the Korean design that contains our identity. It is necessary to create innovative cultural contents through the fusion of philosophy, technology and emotion of the times. Therefore, it is necessary to confirm the identity of Korean design that exists in the minds of the Korean public today and how Korean traditional design is recognized, and analyze it using big data text mining, one of the key technologies leading the Fourth Industrial Revolution. Thus, using the open source program UCINET, big data collection and analysis, the original text data on "traditional Korean design" was collected from major portal sites between July 24, 2018 and July 24, 1919. Out of the total 46939 keywords extracted, unnecessary words were excluded and detailed analysis was conducted on the top 39 keywords in the document. A variety of techniques were used, such as centrality analysis, TF-IDF, CONCOR, and NETWORK analysis, to try to analyze the subject from various angles. As a result, keywords for 'Korea,' 'Study,' 'traditional' and 'Culture' were analyzed as major keywords. These findings demonstrate that the public is curious about Korean traditional design and that it needs to be studied accordingly, and recognize cultural aspects as important in relation to Korean traditional design. In addition, the study is expected to contribute to providing objective basic data on Korean design.

자동차용 CNG 연료탱크의 파열시험시 발생하는 음향방출변수 분석

지현섭(Hyun Sup Jee),이종오(Jong O Lee),주노회(No hoe Ju),이종규(Jong Kyu Lee) 대한기계학회 2011 大韓機械學會論文集A Vol.35 No.9

본 연구는 자동차용 CNG 연료탱크의 파열시험시 발생하는 음향방출변수의 분석에 관한 내용이다. 연료탱크의 복합재료 중앙부 표면에 150㎑ 공진형 AE센서를 부착하여 파열시험시 발생하는 음향방출 신호를 획득하고, 가압유지시간 동안의 hit, amplitude, count, duration, risetime, signal strength 등과 같은 음향방출 변수들을 분석하였다. 음향방출 변수 중 total count, total signal strength가 연료탱크 손상정도를 평가하는데 유용한 변수임을 알 수 있었다. This study is performed on the acoustic emission parameters involved in a burst test for a CNG-vehicle fuel tank. A resonant AE sensor with a central frequency of 150 ㎑ was attached on the composite materials in the center of the fuel tank. The analysis of AE parameters such as hit, amplitude, count, duration, risetime, and signal strength during load holding was performed. The total count and total signal strength are effective tools for the damage evaluation of a CNG fuel tank.

피로시험시 발생하는 음향방출신호를 이용한 Type Ⅱ Gas Cylinder의 손상평가

지현섭(Hyun Sup Jee),이종오(Jong O Lee),주노회(No Hoe Ju),소철호(Cheal Ho So),이종규(Jong Kyu Lee) 한국가스학회 2012 한국가스학회지 Vol.16 No.2

본 연구는 Type Ⅱ가스실린터의 20,000 회 피로시험과 파열시험시 음향방출시험을 병행하여 용기의 손상정도를 평가하고자 하였으며, 실험에 사용된 용기는 결함 크기가 3 mm×3 mm×50 mm (폭×깊이×길이)이고 결함 방향이 용기의 종방향 및 횡방향인 인공결함용기와 건전한 용기 등 세 종류이다. 피로시험시 발생된 음향방출신호는 종방향결함의 경우 전체 신호 중 결함에서 발생된 이벤트의 비율이 50 % 이상이며, 음향방출신호의 위치표정도 매우 정확하게 일치하였다. 또한 파열시험에서는 인공결함용기가 결함 위치에서 에상파열압력보다 낮은 압력으로 파열될거라는 예상과는 달리 인공결함용기의 파열압력은 건전한 용기와 큰 차이가 없었으며, 단지 종방향 인공결함용기의 경우 파열위치가 결함 위치와 근접하게 발생하였다. 이는 종방향 결함의 길이만큼 복합재료의 두께가 얇아지는 효과로 나타나게 되어 금속라이너의 피로반복시 결함 발생과 성장위치에 영향을 미친 것으로 판단된다. This research seeks to evaluate damage on type Ⅱgas cylinder by an acoustic emission test when executing 20000 cycles fatigue test and thereafter burst test. Used gas cylinders in the experimental are three types as follows; one is sound cylinder, others are cylinders which contain longitudinal and transverse artificial defect. The size of artificial defect is a depth of 3 mm, width of 3 mm and length of 50 mm. In the case of the cylinder which artificial defect, unlike the expectation that it will burst in low pressure, the burst pressure of the cylinder did not differ much according to whether or not there were defects. However, when there was longitudinal defect, the location of burst was near the location of defect. This leads to the effect in which the thickness of the composite material becomes thinner according to the length of the longitudinal defect and this is judged to have an effect on the location of initiation and growth of crack in the liner. Also, for the acoustic emission signal, when there is longitudinal defect, the ratio of an event occurring at defect position among overall hits is more than 50 %, and the source location also accords very precisely with defect position.

음향방출(AE)을 이용한 풍력 블레이드의 피로손상 평가

지현섭(Hyun-Sup Jee),주노회(No-Hoe Ju),소철호(Cheal Ho So),이종규(Jong-Kyu Lee) 한국비파괴검사학회 2015 한국비파괴검사학회지 Vol.35 No.3

본 연구에서는 풍력 블레이드의 피로손상으로 발생하는 음향방출신호의 특성을 살펴보기 위하여 길이 48 m의 풍력 블레이드 flap fatigue test를 100만 회까지 실시하였다. 60만 회까지는 hit수와 total energy가 꾸준히 증가하는 것으로 보아 블레이드의 손상이 지속되는 것으로 보이며, 주 손상기구는 rise time의 분석결과 기지균열의 생성과 성장으로 판단되었다. 또한 채널별 신호 분석을 통해 가장 손상을 많이 받은 부위가 체결부 20 m 지점의 skin과 spar의 접합 부위로 추정하였고 실제 손상 부위는 육안검사를 통해서도 확인되었다. Event source location 결과는 각 채널의 total energy 변화와 관련이 있었으며, 이러한 결과가 반영됨으로써 풍력 블레이드의 최적 설계에 유용할 것으로 판단된다. In this study, the flap fatigue test of a 48 m long wind turbine blade was performed for 1 million cycles to evaluate the characteristics of acoustic emission signals generated from fatigue damage of the wind blades. As the number of hits and total energy continued to increase during the first 0.6 million cycles, blade damage was constant. The rise-time result showed that the major aspects of damage were initiation and propagation of matrix cracks. In addition, the signal analysis of each channel showed that the most seriously damaged sections were the joint between the skin and spar, 20 m from the connection, and the spot of actual damage was observable by visual inspection. It turned out that the event source location was related to the change in each channel"s total energy. It is expected that these findings will be useful for the optimal design of wind turbine blades.

History-indicated cerclage: the association between previous preterm history and cerclage outcome

( Kyong-No Lee ),( Eun-Jee Whang ),( Kylie Hae-Jin Chang ),( Ji-Eun Song ),( Ga-Hyun Son ),( Keun-Young Lee ) 대한산부인과학회 2018 Obstetrics & Gynecology Science Vol.61 No.1

Objective Our hospital's policy is to perform history-indicated cerclage (HIC) for pregnant patients with 1 or more second-trimester pregnancy losses. Recently, the American College of Obstetricians and Gynecologists (ACOG) guideline regarding indications for HIC was changed from 3 or more previous second-trimester fetal losses to one or more. In this study, we aimed to evaluate the efficacy of the revised guideline and to investigate the association between previous preterm history and cerclage outcome. Methods We conducted a retrospective observational study of cases of HIC in singleton pregnancies performed at our hospital between January 2007 and June 2016. We compared the perioperative complications and incidences of preterm delivery in patients with one previous second-trimester pregnancy loss against those in patients with ≥2 losses. Results The incidence of preterm delivery (<32 weeks) was significantly lower in patients with one previous second-trimester pregnancy loss than in those with ≥2 losses (15/194 [8%] vs. 28/205 [14%]). In the 1 loss and ≥2 losses groups, the rates of preterm premature rupture of membranes (PPROM) were 7% and 8%, the rates of PPROM at <32 weeks 2.1% and 3.4%, and the ratios of neonatal intensive care unit admission 10% and 17%, respectively. Conclusion Comparison of HIC in one previous second-trimester pregnancy loss group with HIC in the 2 or more previous second-trimester pregnancy loss group found no difference in pregnancy outcome. This finding supports the amended ACOG guideline for HIC indications. Based on our results, we also propose development of a new protocol for HIC-related complications.

음향방출을 이용한 Type-3 수소연료탱크의 피로손상 연구

지현섭(Hyun-Sup, Jee),이종오(Jong-O, Lee),주노회(No-Hoe, Ju),김은정(Eun-Jung, Kim) 한국가스학회 2013 한국가스학회 학술대회논문집 Vol.2013 No.5

인체위암세포주(AGC)의 증식에 미치는 lovastatin의 억제효과

김지연,김성훈,서수홍,최병주,김현영,노치환,김동완,김기환,박무인,구자영 고신대학교 의학부 2002 高神大學校 醫學部 論文集 Vol.17 No.1

Background At the first step of cholesterol synthesis, 3-hydroxy-3-methylglutaryl-CoA reductase(HMG-CoA reductase) catalyzes the formation of mevalonate, which is the precusor of isoprenoid moieties that are incorporated into or linked to several molecules for cell growth and replication, which include Ras, Rho, G proteins and nuclear laminin B. Lovastatin(mevinolin), as an inhibitor of HMG-CoA reductase, blocks mevalonate synthesis, by which also prevents the isoprenylation of several proteins such as Ras, display antitumor effect in experimental models. In the present study the effects of lovastatin on the growth of human gastric carcinoma cell line, AGS cells were examined and the effects of 5-fluorouracil(5-FU) were also studied. Cell cycle analysis was done to examine the mechanisms for the inhibitory effects of lovastatin. Methods The growth of AGS cells were examined by counting cell number on one and three days treatment with 0.2umol/L, 0.4umol/L, 0.8umol/L, 1.6umol/L, 3.2umol/L lovastatin, and 0.1umol/L, 0.3㎍/㎖ 5-FU, after plating AGS cells into 35㎚^(2) plastic dishes at a density of 10*10^(4) cells/dish. The reversibility of the effects of lovastatin was examined on one day to seven days treatment with 0.8u㏖/L lovastatin after seeding 10*10^(4) cells/dish. To examine the mechanisms for the inhibitory effects of lovastatin, cell cycle analysis was done on the cells after four days treatment with 0.8u㏖/L lovastatin. Results Lovastatin significantly inhibited the growth of AGS cells in a dose-dependent fashion(p<0.05). Forth-eight percent inhibition of growth was found at an lovastatin concentration of 0.8umol/L and ninety-three percent inhibition of growth was found at an lovastatin concentration of 3.2umol/L after 4 days treatment. The inhibitory effect of lovastatin on the growth of AGS cells was firstly shown at the concentration of 0.4umol/L. The removal of lovastatin by a media change after 24 hours treatment of lovastatin was note different from that of control group, which was not treated by lovastatin. Lovastatin combined with 5-FU significantly inhibited the growth of AGS cells in a dose-dependent fasion compared to lovastatin or 5-FU alone(p<0.05), which suggested additive effect of the two drugs. After four days treatment with 0.8umol/L lovastatin, the fraction of cells in G0-G1 phase, S phase and G2-M phase was 51.5%, 31.5%, 17.0% respectively in the control group, and 50.6%, 32.6%, 16.7% in the lovastatin group(0.8umol/L), showing no significant differences between the two. Conclusions Lovastatin significantly inhibited the growth of AGS cells in a dose-dependent fashion, The inhibitory effect for lovastatin on the growth of AGS cells was reversible since the growth of AGS cells after removal of lovastatin by a media change after 24-48hours treatment of lovastatin was note different from that of control group which was note treated by lovastatin. The reversibility of growth inhibition suggests that lovastatin is not a non-specific cytotoxin for AGS cells. This is the first report that lovastatin may be very useful for the treatment of gastric carcinoma, especially in conjunction with 5-FU, because the concentrations(0.2-3.2umol/L) used in our study were within the ranges of steady-state concentrations(0.15-0.3umol/L) attainable in human serum by chronic administration of maximum recommended dose(80/㎎/day) of lovastatin and additive effect of lovastatin and 5-FU. More studies by animal experiments and clinical trials are needed to establish lovastatin as an anticancer drug for human gastric carcinoma.