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대동맥 판막 치환술 후 반복되는 Acinetobacter baumannii 균혈증의 원인이 된 대동맥염 1예
정용필,김성철,송은희,장은영,김은경,김윤지,성흥섭,김미나,최상호,우준희,김양수 대한감염학회 2007 감염과 화학요법 Vol.39 No.3
감염성 대동맥염은 흔하지 않지만 매우 위중한 질병으로 Salmonella so.와 S. aureus가 주된 원인균이다. 아직까지 병원내 감염의 주요 원인균인 Acinetobacter baumannii에 의한 감염성 대동맥염은 보고된 바가 없었다. 저자들은 대동맥 판막 치환술을 시행받은 76세 남자 환자에서 적절한 항생제 투여에도 반복되는 A. baumannii 균혈증의 원인이 감염성 대동맥염으로 진단되었던 1예를 경험하였기에 보고하는 바이다. Infectious aortitis is an uncommon yet, life threatening disease. Early surgical treatment and prolonged antibiotic therapy is crucial to survival. Salmonella sp. and Staphylococcus aureus are the most common organisms isolated. There is no case report of infectious aortitis caused by Acinetobacter baumannii, which has recently emerged as a major cause of health care-associated infections. Here, we describe a 76-year-old male with infectious aortitis who experienced recurrent bacteremia due to A. baumannii in spite of adequate antimicrobial therapy after aortic valve replacement.
변압기의 유동대전에 대한 유속 및 유온의 영향에 관한 연구
정원용,고희석,박상현,박재윤,김정달 慶南大學校 附設 工業技術硏究所 1992 硏究論文集 Vol.10 No.-
本 硏究에서는 固體-液體 界面에서 液體가 流動할 때 발생되는 유동대전에 대한 硏究로서 大容量 變壓器내에서 絶緣油가 통과하는 通路를 모델링한 帶電 파이프를 設計·製作하고 대전 파이프내의 油路形狀에 따른 流動電流를 側定·分析하였다. 이러한 實驗으로부터 얻은 결과는 다음과 같다. 1) 流動電流는 油速의 增加에 따라 線形的으로 增加하였으며, 油溫의 增加에 따라 약 46[℃]이하에서는 增加하고 그 이상에서는 感少한다. 2) 絶緣油의 흐름이 원활하게 되도록 油路形狀을 변화시키면 流動電流는 感少한다. In this paper, the streaming electrification generated at a solid-liquid interface is studied. Electrification pipe modeled on the oil path of the high power transformer is designed and manufactured. The Streaming current is measured as a function of oil velosity, temperature at each electrification pipe. From the result of this study the following conclusions are obtained. 1) The streaming current increases linearly with increasing of oil velocity and It increases at lower temperature than 46[℃]and decreases at higher temperature than 46[℃] 2) The smoother the flow of insulating oil is the less the streaming current decreases.
자기동조 PID제어기에 의한 전력계통 안정화에 관한 연구
정형환,김상효,이광우 東亞大學校 大學院 1994 大學院論文集 Vol.19 No.-
A new technique for the exitation control of synchronous generator is presented in this paper. The proposed technique employs a self-tuning proportional-integral-derivative(PID) power system stabilizer in order to improve the dynamic performance of a synchronous machine. The self-tuning-regulator(STR) PID using recursive-least-squares(RLS) estimated K? K?, K? Gains. A application voltage control of power system terminal voltage deviation, angular velocity deviation, and rotor angle deviation considered dynamic. Simulation results establishment that proposed STR PID control technique superiorited conventional PSS(power system stabilizer) control.
정상수 청주대학교 학술연구소 2015 淸大學術論集 Vol.2015 No.S-9
This paper is to study about producing TV commercials whose role and broadcasting system are changing in an era of new media. As the days are past when TV commercials were broadcasted only on TV monitors, we need to develop TV commercials optimized for mobiles with small screens. The theories for producing existing movies or TV commercials are adopted for producing TV commercials using mobiles as well. The basic principles are the same, such as you should take more close-ups than movies on wide screens, should produce and broadcast TV commercials of high-quality, and the ones with some fun. Nevertheless, while exploiting the basic principles fully, we need to employ innovative methods or techniques that nobody has ever tried. It is also a good idea to link home shopping web sites so that one can purchase the product in commercials immediately after watching commercials. In addition, as mobiles are extremely personal media unlike TV, we should produce commercials after fully analyzing the watching behavior of consumers. This study suggests that we need to provide the consumers with amusing and touching commercials so that they can share them with as many friends as possible.
광고 아이디어의 설득적인 화법(narrative)에 관한 연구
정상수 청주대학교 학술연구소 2015 淸大學術論集 Vol.2015 No.S-9
This paper is to study narratives which can tell the ideas for commercials more persuasively. As TV commercials convey the messages implicitly, people do not take their time to analyze and watch them like artworks. Thus, commercials without persuasive ideas are hard to grab people’s attention even for a short period of time. Thus, producers should constantly develop the techniques for unique ideas in order to win affections of consumers among increasing media clutter. TV commercials are conversations between the marketers and consumers, not one-sided media. Therefore, what we need is to develop implicative and appealing ideas. This study shows how to develop persuasive narratives in advertising.
成鍾林 圓光大學校 1991 論文集 Vol.25 No.2
The purpose of this study was to find out the program on activation of physical education for life. A total of 830 subjects (male:603, female:227) on eht rural and urban area in ChenBuk-province were taken in this study. The result are summaried as follows: 1. In the non-facilities places, lit shows that the most popular sports being practiced are jogging(rural area:10.97%, urban area:10.81%) in male, waking and jogging(rural area:4.54%, urban area:4.58%) in female. 2. It show that health condition is arerage on the urban(14.33%), rural area(16.38%) in male and(9.31%), rural area(11.32%)in male and increasing the individual or with family. 5. In the result of ANVOA verification about excercise and sports activity, it shows that the number of activity is totally more on the rural than rubom area, also increasing in both youth. 6. In the use of leisuretime, it shows that on the urban(8.56%) and rural area(9.52%) in male is watching a television()44.81%, 3.13%) in female the movies and listening music respectisfying. 8. In the result of ANOVA verification about at a distance of the inhabitant and the sports grounds, except forties, in the rural in male is at greater disfance than rural area and over twenties, on the urban is at greater distance than rural area in female. 9. In the necessity of the leader or coarch, it shows that on the urban(11.48%), rural area(17.11%) in male necessary and(7.59%, 4.09%) in female. 10. In the teason about no-joining of the sports, it shows that in ruban area(12.16%) have not leisure fime and in rural area(14.81%) a scarce of interests. 11. As concerns the use of the sports activity grounds, it shows that in ruban(10.12%), rural area(17.35%) in male utilize school-yard and(5.30%) la family faciti-fies(3.4%) school-yard in female. 12. In the reason about participation of the sports activities, it shows that in ruban(9.87%), rural(13.14%) in male improving the physical strength and (3.85%, 1.92%) in female controlling body-weight. 13. A survey of actural condition about working hours, it shows that in ruban and rural area in male, female have 8∼9 hours a day and on the rural area in female of the fitties ouer 11 hours a day.
콘텐트 라이팅(Content Writing)으로 확장되는 광고 카피라이팅(Copywriting)에 관한 연구
정상수 淸州大學校 學術硏究所 2017 淸大學術論集 Vol.- No.S-12
The purpose of this study is to find effective writing strategies as copywriting is now changing to digital content writing. The field of copywriting for advertising is expanding to include content writing and marketing writing. Therefore, the copywriter's job should be changed into a full-service business area that creates impressive content based on understanding of marketing in the process of writing ad texts. Unless copywriters write commercial messages like full-time writers and forget about being in a straightforward posture, they are countered by readers who know much more about the issues in the content because they are published online publicly. This research shows how to deVelop persuasiVe content writing skills to reach modern consumers who avoid advertising.
유전 알고리즘을 이용한 전력계통 안정화 장치에 관한 연구
정현환,왕용필,김상효,한영호 東亞大學校 1996 東亞論叢 Vol.33 No.-
In this paper, it is suggested that the method select optimal appropriate parameter using RVGA and RVEGA of power system stabilizer with strength in low frequency oscillation for power system stability. We selected optimal parameter in case of power system stabilizer with both one lead compensator and two lead compensator, in each case, too. Also, we considered the dynamic characteristic and the system eigenvalue in the normal load, proved usefulness of RVEGA to compare of Yu's compensator design theory. The obtained results are summarized as follows. (1) We could know that the optimal parameter selection of power system stabilizer using RVEGA is effective. (2) Proposed RVEGA represented more excellent distribution of fitness and average fitness than RVGA, could remove early convergence in the problem of existing GA. Specially, we could know the good efficiency in the case of multi-variable. (3) In case of normal load, the dynamic characteristic and the eigenvalue represented more excellent in the case of using RVEGA than Yu's method (4) We could know which the optimal parameter selection using RVEGA contribute to power system stability.