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Park, Se Jin,Jeon, Hyo Sang,Cho, Jin Woo,Hwang, Yun Jeong,Park, Kyung Su,Shim, Hyeong Seop,Song, Jae Kyu,Cho, Yunae,Kim, Dong-Wook,Kim, Jihyun,Min, Byoung Koun American Chemical Society 2015 ACS APPLIED MATERIALS & INTERFACES Vol.7 No.49
<P>Significant enhancement of solution-processed CuInxGa1-x(Se,S)(2) (CIGSSe) thin-film solar cell performance was achieved by inducing a band gap gradient in the film thickness, which was triggered by the chalcogenization process. Specifically, after the preparation of an amorphous mixed oxide film of Cu, In, and Ga by a simple paste coating method chalcogenization under Se vapor, along with the flow of dilute H2S gas, resulted in the formation of CIGSSe films with graded composition distribution: S-rich top, In- and Se-rich middle, and Ga- and S-rich bottom. This uneven compositional distribution was confirmed to lead to a band gap gradient in the film, which may also be responsible for enhancement in the open circuit voltage and reduction in photocurrent loss, thus increasing the overall efficiency. The highest power conversion efficiency of 11.7% was achieved with J(sc) of 28.3 mA/cm(2), V-oc of 601 mV, and FF of 68.6%.</P>
재발 또는 불응성 비호즈킨 림프종 환자에서 CDME 구제항암화학요법 후 고용량 항암화학요법 및 자가말초혈액 조혈모세포이식의 효과
김세형,한강원,배상병,김찬규,이남수,이규택,박성규,원종호,홍대식,박희숙 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.1
Background and objectives : The long-term survival in patients with non-Hodgkin's lymphoma (NHL) after conventional dose chemotherapy is about 35% and the rest of the patients tend to have relapse. So, in relapsed or refractory NHL, we compared the outcome of patients undergoing high-dose chemotherapy with autologous peripheral blood stem cell transplantation(APBSCT) with only salvage chemotherapy of cisplatin, dexamethasone, mitoxantrone, and etoposide(CDME). Materials and methods : From June 1993 to December 1999, 25 patients with relapsed or resistant NHL were treated with CDME regimen as salvage chemotherapy. Twelve patients were received four cycles of CDME chemotherapy, and 13 patients were received high-dose chemotherapy with APBSCT following two cycles of CDME chemotherapy. Results : The median follow-up duration was 12.8 months(range:4-68). The overall response rate was 41.7% (complete response rate 25%, partial response rate 16.7%) in 12 patients with CDME only. Thirteen patients who were treated with high-dose chemotherapy with APBSCT achieved 61.5% complete response rate and 15.4% partial response rate, with an overall response rate of 76.9%. The estimated 3-year progression-free survival rate was significantly higher among patients who received high-dose therapy than patients who received CDME only(41.5% vs 20.0%, p<0.05). And, 3-year overall survival rate was significantly higher among patients who received high-dose therapy(51.3% vs 25.0%, p <0.05). Conclusions : In relapsed or refractory NHL, CDME chemotherapy is an effective salvage chemotherapy and allow peripheral blood stem cell collection. Also, high-dose chemotherapy with APBSCT following CDME is superior to CDME salvage chemotherapy only.
록인 증폭기에 의한 L(C,R) 회로 공진점 결정의 한 방법
정세민,홍진태,최규황,노지현 東亞大學校 附設 基礎科學硏究所 1994 基礎科學硏究論文集 Vol.11 No.1
L(C,R)회로의 공진점을 결정하기 위해 록인 증폭기에 의한 sequential spectrum analysis(SSA)법을 적용해 보았다. 시료는 변압기였으며, 단일 소인방식과 왕복 소인방식을 비교해 보았다. 또한 실험 결과의 신뢰도를 확인해보기 위해 실험결과를 변압기의 제작사 자료와 Q 미터(HP,4277A USA)에 의한 측정 결과와 비교하였다. 제작사 자료에 의하면 시료의 공진점은 두 권선의 각각은 5kHz(10kHz/2)였으나, 왕복소인에 의한 측정에서 시료의 공진점은 5.1kHz, 실험 결과로부터 계산된 Q 값은 4.3으로 주어졌고, 단일 소인법에 의해서는 공진점이 5.78KHz로 주어졌으며, Q 미터에 의한 Q 값은 4.9(9.8/2)였다. 실험 결과들과 기준 Q 미터에 의한 측정결과를 비교해본 결과, 양방향 소인법이 단일 방향소인법 보다 더 신뢰할 수 있음을 알 수 있었으며, SSA법에 의한 측정이 기존의 상용 전문기기에 의한 측정에 못지 않음과 전문기기의 측정 하한 문제를 극복하는 좋은 대안이 될 수 있음을 알 수 있었다. An accurate method named the sequential spectrum analysis(SSA) using a lock-in amplifier(LIA) of the heterodyne type was investigated to determine the resonance frequency of a LC(C,R) circuit : A heavy winding transformer was used as an inductor in the circuit. In this experiment, two types of the sweep method-one way and round trip method were examined. The resonance frequency of each method were compared with the manufacturer's data and those by the reference Q meter(HP,4277A, USA)for the experimental confidence: Measured resonance frequency by the round-trip method was 5.1 kHz, Q value at this frequency was about 4.3, while those by the single-sweep method were given by 5.78 kHz for the resonance frequency, 2.3 for the Q. On the other hand, the resonance frequency of manufacturer's data was 5 kHz and Q value by the reference Q meter was 4.9(9.8/2)at that frequency. From the comparison, it might be concluded that the SSA by the round-trip method was more reliable and accurate than the one-way method and relatively inexpensive, good alternative with respect to the professional instrument.
임세원,김진세,정인과,박민규,이대희 大韓神經精神醫學會 1999 신경정신의학 Vol.38 No.3
Meige 증후군은 안검경련과 구-하악부의 근긴장이상을 특징적으로 보이는 신경학적 임상증후군이다. 발병원인은 아직 불분명하나 아세틸콜린과 도파민의 신경활성과다(excess neuronal activity)가 원인으로 여겨지고 있으며, 치료로는 향도파민성약물과 항콜린성약물, 그리고 보튤리듐독소 주사가 이용되고 있다. 그러나 증상양상이 다양하며 심리적 영향을 받으므로 전환장애 혹은 불안장애 등의 정신과적 문제로 오진되는 경우가 있다. 저자들은 49세 여자로 초기에 전환장애로 진단되었으나 Meige 증후군임이 밝혀져 성공적으로 치료되었던 환자 1례를 경험하여 문헌고찰과 함께 보고한다. A Meige's syndrome is a rare neurological syndrome characterized by blepharospam and oro-mandibular dystonia. Its pathophysiology is not clearly determined yet, but the hypothesis of dopaminergic and cholinergic hyperactivity is most widely accepted. Anticholinergic drugs, antidopaminergic drugs and botulism toxin injection are currently used for the treatment of Meige's syndrome. The Meige's syndrome could be misdiagnosed as a psychiatric disorder such as conversion disorder or anxiety disorder, because clinical features of the Meige's syndrome are very variable and affected by psychological factors. The authors experienced one case of a 49-year-old female patient who was initially misdiagnosed as conversion disorder but confirmed later as Meige's syndrome, and then successfully treated.
심폐소생술후 혼수상태의 환자에서 체성감각유발전위의 예후 예측인자로서의 유용도
최세민,오동렬,최승필,박규남,김세경 대한응급의학회 2000 대한응급의학회지 Vol.11 No.4
Background: The improved technique for cardiopulmonary resuscitation(CPR) has resulted in the survival of many patients who experienced cardiac arrest. However, mortality in resuscitated patients is high, and the survival rate without brain damage is very low. Various neurological examination models, neuro-imaging techniques, electrophysiological procedures, and biochemical tests have been studied with respect to the detection of cerebral damage and outcome, but an early, reliable prediction of individual outcomes is still uncertain. Methods: We studied twenty patients who had been in a coma for more than 24 hours after CPR, Somatosensory evoked potentials(SEP) were measured within the first three days after CPR. Results: Of the twenty patients, seven patients(35%) had a good outcome, and thirteen patients(65%) had a bad outcome. Of the eleven patients with loss of the cortical evoked potential's N2O peak, all had a bad outcome. Conclusion: SEPs are of great benefit in prognostic evaluation after CPR.
줄넘기 運動의 有ㆍ無酸素的 運動强度 역치수준 設定을 위한 硏究
盧成圭,윤재원,김두경,하명수,장세원,윤중현 江原大學校附設體育科學硏究所 1987 江原大學校附設體育科學硏究所論文集 Vol.- No.12
The purpose of this study was the level of Aerobic-Anaerobic exercise intensity according to Rope skipping frequency by the skipping type at different age group(Middle, Junior high school and collegean). Types of Rope skipping(Jump, Leap and Double jump) with 100 rounds per min(5min), 120 rounds per min (5min) and max round frequency were tested by 120 volunteer untrained men and women students (forty middle school, forty high school and forty collegean) form Oct. 10. 1987 to No V.5. 1987. The results are showed at the skip intensity of 120 rounds per min. was higher than that of 100 rounds per min. at all skipping types, and men students showed less HR than women students. From the testing result, Double Jump was Considered as Anaerobic Exercise, Tean Jump was determined the strongest Aerobic exercise, and Jump or Leap were moderate Aerobic exercise. Recommending round frequency per min from multiple regression were follows. ----------------------------------------------------------------------------- Type Age 15 18 21 duration Sex ----------------------------------------------------------------------------- Jump man 127☆ 147 167 5min woman 113 126 140 5min ----------------------------------------------------------------------------- D.Jump man 137 169 211 2min woman 126 155 183 2min _____________________________________________________________________________ ☆ Round numbers per min
Dylan Thomas의 詩的 에너지 : 죽음의 극복을 주제로
李世珪 檀國大學校英美文化硏究所 1983 英美文化 Vol.2 No.-
Pound once said: "Great literature is simply language charged with meaning to the utmost possible degree". Pound's concise description reflects not only upon the achievements of the past but upon experiments undertaken in the present century. Pound's is susceptible of various interpretations depending upon where one directs the falling stress. Perhaps it is true to say that most modern experimental poets have been preoccupied with the charge of language, the energy with which meaning conveyed. The aesthetic problem sleeping in Pound's statement can give access to the poetry of Dylan Thomas. This paper aims to examine the contasted aspect of energy revealed in the earlier poetry with the later's of Dylan Thomas. dylan Thomas once descried his poetry as a record of passing from darkness into some measure of light. This represents a indication that he aims to quest for poetic identity by means of the poetry; he gropes for it in a round about way through the process of overcoming death. In the earlier poetry, he attempts to come to terms with death on the basis of "the principle of Process," identifying death with life. As a result, a single force which is creative and destructive as the same time unifies the poet with the natural environment. Therefore, the earlier poetry can be said to register the regularity of destructive and creative force; pulsation, systole and diastole, inhalation and exhalation. but in the later poetry, he tries to come to terms with death through the energetic love and belief; love and belief becomes agents subduing the conflict between poetic vision and realistic awareness. This is the reason why poetic energy becomes condensed on the image of love and belief; why it becomes visible as suddenly as an open artery.