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여성 요실금에서 Kontinence™와 Compact Elite™의 치료효과 비교
양상국,정상원,오미희,노용수,김홍섭,우응제,박승훈,이수열 건국대학교 의과학연구소 1999 건국의과학학술지 Vol.9 No.-
Biofeedback and pelvic floor electrical stimulation are new modalities that have been advocated for the treatment of female urinary incontinence. The aim of this study was to compare prospectively the therapeutic effect of Kontinence™(HMT Co., Korea) with Compact Elite™(ECL Co., France) in female urinary incontinence. All patients were evaluated with a complete history, physical examination, urinalysis, urine culture and urodynamic study. Eighteen patients were treated with Compact Elite™, and thirteen patients with Kontinence™. Enrolled patients had completed 8 office sessions consisting of biofeedback and intravaginal electrical stimulation according to the program of each machines. Overall treatment response was graded by patients on a scale of complete cure to aggravation. At two weeks after last session, overall improvement rate was 78% in Compact Elite™group and 92% in Kontinence™group(p>0.05). Overall patients' acceptability during treatment course was greater than 80% in both machines(p>0.05). There were no unexpected clinical findings during Kontinence™ treatment. After Kontinence™treatment, there were no laboratory changes including electrocardiography, complete blood count, liver function profile, and chest PA. These results showed that the biofeedback and electrical stimulation with Kontinence™was safe and moderately effective for female urinary incontinence comparable to Compact Elite™. However, long-term results of a larger patients are needed to ensure the therapeutic effect of Kontinence™.
광기능성 폴리머의 소산장 결합을 이용한 측면연마 광섬유형 자외선 센서
김상우,서규원,윤종국,장수원,유윤식,이승하,강신원 한국센서학회 2002 센서학회지 Vol.11 No.6
측면연마된 광섬유와 광기능성 색소가 분산된 평면도파로 결합기를 이용한 새로운 형태의 자외선센서를 제작하여 그 특성을 측정하였다. 자외선 조사에 의해 유효굴절률이 변화하는 광변색성 색소가 분산된 폴리머를 평면 도파로 재료로 사용하였다. 박막 광도파로는 광변색성 색소인 스파이록사진을 사용하였다. 자외선 조사시간을 20초, 30초, 40초로 증가시켰을 경우 센서의 파장응답은 1.44nm/mW, 1.64nm/mW, 1.78nm/mW였고 1550nm 파장에서 센서의 90% 복귀시간은 100초로 나타났다. In this paper, we investigated a novel UV sensor using evanescent field coupling between the side polished fiber and photo-functional polymer waveguide. It was found that resonant wavelength shifts occur due to variation in the refractive index of polymer planar waveguide for its photo-functional properties on exposed UV. Spiroxazine (photochromic dye) was used as the planar waveguide. The resonant wavelength response were exhibited at 1.44 nm/mW, 1.64 nm/mW, and 1.78 nm/mW when UV irradiations were exposed for 20 seconds, 30 seconds, and 40 seconds, respectively. The recovery time of sensor was independent of UV exposure power and 90% recovery time was 100 seconds.
과학계발활동 프로그램 적용이 과학성적 우수아의 과학 탐구 능력에 미치는 효과
이승택,김진국,정재구,정진우 한국초등과학교육학회 2005 초등과학교육 Vol.24 No.1
이 연구는 초등학교 과학 성적 우수아를 대상으로 과학계발활동 프로그램의 구성 및 적용이 과학탐구능력에 미치는 효과를 분석하였다. 분석결과, 과학계발활동 프로그램을 적용한 학생들은 적용하지 않은 학생들에 비하여 관찰, 측정, 자료해석, 가설 설정, 변인통제의 과학탐구요소가 더 신장된 것으로 나타났다. 따라서 과학계발활동의 운영은 과학탐구능력의 신장에 효과를 기대할 수 있으므로 교육현장에서 과학교육을 보다 다양하고 수준별로 운영할 수 있는 프로그램의 개발 및 적용 방안을 모색할 필요가 있다. This study organized a Science Improvement Activity Program designed for the excellent students in science in 5th and 6th grades. After application the effect of the program on science process skills was analyzed. The Science Improvement Activity Program was applied to the experimental group as a club activity after school during the semester. The results of this study were as follows: First, the students participated in the Science Improvement Activity showed an increase in the science process skills compared with those who didn't. Second, it was found that the students to whom the Science Improvement Activity Program was applied have improved in enhancing their science process elements of observation, measurement, data analysis, forming hypotheses, and controlling variables. It is expected that the development of activity programs and their active application should be done in order for schools to provide science education according to each student's capacity from various angles.
시상면 병행에 근거한 신개념의 하악상행지 시상분할 골절단술
백진아,이국엽,오향락,고승오,진우정 大韓顎顔面成形再建外科學會 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.6
Sagittal split osteotomy (SSRO) is an indispensable and most popular operation for correction of mandibular deformity. The procedure was considered of bony contact surface and nerve injury in the early stage. The procedure has undergone continuous surgical modifications for condylar displacement, relapse, psychologic analysis, functional & esthetic improvement, fixation method and postoperative evaluation of soft tissue change over time. In this article, we compared the contemporary operation method with new method which was designed through ramal computed tomography. Now we are going to introduce novel conceptual SSRO namely CNU-SSRO designed by Chonbuk National University and suggest the standardization of pre-existed SSRO.
하악지 시상분할 골절단술, 하악지 수직 골절단술, 하악지 기역자 골절단술 악교정술의 비교연구
백진아,이국엽,양명철,고승오,진우정 大韓顎顔面成形再建外科學會 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.6
The orthognathic surgery for esthetic and functional improvement has developed for 150 years. Today, we can expect the better prognosis which is based on the early trial & error and advanced analysis technique. However, conservatism which advocates upholding of traditions and passive changes has been obstacle to scientific modernization as a contemporary co-worker. IVRI, ILRO, IVSRO, IVRO-SSRO, SSRO have been used to orthognathic surgery variously. In this article, we are going to compare IVRO, ILO with SSRO and advocate superiority of SSRO.
金成俊,朴承禹,張秉郁,權純國,鄭夏禹 서울大學校 農科大學 1986 서울대농학연구지 Vol.11 No.1
In this study, a daily water balance model for effective rainfall in paddy fields is descrived, and compares the results with field data. The model was used to simulate seasonal effective rainfall for ideal plots with different irrigation scheduling. The followings are a summary of this study results: 1. Effective rainfall during irrigation season of paddy fields in 1985 ranged from 172.3mm at 4cm ridge to 206.7mm at 6cm ridge. They were 63.1% and 75.7% of total precipitation during that span, respectively. The water balance model simulated that 60.5% and 69.5% precipitation may be considered to be effective rainfall. 2. Daily rainfall appears to be important to the ratios of effective rainfall to the total. 3. Measured and estimated effective rainfall had a high correlation. R=0.9805
Seung-Kuk Seo,Jae-Seung Roh,Eung-Seon Kim,Se-Hwan Chi,Suk-Hwan Kim,Sang-Woo Lee 한국탄소학회 2009 Carbon Letters Vol.10 No.3
Thermal emissivity of commercial nuclear graphites (IG-110, PCEA, IG-430 and NBG-18) following changes in oxidation degrees were examined. Specimens were oxidized to 0%, 5%, and 10% in air flow of 5l/min at 600℃ using a furnace, and the thermal emissivities were measured using an infrared spectrum analyzer. The measuring temperatures for the thermal emissivity were 100℃, 200℃, 300℃, 400℃ 500℃. Also density and porosity of the specimens were observed to compare with thermal emissivity. Results showed that emissivity increased with oxidation, and the 10% oxidized NBG-18 showed the highest emissivity (0.890) which value is larger for 24% than the value of as-received specimen. Investigation of factors affecting the emissivity revealed that increases in the surface roughness and porosity due to oxidation were responsible for the increase in emissivity after oxidation.
A Study of Bramble-Hilbert Lemma And Its Relation To Poincare`s Inequality
( Seung Woo Kuk ) 한국산업응용수학회(구 한국산업정보응용수학회) 2007 한국산업정보응용수학회 Vol.11 No.2
This paper is concerned with the proof of so-called Bramble-Hilbert Lemma. We present that Poincare`s inequality in [3] implies one of results of Morrey which is crucial in the proof. In this point of view, we recognize that removing the average term in Poincare`s inequality fulfills a crucial role in the proof of Bramble-Hilbert Lemma. It is accomplished by adding some polynomial of degree one less than the degree of the Sobolev space in the outset. So, the condition annihilating the set of polynomials Pk-1 of degree k-1 is required necessarily in Bramble-Hilbert Lemma.