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[논문]토사터널 굴착시 발생하는 구조물의 부등침하 억제용 마이크로파일의 효과에 관한 연구
박진우,권정근,임종철 釜山大學校生産技術硏究所 2007 生産技術硏究所論文集 Vol.66 No.-
도심지에서 건설되는 각종 터널 시공시 현장여건 동 그 특수성에 따라 지중 및 지상에 존재하는 각종 인접구조물에 대한 안정성 확보가 필수적인 요건으로 대두되고 있다. 따라서 이같은 문제를 극복하면서 깊은 기초로서의 역학적 특성을 가지며, 현장의 적용성 및 시공성/ 경제성 등 여러 가지 장점을 가진 마이크로파일을 적용함에 있어서,선행연구에서 규명되어진 역학적 특성을 통해 파일의 적절한 보강형식과 현장의 적용성 및 보강의 효율성을 높이기 위한 수치해석을 실시하고/ 터널 인접구조물의 부등침하 안정검토 해석결과와 현장여건을 고려한 마이크로파일의 보강각도와 길이에 대한 효율적인 보강대책을 제시 하고자 한다.
지체장애인의 컴퓨터접근을 위한 대체마우스 개발에 관한 연구
이근민,권성진 대구대학교 특수교육재활과학연구소 2004 再活科學硏究 Vol.22 No.1
본 연구의 목적은 신체 장애인들의 컴퓨터 접근을 위한 대체 마우스를 개발하는 것이다. 본 연구에서 사용된 대체 마우스의 효율성을 검증하기 위해, 4명의 피험자를 표준마우스를 사용할 수 없는 각 조건에 따라 선발하였다. 대체 마우스의 효율성을 측정하기 위해 다중 기초선 설계를 사용하였다. 실험 결과, 피험자가 표준 마우스를 사용할 때 보다 대체 마우스를 사용할 때 더 나은 수행을 보이는 것으로 나타났다. The purpose of this study was to develop an alternative mouse for the physically disabled person to access computer. In order to verify the effectiveness of the alternative mouse for this study, 4 subjects were selected according to a condition that each subject can not use conventional standard mouse. A multiple baseline design across subjects was used to determine the effectiveness of the alternative mouse. The results of the study has shown that for persons who used alternative mouse performed better compared to standard mouse.
等電點 電氣泳動에 의한 배추와 양배추 育成系統에서의 自家不和合性 關聯 glycoproteins의 比較分析
이정명,최근원,민병훈,이태진,백남권,이철우 경희대학교 부설 식량자원개발연구소 1994 硏究論文集 Vol.15 No.-
等電點 電氣泳動을 이용하여 배추의 몇 개의 5-allele 造成과 그들의 F₁에서 自家不和合性의 발현과 관련된 glycoprotein의 band 樣相을 비교 분석한 결과는 다음과 같다. 1. 배추의 內婚系와 이들 간의 에서 柱頭內 glycoprotein의 band pattern을 分析한 결과 兩親의 band pattern이 F₁으로 그대로 遺傳되므로 써 명확한 同定 및 區分이 가능하였다. 2. 공시된 배추의 계통 중에서 8개의 等電點을 발견하였는데 대부분의 系統에서 pl 7.0 또는 8.6에서 major band를 보이고 있었다. 따라서 major band만으로는 S-allele genotype의 명확한 동정이 불가능한 경우도 상당히 있었다. 3. 상기 bands (pI 6.8 and 7.7)에서의 glycoprotein의 分子量은 pI 7.0에서 49,000-50,000이었고 pI 8.6에서 59,000으로 推定되었다. 4. 양배추는 배추에 비해서 glycoprotein의 major bands와 minor bands수가 많고 매우 다양하게 나타나므로써 S-allele 동정이 배추보다 매우 용이할 것임을 보여 주었다. Band patterns of glycoproteins associated with the expression of self-incompatibility were examined in the stigmatic extracts of self-incompatible Chinese cabbage inbred lines and the hybrids. Clear relationship in the band pattern could be confirmed in the parents and their hybrid, indicating the inheritance of S-alleles to the progeny. Total of 8 isoelectric points were indentified in the inbreds, with the major bands at pI 7.0 and 8.6. Thereforne, in some genotypes, identification of cultivars or S-allele genotypes were impossible with the major bands only. The molecular weights of the glycoproteins were estimated to be 49,000-50,000 for pI 7.0 and 59,000 for pI 8.6 bands. The stigmatic extracts from cabbages showed numerous major and minor bands so that identification of S-allele genotype will be much easier as compared to chinese cabbage.
Escherichia coli 패혈증 환자에 합병된 대칭적 하지 말단 괴사증 1예
남해성,유진홍,권순석,민준기,조현선,박민경,심병주,남유정,이지인,김진수,길욱현,조근종,신완식 대한감염학회 2005 감염과 화학요법 Vol.37 No.6
We have encountered a rare case of symmetrical peripheral gangrene complicating Escherichia coli sepsis in a 47-years-old male. He was successfully treated with antibiotics, anticoagulants, and vasodilator. To our knowledge, this is the first report on symmetrical peripheral gangrene complicating E. coli sepsis in Korea.
Patient-specific surgical options for breast cancer-related lymphedema: technical tips
Kwon, Jin Geun,Hong, Dae Won,Suh, Hyunsuk Peter,Pak, Changsik John,Hong, Joon Pio Korean Society of Plastic and Reconstructive Surge 2021 Archives of Plastic Surgery Vol.48 No.3
In order to provide a physiological solution for patients with breast cancer-related lymphedema (BCRL), the surgeon must understand where and how the pathology of lymphedema occurred. Based on each patient's pathology, the treatment plan should be carefully decided and individualized. At the authors' institution, the treatment plan is made individually based on each patient's symptoms and relative factors. Most early-stage patients first undergo decongestive therapy and then, depending on the efficacy of the treatment, a surgical approach is suggested. If the patient is indicated for surgery, all the points of lymphatic flow obstruction are carefully examined. Thus a BCRL patient can be considered for lymphaticovenous anastomosis (LVA), a lymph node flap, scar resection, or a combination thereof. LVA targets ectatic superficial collecting lymphatics, which are located within the deep fat layer, and preoperative mapping using ultrasonography is critical. If there is contracture on the axilla, axillary scar removal is indicated to relieve the vein pressure and allow better drainage. Furthermore, removing the scars and reconstructing the fat layer will allow a better chance for the lymphatics to regenerate. After complete removal of scar tissue, a regional fat flap or a superficial circumflex iliac artery perforator flap with lymph node transfer is performed. By deciding the surgical planning for BCRL based on each patient's pathophysiology, optimal outcomes can be achieved. Depending on each patient's pathophysiology, LVA, scar removal, vascularized lymph node transfer with a sufficient adipocutaneous flap, and simultaneous breast reconstruction should be planned.
The Quality of Life after Lymphaticovenous Anastomosis in 118 Lower Limb Lymphedema Patients
Kwon Jin Geun,Kim Yeongsong,Jang Min Young,Suh Hyunsuk Peter,Pak Changsik John,Keeley Vaughan,Jeon Jae Yong,Hong Joon Pio 대한성형외과학회 2023 Archives of Plastic Surgery Vol.50 No.5
Background This is a prospective study on 118 patients who underwent lymphaticovenous anastomosis (LVA) due to secondary lower limb lymphedema between January 2018 and October 2020 to evaluate patients' quality of life (QOL) using the Quality of Life Measure for Limb Lymphedema (LYMQoL) questionnaire.Methods The outcome measurement included the LYMQoL leg scoring system tool evaluating the function, appearance, symptom, mood, and overall outcome. In addition, correlation analysis was performed for three factors: based on International Society of Lymphology (ISL) stages, disease duration, and amount of volume reduction.Results The LYMQoL tool overall satisfaction score significantly increased at all intervals from 4.4 ± 0.2 preoperative to 6.5 ± 0.3 postoperative at 12 months (p < 0.001). Significant findings were seen for each domain scores compared preoperatively and at 12 months: function score (18.6 ± 0.5 to 15.4 ± 0.6), appearance score (17.8 ± 0.5 to 16.0 ± 0.6), symptom score (11.8 ± 0.3 to 8.9 ± 0.4), and mood score (14.5 ± 0.4 to 11.4 ± 0.5; p < 0.05). The correlation analysis between improvement of the overall score and the ISL stage (p = 0.610, correlation coefficient [r] = − 0.047), disease duration (p = 0.659, r = − 0.041), and amount of limb volume reduction (p = 0.454, r = − 0.070) showed no statistical significance.Conclusion The QOL of secondary lower limb lymphedema patients was significantly improved after LVA regardless of the severity of disease, duration of disease, and amount of volume reduction after LVA. Understanding the patient-reported outcome measurement will help the surgeons to manage and guide the expectations of the patients.