http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
윤용철(Yong Cheol Yoon),신익수(Yik Soo Shin),김현태(Hyeon Tae Kim),배승범(Seoung Beom Bae),최진식(Jin Sik Choi),서원명(Won Myung Suh) (사)한국생물환경조절학회 2012 생물환경조절학회지 Vol.21 No.2
본 연구는 온실의 난방 에너지 절감을 목적으로 온실 내부에 알루미늄 온수배관을 설치하여 난방효과에 대한 기초자료를 구축하고자 수행되었다. 그 연구결과를 요약하면 다음과 같다. 전체 실험을 포함하여 온실내의 높이별 온도편차는 4.0~7.0℃ 정도의 범위로서 그 차이가 크게 나타났다. 팬코일유니트(FCU)를 작동시킨 경우가 작동시키지 않은 경우에 비해 유출입수의 온도차가 3.3℃ 정도 크고, 소비전력량은 36.2~40.1% 정도 증가하였으며, 시간당 방열량은 44.6~52.0% 정도 증가하는 것으로 나타났다. 실험기간동안 순환유량은 0.48~0.49L · s<SUP>?1</SUP> 정도의 범위에 있었고, 평균유속은 1.53~1.56m · s<SUP>?1</SUP> 정도였다. 유출입수의 평균 온도차는 6.24~11.50℃이었다. 최저 외기온 ?14.0~?0.6℃ 범위에서 설정온도별 방열량은 135,930~307,150㎉ 정도의 범위로서 시간당 9,610~19,630㎉ · h<SUP>?1</SUP> 정도의 범위에 있었다. 이것은 최대난방부하의 약 23~53% 정도의 난방에너지를 공급할 수 있을 것으로 나타났다. 전체 방열량과 소비전력량은 각각 2,548,306㎉ 및 3,075.7㎾h이다. 화석연료인 경유로 난방할 경우, 소요되는 경유의 총 소비량은 281.6L 정도이고 비용은 321,000won인 것으로 나타났다. 농가용 전력요금을 적용하면 전력사용에 대한 총비용은 110,730won 정도로서 경유 소비 비용의 33.5% 정도로 나타났다. 실험구의 온도가 대조구보다 약 8.3~14.6℃ 정도 높게 나타났다. This research was conducted to obtain basic data with regard to the heating performance that would be produced by installing an aluminum hot water pipe inside the greenhouse with the goal of reducing the heating energy in greenhouse. The research results are summarized as follows. The degree of difference in relation to the temperature by height within the greenhouse during the entire experiment was significant - within the range of 4.0~7.0℃. The temperature difference between incoming and outgoing water was about 3.3℃ greater when FCU was activated compared to when it was not activated. Meanwhile, the amount of energy consumed increased about 36.2~40.1%. The amount of pyrexia per hour also increased by 44.6~52.0%. During the experiment period, circulated flux was within the range of 0.48~0.49 L · s<SUP>?1</SUP> while average fluid speed was 1.53~1.56 m · s<SUP>?1</SUP>. The average temperature difference between incoming and outgoing water was 6.24~11.50℃. The amount of heating value by each set temperature within the minimum outdoor temperature range of ?14.0~?0.6℃ was 135,930~307,150 ㎉, and the range was within the 9,610~19,630 ㎉ · h<SUP>?1</SUP> per hour. This demonstrated that about 23~53% heating energy of the maximum heating load could be supplied. Total radiating value and amount of energy consumed were 2,548,306 ㎉ and 3,075.7 ㎾h, respectively. When heating takes place using oil, which is a fossil fuel, the total amount of light oil consumed was 281.6 L while the cost was 321,000 won. When the electricity cost for farms is applied, the total cost was about 110,730 won, which is about 33.5% of the cost required compared to oil consumption. The temperature at in the experiment area was about 8.3~14.6℃ higher compared to that of the control area.
Bae, Sang-Kyun,Kang, Won-Sik,Yoo, Seung-Hoon,Cho, Jeong-Hyeon,Park, Kyung-Won,Lee, Bu-Hyun,Baek, Jung-Hun,Chung, Jae-Ho Yeungnam University College of Medicine 2012 Yeungnam University Journal of Medicine Vol.29 No.1
Osteochondroma is a common bone tumor but a rare tumor in the rib. It is often asymptomatic and observed incidentally. This is a case report of a 49-year-old woman with an osteochondroma mimicking a mediastinal mass in hereditary multiple exostoses. The chest X-ray and computed tomography (CT) scans revealed the bony density feature of the mass. Surgical excision confirmed that the lesion was an osteochondroma.
( Won Bae ),( Jaeyoung Cho ),( Jinwoo Lee ),( Young Sik Park ),( Chang-hoon Lee ),( Sang-min Lee ),( Jae-joon Yim ),( Chul-gyu Yoo ),( Young Whan Kim ),( Sung Koo Han ),( Sun Mi Choi ) 대한결핵 및 호흡기학회 2018 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.126 No.-
Background: There were few studies that investigated the differences in incidence of anxiety and depression according to individual diseases constituting ILD. We evaluated the differences in the incidence of anxiety and depression between idiopathic pulmonary fibrosis (IPF) and non-IPF ILD, and the changes to it at one year follow-up. Methods: Patients included those in the prospective ILD cohort of Seoul National University Hospital between March 2013 and August 2018. The Hospital Anxiety and Depression Scale (HADS) questionnaire was used to assess patients’ anxiety and depression. Results: There were 224 patients with ILD. The patients with IPF numbered 154 (68.8%), while those with non-IPF ILD numbered 70 (31.2%). Totally, 111 patients completed a follow-up HADS questionnaire one year later (77 in the IPF group, 34 in the non-IPF group). In the IPF group, 20.8% (32/154) and 27.3% (21/77) (p=0.347) of patients suffered from anxiety and 29.9% (46/154) and 31.2% (24/77) (p=0.957) suffered from depression at baseline and one year follow-up, respectively. In the non-IPF group, 14.3% (10/70) and 23.5% (8/34) (p=0.372) of patients suffered from anxiety and 24.3% (17/70) and 17.6% (6/34) (p=0.608) suffered from depression at baseline and one year follow-up, respectively. Conclusion: The proportion of patients with anxiety and depression at baseline and one year follow-up was not significantly different between the two groups. At one year follow-up, the proportion of those with anxiety and depression increased among the IPF patients but it was not statistically significant.
Ceramic-on-Ceramic Total Hip Arthroplasty: Minimum of Six-Year Follow-up Study
Won Sik Choy,김갑중,이상기,Kyoung Wan Bae,Yoon-Sub Hwang,Chang Kyu Park 대한정형외과학회 2013 Clinics in Orthopedic Surgery Vol.5 No.3
Background: This study examines the clinical and radiologic results of ceramic-on-ceramic total hip arthroplasties with regard towear, osteolysis, and fracture of the ceramic after a minimum follow-up of six years. Methods: We evaluated the results of a consecutive series of 148 primary ceramic-on-ceramic total hip arthroplasties that hadbeen performed between May 2001 and October 2005 in 142 patients. The mean age was 57.2 years (range, 23 to 81 years). Themean follow-up period was 7.8 years (range, 6.1 to 10.1 years). Preoperative diagnosis was avascular necrosis in 77 hips (52%),degenerative arthritis in 36 hips (24.3%), femur neck fracture in 18 hips (12.2%), rheumatoid arthritis in 15 hips (10.1%), and septichip sequelae in 2 hips (1.4%). Clinical results were evaluated with the Harris hip score, and the presence of postoperative groinor thigh pain. Radiologic analysis was done with special attention in terms of wear, periprosthetic osteolysis, and ceramic failures. Results: The mean Harris hip score improved from 58.3 (range, 10 to 73) to 92.5 (range, 79 to 100) on the latest follow-up evaluation. At final follow-up, groin pain was found in 4 hips (2.7%), and thigh pain was found in 6 hips (4.1%). Radiologically, all femoralstems demonstrated stable fixations without loosening. Radiolucent lines were observed around the stem in 25 hips (16.9%), andaround the cup in 4 hips (2.7%). Endosteal new bone formation was observed around the stem in 95 hips (64.2%) and around thecup in 88 hips (59.5%). No osteolysis was observed around the stem and cup. There were 2 hips (1.4%) of inclination changes ofacetabular cup, 2 hips (1.4%) of hip dislocation, 1 hip (0.7%) of ceramic head fracture, and 1 hip (0.7%) of squeaking. The Kaplan-Meier survival rate of the prostheses was 98.1% at postoperative 7.8 years. Conclusions: The ceramic-on-ceramic total hip arthroplasty produced excellent clinical results and implant survival rates with nodetectable osteolysis on a minimum six-year follow-up study. The ceramic-on-ceramic couplings could be a reasonable option ofprimary total hip arthroplasty for variable indications.
Anticoagulant activities of oleanolic acid via inhibition of tissue factor expressions
( Won Hwa Lee ),( Eun Ju Yang ),( Sae Kwang Ku ),( Kyung Sik Song ),( Jong Sup Bae ) 생화학분자생물학회(구 한국생화학분자생물학회) 2012 BMB Reports Vol.45 No.7
Oleanolic acid (OA), a triterpenoid known for its anti-inflammatory and anti-cancer properties, is commonly present in several medicinal plants but its anticoagulant activities have not been studied. Here, the anticoagulant properties of OA were determined by monitoring activated partial thromboplastin time (aPTT), prothrombin time (PT), fibrin polymerization as well as cell-based thrombin and activated factor X (FXa) generation activities. Data showed OA prolonged aPTT and PT significantly and inhibited thrombin catalyzed fibrin polymerization. In addition, OA inhibited the activities of thrombin and FXa and inhibited the generation of thrombin or FXa in human endothelial cells. OA also inhibited TNF-α-induced tissue factor expression on human endothelial cells. In accordance with these anticoagulant activities, OA showed an anticoagulant effect in vivo. These results indicate that OA possesses antithrombotic activities and suggest that daily consumption of a herb containing OA may be preventing thrombosis in pathological states. [BMB Reports 2012; 45(7): 390-395]
Synthesis and Characterization of Nanosized ITO Powders by Glycothermal Processing
Bae, Dong Sik,Kim, Hye Kyoung,Kim, Rak Hee,Kim, Jae Won,Lee, Je Hyun,Park, Sang Whan,Han, Kyong Sop Trans Tech Publications, Ltd. 2005 Materials science forum Vol.486 No.-
<P>Nanosized ITO(indium tin oxide) powders were prepared in ethylene glycol solution under mild temperature and pressure conditions by precipitation from metal nitrates with aqueous potassium hydroxide. The average size and distribution of the synthesized ITO powders were about 20 ㎚ and broad, respectively. The phase of synthesized particles was crystalline reacted at 230 0C for 6 h.. The optical properties of the synthesized ITO powders were transparent.</P>
( Won-sik Bae ) 대한물리의학회 2021 대한물리의학회지 Vol.16 No.3
PURPOSE: The purpose of this study was to apply dynamic neuromuscular stabilization (DNS) to subjects with forward head posture (FHP) and to compare its effects on respiratory function as against the conventional neck stabilization exercise and neck stretching and extensor strengthening exercises. METHODS: The whole-body posture measurement system was used to measure the degree of FHP, and a spirometer and a respiratory gas analyzer were used to measure the respiratory function. After the intervention was completed, the changes over time were analyzed in the DNS group, the neck stabilization exercise group, and the neck stretching and extensor strengthening exercise group. The inter-group difference in the changes was also analyzed. A repeated ANOVA was performed to compare the respiratory function according to the period between the three groups, and the least significant difference (LSD) method was used for the post hoc test. RESULTS: After the 6-week exercise period, respiratory functions, such as forced vital capacity (FVC), forced expiratory volume for 1 second (FEV1), forced expiratory volume for 1 sec/forced vital capacity (FEV1/FVC), maximum oxygen intake (VO₂max), and the volume of expired gas (VE), significantly improved according to the period (p < .05), but no inter-group differences were found. CONCLUSION: DNS is an effective training method, and can be applied along with neck stabilization exercise and neck stretching and extensor strengthening exercises, which are widely used in clinical practice, to people with FHP who cannot directly perform neck exercises to improve their respiratory function.