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이상진,박홍철,박관수,김현숙,이창민,김진원,심규원,최승운,Lee, Sang-Jin,Park, Hong-Chul,Park, Gwan-Soo,Kim, Hyoun-Sook,Lee, Chang-Min,Kim, Jin-Won,Sim, Gyu-Won,Choi, Seung-Woon 한국환경복원기술학회 2022 한국환경복원기술학회지 Vol.25 No.3
The purpose of this study is to quantitatively evaluate the amount of carbon storage for trees in forest ecosystem to support the foundation for carbon neutrality implementation in Korea National Park. It targeted 22 national parks designated and managed as national parks in Korea, and conducted research on forest trees in the terrestrial ecosystem among various natural and ecological carbon sink. The survey and analysis method followed the IPCC guidelines and the National Greenhouse Gas Inventory in Korea. The amount of tree carbon storage in the forest ecosystem of Korea National Park was confirmed to be about 218,505 thousand CO<sub>2</sub>-ton and the amount of carbon storage per unit area was 570.8 CO<sub>2</sub>-ton per hectare. Compared to 299.7 CO<sub>2</sub>-ton per hectare, the average carbon storage per unit area of the entire Korean forest, it was found that about twice as much carbon was stored when assuming the same area. In other words, it means that the tree carbon storage function of the national park is about twice as high as that of the average tree carbon storage function of entire Korean forest. It has great implications in Korea National Park not only provides biodiversity promotion and exploration services as a national protected area, but also performs excellent functions as a carbon sink.
Laparoscopic repair of parastomal and incisional hernias with a modified Sugarbaker technique
Duck Hyoun Jeong,Min Geun Park1,George Melich2,Hyuk Hur,Byung Soh Min,Seung Hyuk Baik,Nam Kyu Kim 대한외과학회 2013 Annals of Surgical Treatment and Research(ASRT) Vol.84 No.6
A parastomal hernia is the most common surgical complication following stoma formation. As the field of laparoscopic surgery advances, different laparoscopic approaches to repair of parastomal hernias have been developed. Recently, the Sugarbaker technique has been reported to have lower recurrence rates compared to keyhole techniques. As far as we know, the Sugarbaker technique has not yet been performed in Korea. We herein present a case report of perhaps the first laparoscopic parastomal hernia repair with a modified Sugarbaker technique to be successfully carried out in Korea. A 79-year-old woman, who underwent an abdominoperineal resection for an adenocarcinoma of the rectum 9 years ago, presented with a large parastomal and incisional hernias, and was treated with a laparoscopic repair with a modified Sugarbaker technique. Six months after surgery, follow-up with the patient has shown no evidence of recurrence.
남부희,박민현,김형배 강원대학교 부설 석재복합신소재 제품연구센터 2000 석재연 논문집 Vol.5 No.-
우리는 DWT를 적용하요 석ㆍ골재의 패턴 분류와 인식을 위한 테이타베이스를 구축하였다. 우선, 우리는 이미지의 각 row 벡터를 DWT를 수행하여 각 row 벡터마다 특징값을 얻는다. 그리고나서 같은 방법으로 row 벡터의 특징값을 이미지전체의 특징 값을 얻을 때가지 DWT를 반복해서 수행한다. 그런 다음 우리는 이미지의 히스트그램을 얻는다. 특징 값과 히스토그램은 이미지의 특징을 나타낸다. CCD 카메라로 새로운 이미지를 얻었을 때 우리는 먼저 특징 값과 히스트그램을 얻는 과정을 수행한다. 그 특징 값을 가지고 패턴 원형을 찾기 위해 저장된 특징 값과 비교하여 비슷한 값들을 찾아낸다. 그리고 입력 데이터의 히스트그램을 가지고 이전 과정에서 찾아낸 이미지들의 히스트그램과 비교하여 가장 유사한 패턴 원형을 찾아낸다. 이 방법은 석ㆍ골재의 자동분류를 할 수 있도록 하여 생상선 향상과 비용절감을 가능하게 한다. We built some database of stone and aggregate resources for classification and pattern recognition using DWT(discrete wavelet transform). First, we perform one dimensional DWT for each row of the image and obtain one value for each row of image. Then we perform again the same DWT for them to get a feature value. Next, we evaluate the histogram of input image data. The feature value and histogram represent the feature of image data. when an image data achieved by CCD camera, we perform same process again to get a feature value and a histogram. the feature value is compared with stored feature values to choose candidates. And then the histogram of input data is compared with some histogram value of candidates to find target image. this method can be adapted to automation of manufacturing of stone and aggregate resources for high quality low cost products.
頭鍼이 中風患者의 단기간 NIHSS와 MBI에 미치는 영향
류재춘,박인범,김상우,김철홍,서정철,윤현민,장경전,송춘호,안창범 동의대학교 한의학연구소 2002 동의한의연구 Vol.6 No.-
Objective ; The aim of this study was to investigate the effect of Scalp acupuncture on recovery of motor disorders in stroke patients. Methods ; Twenty two patients with poststroke-hemiplegia were randomized into two groups. Ten patients(test group) treated by 2 methods-Scalp acupuncture and body acupuncture. The other twelve patients(control group) treated only by body acupuncture. The activity of daily living was measured with a National Institutes of Health stroke scale(NIHSS) and Modified Barthel Index(MBI). The therapy was performed one a day for 2 weeks. Results ; In terms of score of NIHSS, the test group showed statistically meaningful decrease after 2 week treatment, but the control group showed statistically meaningful decrease after 1 week(p<0.05). And in terms of score of MBI, the test group did not show statistically meaningful increase but the control group showed statistically meaningful increase after 1 week(p<O.05). There was no statistically meaningful difference after 1 and 2 week treatment between the groups. Conclusions ; These results support that test group has almost same effectness compared with control group in improvement of the activity of daily living of poststroke-hemiplegic patients.
칼슘과 아연으로 치환된 Y0.8 Pr0.₂ Ba₂ Cu₃ O7_δ 의 전기 및 자기적 성질에 관한 연구
김성재,전인,박영민,강재필,노태호,박현진,최숙자,송승기 명지대학교 자연과학연구소 1996 자연과학논문집 Vol.14 No.-
전이온도가 72K인 고온초전도체 Y?P?B?Cu?O?에서 초전도성을 감소시키는 Pr원소자리에 Ca과 Zn를 적당히 치환시켜 자기적 성질을 연구하였다. 초전도 전이온도(Tc)는 Ca이 치환된 시료의 경우 80~85k의 범위에서 측정되었으며, Zn가 치환된 경우에는 35~49K의 값을 보였다. 비저항의 온도 변화로부터 결정된 전기적 전이온도는 온도에 대한 자기모우먼트으 변화에서 구한 자기적 전이온도와 비슷한 값을 보였다. 자기이력곡선으로부터 Bean의 모델을 이용하여 Hcl(저임계자기장), Hc?(고임계자기장), 반자성정도, 임계전류밀도를 측정하였다. 이러한 성질들은 시료 내에 Ca의 치환량이 많아질수록 증가하였으며, Zn가 많아질수록 급격히 감소하였다. 특히 임계전류밀도는 x=0.0인 시료는 1.60x10?A/㎠이었으며 Ca이 치환된 시료는 1.30~1.98x10? A/㎠, Zn가 첨가된 시료는 3.5x10?~1.3x10?A/㎠의 값으로 계산되었다. 이것은 시료 내에서 Ca은 초전도성을 증가시키고, Zn는 초전도성을 감소시키는 것을 의미한다. We have studied magnetic properties as a appropriate substitute of Ca and Zn element for Prelement which reduces superconducting properties in the high-temperature superconductor Y?Pr?Ba?Cu?O? of transition temperature 72K. When Ca is put into, the critical temperature(Tc)showed the value of measurement at the range of 80~85K while for Zn the Tc had the range of 35~49K. The electric critical temperature determined by the temperature dependence of resistivity had a similar data to the magnetic field), Hc?(high critical magnetic field), diamagnetic ratio and critical current density have observed by Bean's model from the magnetic hysterisis curve. These properties were increased with adding Ca and abruptly decreased with adding Zn in the samples. Especially, the critical current density of x=0.0 sample was calculated at 1.60x10?A/㎠ and those of the other Ca-added samples at the range of 1.30~1.98xA/㎠and those of Zn-added samples at the range of 3.50x10?~1.30x10?A/㎠. These mean that Ca increases supercondecting properties in the sample and Zn element decreases them.
이채우,조태성,박인범,김상우,안창범,송춘호,윤현민,장경전 대한침구학회 2003 대한침구의학회지 Vol.20 No.2
Objective : The purpose of this study was to evidence the effect of Dong-Shi Acupuncture by improving degree of forty four patients who have received a Dong-Shi Acupuncture therapy at Dong Eui oriental hospital OPD and chiefly complained for neck pain and related symptoms. Materials and Methods: Forty four patients were diagnosed with physical inspection and readiography, and investigated into the effect of treatment sharing before treatment and after 2 weeks and 4 weeks treatment by Dr. Kim's method. Results and Conclusions: The conclusion of this study was that improving degree of forty four patients who have received a Dong-Shi acupuncture therapy for all items and excellence of the Dong-Shi Acupuncture was evidenced.