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고요한 국제기독교언어문화연구원 2002 기독교언어문화논집 Vol.6 No.-
Yo Han Ko. 2003. The Problem of Juveniles Six Identity and Its Duty in Education. Collected Papers on Christian Language Culture. The biggest problem that suffering in adolescence is sexual identity's discord. Modern contorted sexual discourse makes difficult for adolescence to establish of sexual identity. Adolescence surrounded sexual marks and codes dream of sexual adventure and deviation, and they are wandering from within sexual democracy and body capitalism. Adolescence who are intoxicated of resistance the older generation and ego-centerism operate as a prosumer of sexual marker, they are also in the center of sexual discourse under these conditions. Sexual identity is the condition for whole growth as well as physical self. The absent and confusion of adolescence's sexual identity bring to destruction, ultimately it is an obstacle to their growth of whole man. What kinds of duties does our education have under such an environment? The education is not a teaching and learning for just simple memorizing and testing. Aspect of educational anthropology, the education is human being itself. In the meantime, educational anthropology have been treated to neglect being pushed in education of competition, selection and achievement, so it made all education conditions to see with the eye of education. As a result, women, sex, normal language, media culture and adolescence have been being an object of educational recognition and interests. Now, it is clear to find educational duties for adolescence who are in the center of modern confused sexual discourse. The older generation have to establish right bodily identity for themselves and race elaborately and systematically the effort toward human being which is educated, namely whole man through the integration into mental ego. For the purpose of them, first, we have to understand right characteristics of adolescence's cultural and mental, second, we have to analyze their position and function being in the center of modern contorted sexual discourse, finally we have to design procedural steps and duties for whole approach education.
질소산화물 제거를 위한 V₂O_5/TiO₂촉매 코팅된 다공성 실리카 필터의 제조 및 특성
한요섭,고재철,박영구,김승호,박재구 三陟大學校 2005 論文集 Vol.38 No.-
The prepared porous support from silica coated with TiO₂ and V₂O_(5) catalysts were studied by selective catalytic reduction of NOx with NH₃ The effects of V₂O_(5) loading, reaction temperature, space velocity and filter-type(disk and sphere) on the characteristics of NOx reduction with NH₃ were mainly investigated. At space velocity 6000h^(-1), reaction temp rature 350℃, V₂O_(5) loading 6.Owt.% and oxygen content 5%, the NOx reduction was higher to about 91%. The efficiency of porous silica on V₂O_(5)/TiO₂ catalytic disk-filter was higher than that of the V₂O_(5)/TiO₂ catalytic sphere-filter. It has been experimentally observed that the V₂O_(5)/TiO₂ catalytic disk-filter has strong resistance of gas flow.
위절제술 후 발생하는 당뇨병의 원인과 병태생리에 관한 연구
최영식,고용호,박요한 고신대학교 의학부 1996 高神大學校 醫學部 論文集 Vol.11 No.1-2
Recently several cases of diabetes were found after undergoing gastrectomy. The loss of stomach profoundly affects glucose metabolism which may lead to the development of diabetes in a certain group of patients, particularly those with diabetic risk factors such as family history. obesity, and other insulin resistance states. The purpose of this study is to investigate the changes in the plasma lipids and glucose metabolism and the risk factors of diabetes in patients who are planned to undergo gastrectomy so that it may help for the treatment and prevention of gastrectomy-related diabetes. The non-diabetic patients who admitted to Kosin Medical Center for gastrectomy were prospectively studied since March 1, 1995. They were divided into 2 groups; those with family history of diabetes, overweight, obesity, or impaired glucose tolerance on oral glucose tolerance test (OGTT) (group Ⅰ, n=5) and those without (group Ⅱ, n=5). The ability to control blood glucose was evaluated by measuring blood glucose, insulin, C-peptide and glucagon during OGTT which was performed before and 1 month after gastrectomy. Ten out of 34 patients who entered the study were followed at 1 month after gastrectomy. Body weight decreased from 58.1±9.7 kg to 54.9±7.3 kg and values of other parameters of nutritional status also decreased. The levels of blood glucose, insulin, C-peptide, and glucagon generally increased at 0, 60, and 120 minutes during postoperative OGTT as compared to those levels during preoperative OGTT. The blood glucose level increased from 147.6±31.5 to 178.2±45.7 mg/dl at 60 min. (p=0.07) and the insulin level increased from 38.1±27.0 uU/ml to 113.6±96.1 uU/ml at 60 min. (p=0.05). In preoperative OGTT the insulin level was higher at 60 min. and at 120 min. in group I than in group Ⅱ (56.7±23.9 uU/ml vs. 19.4±11.6 uU/ml, p=0.03, 36.1±21.4 uU/ml vs. 8.51±6.9 uU/ml, p=0.03, respectively). Most patient took three meals a day and highly concentrated carbohydrate such as honey between meals. Impaired glucose tolerance developed postoperatively in one woman of overweight group but none of normal weight group. The development of impaired glucose tolerance in one of 3 overweighted women and abnormal glucose metabolism in general after gastrectomy suggests that postoperative risk of development of impaired glucose tolerance be substantial, particularly in patients with diabetic risk factors such as obesity. To prevent the development of postoperative abnormal glucose metabolism adequate weight control before operation, preferably from young age, and postoperative measures to decrease excessive insulin secretion and hence insulin resistance, such as frequent small meals which consist of low carbohydrate and increased mono- and polyunsaturated fatty acid are suggested.
2-D DoA Estimation with Cell Searching for a Mobile Relay Station with Uniform Circular Array
Yo Han Ko,Yeung Jun Kim,Hyun Il Yoo,Won Young Yang,Yong Soo Cho IEEE 2010 IEEE TRANSACTIONS ON COMMUNICATIONS Vol.58 No.10
<P>In this letter, a 2-D Direction-of-Arrival (DoA) estimation scheme with cell searching is proposed for a mobile relay station (MRS) with uniform circular array (UCA) at a handover region. The proposed scheme of cell searching and DoA estimation for the MRS with UCA is robust even when there exist symbol timing offsets (STOs). Compared with the previous scheme, the proposed scheme can reduce computational complexity and processing time for cell searching and DoA estimation. Simulation results are included to verify the performance of the proposed scheme under a mobile WiMAX environment.</P>
배열안테나 패턴 측정 거리에 따른 방향탐지, 간섭제거, 빔형성 성능 분석
고요한 ( Yo-han Ko ),강행익 ( Haeng-ik Kang ),이철수 ( Chul-soo Lee ),김도경 ( Do-kyung Kim ),김갑진 ( Kap-jin Kim ),박영범 ( Young-bum Park ) 한국항행학회 2017 韓國航行學會論文誌 Vol.21 No.6
본 논문에서는 배열안테나의 패턴을 측정하기 위한 배열안테나와 기준 신호원 사이의 거리에 따른 방향탐지, 간섭제거, 빔형성 성능을 분석한다. 배열안테나는 무선통신, 레이더, 소나 등 다양한 분야에서 사용되고 있다. 이러한 배열안테나를 사용하기 위해서는 배열안테나의 패턴을 알고 있어야 하며, 배열안테나의 패턴은 무반향 챔버에서 측정을 통해 얻을 수 있다. 하지만 무반향 챔버의 크기는 제한적이기 때문에 거리에 따른 측정 오차가 발생하게 된다. 이는 배열안테나를 사용하는 방향탐지, 간섭제거, 빔형성의 성능 저하를 유발시킨다. 본 논문에서는 컴퓨터 모의실험을 통해서 배열안테나 패턴 측정 거리에 따른 방향탐지, 간섭제거, 빔형성 성능을 분석하여 결과를 제시한다. This paper analyzes the performances of direction finding, interference cancellation, and beamforming performance by array antenna pattern measurement distance between the center of array antenna and reference emitter. Array antenna is widely adopted for example as wireless communications, radar, and sonar. In order to use array antenna, array antenna pattern must be known and it can be measured in anechoic chamber. However, the size of anechoic chamber is generally limited. So measurement error of array antenna can be occurred and this could effect performance decrease of direction finding, interference cancellation, and beamforming. It is verified by computer simulation that the performances of direction finding, interference cancellation, and beamforming by array antenna pattern measurement distance.