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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>
고요한(Yo Han Ko),박창환(Chang Hwan Park),박경원(Kyung Won Park),전원기(Won Gi Jeon),백종호(Jong Ho Paik),이석필(Seok Pil Lee),조용수(Yong Soo Cho) 한국통신학회 2009 韓國通信學會論文誌 Vol.34 No.4C
본 논문에서는 OFDMA(Orthogonal Frequency Division Multiple Access) 기반 동기식 디지털 이중화(Synchronous Digital Duplexing) 방식에 적합한 그룹핑 기법을 제안한다. SDD 방식은 상호 레인징(mutual ranging) 과정을 통해 획득한 상호 시간 정보와 상호 채널 정보를 이용하여 상ㆍ하향링크 신호를 동시에 전송 가능하기 때문에 자원 할당의 유연성과 데이터 전송 효율이 증가하는 장점을 갖는다. 그러나 AP(access point)와 각 SS(subscriber station), SS와 다른 SS 사이의 상호 시간 지연과 상호 채널 길이의 합이 CP(cyclic prefix) 길이보다 긴 경우에는 OFDMA 심볼의 직교성을 유지하기 위해 추가의 CS(cyclic suffix)를 삽입해야하는 단점이 있다. 본 논문에서는 SDD 방식에서 추가의 CS가 필요한 경우에 CS 길이를 최소화하기 위하여 셀 내에 존재하는 AP 혹은 SS를 그룹으로 구분하여 송ㆍ수신 시간을 제어하는 그룹핑 기법을 제안하며, 모의실험을 통해 성능을 비교 분석한다. In this paper, we propose a grouping technique for the SDD(Synchronous Digital Duplexing) based on OFDMA(Orthogonal Frequency Division Multiple Access). The SDD has advantages of increasing data efficiency and flexibility of resource since SDD can transmit uplink signals and downlink signals simultaneously by using mutual time information and mutual channel information, obtained during mutual ranging process. However, the SDD has a disadvantage of requiring additional CS to maintain orthogonality of OFDMA symbols when the sum of mutual time difference and mutual channel length between AP(access point) and SS(subscriber station) or among SSs are larger than CP length. In order to minimize the length of CS for the case of requiring additional CS in SDD, we proposes a grouping technique which controls transmit timing and receive timing of AP and SS in a cell by classifying them into groups. Performances of the proposed grouping technique are evaluated by computer simulation.