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스피드 트레이닝 방법에 따른 Creatime Kinase의 변화가 30M 전력달리기 기록에 미치는 영향
金基榮,田寬錫,曺圭權,鄭宇鎭 江原大學校附設體育科學硏究所 1994 江原大學校附設體育科學硏究所論文集 Vol.- No.18
The enhancement of sport performance is made possible by scientific training methods which can back up all area osf sports. The subjects of this study were 16 students of Department of P. E., Kangnung National University, They were divided into 4 groups (4 students in each group) - Control Group, Box Drill Group, Rubber Resistance Training Group and Air Resistance Training Group. All of them had 12 weeks of speed training by the same load and intensity. We measured the mean of each group's Serum CK and the Record on 30M Dash before and 2,4,6,8,10,12 weeks after the begining of training, By the measurements, we could trace the correlations of training periods, groups and the mean, After the analysis (Which may be used on materials for the development of speed training methods), we came to the following conclusion. ▷표 삽입◁(원문을 참조하세요.) From the test results above, we conclude that Box Drill and Rubber Resistance Training are more effective way of developing speed ability than any other speed training. With the same training load and intensity. the subjects do not show much difference in their record on 30M Dash by the change of Serum CK activity. We make the following suggestions to see a better speed training method and post research that was felt in the study to be dusirable. 1. For more exact accounts of CK in the blood, it is required to have a careful medical check up and also control of the subjects before and after the test, respectively. 2. To make the study of biochemical enzymes more useful in terms of the player's competiveness, we should do research on the spot. 3. The parachute employed for Air Resistance Group should be readapted each time and applied to each one according to his body structure and physical fitness, and a new method of parachute used training should be developed for more speed endurance of the player on the slope of 5°-10° rather than speed power at a short distance. 4. For more effective Rubber Resistance Training, a new training method should be developed whereby the player can have more impact against the floor and than absorb it and he can improve his speed power.
시공간 트렐리스 부호화 CDMA 시스템에서의 선택적 PRC를 사용한 레이크 수신기의 성능 분석
기영민,임은정,안철용,김동구,이석규 延世大學校 電波通信共同硏究所 2002 電波通信論文誌 Vol.6 No.1
다중 경로 페이딩 채널에서의 시공간 트렐리스 부호 (STTC, Space-Time Trellis Codes)의 성능 열화를 보완하기 위한 시공간 등화기는 수신기를 복잡하게 하는 단점이 있다. 본 논문에서는 PRC (Principal Ratio Combining) 레이크 수신기를 제안하였다. 이 수신기는 다중 경로 신호를 PRC 기법을 사용하여 컴바이닝 함으로서 수신 SINR (Signal to Interference and Noise Ratio)을 개선하는 효과를 얻는다. 또한, 본 논문에서는 모든 다중 경로 컴바이닝에 비교하여, 낮은 복잡도로 비슷한 성능을 얻을 수 있는 선택적 PRC (Hybrid Selection / Principal Ratio Combining) 구조를 제시하였다. The space-time equalizer has been used to enhance the space time code in the multipath fading channel. However it requires higher receive complexity. In this paper, the principal ratio combining (PRC) receiver for space-time trellis coded CDMA system is proposed in the multipath fading channels. It maximizes the received signal to interference and noise ratio (SINR) and reduces the complexity of the system compared to optimum ML receiver. We also present the hybrid selection / principal ratio combining (HS/PRC) scheme that can achieve the performance comparable to that of the full path PRC combining system.
한기택,김동진,이석기 大韓成形外科學會 1998 Archives of Plastic Surgery Vol.25 No.2
During the microvascular operation, vasospasm can be disastrous because it may cause necrosis of the flap. But we could not fully understand the pathophysiology of contraction of operated vessels. We performed microvascular anastomosis of the femoral artery in the rats and decided the maximum initia tension and intensity of electrical stimulus. At the site of operation, postoperative 1st, 2nd, 3rd, 5th and 7th days, we took the samples of vessels including microvascular anastomotic site. Using myometry, we observed the responses of the samples responding to the stimuli and compared the results to that of the other unoperated femoral artery. The contractibility of the artery was increased in the first day and remained continuously until the postoperative 7th days.
Kim, Ki Ho,Choi, Young-Kil,Kim, Dong Jip,Min, Byong sok CATHOLIC MEDICAL CENTER 1974 Bulletin of the Clinical Research Institute Vol.2 No.1
The competitive protein-binding assay (CPB assay) of plasma cortisol was reported to be superior to fluorometric or colorimetric (Porter-Silber chromogen) method because of its simplicity. Nevertheless, a number of factors interfere with reproducibility of the standard curve even with the commercially available transcortin and adsorbent. The purposes of this study are to compare the plasma either from the human pregnant woman or from the normal dog with the commercially available transcortin (Schwarz/Mann, U.S.A.) as a cortisol binding-protein and to compare dextran-coated charcoal with florisil as all adsobent.
Kim, Sok-Ho,Na, Ji-Young,Song, Ki-Bbeum,Choi, Dea-Seung,Kim, Jong-Hoon,Kwon, Young-Bae,Kwon, Jung-Kee The Korean Society of Ginseng 2012 Journal of Ginseng Research Vol.36 No.2
The abnormal maturation and ossification of articular chondrocytes play a central role in the pathogenesis of osteoarthritis (OA). Inhibiting the enzymatic degradation of the extracellular matrix and maintaining the cellular phenotype are two of the major goals of interest in managing OA. Ginseng is frequently taken orally, as a crude substance, as a traditional medicine in Asian countries. Ginsenoside $Rb_1$, a major component of ginseng that contains an aglycone with a dammarane skeleton, has been reported to exhibit various biological activities, including anti-inflammatory and anti-tumor effects. However, a chondroprotective effect of ginsenoside $Rb_1$ related to OA has not yet been reported. The purpose of this study was to demonstrate the chondroprotective effect of ginsenoside $Rb_1$ on the regulation of pro-inflammatory factors and chondrogenic genes. Cultured rat articular chondrocytes were treated with 100 ${\mu}M$ ginsenoside $Rb_1$ and/or 500 ${\mu}M$ hydrogen peroxide ($H_2O_2$) and assessed for viability, reactive oxygen species production, nitric oxide (NO) release, and chondrogenic gene expression. Ginsenoside $Rb_1$ treatment resulted in reductions in the levels of pro-inflammatory cytokine and NO in $H_2O_2$-treated chondrocytes. The expression levels of chondrogenic genes, such as type II collagen and SOX9, were increased in the presence of ginsenoside $Rb_1$, whereas the expression levels of inflammatory genes related to chondrocytes, such as MMP1 and MMP13, were reduced by approximately 50%. These results suggest that ginsenoside $Rb_1$ has potential for use as a therapeutic agent in OA patients.
Hyperglycemic Nonketotic and Ketoacidotic Hyperosmolar Coma
김기호 ( Ki Ho Kim ),민병석 ( Byong Sok Min ),김선우 ( Suh Woo Kim ),최두혁 ( Du Hyok Choi ) 대한내과학회 1973 대한내과학회지 Vol.16 No.8
Hyperglycemic nonketotic hyperosmolar coma는 응급을 요하는 질환중의 하나로 ketosis 이나 산혈증(acidosis)없이 혈청의 심한 고삼투압(Hyperosmolarity), 탈수 및 고혈당을 특징으로 한다. 당뇨병의 기왕력이 없거나 경도의 성인형 당뇨환자에서 잘 생기며 연령은 50세에서 70세까지가 가장 많다. 아직까지 병인(病因)은 밝혀져 있지 않으며 생존율은 낮아서 40~60%밖에 되지 않는다. 도(都)등이 196