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      • 외국의 호스피스·완화의료 현황에 관한 연구

        반필주,심은경,조현 인제대학교 2009 仁濟論叢 Vol.24 No.1

        This research was performed to have a general understanding of hospice and palliative care through the cancer management status of the United States, Great Britain, Japan and Australia. Data was collected from The internet home pages and literatures about hospice and palliative care of the cancer patients in the four countries or from an interview with the organizations concerned. In case of United States, about mean duration of hospitalization (MDH) were increased in hospice care about 52.48 days in Medicare certified 2005 than before, and the cost efficiency of hospice care (131$/day, 2005) was higher than the hospital (4,787$/day, 2005) and nursing home (521$/day, 2005). In England, about half people accommodated in hospice facilities stayed for 13 days on an average, and especially the cost was totally free differently with the others. In Japan, MDH was about 43 days in 2006 , and good quality of nursing care was provided in respects of the nursing ratio of 1 5 nurses per patient, and in some respects of the bedding numbers of one person per bed for patient’s privacy. In Australia, the supporting system for the first medicare provider, 1800 calling service, and for the care givers and volunteers has been being operated well with detailed instruction. The features of the cancer management system in the four countries were as follows. England government gives financial aid, America has various medical system and policies for hospice, Japan has more efficient hospice care and charge systemG , and Australia carries out 1800 calling service by medical professionals and care giver. Conclusively, for the quality of hospice and palliative care system in Korea from now on, the appropriate political support and charge system should be prepared considering overseas examples mentioned above.

      • KCI등재

        산국의 수량과 유효성분에 대한 NPK의 효과

        이경동,양민석,정연규,손보균,조주식,이성태,김필주 한국농화학회 2003 Applied Biological Chemistry (Appl Biol Chem) Vol.46 No.2

        본 연구는 3요소(N-PO_2O_5-K_2O)처리가 산국(Chysanthemum boreale M.)의 수량과 유효성분에 미치는 효과를 조사하여 효과적인 재배시스템을 개발하고자하였다. 처리구는 무처리, NPK(250-160-160), NK(250-0-160), PK(0-160-160kg/ha)의 5처리로 설정하여 산국을 재배한 결과, 건물수량은 NPK처리구가 PK처리구에 비하여 4.0배의 증수가 있었으며, 다른 처리구보다 무기이온의 흡수율, 생육 및 수량에서 NPK처리구가 가장 우수하였다. 식용으로 많이 쓰이는 꽃의 주요 아미노산은 proline, glutamic acid과 aspartic acid이였고, 다른 처리구들에 비하여 NPK처리구가 높은 함량을 보였다. 혈압강하효과가 우수한 cumambrin A는 PK처리구에 비하여 NPK처리구가 6.2배의 증수효과가 있었다. NK처리구는 NP처리구보다 cumambrin A의함량을 높이기 위해서는 인산의 시용보다 칼리의 시용이 더 요구되며, 야외포장에서의 인산과 칼리의 적정 시비량의 설정이 필요하다고 판단된다. To establish the fertilization condition to increase the productivity of Chrysanthemum boreale M. with high quality, the effects of three nutrients (N, P, K) on the yields and the effective components were investigated in the pot scale. NPK was applied by chemical fertilizers with N-P_2O_5-K_2O = 250-160-160 kg/ha as a main treatment, and NP (N-P_2O_5 = 250-160 kg/ha), NK (N-KO = 250-160 kg/ha), and PK (PO_2-KO_5 = 160-160 kg/ha) treatments were settled as comparison. Dry yields of C. boreale M. was increased significantly to 4 fold higher by nitrogen. Nitrogen increased apparently plant growth and inorganic nutrient uptake. In the flower, which is most useful and edible part as a herbal medicine, main amino acids were glutamic acid and aspartic acids, and the total content was increased significantly by three elements of application. In addition, the content of cumambrin A, which is known to have the effect of blood-pressure reduction, was increased source to 6.2 times by nitrogen higher than that in PK treatment. Potassium was more effective in biosyndiesis of cumatnbrin A than phosphorus, but the biological pathway was not clear, still.

      • KCI등재

        Acoustic Echo Canceller using Adaptive IIR Filters with Prewhitening Method and Variable Step-Size LMS Algorithm

        Cho, Ju Pil,Hwng, Tae Jin,Baik, Heung Ki The Acoustical Society of Korea 1997 韓國音響學會誌 Vol.16 No.e2

        The future teleconferencing systems will need an appropriate system which controls properly the acoustic echo for the convenient communication. The conventional acoustic echo cancellation algorithms involve large adaptive filters identifying the impulse response of the echo path. The use of adaptive IIR filters appears to be a reasonable way to reduce computational complexity. Effective cancellation of acoustic echo presented in teleconferencing system requires that adaptive filters have a rapid convergence speed. One of the main problems of acoustic echo cancellation techniques is that the convergence properties degrade for an highly correlated signal input such as speech signals. By the way, the introduction of linear prediction filers onto the structure of the acoustic echo cancellation represents one approach to decorrelate the speech signal. And variable step-size LMS algorithm improves the convergence speed through a little increasing of computational complexity. In this paper, we applied these two methods to the acoustic echo canceller(AEC) and showed that these methods have better performances than the conventional AEC.

      • RTA처리한 PZT 박막의 강유전 특성

        주필연,조익현,정규원,박영,임동건,이준신,송준태 성균관대학교 2002 학술회의지원논문목록집 Vol.2002 No.-

        PZT thin films(35000A) have been prepared onto Pt/Ti/SiO₂/Si substrates with a RF magnetron sputtering system using Pb_(1.05)(Zr_(0.52),Ti_(0.48))O₃ceramic target. We used two-step annealing techniques. As the RTA times and temperatures were increased, crystallization of PZT thin films were enhanced. The ferroelectric characteristics of PZT capacitors fabricated at 700℃ for 60 seconds were like these, remanent polarization were 12.1 μC/㎠, coercive field were 110 kV/cm, leakage current density were 4.1×10^(7) A/㎠, εr - 442, and remanent polarization were decreased by 22% after 10^(10) cycles, respectively.

      • BA處理가 噴霧耕栽培 菊花(Dendranthema grandiflorum Ramat. cv. Chunkwang)의 開花特性에 미치는 影響

        趙自容,李正弼,姜宗求,鄭淳柱 全南大學校 農業科學技術硏究所 1994 農業科學技術硏究 Vol.29 No.-

        본 연구는 噴霧耕을 이용한 菊花의 養液栽培時 高品質 切花 生産 體系를 確立하기 위하여 절화국인 '춘광(Dendranthema grandiflorum Ramat. cv. Chunkwang)'을 供試 品種으로 하여 BA 處理時期 및 處理濃度가 국화의 開花特性에 미치는 영향을 비교하였다. 切花長 및 花俓은 정식후 30일 처리의 경우 BA 200ppm과 300ppm치리의 저농도 처리구에서, 화중은 400ppm과 500ppm의 고농도 처리구에서, 舌狀花數는 모든 BA 처리구에서 생장이 높았고, 40일 처리의 경우는 처리간에 큰 유의차를 인정할 수 없었다. BA처리는 처리시기 및 농도에 관계없이 절화용 국화의 收穫時期를 늦추고 있슴을 알 수 있었다. 이상과 같이 국화의 양액재배는 BA처리에 의해 生産期間의 短縮과 切花의 品質을 향상시킬수 있었다. 따라서 앞으로 土壤栽培에서 養液栽培로의 栽培方式轉煥과 適正濃度의 BA徹布가 高品質 切花菊을 生産할 것으로 기대되었다. 위와 같은 결과로 보아 BA 처리시기 및 처리농도가 국화 '춘광'의 開花特性에 큰 영향을 미쳤으며 특히 BA처리와 栽培環境과 연관성에 대해서 앞으로도 많은 연구가 遂行되어야 할 것으로 생각되었다. This experiment was conducted to improve the flower quality in terms of plant height, flower diameter, flower weight, number of flowerlets of aeroponically grown chrysanthemun (Dendranthema grandiflorum Ramat. cv. Chunkwang) and to shorten the days to flowering by benzyladenine(BA) transplanting in winter season. Foliar application of BA were adjusted to 0, 200, 250, 300, 350, 400, 450 and 500 ppm. BA was treated on 30 and 40days after transplanting(DAT). Plant height and flower diameter were high at lower BA concentration, but folwer weight of aeroponically grown chrysanthemum was higher as BA concentration increased. Number of flowerlet was not significantly different between BA treatments at 30 and 40 days after transplanting. Harvest date of cut flower was delayed in the plot of BA treated than that of control. This means that BA treatment retarded the flowering time of aeroponically grown chrysanthemum. Number of flowerlets increased much more as BA concentration became higher at 40 DAT of BA treatment. Especially, number of flowerlets in the plot of BA 500 ppm was increased up to 20% than that of non-treated plot. However, the size of the flowerlets was highest at 200 ppm of BA concentration at 30 DAT.

      • 레일라이 페이딩 채널의 직교주파수 분할다중화 성능 개선을 위한 채널추정

        조주필,황태진,백흥기 전북대학교 공업기술연구소 2000 工學硏究 Vol.31 No.-

        Pilot Symbol Assisted Modulation(PSAM) is a conventional method for estimating a channel in OFDM. And Extended Symbol Aided Estimation(ESAE), which uses not only the pilot symbols like PSAM but also the previously estimated fading values, is used for only single-carrier system. ESAE has a better performance in MSE than PSAM. But ESAE needs much more computational complexity than those of PSAM. Also, ESAE has a serious problem in MSE performance in case that the value of channel estimation error are accumulated. For the sake of these problems in conventional methods, we propose a channel estimation method for OFDM, which has a good performance and computational complexity.

      • KCI등재

        Hop2 and Sae3 Are Required for Dmc1-Mediated Double-Strand Break Repair via Homolog Bias during Meiosis

        Cho, Hong-Rae,Kong, Yoon-Ju,Hong, Soo-Gil,Kim, Keun Pil Korean Society for Molecular and Cellular Biology 2016 Molecules and cells Vol.39 No.7

        During meiosis, exchange of DNA segments occurs between paired homologous chromosomes in order to produce recombinant chromosomes, helping to increase genetic diversity within a species. This genetic exchange process is tightly controlled by the eukaryotic RecA homologs Rad51 and Dmc1, which are involved in strand exchange of meiotic recombination, with Rad51 participating specifically in mitotic recombination. Meiotic recombination requires an interaction between homologous chromosomes to repair programmed double-strand breaks (DSBs). In this study, we investigated the budding yeast meiosis-specific proteins Hop2 and Sae3, which function in the Dmc1-dependent pathway. This pathway mediates the homology searching and strand invasion processes. Mek1 kinase participates in switching meiotic recombination from sister bias to homolog bias after DSB formation. In the absence of Hop2 and Sae3, DSBs were produced normally, but showed defects in the DSB-to-single-end invasion transition mediated by Dmc1 and auxiliary factors, and mutant strains failed to complete proper chromosome segregation. However, in the absence of Mek1 kinase activity, Rad51-dependent recombination progressed via sister bias in the $hop2{\Delta}$ or $sae3{\Delta}$ mutants, even in the presence of Dmc1. Thus, Hop2 and Sae3 actively modulate Dmc1-dependent recombination, effectively progressing homolog bias, a process requiring Mek1 kinase activation.

      • SCISCIESCOPUS
      • KCI등재

        QTLs Identification and Confiirmation of Field Resistance to Leaf Blast in Temperate japonica Rice (Oryza sativa L.)

        Cho, Young-Chan,Kwon, Soon-Wook,Suh, Jung-Pil,Kim, Jeong-Ju,Lee, Jeom-Ho,Roh, Jae-Hwan,Oh, Myung-Kyu,Kim, Myeong-Ki,Ahn, Sang-Nag,Koh, Hee-Jong,Yang, Sae-Jun,Kim, Yeon-Gyu The Korean Society of Crop Science 2008 Journal of crop science and biotechnology Vol.11 No.4

        Field resistance is defined as the resistance that allows effective control of a parasite under natural field condition and is durable when exposed to new races of that parasite. To identify the genes for field resistance to rice blast, quantitative trait loci (QTLs) conferring the resistance for races and blast nursery screening in japonica rice cultivars were detected and mapped using SSR markers. QTL analysis was carried out in 190 RILs population from the cross between Suweon365 (moderately resistant) and Chucheong (highly susceptible). Twelve QTLs against nine blast races inoculated were detected on chromosomes 1, 2, 4, 6, 7, 11 and 12. They explained from 5.1% to 34.9% of total phenotypic variation. Eight QTLs against blast nursery screening in four regions for three years were detected on chromosomes 1, 2, 4, 11 and 12. The phenotypic variation explained by each QTL ranged from 4.3% to 37.7%. Three chromosome segment substitution lines (CSSLs) of $BC_2F_6$ by backcross method were developed to transfer the QTLs into the susceptible cultivar Chucheong as a recurrent parent. A CSSL4-1 containing two QTLs qLB6.2 and qLB7 against blast races showed to the reaction of 6 to 7 at blast nursery in two regions for two years. The CSSL4-2 and CSSL93 containing QTLs, qLB11.2 and qLB12.1 of the resistance against leaf blast in blast nursery screening, respectively, had enhanced the resistance for blast nursery screening across two regions and in two years.

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