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Search Results: 1 - 10 of 25941 matches for " TONG Ke-Qin "
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A Practical Approach to Management of Chronic Hepatitis B
Hu Ke-Qin
International Journal of Medical Sciences , 2005,
Abstract: Chronic hepatitis B (CHB) is one of the important public health problems worldwide. Major advances have been made in the treatment of CHB during the past several years. This article systemically reviews advances in the application of HBV DNA quantitation and three approved drugs for HBV treatment, and presents an updated and practical clinical approach to managing CHB. Highly sensitive PCR-based quantitation of HBV DNA makes it possible to precisely determine pre-treatment HBV load and monitor HBV DNA response during treatment. HBV DNA level, HBeAg status, degree of hepatic histological activity and fibrosis, and serum transaminases are the most important parameters in determining indication, regimen, and duration of HBV treatment. Although interferon alfa-2b, lamivudine, and adefovir are all approved as initial HBV treatment, understanding the advantages and advantages of each agent is important in choosing the best treatment for each individual patient with CHB.
Guest Editor's Editorial: Advances in Managing Hepatitis C Virus (HCV) Infection (A Special Issue)
Hu Ke-Qin
International Journal of Medical Sciences , 2006,
Abstract:
Photoluminescence of Electrospun Poly-Methyl-Methacrylate:Alq3 Composite Fibres

TONG Ke-Qin,XU Chun-Xian,WANG Qiong,GU Bao-Xiang,ZHENG Ke,YELi-Hua,LI Xin-Song,

中国物理快报 , 2008,
Abstract: Tris(8-hydroxyquinoline) aluminium doped poly-methyl-methacrylate (PMMA:Alq3) composite nanofibres are fabricated by electrospinning. The morphology of fibres is characterized by scanning electron microscopy. The photoluminescence of a series of the nanofibres with various contents of Alq3 to PMMA is investigated. UV-visible absorption and the PL spectra analysis are employed to analyse the interaction between the polymer and the luminescent molecule.
ERP-based Quality-driven Product Development
基于ERP的质量驱动产品设计研究

SHEN Ji-min,TONG Shu-rong,WANG Ke-qin,
申继民
,同淑荣,王克勤

计算机应用研究 , 2006,
Abstract: Plenty of information about enterprise resources can be derived from ERP. This information is not only used by enterprises for resource optimization, it is also very much useful to product designers in their decision-making. However, this information in ERP is not well used at product design stage. This paper starts with the introduction of the conception of ERPbased quality-driven product development. It then gives a model of ERP-based quality-driven product development that integrates QFD with FMEA. In the end, the paper presents a framework to realize information exchange in ERP-based qualitydriven product development.
The Water Use Effeciency of the Goldspur Apple Tree
金矮生苹果水分利用效率研究

WANG Ke-Qin,
王克勤

生态学报 , 2002,
Abstract: After measuring the photosynthetic rate and transpiration rate of the leaves of seven-year field and two-year potted Malus pumila CV. Goldspur under different soil water and illumination conditions, together with the calculation of water use efficiency (WUE), the result showed that because photosynthetically active radiation (PAR) and soil water content (SWC) affected the photosynthetic rate and transpiration rate of Goldspur, they thus influenced WUE. The response of WUE to different illumination condition...
The Effect of Soil Moisture Upon Net Photosynthetic Rate of the Goldspur apple Tree
土壤水分对金矮生苹果光合速率的影响

WANG Ke-Qin,
王克勤

生态学报 , 2002,
Abstract: 通过对 7年生田间和 2年生盆栽金矮生苹果 ( Maluspumila CV.goldspur)进行不同土壤水分和光照条件下叶片光合速率测定研究 ,结果表明 ,光合速率 ( Pn)与光照强度 ( PAR)和土壤水分 ( SWC)之间存在着密切的关系。当林木供水充足 ,即 SWC( >1 5 % )达到田间持水量 ( FC)的 75 %以上时 ,Pn的光响应曲线为直角双曲线 ,但 SWC低于这一水平时 ,Pn的光响应曲线则为二次抛物线 ,表现出不同程度的光抑制 ,水分胁迫越严重 ,出现光抑制越早。弱光下 ( PAR<5 0 0 μmol· s- 1· m- 2 ) ,光合速率最大值 Pmax出现在 SWC比较低的范围内 ( 70 %~ 75 % FC) ,如果 SWC继续增大时 ,Pn反而下降 ;随着光强的增大 ,Pmax出现的 SWC水平随之提高。金矮生苹果 Pn的日变化规律在不同 SWC下并不相同 ,水分胁迫存在时 ,Pn的日变化表现出“午休”现象 ,水分胁迫越严重 ,“午休”时间越长 ;水分供应充足时 ,Pn从 1 0∶ 0 0的最大值直线下降 ,下午不再回升。轻度水分胁迫时 ,Pn日平均值接近或达到最大值 ;随着 SWC的提高 Pn日平均值反而有下降趋势。在正常光照条件下 (日均值 80 0~ 1 0 0 0μmol· s- 1· m- 2 ) ,当林木处于严重水分胁迫 ,即 SWC低于 FC的 5 5 %时 ,Pn随土壤水分的增加直线上升 ;当土壤水分供应充足 ( SWC>75 % F
Carboniferous and Permian Floras in China
中国石炭纪和二叠纪植物群

SUN Ke-Qin,
孙克勤

植物学报 , 2001,
Abstract: 本文总结和讨论了中国石炭纪和二叠纪植物群分布特征,在对植物群成分分析的基础上,认为中国早石炭世(杜内期、维宪期和纳缪尔A期)分布一个全球一致性的植物群,即拟鳞木植物群Lepidodendropsis flora。中国的晚石炭世(纳缪尔B_C期、维斯发期和斯蒂芬期)和二叠纪植物群为华夏植物群。本文还对北方华夏植物群亚区和南方华夏植物群亚区植物群进行了对比,并论述了这两个植物群在组成成分上的差异。
Can We Obtain a Fractional Lorenz System from a Physical Problem?

YANG Fan,ZHU Ke-Qin,

中国物理快报 , 2010,
Abstract:
Role of Viscosity Stratification and Insoluble Surfactant in Instability of Two-Layer Channel Flow

PENG Jie,ZHU Ke-Qin,

中国物理快报 , 2010,
Abstract:
Advances in Hepatitis B Research: From Virology to Clinical Management (A Special Issue)
Lu Xuanyong,Hu Ke-Qin
International Journal of Medical Sciences , 2005,
Abstract:
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