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    题名 作者 年代 出处 被引量
1A MATHEMATICAL MODEL FOR RESERVOIR SEDIMENTATION AND FLUVIAL PROCESSES显示文摘This paper consists of two parts: mechanism of non-equilibrium transport of non-uniform sediment and its application in the mathematical model. Based on a statistic approach of sediment transport proposed by the authors, a 1 - D equation of non-e- quilibrium transport for various size group of sediment particles is developed. Then equations to predict change of sediment concentration and the corresponding changes in size distribution of suspended load and bed material are also derived. The conception that changes in size distribution are interrelated to sediment-carrying capacity is expounded. These results reveal the essence of sediment transport of non-uniform sediment particles. In the second part a mathematical model incorporating the mentioned equations to compute deposition and scouring in reservoirs as well as the fluvial processes of river channels has been developed. Verification of the model agrees well with field data.Han Qiwei and He Mingmin (Senior Research Engineers, Dept. of Sedimentation Eng. Inst. of Water Conservancy and Hydroelectric Power Research.) (The English text is abridged, altered and edited by Ding Lianzhen) 1990International Journal of Sediment Research1990,5,2:10
2Influence of Nitrogen Flow Rate on the Microstructure and Properties of N and Me (Me=Cr,Zr) Co-doped Diamond-like Carbon Films显示文摘In this paper,Me (Me=Cr,Zr) and N co-doped diamond like carbon (DLC-MeN) composite films were prepared on cemented carbide substrates by pulsed bias arc ion plating.The effect of nitrogen flow rates on the microstructure and properties of the films were investigated by X-ray photoelectron spectroscopy (XPS),Raman spectra,grazing incident X-ray diffraction (GIXRD),high resolution transmission electron microscopy (HRTEM) and nano-indentation.Raman,GIXRD and HRTEM results show that the deposited films are nanocomposite films with MeN nanocrystalline phase embedded within DLC amorphous matrix,which are vital for the mechanical properties of the films.The nitrogen flow rate has significant effect on the compositions and structures and hence on the hardness and elastic modulus of the films,and increasing nitrogen flow rate decreases drastically the hardness and elastic modulus of the films.Zhiyun Han,Hongkai Li,Guoqiang Lin and Chuang Dong Key Laboratory for Material Modification by Laser,Ion and Electron Beams,Dalian University of Technology,Dalian 116085,China 2010Journal of Materials Science & Technology2010,26,11:2
3Cell proliferation induced by reactive oxygen species is mediated via mitogen-activated protein kinase in Chinese hamster lung fibroblast (V79) cells显示文摘Han M J Kim BY Yoon SO 2003Mol Cells2003,15,:1
4Evaluation of biohydrogen production from glucose and protein at neutral initial pH显示文摘Xiao BY Han YP Liu JX 2010International Journal of Hydrogen Energy2010,35,12:1
5Simultaneous determination of four components in composite vitamin B tablets using a square -root kalman filter显示文摘Yang JH Han RJ Su BY 1998Analytical Science1998,14,5:1
6Senescence-associated beta- galactosidase is lysosomal beta-galactosidase 显示文摘Lee BY Han JA Im JS 2006Aging Cell2006,5,2:1
7Label-free DNAzyme- based fluorescing molecular switch for sensitive and selective detection of lead ions 显示文摘ZHANG L B HAN BY LI T 2011Chemical Communications2011,4,11:1
8High-performance genetically targetable optical neural silencing by light-driven proton pumps 显示文摘Chow BY Han X Dobry AS 2010Nature2010,463,7277:1
9Isorhamnetin protects against oxidative stress by activating Nrf2 and inducing the expression of its target genes显示文摘Yang JH Shin BY Han JY Kim MG Wi JE Kim YW 2014Toxicol Appl Pharmacol2014,274,2:1
10Usefulness of multi-detector CT in Boyd - Griffin type 2 intertrochanteric fractures with clinical correla- tion 显示文摘Han SK Lee BY Kim YS 2010Skeletal radiology2010,39,6:1
117 cells显示文摘YOON Y D KANG J S HAN S B Activation ofmitogenactivated protein kinases and AP-l by polysaccharide isolated from the radix of platycodon grandiflorum in RAW 264 2004International Immunopharmacology2004,4,12:1
12Behavioral and electrophysiological responses of natural enemies to synomones from tea shoots and kairomones from tea aphids, Toxoptera aurantii 显示文摘Han BY Chen ZM 2002J Chem Ecol2002,28,11:1
13Dubs 显示文摘DERK BODDE REVIEWED WORK(S) : The History of the Former Han Dynasty by Pan Ku Homer H 1939The American Historical Review1939,,3:1
14Difference in probing behaviour of tea aphid on vegetative parts of tea plant and non-host plants显示文摘HAN BY CHEN ZM 0,,:1
15Biodegradable thermosensitive micelles of PEG-PLGA-PEG triblock copolymers 显示文摘Litter MI Jeong B Han BY 1999Colloids Surf B: Biointerfaces1999,16,1:1
16Simultaneous determination of four components in composite vitamin B tablets using a square - root kalman filter显示文摘Yang JH Han R J Su BY 1998Anal Sci1998,14,5:1
17Senescence-associated β-galaetosidase is lysosomal β-galaetosidase 显示文摘Lee BY Han JA Im JS 2006Aging Cell2006,5,2:1
18Effects of reactive oxygen species on proliferation of Chinese Hamster lung fibroblast (V79) cells显示文摘Kim BY Han MJ Chung AS 0,,6:1
19Cell proliferation induced by reactive oxygen species is mediated via mitogen-activated protein kinase in Chinese hamster lung fibroblast (V79) cells显示文摘Han MJ Kim BY Yoon SO 2003Mol Cells2003,15,1:1
20Hsp90 inhibitor geldanamycin enhances the antitumor efficacy of enediyne Iidamycin in association with reduced DNA damage repair显示文摘Han FF Li L Shang BY 2014Asian Pac J Cancer Prev2014,15,17:1
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