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17篇 您的检索式:作者名="Ningfu"
    题名 作者 年代 出处 被引量
1Quasicrystalline Phase in As-cast Mg-Zn-Y-Zr Alloy显示文摘An icosahedral phase in as-cast Mg 5. 78Zn-0.89Y-0.48Zr (wt-%) alloy has been identified with transmission electron microscope (TPM) The selected area diffraction patterns (SADP) from the phase show a five-fold symmetry of a quasicrystalline structure. The energy dispersive X-ray spectra (EDXS) indicate that the quaternary phase has a chemical composition of 67.6Zn-1 9.4Mg-8,1 Y-4 9Zr in at -%Yali TANG Ningfu SHEN and Xin YUAN (Research Center for Materials, Zhengzhou Institute of Technology, Zhengzhou, 450002, China)Zhiping LUO and Shaoqing ZHANG (Institute of Aeronautical Materials, Beijing,100095, China)(To whom correspondence should be ad 1994Journal of Materials Science & Technology1994,10,4:4
2Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure patients显示文摘Liu Qiang Li Hong Wang Ningfu Chen Huaihong Wang Jing 2013International Journal of Cardiology2013,,:2
3N-terminal prohormone B- type natriuretic peptide and cardiovascular risk in stable coronary artery disease :a meta-analysis of nine prospec- tive studies 显示文摘Wei G Yaqi R Ningfu W 2013Rev C ardiovasc Med2013,14,24:1
4Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure patients显示文摘Qiang L Hong L Ningfu W 2013Int J Cardiol2013,168,3:1
5FORMATION OF QUASICRYSTALLINE PHASE IN RAPIDLY SOLIDIFIED Al-Fe-V-Si ALLOY显示文摘The icosahedral quasicrvstalline phase (i-phase)with the chemical composition of 82.4at%Al,8.8at%Fe,3.6at%V and 5.2at%Si in melt spun Al-Fe-V-Si ribbons was found.It is suggested that the temperature and holding time of the melt prior to quenching are the important factors in the formation of the i-phase.GUAN Shaokang, TANG Yali, SHEN Ningfu, ZHAO DongshanZhengzhou Institute of Technology. Zhengzhou. ChinaHU HanqiUniversity of Science and Technology Beijing. Beijing, China 1994Acta Metallurgica Sinica(English Letters)1994,7,3:1
6N-terminal pro-B-type natriuretic peptide is associated with severity of the coro- nary lesions in unstable angina patients with preserved left ventricutar function显示文摘Wei G Ningfu W Xianhua Y 2012J Interv Cardiol2012,25,2:1
7Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure patients显示文摘QIANG L HONG L NINGFU W 2013Int J Cardiol2013,168,3:1
8Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure patients显示文摘Qiang L Hong L Ningfu W 2013Int J Cardiol2013,168,3:1
9Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure patients显示文摘QIANG L HONG L NINGFU W 2013Int J Cardiol2013,168,3:1
10Expression of miR-126 andmiR-508-5p in endothelial progenitor cells is associated with theprognosis of chronicheart failure patients显示文摘Qiang L Hong L Ningfu W 2013Int J Cardiol2013,168,20:1
11Traditional acupuncture and myocardial ischemia显示文摘Yigang Zhong Ningfu Wang 2014International Journal of Cardiology2014,,:1
12Liver Stem/Progenitor Cells in the Canals of Hering: Cellular Origin of Hepatocellular Carcinoma with Bile Duct Tumor Thrombi?显示文摘Ningfu Peng Lequn Li Xiang Cai Shaozao Tan Ting Wu 2010Stem Cell Reviews and Reports2010,,4:1
13Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure patients 显示文摘QIANG L HONG L NINGFU W 2013IntJ Cardiol2013,168,3:1
14Expression of miR-126 and miR-508-5p in endothelial progenitor cells is associated with the prognosis of chronic heart failure paients显示文摘Qiang L Hong L Ningfu W 2013Int J Cardiol2013,16,3:1
15SURFACE STATE AND CATALYTIC ACTIVITY OF ACTIVATED AMORPHOUS Fe_(80)Zr_(12)B_8 ALLOY显示文摘The depth profile of composition,chemical state of elements and morphology of as-received and activated amorphous Fe80Zr12B8 alloy ribbons have been studied by meansof Auger electron spectroscopy,X-ray photoelectron spectroscopy and scanning Augermicroprobe combined with Ar ion bombardment.Both dull and free sides of the as-received ribbons were covered with an iron oxide layer.While a pronounced surfacesegregation and oxidation of B and precipitation of microcrystalline α-Fe particleswere observed on both sides of activated ribbons,B and Zr were oxidized selectivelyin subsurface layer.On both sides of ribbons,a porous surface structure formed. TheBET surface area was measured to be increasing from 0.11 to 2.68 m2/g.The principalmechanism of in situ activation has been discussed.WANG Xike SHEN Ningfu CHEN Haisong Zhengzhou Institute of Technology,Zhengzhou,ChinaZHANG Haifeng Luoyang Research Institute for Ship Materials,Luoyang,ChinaGU Haicheng Xi’an Jiaotong University,Xi’an,China Professor,Research Centre for Materials,Zhengzhou Institute of Technology,Zhengzhou 450002,China 1993Acta Metallurgica Sinica(English Letters)1993,6,7:0
16EFFECT OF Ti ON MICROSTRUCTURE OF RAPIDLY SOLIDIFIED Al-Si ALLOYS显示文摘An addition of Ti as alloying element to Al-Si binary alloy will reduce the undercooling-abili-ty on rapid solidification of the melt-spun ribbon.The microstructure will be encoarsenedeven at initiation of its solidification,so as to aggravate the eellular segregation of Si in thealloy ribbon.SHAO Guosheng SHEN Ningfu Zhengzhou Institute of Technology,Zhengzhou,China 1992Acta Metallurgica Sinica(English Letters)1992,5,4:0
17Featureless Zone in Rapidly Solidified Aluminum Alloy Splats显示文摘The microstructures of rapidly solidified (RS) Al-Fe-Ce-Ti and Al-Fe-V-Si alloys obtained bymeans of rotating blade quenching were studied with optical microscopy,transmission electronmicroscopy (TEM).The featureless zone observed in the two alloys reveals that the new techniqueoffers a higher solidification rate than the inert-gas-atomized method.Under TEM observation thefeatureless zone presents virtually a micropartition or partitionless feature,and the solute contents init are almost the same as the chemical composition of alloys.Ningfu SHEN Yali TANG Dongjie ZHANG Longqing CHEN Shaokang GUAN Research Centre for Materials,Zhengzhou Institute of Technology,Zhengzhou,450002,China 1993Journal of Materials Science & Technology1993,9,6:0
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