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, DONG Xing-long (School of Materials Science and Engineering, Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, Dalian University of Technology, Dalian 116024, China) Abstract......
") and water-cooled condenser (Device "10") were put out for analysis respectively. 2.3 Characterization Chemical composition and mineralogy of the samples were characterized by chemical analysis and electron......
of the compacts were observed using a scanning electron microscope (SEM, FEI QUANTA-200). Vickers microhardness using pyramidal diamond was measured by applying a load of 4.9 N for 15 s (HVS- 1000......
g/cm3. 2.3 Microstructural analysis The microstructures and hot tearing morphologies adjacent to the sprue-horizontal rod junction were studied with a scanning electron microscope (SEM). The samples......
Al原子之间产生0.10的电荷转移.以上结果表明,3种相均出现了电荷转移,原子之间除了共价键之外,还存在着离子键特性,离子性按以下顺序增加,由大到小依次为TiAl3,AlB2,TiB2. 表2 TiB2,AlB2和TiAl3 的Mulliken电荷布居 Table 2 Mulliken electron occupation numbers of TiB2, AlB2......
. 图9 球磨8 h后Al+C4H4N4混合粉末的背散射电子像及Al,C,N元素分布图 Fig. 9 Backscattering electron images and element mapping of Al, C and N of Al+C4H4N4 powder milled for 8 h by PM(a) and CM(b) 2.5 球磨后Al......
, 1987, 931: 10-15. [7] KADIISKA M B, XIANG Qun-Hui, MASON R P. In vivo free radical generation by chromium (VI): An electron spin resonance spin-trapping investigation [J]. Chemical Research......
by inductivity coupled plasma atomic emission spectroscopy (ICP-AES, IRIS Intrepid Ⅱ XSP), and the composition of leaching residues was determined by chemical analysis. JXA-8230 electron probe......
, FUDENBERG G, HONE G, KIM P, STORMER H L. Ultrahigh electron mobility in suspended graphene [J]. Solid State Communications, 2008, 146: 351-355. [5] CHEN J H, JANG C, XIAO S D, ISHIGAMI M, FUHRER M S......
for spectrum sensing in cognitive radio networks [J]. Electron Lett, 2014, 50(7): 490–492. DOI: 10. 1049/el.2013.4295. [15] ANDREA M, ANDREA G, MARCO C. Wideband spectrum sensing for cognitive radio......