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J. Cent. South Univ. Technol. (2011) 18: 1877-1882 DOI: 10.1007/s11771-011-0917-x Preparation of nano-structured Ag solid materials and application to surface-enhanced Raman scattering YI Zao(易早)1, 2...-strength mold under different pressures at 523 K to produce nano-structured Ag solid materials. The structure and characteristic of the nano-structured Ag solid materials (NSS-Ag) were studied using X-ray......
Acting mechanism of F,K,and Na in the solid phase sintering reaction of the Baiyunebo iron oreZhi-zhong Hao~(1,2)),Sheng-li Wu~(1)),Yi-ci Wang~(3)),Guo-ping Luo~(3)),Hu-lin Wu~(4)),and Xiang-guang..." name="ChDivSummary"><正>The effect of F,K,and Na on the solid phase reaction of the Baiyunebo iron ore was investigated by differential thermal analysis (DTA) and X-ray diffraction(XRD).It has been......
Engineering, Chinese Academy of Sciences, Beijing 100190, China) Abstract: The solid phase method and liquid phase method for aluminum removal in the chromium compound production were reviewed... and analyzed. Key words: chromium compound; aluminium hydroxide; solid phase method; liquid phase method 铬盐是无机盐的主要品种之一,主要包括红矾钠,铬酸酐,重铬酸钾,重铬酸铵,碱式硫酸铬,氧化铬等[1].目前,中国铬化合物产量已占全球的40%[2].铬盐生产的主要方法是铬铁矿氧化焙烧法.最早实现工业化的是有......
, volume fraction and amount of the eutectic phase[1]. In recent years, some advanced micro models have been reported[2-8], and such kinetic effects which can influence microsegregation as solid state... heat of fusion; γ is the solid/liquid interface energy; DL is diffusion coefficient of liquid phase; T is temperature; m is slope of liquidus curve in phase diagram; k is partition coefficient......
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8-quinolinolate) was synthesized by solid state chemical reaction. The particle size distribution was relatively uniform, the morphology of the mare was ball like particle. The phase, particle size... similar as well, and all the products were one phase Table 1 Morphology and particle size of nanocrystalline Zn(Oxin)2?2H2O under different conditions by solid state reaction Table 2 X......
Performance of La1-xSrxCr1-yMnyO3-δ anode materials for intermediate temperature solid oxide fuel cell CHEN Xiu-hua(陈秀华)1, MA Wen-hui(马文会)2, 3, YANG Bin(杨 斌)2, 3, DAI Yong-nian(戴永年)2, 3 1... reduction(TPR) techniques. XRD patterns indicate that perovskite phase created after the precursor was sintered at 1 000 ℃ for 5 h, and single perovskite-type oxides formed after the precursor were......
[8]. Against this background, an analytical model for solid-state phase transformations has been developed to incorporate the three mechanisms: nucleation (e.g. mixed nucleation and/or Avrami... energies in terms of nucleation and growth[J]. J Mater Sci , 2002, 37: 1321-1332. [9] MITTEMEIJER E J, SOMMER F. Solid state phase transformation kinetics: a modular transformation model[J]. Metallkd......
Preparation of Solid Solutions [Li3xLa0.67-xYyTi1-2yNbyO3] and Its Lithium-ion Conductivity 王文继1,陈睿婷1,李荣华1 (1.Department of Chemistry,Fuzhou University,Fuzhou 350002, China) Abstract:Perovskite-type lithium fast ion conductors of Li3xLa0.67-xYyTi1-2yNbyO3 system were prepared by solid state reaction. X-Ray powder diffraction shows that a single-phase perovskite solid solution with orthorhombic......
in it. According to Mg-Zn binary diagram, the melting point of MgZn is 347 ℃ and solidification of MgZn phase should disappear at 350 ℃ theoretically[13]. Therefore, the existence of MgZn at the solid state..., as shown in Fig.5. T-phase is a stable solid phase at 350 ℃, and has two-phase equilibrium with Mg solid solution in the wide composition range and the linear characterization of Fig.5 Partial......
