Báo cáo hóa học: "GEOMETRIC AND APPROXIMATION PROPERTIES OF SOME SINGULAR INTEGRALS IN THE UNIT DISK" doc
... (4.7) The reasonings in the case of W ξ ( f )(z) are similar. The proof of continuity on D of W ξ ( f ) and W ∗ ξ ( f ) i s similar to that for P ξ ( f )intheproofofTheorem 2.1(i). It remains to ... to obtain similar properties for the above-defined complex singular integrals. 2. Complex Picard integrals In this section, we study the properties of P ξ ( f )(z)...
Ngày tải lên: 22/06/2014, 21:20
... surface of CoFe 2 O 4 . The peak at 3,007 cm -1 is assigned to the stretching of the vinyl group. The peaks at 2,921 and 2,850 cm -1 are attributed to the asymmetric and symmet- ric stretching of the ... is a single crystal [19]. Figure 2b performs the high-resolution (HR) TEM characterizations of the particles, and the highly crystalline nature of the samp...
Ngày tải lên: 21/06/2014, 18:20
... at RT. Combining with the results of Raman and XPS, we suppose that the FM of the Zn 1-x Zr x O NPs is owing to t he oxygen vacancies inducing by doping of the nonmagnetic element of Zr. Acknowledgements This ... (M-H)at RT of samples are revealed in Figure 6, where the con- tributions of the paramagnetism (PM) signals of the samples were deducted. In the i...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx
... min. Meanwhile, the pH of P-containing solu- tion was adjusted to 10 with NH 3 and stirred continu- ously for 30 min. The P-containing solution was added drop-by-drop into the [Ca + Ag]-containing ... provide the direct information about the size and typical shape of the as-prepared samples. The results suggest that the doping Ag + has little influence on the morphol...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: "Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials" ppt
... avenue for nanofabrication. With the increasing deposition time of Co, the size or con- tent of granular Co embedded in the InP template increases, and the m agnetic behavior of such Co/InP nanocomposites ... participated in the design of experimental section and offered her the help in experiments. WZS gave his help in the setting up of experimental appara...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Electronic and magnetic properties of SnO2/CrO2 thin superlattices" doc
... the ab initio calculations, participated in the analysis, and drafted the manuscript. LS and PB conceived of the study. HA, ES, LA, and LS participated in the analysis and in the production of ... density of states (PDOS) for the Cr-d orbital, (c) Band structure, for spin up and spin down, along the main symmetry lines of the SL BZ. The Fermi level,...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Synthesis and Photoluminescence Properties of Porous Silicon Nanowire Arrays" pdf
... by the increased porosity. Further studies including the decomposition of the PL spectrum and the FTIR analysis confirm that the surface of the HF-treated porous SiNWs are composed of Si–H x and ... study the optical properties of the porous SiNWs. Figure 6a and b display the PL spectrums of the porous SiNWs with different H 2 O 2 concentrations and etch...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Synthesis and Magnetic Properties of Maghemite (c-Fe2O3) Short-Nanotubes" ppt
... incorporated sulfate ions in the preparing process, corre- sponding to the one band of the v1 mode and two bands of the v3 mode (C 3v symmetry), respectively [24]. The ATR- FTIR spectra of ... physical and chemical properties based on their high intrinsic anisotropy and surface activity [4, 5]. Especially, understanding the correlation between the magnetic prope...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Structural and optical properties of a radio frequency magnetron-sputtered ZnO thin film with different growth angles" pdf
... be increased by around 10%. In general, the refractiv e index of a thin film is variable according to the kind of material and thickness of the films. It is addressed that a medium refractive index ... antireflection coating [ARC] which also has a function of passivation [1]. ARCs generally reduce the reflection of sunlight and increase the intensity of radiation o...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Structure and Photoluminescent Properties of ZnO Encapsulated in Mesoporous Silica SBA-15 Fabricated by Two-Solvent Strategy" doc
... decrease with increasing ZnO loading. This implies that ZnO should exist in the channels of SBA-15. In addition, the in ection point of the capillary condensation step on the isotherm shifts to ... relative pressure with increasing ZnO loading, indicating the reduction of the mesopore size. This also suggests that ZnO should be successfully incorporated into the chann...
Ngày tải lên: 22/06/2014, 00:20