Báo cáo toán học: "Bijective census and random generation of Eulerian planar maps with prescribed vertex degrees" pptx

Báo cáo toán học: "Bijective census and random generation of Eulerian planar maps with prescribed vertex degrees" pptx

Báo cáo toán học: "Bijective census and random generation of Eulerian planar maps with prescribed vertex degrees" pptx

... yields an Eulerian planar map with d i vertices of degree 2i for all i and hence defines a mapping φ from balanced Eulerian trees to Eulerian planar maps with corresponding distribution of vertex ... function E(u, v) of balanced Eulerian trees with respect to number of positive and negative signs and the generating function M(u, v) of Eulerian maps wi...

Ngày tải lên: 07/08/2014, 06:20

14 311 0
Báo cáo toán học: " The structural and optical properties of GaSb/InGaAs type- quantum dots grown on InP (100) substrate" ppt

Báo cáo toán học: " The structural and optical properties of GaSb/InGaAs type- quantum dots grown on InP (100) substrate" ppt

... the height of GaSb/In 0.53 Ga 0.47 As QDs. (a) The AFM image of GaSb/In 0.53 Ga 0.47 As QDs, (b) histogram of the height of GaSb/In 0.53 Ga 0.47 As QDs, and (c) the STEM image of GaSb/In 0.53 Ga 0.47 As ... dependence of the PL peak energies over the third root of the excitation density [20]. The inset of Figure 3b shows the linear dependence of the PL peak energies...

Ngày tải lên: 20/06/2014, 20:20

12 579 0
Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx

Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx

... elements of Zn, Mn, O, and adventitious C (a). The high-resolution XPS spectra of Zn (b) and Mn (c) species. Figure 4. Illustration of the formation process. Figure 5. Raman scattering (a) and ... becomes deeper and deeper with increasing Mn. The phase purity and crystal structure of the pristine ZnO and Mn-doped ZnO for various doping levels have been analyzed...

Ngày tải lên: 20/06/2014, 20:20

20 402 0
Báo cáo toán học: "Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." docx

Báo cáo toán học: "Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." docx

... Identification of components Identification of oil components was achieved on the basis of their retention indices (RI) (determined with reference to a homologous series of normal alkanes), and by ... with inhibition zones of 29, 27, 23, and 20 mm, respectively. Modest activities were observed against E. coli and Pseudomonas aerugenosa with inhibition zones of 15...

Ngày tải lên: 20/06/2014, 20:20

13 455 0
Báo cáo toán học: "Antioxidant, antimicrobial, and theoretical studies of the thiosemicarbazone derivative Schiff base 2-(2-imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide (IMHC)" potx

Báo cáo toán học: "Antioxidant, antimicrobial, and theoretical studies of the thiosemicarbazone derivative Schiff base 2-(2-imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide (IMHC)" potx

... incubation, 0.5 mL of the reaction mixture containing nitrite was pipetted and mixed with 1 mL of sulfanilic acid reagent (0.33% in 20% glacial acetic acid) and allowed to stand for 5 min for ... of some bioactive compounds such as ß-lactams [16–18], and employed as ligands for the complexation of metal ions [19]. SBs and their complexes are largely studied because they...

Ngày tải lên: 20/06/2014, 20:20

23 449 1
Báo cáo toán học: "Controllability Radii and Stabilizability Radii of Time-Invariant Linear Systems" pot

Báo cáo toán học: "Controllability Radii and Stabilizability Radii of Time-Invariant Linear Systems" pot

... in the end of Sec. 3. And we also answer for the 498 D. C. Khanh and D. D. X. Thanh The stabilizability radii of system (3.1) of the feedback matrix F with the pertubation on • both A and B are ... of Mathematics 34:4 (2006) 495–499 Short Communications Controllability Radii and Stabilizability Radii of Time-Inv ariant Linear Systems D. C. Khanh and D. D. X. Thanh Dept....

Ngày tải lên: 06/08/2014, 05:20

5 288 0
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