Báo cáo hóa học: " Effect of Purity and Substrate on Field Emission Properties of Multi-walled Carbon Nanotubes" pdf

... of as-grown MWNT, (b) Raman spectrum of purified MWNT Nanoscale Res Lett (2007) 2:331–336 333 123 NANO EXPRESS Effect of Purity and Substrate on Field Emission Properties of Multi-walled Carbon ... electronic contact between the CNTs and the macroporous carbon paper. The graphitized carbon paper was prepared by deposition of a mixture of carbon black an...

Ngày tải lên: 22/06/2014, 18:20

... cryopreservation of their embryos to document clinical improvement and resolu- tion of symptoms. When there was no laboratory evi- dence of haemoconcentration, pelvic fluid collections had cleared, and ... population. In conclusion, this descriptive study finds conservative application of elective embryo cryopreservation to be a useful component of OHSS prophylaxis. High deliver...

Ngày tải lên: 20/06/2014, 07:20

... Tiryaki, On the equation ˙x  Atx,” Mathematica Japonica, vol. 33, no. 3, pp. 469–473, 1988. 2 J. Rodriguez and D. L. Etheridge, “Periodic solutions of nonlinear second-order difference equations,” Advances ... Numerical Methods and Application, vol. 181 of Mathematics in Science and Engineering, Academic Press, Boston, Mass, USA, 1988. 6 S. N. Elaydi and W. A. Harris Jr., O...

Ngày tải lên: 22/06/2014, 11:20

... terms of sum rate for the games G and  G and also study their convergence properties. Each of the values is averaged over 50000 channel and power realizations, and two specific scenarios are considered: g 1 g 2 < ... a separation in signal space without requiring any additional system information. The region of achievable partitioning, as defined in Theorems 6 and 7, may c...

Ngày tải lên: 21/06/2014, 22:20

... and α n ,β n ∈ a, b ⊂ 0, 1. Then the sequence {x n } strongly converges to a fixed point of T. 8 Journal of Inequalities and Applications Definition 3.5. Let K be a nonempty convex subset of ... →∞ distx n ,Tx n 0by4.9.ByLemma 4.5, ω w x n  consists of exactly one point and is contained in FT. This shows that {x n }Δ-converges to an element of FT. 5. Strong Conver...

Ngày tải lên: 22/06/2014, 02:20

... derivatives and convexity We introduce the following class of admissible functions. Definition 4.1. Let Ω be a set in C and q ∈Q 1 ∩H. The class of admissible functions Φ Sc Ω,q consists of those ... the subclass of HU consisting of functions of the form fza  a n z n  a n1 z n1  ···. We will write H≡H1, 1. Denote by A the subclass of H0, 1 consisting of norm...

Ngày tải lên: 22/06/2014, 03:20

... Gaussian pdf. Since the product of Gaussian pdfs (as in (24 )and( 26)) and marginalization of a Gaus- sian pdf (as in (22), (23), and (27)), results in a Gaussian pdf again, all forward and backward ... summarizes the operation of the detector. 4.2.2. Estimation The estimation phase corresponds to the SP operation on the nodes p( ¯ H)andp( Y | A, ¯ H). At the beginning of...

Ngày tải lên: 22/06/2014, 23:20

... passivation to block the elec- trons emission of ZnO nanorods under electronic field. The surface passivation increases to completely deplete the electrons emission of ZnO nanorods with the increase of ZnO(OH) x on ... of ZnO(OH) x on the surface of ZnO nanorods. The result indicates that field emission properties were not observed on the ZNA at the glucose concentration...

Ngày tải lên: 21/06/2014, 20:20

... psychopathology correspond to improvements in quality of life and, conversely, to inves- tigate the effect of a deterioration or persistence of mental problems in terms of their impact on burden of disease. The ... impact of changes in mental health on HRQOL in a longitudinal design and it provides some indication of directionality. Future stud- ies should consider more...

Ngày tải lên: 18/06/2014, 19:20

... control of the final phase of the movement on the basis of visual information about relative target and hand locations [9,16,17]. Surprisingly, the effect of the difficulty of the task (and hence of ... update of the i nitial hand moto r plan on the basis of an accurate encoding of the target location [13-15] and (i i) an accurate control of the final phase of...

Ngày tải lên: 19/06/2014, 08:20