Báo cáo hóa học: " Boron and Nitrogen Doped Single walled Carbon Nanotubes as Possible Dilute Magnetic Semiconductors" doc

... NANO EXPRESS Boron and Nitrogen Doped Single walled Carbon Nanotubes as Possible Dilute Magnetic Semiconductors Frank J. Owens Received: 31 May 2007 ... the authors 2007 Abstract The structure of single walled armchair and zig-zag carbon nanotubes having 70 atoms and two carbons replaced by boron or nitrogen is obtained at minium energy using ... such...

Ngày tải lên: 22/06/2014, 18:20

... LEFTY1, and TDGF1, and 2 genes upregulated in EB: HAND1 and GATA5, and 1 gene upregulated in adult cells: NFIB. In addition, the levels of another hES cell marker Nanog was also measured. The ... lymphoblastoid cell line was used as the reference for the miRNA expression array assay. The test sample was labelled with Hy5 and the reference with Hy3. After labelling, the sample a...

Ngày tải lên: 18/06/2014, 15:20

... Care and Public Health Research Institutes, University of Maastricht, Maastricht, the Netherlands, 2 Department of Clinical Epidemiology and Medical Technology Assessment, Academic Hospital, Maastricht, ... Republic, Denmark, France, Germany, Italy, the Netherlands and Poland), North America (Canada and the United States) and Oceania (Australia and New Zea- land), with patients w...

Ngày tải lên: 18/06/2014, 18:20

... method was adopted to measure the electrical resistivity. The apparent density of the screen-printed Ag nanopaste depending on the sintering temperatures was calculated from the precise volume and mass ... test. As the sintering temperature increased from 150°C to 300°C, the apparent density and the adhesion increased by 22.7% and 43%, respectively. It is confirmed that the printed Ag...

Ngày tải lên: 21/06/2014, 17:20

... nanopaste drastically changed from discrete and spherical Ag nanoparticles to continuous and con- solidated ones. Figure 5 plots the variation in the apparent density of the Ag nanopaste as a ... method was adopted to measure the electrical resistivity. The apparent density of the screen-printed Ag nanopaste depending on the sintering temperatures was calculated from the precise volume...

Ngày tải lên: 21/06/2014, 17:20

... important and has a substantial influence on the rate of reaction and the morphology or size of synthesized SiC. At present, carbon source such as active carbon, carbon nanoparticles and carbon nanotubes ... reaction of SiO 2 and carbon to generate SiO gas and CO gas according to reaction (2). SiO 2 ðs) + C (s) ! SiO (g) + CO (g) ð2Þ Then, the generated gaseous SiO react...

Ngày tải lên: 22/06/2014, 00:20

... benzoic acid, P-MWNTs, and PPA were placed in resin flask equipped with a mechanical stirrer, and nitrogen inlet and outlet. The mixture was heated to 130 °C for 3 h, and P 2 O 5 was then added into ... (99% purity) and 6-aminocaproic acid (6-amino hexanoic acid) (99% purity) were purchased from Aldrich and Sigma, respectively, and used as received. Extra pure formic acid was...

Ngày tải lên: 22/06/2014, 01:20

... science, and engineering. Molecular self-assem- bly systems lie at the interface of these disciplines and many self-assembling systems have been developed. Self-assembled monolayers (SAMs) are a class ... the overlayer can be reasonably assumed and then thickness of the overlayer can be determined. Refractive indices as 3.8650 for Si substrate, 1.4605 for the SiO 2 layer and 1.4600...

Ngày tải lên: 22/06/2014, 18:20

... Mathematical Analysis and Applications 183 (1994), no. 1, 118–120. 10 Weak and strong convergence Since  ∞ n=1 γ i n <∞,foralli=1,2, , N,wehaveδ x ∗ n →0asn→∞ and hence S n,m x ∗ −x ∗ →0 as n →∞.Observethat a n+m (t) ... {s n } such that s n j → 0 as j →∞, then s n → 0 as n →∞. Lemma 2.2 (Xu [17]). Let p>1 and R>0 be two fixed numbers and E a Banach space. Then E is...

Ngày tải lên: 22/06/2014, 22:20

... networks. She has served as an Associat Editor for the IEEE Transactions on Image Processing (2000–2003). She is currently serving as the Associat Editor for the IEEE Transactions on Circuits and Systems ... the VLC. For the low pass band, a Hu- Tucker code is chosen for the reasons exposed in Section 5. For this subband, it appears that the Hu-Tucker code has the same edl as the Huffm...

Ngày tải lên: 22/06/2014, 23:20