Báo cáo hóa học: " Effect of Growth Temperature on Bamboo-shaped Carbon–Nitrogen (C–N) Nanotubes Synthesized Using Ferrocene Acetonitrile Precursor" pot

... NANO EXPRESS Effect of Growth Temperature on Bamboo-shaped Carbon–Nitrogen (C–N) Nanotubes Synthesized Using Ferrocene Acetonitrile Precursor Ram Manohar Yadav Æ Pramod ... study focuses on the effect of variation of growth temperature on the microstructural features, nitrogen concentration, and the crystallinity of the nanotubes and the inter-rel...

Ngày tải lên: 22/06/2014, 01:20

... downshift in phonon frequency of LO and TO phonon peaks. Another one is the thermal anharmonicity effect caused by temperatu re change. Anharmonicity entails the parti- cipation of phonons at frequencies ... beam parallel to the c-axis of NWs at room temperature. As stated above, the phonon peaks on low energy side of LO phonon modes a re from SO phonon modes. Obviously, the SO p...

Ngày tải lên: 21/06/2014, 01:20

... annealing steps after deposi- tion to induce diffusion of excess silicon to nucleation sites. Conventionally, this has been done using a quartz tube furnace with an ambient gas of N 2 or N 2 +5%H 2 (i.e. ... 6:168 http://www.nanoscalereslett.com/content/6/1/168 Page 3 of 12 NANO EXPRESS Open Access Effect of thermal treatment on the growth, structure and luminescence of nitr...

Ngày tải lên: 21/06/2014, 05:20

... orientation of nanotubes is largely dependent on the local geometry of the substrate. This was further confirmed by the orientation of CNTs near the edge of the substrates. Most of the nanotubes ... C 2 H 2 –NH 3 composition [23]. Presence of nitrogen in the plasma assures the formation of bamboo-structure causing enhancement in bulk diffusion of carbon in metal (Fe) cata...

Ngày tải lên: 22/06/2014, 01:20

... using a walker on the level walkway; 2) 80% of this CWS; 4) 90% of this CWS; and 4) 110% of this CWS. The order of the walking conditions on the treadmill was randomized. Average gait speed on ... speed-independent marker of steadiness and fall risk. Table 3: Effects of gait speed on spatio-temporal characteristics of gait in PD and controls on a motorized treadmill...

Ngày tải lên: 19/06/2014, 10:20

... these acceleration thresholds, but also the effect of the loss of sensory information and its repercussions to balance con- trol. It is believed because of aging and loss of sensory information, the ... modeling of lateral acceleration threshold vs perturbation time The position of the plate and the acceleration of the plate are related by the time of the movement itself u...

Ngày tải lên: 19/06/2014, 10:20

... population requires additional testing. Conclusion In view of its established safety profile, the current results provide the rationale for further testing of pioglitazone in autism and other forms of ... receptor Journal of Neuroinflammation 2007, 4:3 http://www.jneuroinflammation.com/content/4/1/3 Page 2 of 7 (page number not for citation purposes) Introduction Autism, the most co...

Ngày tải lên: 19/06/2014, 22:20

... evaluation of hypobetalipoproteinemia in a cohort of 772 firefighters and cross-sectional evaluation of hypocholesterolemia in 1,479 men in the National Health and Nutrition Examination Survey ... measures to avoid such hazardous health effects that might endanger firefighters under their highly drastic working conditions. Conclusion: Besides using of personal protective equipments...

Ngày tải lên: 20/06/2014, 00:20

... interests. Authors' contributions MP: served as a project lead, contributing substantially to conception, design, and collection of data, analysis and interpretation of data, and wrote the fist draft of the ... maximum (1RM) in eccentric contraction on the isotonic (concentric/eccentric) leg extension machine. Subject was positioned on the leg extension device and the anatomica...

Ngày tải lên: 20/06/2014, 01:20

... valuation or an effect of the elicitation procedure? Medical Decision Making 2000, 20:62-71. 9. Dolan P, Kahneman D: Interpretations of utility and their implications for the valuation of health. ... measuring persons’ ability to adapt Principal component analysis of the three indicators of persons’ ability to adapt (Personal control, Self-esteem, and Optimism) could be aggregated...

Ngày tải lên: 20/06/2014, 15:20