synthesis and high gas sensitivity of tin oxide nanotubes
synthesis and high gas sensitivity of tin oxide nanotubes
... www.sciencedirect.com Sensors and Actuators B 131 (2008) 313–317 Synthesis and high gas sensitivity of tin oxide nanotubes G.X. Wang a,b,∗ , J.S. Park b , M.S. Park b , X.L. Gou a,b a School of Mechanical, Materials and ... extending to tens of micrometers. SnO 2 nanotube sensors exhibited high sensitivity towards ethanol gas. © 2007 Elsevier B.V. All rights re...
Ngày tải lên: 20/03/2014, 13:08
facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres
... based gas sensors attracted more and more attentions [2,3]. Nanostructures of well-established gas sensing materials like tin oxide [4–6], zinc oxide [7], tungsten oxide [8–10], titanium oxide [11,12], ... considered as good candidates for gas sensing applications due to their large surface area-to-volume ratio and the size effect. Since the report of enhanced gas se...
Ngày tải lên: 19/03/2014, 16:48
gas - sensing properties of tin oxide doped with metal oxides and carbon
... press as: N. Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petroleum gas, Sens. Actuators B: Chem. ... press as: N. Van Hieu, et al., Gas- sensing properties of tin oxide doped with metal oxides and carbon nanotubes: A competitive sensor for ethanol and liquid petroleu...
Ngày tải lên: 19/03/2014, 16:48
Báo cáo " Sol-gel synthesis and particle size characterization of CdSe Quantum dots " ppt
... synthesis. Bottom-up approaches such as those using surfactants or micelles as the regulating agents are very effective for the synthesis of one-dimensional nanostructure because of their high ... where E g (a) is the effective band gap of QDs with radius of a, the band gap E g , Bohr exciton radius a B and Bohr exciton energy * y R are the specific parameters of bulk m...
Ngày tải lên: 14/03/2014, 13:20
Báo cáo Y học: Cellular stresses profoundly inhibit protein synthesis and modulate the states of phosphorylation of multiple translation factors potx
... immunoblotting using antibodies for eIF4E and 4E-BP1. The positions of migration of eIF4E and 4E-BP1 are indicated. 4E-BP1 generally appears as two bands corresponding to the a and b species of 4E-BP1. The ... that the dephosphorylation of 4E-BP1 and the inactivation of p70 S6 kinase caused by hydrogen peroxide and sorbitol are due to impairment of the function of mTOR...
Ngày tải lên: 18/03/2014, 01:20
microstructure characterization and no2 sensing properties of tungsten oxide
... supersaturation oftungsten source, promoting the growth of tungsten oxide nanowires [23]. At higher concentration, the highly saturated WCl 6 could prohibit the growth of tungsten oxide nanowires ... Response time and recovery time of tungsten oxide nanowires and nanosheets to 5 ppm NO 2 as a function of operating temperature. value after NO 2 removal, indicating a good reve...
Ngày tải lên: 20/03/2014, 13:04
Báo cáo "Design of phase-coded transmitter and high sensitive receiver of radar system " doc
... The first and second stages have output power of 45 W and 90 W, corresponding, of a standard input 300 mW. Fig. 6 shows arrangement of facilities in measurement that consists of high quality ... as a device for detection, ranging and recognition of variety of targets. Because of great diversity of applications in military and civil, the designing of radar system i...
Ngày tải lên: 22/03/2014, 11:20
hydrothermal synthesis and humidity sensing property of zno nanostructures
... frequency (Hz) and C f sensitivity factor of the crystal (56.6 Hz cm 2 /g). 3. Results and discussion 3.1. Morphological, structural properties and chemical composition of ZnO and In(OH) 3 nanocomposite ... 3d 3/2 ), which are characteristic of In(OH) 3 and verify the presence of indium hydroxide. Since in the XPS spectra of the samples, no peak shift of Zn 2p, O 1s a...
Ngày tải lên: 06/05/2014, 13:24
Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-affinity substrate for H+/peptide cotransporters pdf
... sug- gesting a competitive mode of action. Uptake of Bip-[ 3 H]Pro by SKPT cells After characterization of Bip-Pro as a very high- affin- ity and enzymatically stable substrate of PEPT1 and PEPT2, ... parameters and transport characteristics of Bip-[ 3 H]Pro. Results and Discussion Synthesis, chemical characterization and stability of Bip-Pro Figure 1 shows the structur...
Ngày tải lên: 07/03/2014, 05:20
Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application
... at λb 700 nm [20]. The difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH 4 gas flow. The reduction of reflectance is very helpful to ... property of SiNWs, a FE-SEM observation was carried out after synthesis of SiNWs. Fig. 1(b) shows the top- view (15° tilted) and cross-section (see inset of Fig. 1(b)) FE-SE...
Ngày tải lên: 16/03/2014, 15:12