one - step fabrication of a polyaniline nanofiber vapor sensor
one - step fabrication of a polyaniline nanofiber vapor sensor
... polymer nanofibers. A small amount of an aqueous solution containing aniline, a dopant, and an oxidant was placed on an interdigitated electrode array. Ultraviolet (UV)-irradiation of the solutions affected ... Sensors and Actuators B 134 (2008) 31–35 Contents lists available at ScienceDirect Sensors and Actuators B: Chemical journal homepage: www.elsevier.com/locate/snb One- step...
Ngày tải lên: 20/03/2014, 13:05
Fabrication of a porous polyimide membrane using a silicon nanowire array as a template
... Fabrication of a porous polyimide membrane using a silicon nanowire array as a template Woong Kim ⁎ , Myung-Ki Lee Department of Materials Science and Engineering, Korea University, ... environmentally hazardous materials, and as in- sulating materials with low dielectric constants [1–4]. It has also been recently demonstrated that porous polymer membranes can be used as templates...
Ngày tải lên: 16/03/2014, 15:10
effects of dimensions on the sensitivity of a conducting polymer microwire sensor
... of these five types of sensors. 6. Statistical analysis of sensing data Based on the method of least square [27], a statistical program SAS has been run to fit the data points for further analyzing the sensing ... the ratio between the mass of methanol and that of air inside the test chamber. The same applied to acetone. The concentrations of methanol vapor ranged from 1.3 to...
Ngày tải lên: 19/03/2014, 16:48
sensitivity properties of a novel no2 gas sensor based on mesoporous wo3 thin film
... Hon a, ∗ a Department of Materials Science and Engineering, National Cheng Kung University, 1 Ta-Hsueh Road, Tainan 70101, Taiwan, ROC b National Nano Device Laboratories, 100 1-1 Ta-Hsueh Road, Hsinchu ... film to detect small concentration of NO 2 at low operating temperatures. Li and Kawi [13] have shown that a linear relationship was found between the surface areas of SnO 2 se...
Ngày tải lên: 20/03/2014, 13:07
Design, fabrication, and characterization of a solenoidsystem to generate magnetic field for an ECR proton source
... is capable of producing off-resonance, mirror, and flat magnetic field configurations. A mirror ratio of 1·1 and a maximum flat field of 1400 G has been obtained. The measured values and the design values ... diffusion of the plasma particles to the wall of the plasma cham- ber. The measured magnetic field profiles along the axial distance for (a) mirror magnetic field, and (b) flat magn...
Ngày tải lên: 22/12/2013, 08:58
Báo cáo khoa học: Proper targeting and activity of a nonfunctioning thyroid-stimulating hormone receptor (TSHr) combining an inactivating and activating TSHr mutation in one receptor pptx
... 995048, E-mail: mtonacchera@hotmail.com Abbreviations: bTSH, bovine TSH; FACS, fluorescence-activated cell scanning; FSH, follicle stimulating hormone; G q -alpha, G-protein q alpha; G s -alpha, G-protein ... EIA, using a monoclonal antibody directed against the extracel- lular domain of the TSH receptor (NCL-TSH-R2, Novo- castra Laboratories Ltd, Newcastle, UK) (data not shown), and by FA...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: Three-step hydroxylation of vitamin D3 by a genetically engineered CYP105A1 doc
... Kurokawa, Imizu, Toyama, Japan Fax: +81 766 56 2498 Tel: +81 766 56 7500 E-mail: tsakaki@pu-toyama.ac.jp Database Structural data are available in the Protein Data Bank database under the accession numbers ... containing R73V ⁄ R8 4A and FDX1 genes, with HindIII and PstI restriction sites, was prepared using the primers 5¢-ACCAAGCTTATGAAAAGATACCGCCAC- GACG-3¢ and 5 ¢-TTCTGCAGTCACCAGGTGACCGG-...
Ngày tải lên: 15/03/2014, 23:20
One dimensional organic nanostructures a novel approach based on the selective adsorption of organic molecules on silicon nanowires
... tris{2,5-bis(3,5-bis-trifluoro- methyl-phenyhl)-thieno}[3,4-b,h,n ]-1 ,4,5,8,9,12-hexaazatriphenyl- ene (THAP) and 9,10-phenanthrenequinone (PQ). The results are a non-selective adsorption of THAP across ... SiNWs/ Ag(110) surface by thermal evaporation ($480 K) from a quartz crucible at a rate of 0.5 Å/min. Deposition rate and thickness were estimated using a calibrated quartz c...
Ngày tải lên: 16/03/2014, 15:35
hydrothermal synthesis and crystal structure of a novel one - dimensional tritungstate
... molecular electronics, optical ma- wx terials and ceramics 1–4 . A promising synthetic route takes advantage of a low-temperature soft approach, hy- drothermal method, and the structure-directing ... 379–382380 Ž.wx Fig. 1. Packing view of C H N W O 1 along the b-axis. 2102 310 2.4. X-ray Crystallographic Studies X-ray crystallographic data of 1 were collected on a Siemens P4 diff...
Ngày tải lên: 19/03/2014, 16:48
The Design and Implementation of a Log-Structured File System
... log as the most up to date ‘‘truth’’ about the state of the data on disk. The main difference is that database systems do not use the log as the final repository for data: a separate data area is ... produce a particular overall disk capacity utilization. At each step, the simulator overwrites one of the files with new data, using one of two pseudo- random access patterns: Unifor...
Ngày tải lên: 12/09/2012, 15:05