sensitivity properties of a novel no2 gas sensor based on mesoporous wo3 thin film
sensitivity properties of a novel no2 gas sensor based on mesoporous wo3 thin film
... Sensors and Actuators B 96 (2003) 219–225 Sensitivity properties of a novel NO 2 gas sensor based on mesoporous WO 3 thin film L.G. Teoh a , Y.M. Hon a , J. Shieh b , W.H. Lai a , M.H. Hon a, ∗ a Department ... NO 2 gas sensors based on mesoporous WO 3 thin film to detect small concentration of NO 2 at low operating temperatures. Li and Kawi [13] have...
Ngày tải lên: 20/03/2014, 13:07
a selective nh3 gas sensor based on fe2o3–zno nanocomposites at room temperature
... detect the ammonia gas whose concentra- tion was as low as 1 ppm [12]. But the working temperature was as high as 350 ◦ C. Recently, Ivanovskaya et al. suggested that a sensor based on ␣-Fe 2 O 3 /In 2 O 3 nanocomposites ... Selectivity of the gas sensor based on pure ZnO nanoparticle. H. Tang et al. / Sensors and Actuators B 114 (2006) 910–915 913 Fig. 5. Selectivity of...
Ngày tải lên: 19/03/2014, 16:47
Báo cáo khoa học: "Introduction of a new paraphrase generation tool based on Monte-Carlo sampling" potx
... that is based on transformation rule application in section 2. In section 3 we propose a paraphrase generation method for this paradigm based on an algorithm used in two-player games. Section ... future research tracks to improve para- phrase generation tools. 2 Statistical paraphrase generation using transformation rules The paraphrase generation problem can be seen as an explorati...
Ngày tải lên: 17/03/2014, 02:20
ammonia gas sensor based on electrosynthesized polypyrrole films
... 5a indi- cates an increase of the sensor s conductance. This modification of conductance can be attributed to the desorption of ammonia from sensitive layer. Among to this electrical variation ... al. / Talanta 78 (2009) 199–206 Fig. 1. (a) Experimental set-up used for the analysis of NH 3 vapors and (b) schematic drawing of the ammonia gas sensor. 2. Experimental 2.1. Fabricat...
Ngày tải lên: 19/03/2014, 16:47
room-temperature semiconductor gas sensor based on nonstoichiometric tungsten oxide nanorod film
... operation, which are unattainable by the conventional materials. The major drawback, however, remains due to difficulties in mass pro- duction of sensors based on individual 1D nanostructures. Alternative ... ratio. One-dimensional ͑1D͒ nanostructures with high surface- to-volume ratio and small grain size have attracted much current attention as candidate materials for solid-state gas...
Ngày tải lên: 20/03/2014, 13:07
room-temperature semiconductor gas sensor based on nonstoichiometric
... operation, which are unattainable by the conventional materials. The major drawback, however, remains due to difficulties in mass pro- duction of sensors based on individual 1D nanostructures. Alternative ... ratio. One-dimensional ͑1D͒ nanostructures with high surface- to-volume ratio and small grain size have attracted much current attention as candidate materials for solid-state gas...
Ngày tải lên: 20/03/2014, 13:07
Báo cáo khóa học: Functional properties of the protein disulfide oxidoreductase from the archaeon Pyrococcus furiosus A member of a novel protein family related to protein disulfide-isomerase doc
... Thermoplasma volcanium. Proc.NatlAcad.Sci.USA97, 14257–14262. 49. Kawarabayasi, Y., Hino, Y., Horikawa, H., Yamazaki, S., Hai- kawa,Y.,Jin-n.,o,K.,Takahashi,M.,Sekine,M.,Baba,S., Ankai, A. , Kosugi, ... K., Takahashi,M.,Sekine,M.,Baba,S.,Ankai ,A. ,Kosugi,H., Hosoyama, A. , Fukui, S., Nagai, Y., Nishijima, K., Otsuka, R., Nakazawa, H., Takamiya, M., Kato, Y., Yoshizawa, T., Tanaka, T., Kudo...
Ngày tải lên: 16/03/2014, 16:20
effects of dimensions on the sensitivity of a conducting polymer microwire sensor
... concentration of the methanol was calculated from 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 ... sensitivities 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 t...
Ngày tải lên: 19/03/2014, 16:48
novel hexagonal wo3 nanopowder with metal decorated carbon nanotubes as no2 gas sensor
... A vailable online at www.sciencedirect.com Sensors and Actuators B 133 (2008) 151–155 Novel hexagonal WO 3 nanopowder with metal decorated carbon nanotubes as NO 2 gas sensor Csaba Bal ´ azsi a, ∗ , ... successfully prepared by acidic precipitation from a sodium tungstate solu- tion. TEM analysis of nanopowders showed that the average size of hexagonal nanoparticles was 50–100...
Ngày tải lên: 20/03/2014, 13:05
Tài liệu Báo cáo khoa học: Isolation and molecular characterization of a novel D-hydantoinase from Jannaschia sp. CCS1 docx
... isopropyl-b-d-thiogalacto- pyranoside at a final concentration of 1 mm. Bacterial strains and culture conditions E. coli strain DH 5a was used for the cloning and amplifica- tion of all constructed plasmids. ... expression of DCase [31], which confers more application advantages to HYD Js as a single set of chaperones can assist soluble expression of both HYD Js and DCase. Althou...
Ngày tải lên: 18/02/2014, 08:20