Influence of adsorption on the photocatalytic properties of tio2 AC composite materials in the acetone and cyclohexane vapor photooxidation reactions

... was dispersed inside the pore of support material (a) 3.3 Catalytic activities of Pt/SBA-15 in the oxidation of D-glucose The results of the oxidation of D-glucose carried out on Pt/SBA-15 catalyst ... Conclusions Figure HPLC-RID image of the products of D-glucose oxidation on PS-1 catalyst On the other hand, the reaction on Pt/SBA15 cat...

Ngày tải lên: 05/03/2014, 11:21

... rather than on the position of the mutation in the polypeptide chain, as demonstrated by the biophysical assays Our studies have provided additional contributions to the understanding of the effects ... charge of Tm The two other mutations (A63V and K70T) are located at the N-terminal region, far from the troponin binding region and occur at the g positio...

Ngày tải lên: 16/03/2014, 18:20

... by changing the distribution of interface states and the electron occupation on them In some cases, even the concentration of the adsorbed gas ions can be measured from the change of potential ... rather than the temperature dependence of adsorptionrdesorption kinetics of NO x gas region width, and e is the permittivity of the semiconductor From the cha...

Ngày tải lên: 20/03/2014, 13:04

... performed by the user software programmed under LabVIEW (NI) environments with a typical sampling rate of Hz Results and discussion 3.1 Thermal treatment effects on the material properties As-deposited ... Ar-annealing condition: the onset of recrystallization is around 550 ◦ C and the columnar crystals grow larger when an anneal temperature reaches above 600 ◦ C...

Ngày tải lên: 20/03/2014, 13:11

... direction of magnetic moment of A ions and magnetic moment of B1 and B2 ions Comparing MSt and MSe from Tab 2, we could determine the canting angle between magnetic moments of B1 and B2 ions in ... superparamagnetic properties of Ni -Zn ferrite for nano-bio fusion applications ware reported [13] In this paper we study magnetic and electric properties includi...

Ngày tải lên: 22/03/2014, 11:20

... Ao and At are the intensities of the band of intact protein at the beginning of trypsinolysis and at the fixed time of trypsinolysis) against the time of incubation (Fig 8D) The apparent rate constants ... are same as given in (A) Point mutations of the b5–b7 loop of human HSP22 their secondary structure and on superposition of the mammal...

Ngày tải lên: 23/03/2014, 07:20

... (Bui et aI., 2004) There were studies that only compare the effect of drying methods alone (Chan et aI., 2009); and also study on the optimization of extraction conditions on herbs (Chirinos ... 20 20 21 22 23 2.6 Effect of Extraction Methods on Antioxidant Activity of Herbs 2.6.1 Effect of Extraction Solvents 2.6.2 Effect of Extraction Time 2.6.3 Effect of...

Ngày tải lên: 05/05/2014, 08:39

... of fraction with the concentration levels of the pharmaceuticals diclofenac and carbamazepine In contrast, the toxicity of fractions 1, 3, and was probably caused by organic contaminants in additional ... solutions of the analytes and the internal standards were prepared both in methanol and hexane and stored at 7°C The working standard solutions were pre...

Ngày tải lên: 20/06/2014, 20:20

... line is a guide to the eye The position of SO phonon down shifts with the decrease in diameter; (b) Dependence of the position of the SO phonon from the diameter of the NWs The points represent ... broadening of the phonon peaks As shown in Figure 2, beside LO and TO phonon peaks, there is another phonon peak centered around 230.0 cm-1, which can be att...

Ngày tải lên: 21/06/2014, 01:20

... http://www.nanoscalereslett.com /content/ 6/1/161 function of the Nd concentration and the annealing temperature in relation with their microstructures The Nd- doped silicon- rich silicon oxide (SRSO) thin layers were synthesized ... emission of Nd3 + ions is more efficient while Si-np are formed, and while the Nd content is low (0.08 at.%) In such conditions,...

Ngày tải lên: 21/06/2014, 05:20

... resistivity The implication of the results is that the H2 in the forming gas is responsible for the improvement of the cell material Hydrogen atoms are able to passivate the interfaces of the Si ... times The contact resistance is small in comparison with the semiconductor sheet resistance, as shown in Fig Therefore, the reduction of series resistance is largel...

Ngày tải lên: 21/06/2014, 07:20

... of fraction with the concentration levels of the pharmaceuticals diclofenac and carbamazepine In contrast, the toxicity of fractions 1, 3, and was probably caused by organic contaminants in additional ... For the quantitation of the analytes, a 5-point (PAHs) and a 7-point (pharmaceuticals) internal standard calibration was used The limit of detection an...

Ngày tải lên: 21/06/2014, 17:20

... response calculations to study the effect of uniaxial tensile stress along the c axis on the mechanical and piezoelectric properties of short-period BTO/PTO superlattice We show the mechanical properties ... that the superlattice under the loading of uniaxial tensile stress along the c axis becomes soft along the nonpolar axes To illustrat...

Ngày tải lên: 22/06/2014, 00:20

... Sn#1000 Conversion/Selectivity (%) Conversion/Selectivity (%) ð1Þ The effects of the process of segregation and de-mixing of these rare earths on the SnO2 catalytic properties were studied and compared ... modification of the nanostructure and the basic sites of the particles Another phenomenon starts to occur on the surface of doped samples, a segrega...

Ngày tải lên: 22/06/2014, 01:20

... 3.8 Influence of the j2 potential on the capacity and cycle life of the negative plate The in¯uence of the potential, j2 during the second charge step on the cycle life and the capacity of the negative ... sulphation of the inner layers of the negative plate can be explained on the basis of the mechanism of PbSO4 reduct...

Ngày tải lên: 05/07/2014, 21:20