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

Báo cáo

Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx

... 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 catalysts with pH control not only showed a high conversion, ... catalyst, the conversion decreased significantly The pH at the end of the reaction was about 2.7 This condition facilitated the formation of gluconolactone and disaccharide and inhibited the catalyst...
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Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx

Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx

... 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 position of the repeat The K70T mutation also ... stability of the mutant Tms The mutations did not affect the structure of the protein as there was no significant alteration in the function or in the amount of the secondary structure However, the mutations...
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influence of binders on the sensing and electrical characteristics of wo3-based gas sensors

influence of binders on the sensing and electrical characteristics of wo3-based gas sensors

... 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 charge neutrality condition between the ... ambient gas and the electrical resistance in NO x gas It is discussed, from these facts, that the binders affect the gas sensing characteristics of WO film through the modification of the chemical...
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thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

thermal treatment effects on the material and gas-sensing properties of room-temperaturetungstenoxidenanorodsensors

... 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 On the other hand, dry air and O2 anneal treatments ... with the two components corresponding to W6+ and W5+ oxidation states Table summarizes the parameters used in the deconvolution of W 4f XPS peaks, i.e the binding energy of the W 4f7/2 , FWHM and...
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Báo cáo

Báo cáo "Effects of Zn content on the magnetic and magnetocaloric properties of Ni-Zn ferrites " pdf

... 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 including canting structure of Ni -Zn ferrites ... lattice constant and volume of unit cell increase with Zn content in the samples due to larger ionic radius of Zn2 + ion (0.82 Å) substituted for Ni2+ ion (0.78 Å) The X-ray density, the real density...
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Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx

Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx

... 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 mammalian protein sequence on the 3D structure of already crystallized ... to provide new information on the structure of sHsp and to shed new light on their role in the development of human congenital diseases Point mutations of the b5–b7 loop of human HSP22 Results...
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EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS

EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS

... (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 Extraction Temperature 24 24 ... optimization of both drying and extraction methods on herb had not being studied, the main ·objective of this study was to study the effect of extraction and drying methods on antioxidant activity on...
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Báo cáo toán học:

Báo cáo toán học: " Influence of different flow conditions on the occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage treatment plant in Germany: an effect-directed approach" pot

... 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 prepared by further diluting the stock standard ... For the quantitation of the analytes, a 5-point (PAHs) and a 7-point (pharmaceuticals) internal standard calibration was used The limit of detection and the LOQ were calculated on the basis of...
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Báo cáo hóa học:

Báo cáo hóa học: " Effect of growth temperature on the morphology and phonon properties of InAs nanowires on Si substrates" doc

... 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 attributed to the SO phonons Such SO phonon modes ... 2a can be attributed to the LO and TO phonon mode of InAs NWs Except the downshift of their phonon frequency relative to InAs bulk material, the LO and TO phonon peaks of InAs NWs also show a larger...
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Báo cáo hóa học:

Báo cáo hóa học: " Effect of the Nd content on the structural and photoluminescence properties of silicon-rich silicon dioxide thin film" pdf

... 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, Nd3 + ions benefit from the sensitizing effect of Si-np and from the ... doi:10.1186/1556-276X-6-161 Cite this article as: Debieu et al.: Effect of the Nd content on the structural and photoluminescence properties of silicon- rich silicon dioxide thin films Nanoscale Research Letters 2011...
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Báo cáo hóa học:

Báo cáo hóa học: " Impacts of Post-metallisation Processes on the Electrical and Photovoltaic Properties of Si Quantum Dot Solar Cells" potx

... 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 largely due to the reduction of the ... a clear demonstration that the electronic band gap of the nanostructured material is enhanced due to the quantum confinement effect At present, the emphasis is on increasing Voc and the devices...
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báo cáo hóa học:

báo cáo hóa học:" Influence of different flow conditions on the occurrence and behavior of potentially hazardous organic xenobiotics in the influent and effluent of a municipal sewage " pdf

... 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 and the LOQ were calculated on the basis of ... directly as a function of flow conditions [6,7] Because alterations in flow conditions affect the chemical composition of wastewater in the influent and effluent of the STP in a number of ways, a significant...
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Báo cáo hóa học:

Báo cáo hóa học: " Influence of Uniaxial Tensile Stress on the Mechanical and Piezoelectric Properties of Short-period Ferroelectric Superlattice " potx

... 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 illustrate the change of chemical bonds with uniaxial tensile stress, ... by the conclusion of uniaxial tensile stress dependency of elastic constant c33 (see Fig 2b) Note that the polarization under uniaxial stress remains along the \001[ direction and that the piezoelectric...
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Báo cáo hóa học:

Báo cáo hóa học: "Influence of Rare Earth Doping on the Structural and Catalytic Properties of Nanostructured Tin Oxide" docx

... 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 segregation process of particles of metastable solid solution, ... on the morphology and properties of tin oxide Rare earth cations have, as yet, been little explored as tin oxide dopants for catalytic purposes However, the consensus is that their influence on...
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Influence of charge mode on the capacity and cycle life of lead±acid battery negative plates ppsx

Influence of charge mode on the capacity and cycle life of lead±acid battery negative plates ppsx

... 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 reduction to Pb and the dependence of PbSO4 solubility on the concentration of H2SO4 in the ... markedly in¯uences the capacity and cycle life of the plates The question arises whether the above effect is reversible Fig shows the capacity of the ME as a function of cycle number on charge with...
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