physical apparatus related parameters on chemical properties
influence of DC magnetron sputtering parameters on the properties of amorphous indium zinc oxide thin film y s jung
Ngày tải lên :
24/05/2014, 13:53
... additional oxygen gas The deposition power was kW The optical constants of the samples were not measured, but higher electron concentration may result in higher extinction coefficient and adsorption ... IR range may be due to the variation of dielectric functions of the films depending upon the deposition parameters The change of k values depending upon deposition Y.S Jung et al / Thin Solid Films ... investigation of the influence of DC magnetron sputtering parameters including deposition temperature, oxygen flow rate, sputtering power and sputtering gas, on the structural and physical properties...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
Ngày tải lên :
22/03/2014, 14:20
... zwitterionic constant, isoelectric point, titration curve and speciation fractions as a function of the pH, ionization pKa in the gas phase, ionization pKa in non-aqueous solution, gas phase electron ... Interaction 5.1.5 Hydrogen Bonding Interactions 5.2 Estimation of pKa in the Gas Phase and in non-Aqueous Solution 5.3 E1/2 Chemical Reduction Potential 5.4 Chemical Speciation 5.5 Hydration 5.6 ... Ionization pKa Constant Zwitterionic Constant Molecular Speciation Isoelectric Point Electron Affinity Ester Carboxylic Hydrolysis Rate Constant Hydration Constant Tautomer Constant E½ Chemical...
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Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
Ngày tải lên :
05/09/2013, 09:08
... effects of initial H2O2 concentration, initial pH of the solution and initial PCB concentration on the degradation of PCBs in water matrix - 10 - Journal of Water and Environment Technology, Vol.3, ... prepared for GC-ECD injection based on USEPA method 8080A Extraction was done using the Solid phase extraction method (EPA 3535) RESULTS Sampling on Contaminated sites PCB-containing transformer oils ... PCB solutions Effect of Initial PCB Concentration The results of the degradation of PCBs at different initial concentrations are shown in Figs and In all the initial PCB concentrations used,...
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Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
Ngày tải lên :
05/09/2013, 16:11
... Combustion Science 2005, 31(3), 242–281 [2] Naim M., Mervat A., Abd El-Kawi Non-conventional solar stills Part 1: Non-conventional solar stills with charcoal particles as absorber medium Desalination ... temperature and concentration dependent thermo -physical properties of humid air As ordinary Grashof number determines the natural convection heat transfer due to temperature differential alone, the complicated ... (Online) ©2012 International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 3, Issue 3, 2012, pp.409-434 _ Solar radiation...
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Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx
Ngày tải lên :
13/02/2014, 03:20
... nanoparticles For long deposition time, the concentration of Pt4+ in the electrolyte reduced significantly with time Therefore, there were more Fe2+ ions deposited on the Ti horn than Pt4+ ions As the ... cleavage The effects of ultrasonic radiation on chemical reactions are due to the very high temperatures and pressures, which develop in and around the collapsing bubble [14] Sonoelectrochemistry has ... under flowing argon N.H Luong et al / VNU Journal of Science, Mathematics - Physics 25 (2009) 1-7 3 Results and discussion The chemical composition of the Fe-Pt nanoparticles was controlled by adjusting...
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Tài liệu Báo cáo Y học: The effects of low pH on the properties of protochlorophyllide oxidoreductase and the organization of prolamellar bodies of maize (Zea mays) pot
Ngày tải lên :
22/02/2014, 04:20
... these conditions, hence the lack of reformation of POR-PChlide650 Addition of low concentrations of NADPH to PLB aged at pH 7.5 which show only limited structural reorganization, in contrast, ... to Fig NADPH concentration dependence of the photoconversion of PChlide to Chlide of PLB suspended in pH 6.5 assay medium (A) Changes in percentage photoconversion in response to one, two, and ... contribution of the pH-driven conformational changes from the other effects, a parallel study was carried out on the low-pH induced blue shift in the PChlide absorption maximum of nonphotoconverted...
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Báo cáo " Influence of cooling rate on the properties of Fe73.5Si13.5B9Nb3Au1 ribbons " docx
Ngày tải lên :
05/03/2014, 14:20
... amorphous ribbons is high As we well know, TC of the ferromagnetic material 40 m /s depends on exchange interaction and coordination number Exchange interaction depends on electron -2 configuration and ... corresponds to the crystallization of α-Fe(Si) phase and the second one is related to the forming of boride phase (Fig 2) When increasing cooling rate, the first peak (Tp1) and the second one (Tp2) ... influenced on the crystallization, magnetic properties and magnetocaloric effect of the ribbons The increase of cooling rate leads to increasing crystallization activation energy and crystallization...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
Ngày tải lên :
05/03/2014, 14:20
... the Fermi level, one electron from the ring should jump into the dot Conclusion In conclusion, we obtained the current expression as a function of the intradot Coulomb interaction and the AB phase ... equations, thus producing the closed set of equations To the truncation, we approximate the Green functions up to the second order of U This truncation ensures that most of the interaction effects ... clues to understanding the electronic properties of a variety of materials where the interactions between electrons are particularly strong The Kondo effect only occurs when the defects are magnetic...
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Báo cáo " Influence of laser parameters on the stationary operation of a two-mode random micro laser " pdf
Ngày tải lên :
14/03/2014, 13:20
... 139-142 Discussion and conclusion In the stationary operation of two-mode random microlaser, the variation of laser parameters influences clearly on the transformation of mode photon densities With ... on two modes almost is inverse The increase of photon intensity of one mode makes the decrease of the one of other mode The reason perhaps is due to the conservation of energy in the operation ... laser parameters on saturated values of mode photon densities, we vary one of parameters in table and remain invariable all the rest of parameters The obtained results are shown in Section 3 Influences...
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effect of processing parameters on pore structure and thickness of anodic
Ngày tải lên :
19/03/2014, 16:48
... oxidation and chemical dissolution The dynamic equilibrium of the oxide formation (highly dependent on the acid concentration and availability of oxygen ions) and dissolution (relatively constant ... anodization except for longer anodization time [31] The typical duration for second anodization ranges from 24 to 36 h A data acquisition board in conjunction with the LabVIEW program monitored the current, ... sulfuric acid concentration at the same voltage Oxide growth rate and its rate of dissolution partially depended upon concentration of sulfuric acid Higher electrolyte concentration increased oxide...
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Báo cáo " The impact of environment on morphological and physical indexes of Vietnamese and South Korean students " docx
Ngày tải lên :
22/03/2014, 09:20
... radiation of heat from the internal organs and muscles to the surface of the body Large body surface area increases the potential for convection, conduction, and evaporation In cold environments, ... Study: A Population-Based Study on the Variation in Bone Formation Markers with Age, Gender, Anthropometry and Season in both Men and Women, Journal of Osteoporosis International, Volume 12, ... location, geography, and climate: The marked difference of the location, geography, and climate between Korea and Vietnam, we believed that these different conditions have effect on human variation...
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Báo cáo khoa học: Solution parameters modulating DNA binding specificity of the restriction endonuclease EcoRV docx
Ngày tải lên :
22/03/2014, 16:20
... component The slow component is not a consequence of the assay Preliminary data indicate that the fraction of the slow component depends sensitively on solution conditions The 0.45 fraction of ... constant specic sequence DNA and protein concentrations We also performed equilibrium competition experiments under nonstoichiometric binding conditions In this case, the concentration of nonspecic ... in closed and opened conformations in solution; the existence of opened and closed conformations of another restriction endonuclease, BsoBI, in the solution was recently demonstrated [37] Work...
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Báo cáo " Effects of the conditions of the microemulsion preparation on the properties of Fe3O4 nanoparticles " pot
Ngày tải lên :
28/03/2014, 10:20
... higher concentration was broader than that of the peaks of sample with lower concentration That means high concentration produced large particles By controlling concentration, we could control ... aggregation of other nuclei to their surface until the final size was attained In conventional coprecipitation, size (d) can be controlled by concentration of reactants [5], pH and ionic strength ... different aqueous phase types – one containing metal ions (reactant A), the other, a precipitating agent (reactant B) The first one consisted of an aqueous solution of iron chloride salts (FeCl2.6H2O...
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evaluation of shape and size effects on optical properties of zno pigment
Ngày tải lên :
06/05/2014, 13:23
... morphology effects of ZnO pigments on their optical properties The synthesis conditions were according to our previous works [18,19] Typical synthesis conditions of ZnO powders synthesized in ... The concentration of zinc nitrate and potassium hydroxide solutions (Molar) Experimental 2.1 Preparation of pigments ZnO samples were prepared by hydrothermal method and used for the evaluation ... Science 270 (2013) 33–38 Table Synthesis conditions of hydrothermally synthesized ZnO pigments Morphology [Zinc solution]a [Hydroxide solution]a pH of final solution Temprature (◦ C) Time (h) Scale-like...
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Báo cáo hóa học: " Quantification of the effects of an alpha-2 adrenergic agonist on reflex properties in spinal cord injury using a system identification technique" pptx
Ngày tải lên :
19/06/2014, 08:20
... Isometric maximum voluntary conractions were determined by having subjects contract the ankle muscles maximally toward plantarflexion and dorsiflexion directions at neutral position (90°); torque and ... was considered as maximum voluntary contraction Range of motion Range of motion was determined with the subject's ankle attached to the motor The ankle range of motion was recorded using the goniometer ... ankle plantarflexion torque, which was always on the same side, was studied Apparatus The joint stretching motor device operated as a position control servo driving ankle position to follow a command...
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báo cáo hóa học: "Influence of a portable audio-biofeedback device on structural properties of postural sway" potx
Ngày tải lên :
19/06/2014, 10:20
... Parameterization Tc 10-1 10-2 10-1 100 101 Tc [s] Figure ABF on postural control strategy Effect of4 Effect of ABF on postural control strategy SDA diagrams for one representative subject Two conditions ... -20 -30 -40 * * ** COP parameters Acceleration parameter SDA parameters * Figure ABF on sway Effect of2 Effect of ABF on sway The percent change of using ABF on the sway parameters is shown COP-RMS ... peculiar, non-redundant role of different senses in multi-sensory integration for the control of posture [29] Whereas vision provides information about the external environment, it allows predictions...
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báo cáo hóa học: " Effects of the physiological parameters on the signal-to-noise ratio of single myoelectric channel" doc
Ngày tải lên :
19/06/2014, 10:20
... sustaining a contraction [18-20] Some modelling work on motoneuron firing patterns suggested that the range of the firing rate of the motoneuron during a steady contraction is to 50 pps [21] On the ... corresponding to muscle contraction level, its amplitude is usually assumed as constant for nonfatiguing, constant-force and -angle contractions However, estimate of ME signal amplitude is not constant ... purpose, this study only focuses on the physiological factor effect on the SNR regardless any additional noise Related analysis for the effect of the additional noise on ME control have been extensively...
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Báo cáo hóa học: " Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics" potx
Ngày tải lên :
20/06/2014, 23:20
... showed that compositional variation in these new BNZT solid solutions affected the crystal structure, phase transition, microstructure, and dielectric properties Conclusions In this research, ... a conventional solid-state sintering method XRD analysis revealed a complete solubility of Ti4+ ions into the B-site of Zr4+ ions for all compositions investigated Consequently, smaller ions ... that evaporation of Na and Bi might occur which often resulted in a formation of a second phase and compositional inhomogeneity Similarly, several investigations also found the mentioned loss leading...
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Báo cáo hóa học: " Colistin: recent data on pharmacodynamics properties and clinical efficacy in critically ill patients" pot
Ngày tải lên :
21/06/2014, 01:20
... biliary excretion has been reported The pharmacodynamic (PD) properties of colistin, such as minimal inhibitory concentration (MIC), mutation prevention concentration, population analysis profile, ... drug concentrations decreased after a peak at h, the mean colistin concentrations remained above mg/L after 12 h Serum concentrations of colistin reached their maximum at 1.5 h after inhalation ... lung concentration after nebulization was 2.8 μg/g After three consecutive CMS aerosols, peak tissue concentrations were found higher than MIC, indicating significant distal lung deposition In...
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