effect of plasma sprayed parameters on the characteristics of hydroxyapatite coatings

... of the solution inside the photoreactor were continuously monitored The adjustment of the pH of the solution was done using 1.0N NaOH and 1.0N H2SO4 The effect of the initial pH of the solution ... 2001) The dosage of H2O2 in the solution has a remarkable effect on the rate of degradation of the target pollutant When the initial H2O2 concentration is increased beyond the optimum level, the ... solutions The initial concentration of the solution being irradiated was also found to have significant effects on the rate of pollutant degradation as well as the kind and concentration of intermediates...

Ngày tải lên: 05/09/2013, 09:08

... penetration speed of mm/s Stress and strain of Determination of thermal denaturation baked meringue were calculated using the following equation: The thermal denaturation of EWP in the presence of ... characteristic of meringue, so might have only little impact on the structure of meringue bethe foaming capacity of EW was determined in the presence of cause of reasons The 1st reason is the absolutely ... EWP Thus, the position of OH groups of these sugars possibly has influence on the interaction meringues may relate to thermal denaturation of EWP Thus, thermal denaturation temperatures of EWP were...

Ngày tải lên: 24/08/2015, 20:41

... describes the mathematical model to optimize the system configuration for maximum distillate yield by considering the effect of various design and operating parameters on the performance and thermal characteristics ... heat of vaporization of water at the condenser surface of last stage (J/kg), h fgNs is latent heat of vaporization of water at the condenser surface of the last stage (J/kg), C pwNs is the specific ... June Figure shows the variation of global solar radiation and the ambient temperature for the months of July to December The maximum radiation occurs in the month of March of 955.56 W/m2 at 13:00...

Ngày tải lên: 05/09/2013, 16:11

... nanoparticles in the selective oxidation of glucose When the reaction was performed without pH control on PS-1 catalyst, the conversion decreased significantly The pH at the end of the reaction was about ... catalyst On the other hand, the reaction on Pt/SBA15 catalysts with pH control not only showed a high conversion, but also high D-gluconic acid selectivity This determined a good suitability of plantinum ... conversion of the reaction reached 87.67% when using HNO3 as oxidizing agent, but the selectivity of D-gluconic product is quite low The high oxidation ability with high acidity of HNO3 make the...

Ngày tải lên: 05/03/2014, 11:21

... 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 ... 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 ... For studying the influence of 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...

Ngày tải lên: 14/03/2014, 13:20

... than the change of n values The differences of n values in UV or IR range may be due to the variation of dielectric functions of the films depending upon the deposition parameters The change of ... which means the decline of crystallinity The Zn2q ions in the IZO thin films seem to increase the energy barrier for the diffusion of atoms in the film, and hence disturb the rearrangement of atoms ... enhance the lattice damage by the high-energy ions That might deteriorate the crystallinity of the films, and reduce the concentration of electrically active donor sites Fig 5c shows that the resistivity...

Ngày tải lên: 24/05/2014, 13:53

... 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 other ... contraction The major findings include: The SNR of a single ME channel is highly related to the stimulus intensity of the motoneuron, which carries the information of the voluntary contraction ... as the nonlinear processor, and the channel output is the convolution of the motor unit action potential (MUAP), m(t), with an innervation process u(t), which is the output of the motoneuron...

Ngày tải lên: 19/06/2014, 10:20

... depending on the magnetic 4π R3 volume of the NP, VM = and Kan is the magnetic anisotropy energy constant of the magnetic core of the NP Therefore, the heat dissipation of a magnetic hyperthermia ... value of In this way, the SAR can t be calculated using Equation 6, since all the remaining parameters are known Concentration effects When the concentration of a ferrofluid is increased, the ... interaction will become relevant and contribute to the magnetic properties of the ferrofluid Since some controversies exists in theoretical studies about the influence of the dipolar interaction on the...

Ngày tải lên: 21/06/2014, 03:20

... Grange, P & Su, B L (2003) Chemistry of silica at different concentrations of non-ionic surfactant solutions: Effect of pH of the synthesis gel on the preparation of mesoporous silica Microporous ... surfactant ratio and the pH of the synthesis gel can greatly influence the characteristics of the resulting materials as they generally control the formation of micelles during the synthesis.8 Hence, ... the fact that the PEO chain becomes dehydrated with increasing amounts of HCl or the presence of large amounts of C1– ions Therefore, for the partial dehydration of PEO units, the volume of the...

Ngày tải lên: 07/08/2014, 14:20

... are used The objective of this simulation is to show how the change in the DBR substrate will result in the difference of reflectivity For the simulation, we have used the thicknesses of the Al0.3Ga0.7N ... and n1, are the refractive indices of the substrate and the corresponding layer respectively, d1, is the geometrical thickness of the corresponding quarter wave layers and λ B is the target wavelength ... where ∆n is the difference in refractive index between the two DBR layers and neff is the effective refractive index of the mirror The effective refractive index is given by Effects of Si, Al2O3...

Ngày tải lên: 07/08/2014, 14:20

... Hence, the extent of moisture sorption of the cross-linked composite film was dependent on the proportion of alginate to copolymer and the moisture sorption ability of the individual polymer components ... ions which led to the disruption of cross-linkages and consequently the disintegration of films (Østberg et al., 1994) Thus, addition of the copolymers to alginate enhanced the stability of the ... gelation of κ-carrageenan by stabilization of the helical conformation of the polymer, through shielding of the charge of sulphate groups by Ca2+ (Watase and Nishinari, 1986) This phenomenon enabled...

Ngày tải lên: 14/09/2015, 17:43

... the pH of the medium used promoted interactions between Ca2+ and alginate The displacement of Ca2+ by H+ could be controlled by careful manipulation of the pH of the medium The FTIR spectra of ... by the negative effect of CO2 generated The detrimental effect of CO2 generation was further illustrated by the formation of stronger externally cross-linked films compared to the corresponding ... thickness On the other hand, evolution of CO2 from the reaction between H+ and CaCO3 resulted in the formation of abundant minute cavities, hence, contributing to volumetric increase of the internally...

Ngày tải lên: 14/09/2015, 17:44

... size fractions and the effect of microsphere size on the encapsulation properties and drug release characteristics was studied This would provide more conclusive evidence on the effects of alginate ... a strong influence of the polymer viscosity on the extent of cross-linking in the microspheres In film formation, the sodium alginate was in direct contact with the cross-linking solution while ... Significant differences between the t25% and the t50% values of each size fraction of microspheres further emphasized the pronounced effect of the microsphere size on drug release from alginate...

Ngày tải lên: 14/09/2015, 17:45

... that the assumption of complete carbon conversion was reasonable In the subsequent gasification experiments, the carbon conversion (Cconv) was used as a measure for the fuel conversion The Cconv ... complete carbon conversion The low CO concentration in the flue gas (

Ngày tải lên: 02/08/2016, 09:36

... to the reduction of the surface conductivity of the CNTs due to the oxidation process [8], and is similar for all the functionalized composites Further, the increase of surface area due to the ... effect of surface modifications of multi-walled CNTs on the electrical response of CNT/PVDF nanocomposites has been investigated The main effect of oxidation is a reduction of the composite conductivity ... the nanocomposites prepared with the different functionalized CNTs The reduction of the electrical surface conductivity of the CNT due to the oxidation process, together with an increase of the...

Ngày tải lên: 21/06/2014, 04:20

... Respiration showed, at the beginning of the experiment, a strong depression and later on a strong stimulation The significance of the differences to the control plants is indicated by the symbols ... plants of each species were determined before starting the incubation in the water bath (at the beginning of the growth period) and later subtracted from the mean weight of the plants after the ... strong reaction Net photosynthesis, stomatal conductance, transpiration and dark respiration were measured on fully expanded leaves of six seedlings growing under normal greenhouse conditions...

Ngày tải lên: 08/08/2014, 18:21

... acid-ammonium formate [49] when the entire grower-finisher period was included in the analyses rather than the grower period only In addition, the lack of a response on ADG to inclusion of organic ... (Table 3), the level of protein, an indicator of adequacy of protein in terms of quality and quantity in the diet [42], at the beginning of the trial was below the lower value of the reference ... by measuring the rate of formation of oxidized glutathione (GSSG) GPX catalyzes the reaction of GSH with synthetic cummene hydroperoxide to GSSG In the presence of NADPH and glutathione reductase...

Ngày tải lên: 12/08/2014, 18:22

... start of the study drug infusion) Page of 10 effect of unfractionated heparin and APC concerning aPTT [18] As therapeutic range enoxaparin has only minimal effect on prothrombin time and aPTT; the ... investigated in this model There were no signs of a systemic profibrinolytic effect of enoxaparin, or the combination of enoxaparin with DAA The lack of a profibrinolytic effect of enoxaparin or DAA ... D-dimer values of

Ngày tải lên: 14/08/2014, 07:21

... Psychoemotional aftermath With respect to the tsunami's psychoemotional aftermath, the full impact of the wave on the mental health of the survivors is still unknown [2] In February 2005 the World ... estimation about the force with which the victims were hit and swept away by the wave Antiinfective therapy Our intial choice of anti-infective therapy was a combination of a potent quinolone combined ... this unique cohort of patients, in particular with respect to complex wound management, infection and psychoemotional control According to the concept of a trimodal distribution of medical problems...

Ngày tải lên: 25/10/2012, 10:41