... (EMG) activity of the quadriceps [5,6], diminished EMG activity of the VMO in relation to that of the VL [7-9], and the delayed onset of VMO activation in relation to the VL [1012] caused by the ... extension at 90° of flexion, MVIC hip abduction at 0° of abduction, MVIC hip abduction at 30° of abduction) were obtained dividing the highest EMG value of the MVIC trials by the EMG value of a ... of flexion compared with the higher activity of the VLL at 15° of flexion, demonstrating that the VMO and VLO muscle have the same behavior suggesting a synchronic antagonist stability role of...
Ngày tải lên: 19/06/2014, 10:20
... mgZn/kg based on the uniform distribution of these metals in the sediments of the lake The higher concentration in the northwest part of the lake is probably due to reverse flow of the polluted Pasig ... untreated wastewater contained higher concentrations of lead and zinc The data on the metal concentration of wastewater in the Philippines is not available In the case of other countries, Karvelas ... Accuracy of the measurement was confirmed through the analysis of Laguna Lake samples, as shown in the result section of the paper In addition, the accuracy was also confirmed through the monitoring...
Ngày tải lên: 05/09/2013, 09:08
Báo cáo khoa học: Effect of magnesium ions on the activity of the cytosolic NADH/cytochrome c electron transport system pptx
... stimulatory effect depending on whether it is added to the incubation medium before or after the mitochondria The plurality and differential effects of magnesium ions on the activity of the respiratory ... by the respiratory chain is completely different from their effect on the oxidation of exogenous NADH Fig Effect of magnesium ions on both the content of endogenous cyto-c (A) and the binding of ... reductase activity and the oxidation rate of exogenous ferrocyto-c are correlated with the frequency of specific contact sites With regard to the effect of magnesium on the activity of the cytosolic...
Ngày tải lên: 23/03/2014, 06:20
Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
... 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
A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell
... [kg/(m⋅s)] The mass balance is described by the divergence of the mass flux through diffusion and convection Multiple species are considered in the gas phase only, and the species conservation equation ... rupture of the membrane Thermal management is also essential for the control of the water evaporation or condensation rates [1-3] The need for improved lifetime of air-breathing proton exchange ... tension (N/m) The liquid phase consists of pure water, while the gas phase has multi components The transport of each species in the gas phase is governed by a general convection-diffusion equation...
Ngày tải lên: 05/09/2013, 14:58
Indoor tests to investigate the effect of brine depth on the performance of solar still
... depth) The objective of this work is to investigate the effect of brine depth on the productivity and efficiency of solar still under laboratory conditions Table shows a summary of some of the studies ... turning the heaters off On the other hand, the still with the higher brine depth has a larger production during the period with no heat input (termed as nocturnal production in the outdoor tests) These ... HM Thermal performance of a single-sloped basin still with aninherent built-in additional condenser Desalination 142 (2002) 19-27 [13] Khalifa AJN, Hamood AM On the verification of the effect of...
Ngày tải lên: 05/09/2013, 16:10
Báo cáo khoa học: Protein stabilization by compatible solutes Effect of diglycerol phosphate on the dynamics of Desulfovibrio gigas rubredoxin studied by NMR docx
... increase the activation energy of the denaturing reaction would be an effective stabilizer This leads us to consider the possible effects of solute addition on the activation energy of the denaturing ... motions The effect is mostly in the longer time-scales and in the restriction of wider concerted motions, which encompass the structural reactions that allow protected amides to exchange with the ... positioned in the hairpin loop, the protein termini and the less structured region of residues 3436 [28], which is in agreement with a possible higher mobility of these regions The addition of DGP...
Ngày tải lên: 07/03/2014, 21:20
the importantce and effect of csr reporting on the performance of vietnam companies
... accountant of the company on the CSR of the company The question is to play a close look at the financial situation of the company and the impact of CSR activities to the financial operations of the ... indirectly, by the actions of the firm In the traditional view of the firm, the shareholders view, the shareholders or stockholders are the owners of the company, and the firm only addresses the needs ... activities of enterprises For example, with the introduction of the basis for Johnson & Johnson in 1943, Robert Johnson, founder and president of Johnson & Johnson, deserves to be called "father" of the...
Ngày tải lên: 13/03/2014, 14:20
Báo cáo khoa học: The antagonistic effect of hydroxyl radical on the development of a hypersensitive response in tobacco pot
... in Suppression effect of hydroxyl radical on HR ABA-pretreated leaves, although the formation of HR lesions in the PT zone lagged behind that seen in the PA zone, where the HR lesion could be ... and the control (ParA1 purification buffer), no HR-like lesion spots could be found, either in the light or in the dark (Fig 1A) To identify the most effective concentration of riboflavin for the ... compilation ª 2010 FEBS 5101 Suppression effect of hydroxyl radical on HR S Deng et al The EPR method, a reliable way to analyse the formation of OH• [48,49], was applied to the evaluation of the...
Ngày tải lên: 15/03/2014, 00:20
Effect of clay mineralogy on the feasibility of electrokinetic soil
... solution This occurs because the activity of sulfate ion is reduced by the formation of soluble MgSO4 complex The ion speciation based on Pitzer’s model (Gueddari et al., 1983) showed that the ion ... salts of noncontaminant cations, e.g., CaCl2, that compete with heavy metal cations for the exchange site In the Pakchong soil, the Cu(II) removal rate was the highest among the soils Total content ... contributed the result A significant reduction of Cu(II) content in the section neighboring the anode in the allophanic Choyo soil that showed the same pH value to the corresponding section of...
Ngày tải lên: 16/03/2014, 00:07
Effect of hydrogen peroxide on the destruction of organic contaminants synergism and inhibition in a con
... solution (type and concentration of organics, pH, presence of inorganic ions), the concentration of oxygen in the reaction solution, the magnitude of the intensity and wavelength of the UV light, the ... results for the concentration of hydrogen peroxide in the effluent as a function of its concentration in the feed solution It is clearly seen that when the concentration of hydrogen peroxide in the influent ... could increase the reaction rates or cause inhibition effects depending on its concentration in the reaction solution The results of all these studies suggest that the effect of hydrogen peroxide...
Ngày tải lên: 16/03/2014, 00:07
Effect of metal spiking on different chemical pools and chemically extractable fractions of heavy metals
... [18] Higher content of the F3 and F5 fractions of heavy metals could explain the lower concentration of heavy metals in F2 and F1 fractions [19] This might be ascribed to the presence of unoxidized ... bioavailability of these metals when the sludges are applied to soil However, application of sludge to the soil is also likely to result in changes in the distribution of metals among chemical pools Conclusion ... Adsorption of alkaline earth, transition and heavy metal cations by hydrous oxide gels of iron and aluminum, Soil Sci Soc Am J 40 (1976) 796–799 [22] J.W Murray, The interaction of metal ions at the...
Ngày tải lên: 16/03/2014, 00:07
The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films
... and the spectral shape are determined by the concentration ratio of these two components while the PL intensity is determined by the concentrations of these two components and the density of nonradiative ... 175–184 Therefore, the main role of hydrogen here is the effective passivation of nonradiative recombination centers 3.4 The effect of annealing times upon 400 8C annealing Fig The dependence of the ... increases their amount The actual PL is determined by both the concentrations of PL centers and of nonradiative recombination centers This leads to the much strong enhancement of PL in the case of FG...
Ngày tải lên: 16/03/2014, 15:31
Effect of tunneling current on the growth of silicon islands on si(111) surfaces with a scanning tunneling microscope
... reflection electron microscope (SREM ) The condition of the tungsten tip of the STM and the manipulation of the tip on the silicon surface could be monitored continuously with the SREM Details of the ... Therefore, the effect of the electron flow on the direction of atom movement is opposite to the effect of the decrease of the potential energy barriers for diffusion by the electric field, which is responsible ... check the final sharpness of the new tip apex, we created silicon islands with the STM and examined the quality of STM images of the islands Note that after the creation of islands with the STM, the...
Ngày tải lên: 16/03/2014, 15:32
Effect of Fund Size on the Performance of Mutual Funds Evidence from Iran pdf
... use of the existing opportunities In the article The Law for Development of New Financial Instruments and Institutions Based on the Overall Policies of the Principle 44 of the Constitution”, ... have the potential to convert the investments made by nonprofessional investors from a direct state to an indirect one and, in the wake of such conversion; they will bring about a wide range of ... the end of the month as a proportion of total market capitalization In this paper, a similar definition was used in which total net assets were calculated at the end of the month as a fraction...
Ngày tải lên: 16/03/2014, 17:20
EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS
... 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 ... only compare the effect of drying methods alone (Chan et aI., 2009); and also study on the optimization of extraction conditions on herbs (Chirinos et aI., 2007) Due to optimization of both drying ... 2006) The antioxidant activity of the plant extract were affected by extraction solvents, the pH of the solvent used, extraction time used, temperature of extraction process and particle size of the...
Ngày tải lên: 05/05/2014, 08:39
báo cáo hóa học: "Analysis of right anterolateral impacts: the effect of head rotation on the cervical muscle whiplash response" doc
... (time to onset of EMG and peak EMG) were referred to the solenoid of the piston firing The time of the peak accelerations of sled and head were measured Also, the time relations of the onset and ... acceleration used in the study The purpose of the regression analysis was to see if using the acceleration of the sled – one could predict the head acceleration and EMG response The regression analysis ... measured by dropping the ascending slope line on the base line The point of intersection of these lines was considered as onset of acceleration In the analysis, the sample of volunteers was collapsed...
Ngày tải lên: 19/06/2014, 10:20
báo cáo hóa học: " Analysis of right anterolateral impacts: the effect of trunk flexion on the cervical muscle whiplash response" potx
... al.: The effect of the initial position of the head and neck on the dynamic response of the human head and neck to Gx impact acceleration In Proceedings of the Nineteenth Stapp Car Crash Conference ... positions were randomly varied between the levels of acceleration Each subject effectively underwent levels of accelerative impacts under two conditions of trunk flexion, for one direction of impact ... in response to the applied acceleration were calculated Additionally, we also regressed the EMG magnitudes on acceleration The http://www.jneuroengrehab.com/content/3/1/10 responses of the left...
Ngày tải lên: 19/06/2014, 10:20
Báo cáo hóa học: " Effect of growth temperature on the morphology and phonon properties of InAs nanowires on Si substrates" doc
... image of the nanowire (e) High-resolution image of a portion of the nanowires The inset of (a) shows a higher magnification image of sample A; the inset of (b) is a top view image; the inset of ... confinement effect, which cannot explain the observed downshift in phonon frequency of LO and TO phonon peaks Another one is the thermal anharmonicity effect caused by temperature change Anharmonicity ... beam parallel to the c-axis of NWs at room temperature As stated above, the phonon peaks on low energy side of LO phonon modes are from SO phonon modes Obviously, the SO phonon peak shifts toward...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo hóa học: " Effect of thermal treatment on the growth, structure and luminescence of nitride-passivated silicon nanoclusters" pptx
... paths of secondary electrons and fluorescence photons at the absorption edges probed Information on the bulk of the film was provided by the TEY spectra at the Si K-edge and the FLY spectra at the ... composition As the silicon content is increased in the films, the absorption edge shifts to lower energies because of the increase of the Si-Si resonance peak at 1842 eV and reduction of the peak ... participated in the acquisition and analysis of RBS data as well as the acquisition of XANES data ENN participated in the acquisition of XANES data EC participated in the deposition of the ECR PECVD...
Ngày tải lên: 21/06/2014, 05:20