... equilibrium of 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 ... increase in acid concentration Concentration of the acids also influenced the pore size in a way that higher acid concentration increased the rate of oxidation than dissolution thereby decreasing ... dynamic equilibrium of the oxidation and dissolution rates It is proposed that the attenuation of the oxidation rate and the resulting limiting thickness is due to depletion of oxygen ions in the acid...
Ngày tải lên: 19/03/2014, 16:48
... silicon nanoparticles; SNOS: silicon-nitride-oxide-silicon; SONOS: silicon-oxide-nitride-oxide-silicon; SRSN: silicon-rich a-SiNx:H films; SRSN: silicon-rich silicon nitride Authors’ contributions ... regard, one of the best methods used for the evolution of Si-ncs in silicon nitride/oxide-based dielectrics is the high-temperature annealing of these films containing excess amount of Si One of the ... accumulation, depletion, and inversion regions in the C-V curves Except S4 (33 at.% of excess Si), all other capacitors exhibit a sharp transition from accumulation and depletion to inversion, indicating...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo khoa học: "Effect of drying treatments on warping of 36-year-old white spruce seed sources tested in a provenance trial" pot
... after Bonferroni correction when P < 0.0167 (0.05/3) df, degrees of freedom; dfn, degrees of freedom of the numerator; dfd, degrees of freedom of the denominator rij is the random effect of the ... random tree effect; it is assumed that sijk ~ N(0, σ2s); λl is the effect of the l-th log position (first or second log of the stem, l = 1, 2); (τλ)il is the effect of the interaction between ... populations, and this is the major source of variation that geneticists use in selection and breeding programs [37] Wood from plantations is generally considered as having a higher proportion of juvenile...
Ngày tải lên: 08/08/2014, 14:20
Tài liệu Báo cáo khoa học: Effect of ionic strength and oxidation on the P-loop conformation of the protein tyrosine phosphatase-like phytase, PhyAsr docx
... closed P-loop conformation is stable over a broad ionic strength range Structure of PhyAsr upon oxidation of the catalytic cysteine A systematic comparison of the open P-loop conformation in PhyAsr ... Journal compilation ª 2008 FEBS 3785 Effect of ionic strength and oxidation on PhyAsr R J Gruninger et al Comparison of contacts to the P-loop in the unoxidized and oxidized conformations To accommodate ... compilation ª 2008 FEBS R J Gruninger et al Effect of ionic strength and oxidation on PhyAsr A A R258 R258 C252 OCS 252 B B R258 R258 OCS252 C252 Fig (A) Conformation of the P-loop at low ionic strength...
Ngày tải lên: 18/02/2014, 18:20
Isoflavone levels and the effect of processing on the content of isoflavones during the preparation of soymilk and tofu
... Methods for extraction and analysis of soy isoflavones………………… 35 1.4.2 Concentration of isoflavones in soybeans and soy foods…… ………… 37 1.4.3 Effects of processing on isoflavone levels…………… ... the consumption of isoflavones can be regulated on the advice of a physician 1.4 SOY ISOFLAVONES - ANALYSIS AND PROCESSING EFFECTS 1.4.1 Methods for extraction and analysis of soy isoflavones ... mechanisms of action to explain the beneficial effects of isoflavones on bone loss include preventing urinary calcium loss, beneficial effects on osteoblasts and influences on the secretion of calcitonin...
Ngày tải lên: 16/09/2015, 08:31
Báo cáo y học: " Effect of Weight Reduction on Cardiovascular Risk Factors and CD34-positive Cells in Circulatio"
... examined consisted of severe calorie restriction along with vitamin supplements and administration of human chorionic gonadotropin (hCG), a hormone that encourages metabolic utilization of visceral ... Silveira A, Hansson LO, Pernow J, Ericsson CG, Hamsten A, Tornvall P Relation of hypertriglyceridemia to plasma concentrations of biochemical markers of inflammation and endothelial activation (C-reactive ... number of CD34-positive cells during treatment may provide an indicator of improvement of vascular health In our study, we analyzed the effect of weight loss on the improvement of lipid profile...
Ngày tải lên: 25/10/2012, 10:51
Effect of sensory education on school children’s food perception: A 2-yearfollow-up study
... touch feel of herbs -learning and description of the smell of ethnic spices -red and green chili sauce -recapitulation of contents of the earlier lessons -practical exercises on using one’s senses ... sessions one group of the children (N = 35) received a lesson on the sense of taste, another group (N = 34) received a lesson on the sense of smell and the third group (N = 40) received no lesson ... was present in one of the lessons in the first education wave For the control group the corresponding change was 0.56 (effect of education, p = 0.24) Mean change in the number of positive answers...
Ngày tải lên: 03/04/2013, 21:07
ảNH HƯởNG CủA MậT Độ GIEO TRồNG ĐếN CáC CHỉ TIÊU SINH Lý Và NĂNG SUấT CủA GIốNG BÔNG VN35KS Effect of Plant Density on Cotton Physiological Characters and Seed
... tr.106-108 Ashley D.A., Doss B.D., and Bennett O.L (1965) Relation of cotton leaf area index to plant growth and fruiting, Agronomy Journal 57, pp 61-64 Gomez K Wanchai A and Gomez Arturo A (1984) ... A (1984) Statistical Procedures for Agricuktural Research, Awiley Interscience Publication JOHN WILEY & SONS Michigan State University (1986) MSTATC: Microcomputer statistical program experimental ... lá/ngy) mật độ gieo trồng khác nhau, Ninh Thuận, vụ đông xuân năm 2008/2009 Hiu sut quang hp giai on (ngy sau gieo) Mt (vn cõy/ha) 46 - 55 56 - 65 66 - 75 76 - 85 2,5 8,68 8,69 7,42 6,84 5,0 6,61...
Ngày tải lên: 28/08/2013, 14:15
Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
... inhibiting effect on PCB degradation In this study, effective degradation was obtained at H2O2 concentration of about 2800 ml (of the 30%H2O2 solution) per liter and initial PCB concentration of about ... 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, ... study of Wang et al (2000) on the degradation of humic acids cited that, at a fixed concentration of hydrogen peroxide, increasing the humic acid concentration decreases the rate of degradation...
Ngày tải lên: 05/09/2013, 09:08
Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities
... in metal concentration in the sediments of receiving watersheds based on the relatively higher concentrations of roadside deposits compared with those of sediments Table Concentration of acid-soluble ... nitric acid digestion ICP-MS model SPQ-9000 (Seiko Instruments) was used for the determination of lead concentration Chloride ion concentrations and suspended solid concentrations (SS) were also ... intrusion was found for the sampling locations based on the completely fresh water level of chloride ion content smaller than 110mg/L in the samples Table gives the results of metal concentration of...
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
... Navier-Stokes equations, i.e the continuity equation, the mass conservation equation for each phase yields the volume fraction (r ) and along with the momentum equations the pressure distribution inside ... 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 in multicomponent, multi-phase ... 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
Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium
... The effect of variable suction on free convection on a vertical plate in a porous medium J Math Phys Sci 1992, 29, 559 [8] Mansutti D., Pontrelli G., Rajagopal K R Steady flows of non-Newtonian ... skin friction at the wall On the other hand, the effect of increasing suction parameter is to enhance the magnitude of both the components of skin friction at the wall A growing suction parameter ... the effect of suction parameter α and the Reynolds number Re respectively on the temperature of the flow field A careful observation of the above figures shows that the effect of growing suction...
Ngày tải lên: 05/09/2013, 14:58
Indoor tests to investigate the effect of brine depth on the performance of solar still
... (Online) ©2013 International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 4, Issue 2, 2013, pp.211-218 217 Conclusion Only ... 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 water depth on the ... 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...
Ngày tải lên: 05/09/2013, 16:10
The effect of EGR rates on NOX and smoke emissions of an IDI diesel engine fuelled with Jatropha biodiesel blends
... Gumus M Effect of injection timing on the exhaust emissions of a diesel engine using diesel–methanol blends Renewable Energy 2009, 34, 1261–1269 Samion N.A Emissions of continuous combustion from ... amount of CO2 in the exhaust emission is an indication of complete combustion of fuel [13,21] The CO2 emission of DF increased slightly, when EGR was operated While, the CO2 emission of JBD blends ... Variation of EGT with various EGR rates 3.2 Emission characteristics 3.2.1 CO emission Generally, CO emission is forming resulted of incomplete combustion of fuel However, if the combustion is...
Ngày tải lên: 05/09/2013, 16:11
Effect of injection timing on combustion and performance of a direct injection diesel engine running on Jatropha methyl ester
... overall effects of injection timing on combustion, engine performance and emissions are discussed in this section 3.1 Effect on brake thermal efficiency The effect of injection timing on engine ... depends on the combustion properties of the fuel Figure Effect of injection timing on brake thermal efficiency 3.2 Effect on brake specific fuel consumption The brake specific fuel consumption is ... combustion in the cycle leading to lower exhaust temperature Figure Effect of injection timing on exhaust temperature 3.4 Effect on power and mean effective pressure The effect of injection timing on...
Ngày tải lên: 05/09/2013, 16:11
Tài liệu The effect of economic growth on my city pdf
... Lục Văn Hai_Trung-Anh strongly, and many buildings and big houses are grown up a lot.Morever, the growth of economy has given a lot of advantages by making people richer, healther, ... of advantages by making people richer, healther, and freer to enjoy their lives.I always pride of my city whenever I talk about him.I wished that could work at my hometown after finishing at...
Ngày tải lên: 18/01/2014, 07:20
Tài liệu Effect of KNO3 Spraying on yield and yield Component of rice on degraded Soie in Bac GiangSummer rice – 2009 docx
... 4: Effect of KNO3 Spraying on yield and yield Component of rice on Alluvial Soie in Nam Dinh- Spring Rice – 2009 ( Quinal/ha) Number of paricals/m2 Number of grain/pan 1A 1B 12 LS DO5 % of ... 5: Effect of KNO3 Spraying on yield and yield Component of rice on Alluvial Soie in Nam Dinh- Summer rice – 2009 ( Quinal/ha) Number of paricals/m2 1A 1B 12 LS DO5 Number of grain/pan % of ... weight(g) Grain yield Tab 6: Effect of KNO3 Spraying on rice yield on degraded Soie in Bac Giang 2009 ( Quinal/ha) Treat Spring Rice Summer Rice Yield Response Yield Response Quintal/ha % Quinal/ha...
Ngày tải lên: 20/01/2014, 02:20
Tài liệu New Estimates on the Effect of Parental Separation on Child Health ppt
... estimates of the effect of separation on child wellbeing Regressions rely on strong functional form assumptions (linearity between the covariates and the outcome of interest) In the present context ... union dissolution between unmarried parents (defined as the dissolution of a romantic relationship) has a causal effect on child health We focus on the effect of parental relationship dissolution ... observations whose propensity score belongs to the intersection of the supports of the propensity score of treated and controls Imposing the common support condition in the estimation of the propensity...
Ngày tải lên: 12/02/2014, 11:20
Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... yields monotonic increase in the saturation magnetization of Niferrite which may be due to the substitution of Ni2+ ions by Co2+ on the octahedral sties Therefore, the increasing Co2+ concentration ... expression corresponds to the contribution of magnetocrystalline anisotropy of material, the second one is given by shape anisotropy of crystalline particles (domains) and the third one is orginated ... successfully by co-precipitation method X-ray diffraction study shows the presence of cubic spinel The increase of Co2+ ion concentration yields the monotonic increase of MS, HC Magnetic measurements...
Ngày tải lên: 13/02/2014, 04:20