effect of processing parameters on pore structure and thickness of anodic

... upon concen-tration of sulfuric acid. Higher electrolyte concentration increasedoxide dissolution and oxidation growth. With faster oxidation and dissolution, the pore size decreased. Thus, pores ... moleculesonce pass into one end (inner) of the pore would only come outfrom the other end (outer) of the pore without diffusing out fromthe middle of the pore- tunnel.The relationship of membrane thickness ... density during the second anodization as a function of sul-furic acid concentration.tional to second anodization time. The pore wall softening wasdescribed previously in terms of a microcrystalline...

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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

... lowa-helix content and a high content of unordered and b-structures. Mutation K137E had no dramatic effect on the far-UV CD spectra and a blue shift of only 2–3 nm was observed in the position of the ... comparison of theprimary structure of different sHsp, predictions of their secondary structure and on superposition of themammalian protein sequence on the 3D structure of already crystallized ... induce destabili-zation of the overall structure of the sHsp [35,36].Therefore, we analyzed the effect of point mutations inthe linker connecting the b5 and b7 strands of HSP22 on its thermal stability....

Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2

... 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 ... effects of initial H2O2 concentration, initial pH of the solution and initial PCB concentration on the degradation of PCBs in water matrix. Journal of Water and Environment Technology, Vol.3, ... H2SO4. The effect of the initial pH of the solution was evaluated using pH values of 3, 7, 5.8 and 10. For the effect of initial PCB concentrations, H2O2 concentrations used were based on the...

Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine

... of Diffusion combustion% of Premixed combustion% of Diffusion combustionTrend line of % of diffusion combustionTrend line of % of premixed combustion Figure 6. Variation of percentage of ... Variation of total combustion duration with start of dynamic injection 3.3 Analysis of performance and pollutants emission parameters In this section, the influence of biodiesel properties on ... illustrates the variation of percentage of premixed and diffusion combustion with start of dynamic injection. The interpretation on Figure 6 reveals that if the start of dynamic injection before TDC...

Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis

... combination of flat plate collectors The combination of flat plate collectors in both series and parallel are considered and its effect on the outlet temperature of the collector combination and ... variation of global solar radiation and the ambient temperature for the months of January to June. Figure 9 shows the variation of global solar radiation and the ambient temperature for the months ... combination of flat plate collectors on the outlet temperature for the month of march Figure 17. Variation of cummulative distillate yield with time International Journal of Energy and Environment...

Báo cáo khoa học: Effect of ﬂanking bases on quadruplex stability and Watson–Crick duplex competition pptx

... excitation and 520 nm emission filters. Thewells were loaded with solutions of a fixed concentration of preformed quadruplex (50 nm) and increasing concentra-tions of complementary strand (0–1 ... flanked on each side bynumerous bases. The effect of loop length and composition on quadruplexconformation and stability has been well investigated in the past, but the effect of flanking bases on ... filledwith 146 lm of complementary strand. Titration was per-formed by injecting 10 ll aliquots of complementary strandA. Arora et al. Effect of flanking bases on quadruplex stability and Watson–Crick...

Báo cáo khoa học: "On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing Corpora." doc

... On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing Corpora. Llufs Padr6 and Llufs M~rquez Dep. LSI. Technical University of Catalonia c/Jordi Girona 1-3. ... the performance of some taggers is better than others as a result of some kind of indirect comparisons between them. We I One of the exceptions is the work by (Samuelsson and Voutilainen, ... performances did allow us to do so. 6 Discussion The presented analysis of the effects of noise in the test corpus on the evaluation of POS taggers leads us to conclude that when a tagger is evaluated...

Báo cáo khoa học: Multiple effects of DiS-C3(5) on mitochondrial structure and function pot

... c remain to beconducted.In conclusion, we found DiS-C3(5) to show multipleeffects on the mitochondrial structure and function, effectsdependent on both its concentration and the Pistatus.11AcknowledgementsThis ... results, we consideredthat the protective effects of DiS-C3(5) at low concentra-tions on the progression of intrinsic oxygen consumptionby mitochondria might reﬂect induction of the PT byendogenous ... the nontreated controlmitochondria. The protective effects of DiS-C3(5)atalowconcentration o n t he spontaneous induction of mitochond-rial PT was also conﬁrmed by observing mitochondria...

Báo cáo Y học: Effect of the disease-causing mutations identiﬁed in human ribonuclease (RNase) H2 on the activities and stabilities of yeast RNase H2 and archaeal RNase HII pot

... and Tk-RNase HII as model proteins to analyze the effect of a disease-causing mutation on the activity, stability, and structure of human RNase H2 and the role of theglycine residue fully conserved ... mutation of Gly10 to Alaneither seriously affects the left-handed backbone structure of this residue nor the local conformationaround this residue, as revealed by CD spectra.ConclusionIn ... cost of stability. Biochemistry45, 12673–12679.35 Nicholson H, Soderlind E, Tronrud DE & MatthewsBW (1989) Contributions of left-handed helical residuesto the structure and stability of...

Báo cáo Y học: Extra terminal residues have a profound effect on the folding and solubility of a Plasmodium falciparum sexual stage-speciﬁc protein over-expressed in Escherichia coli pptx

... well as expres-sion upon induction confirmed production of the fusionprotein. However, this construct produced insoluble proteinwhich aggregated and precipitated upon purification,making it unacceptable ... entail construction of fusion proteins with maltose binding protein as a chaperone on the N-terminus and a C-terminal Ôsolubilization tagÕ.Thissystem may allow large-scale production of those ... Insharp contrast, Pfg27Aproduced Pfg27 that remainedTable 1. Expression and purification analysis of six MBP + Pfg27constructs.Amount of fusion protein (mg)Construct Flow throughEluted fusionproteinFinal...

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