Role of an electrolyte and substrate on the stability of porous silicon

... improving the luminescentproperties and stability of porous silicon films.4. Conclusions The visual observation of mechanically strong,stable surface bond configuration, smooth surfacemorphology and ... surfacesessentially conforms the viability of texturedsubstrates and ethanol-based electrolyte as arequisite condition for the formation of highlyluminescent, thick and stable porous silicon films. Porous silicon ... evaluating the degradation of stability of PS on electrolyte (HF–C2H5OH and HF–H2O2) and current density formed on textured and polishedSi substrates, respectively. The emphasis is mainly on the...

Tài liệu CHEAP POSTAGE REMARKS AND STATISTICS ON THE SUBJECT OF CHEAP POSTAGE AND POSTAL REFORM IN GREAT BRITAIN AND THE UNITED STATES ppt

... showing the Increase of Expense in the British Post Office, consequent upon the Increase of the Number of Letters under the new System; the Rate per Letter of the Cost of additional Letters, and the ... millions of franks.” 3. The number of franks was ascertained for each of the weeks ending January 11, January 21, and February 4, 1838; and the mean of these three gives 126,212 as the estimated ... £2,297. The falling of the price of soap one-eighth, increased the consumption one-third; the falling of tea one-sixth, increased consumption one-half; the falling of silks one-fifth, doubled the...

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

... large conformationalchange in many, but not all, PTPs [9,10]. In the absence of ligand, the WPD loop of PTP1B and RPTPa adopts an open (inactive) conformation, and upon ligand bind-ing, it adopts ... 136.4) and the wtorsion angle of Gly255 (18.9 to )157.9) upon oxida-tion. This large rotation of the peptide bond betweenAla254 and Gly255 results in a 4.12 A˚movement of Gly255 Ca and a ... competent conformation at all ionic strengths, despite the absence of a ligand. Here we provide structural evidence that the ionic strength depen-dence of PhyAsr and the conformational change in the...

Tài liệu Báo cáo khoa học: "Evaluating the Accuracy of an Unlexicalized Statistical Parser on the PARC DepBank" docx

... subcategorization infor-mation in the PoS tags and by the need to balancedepth of analysis against the size of the deriva-tion space. On the Susanne corpus, the geometricmean of the number of analyses ... output and the current DepBank. Finally,differences in the linguistic intuitions of the an- notators and errors of commission or omission on both sides can only be uncovered by manualcomparison of ... derivations which only differin the order of application of the same rules and also conditions rule application on the PoS tag of the lookahead token.When there is no parse rooted in the start...

Báo cáo khoa học: Effects of the G376E and G157D mutations on the stability of yeast enolase – a model for human muscle enolase deﬁciency pdf

... position would result ina change in the conformation of this loop. Changes in the conformation of the backbone at this point and changes in the orientation of other side chains, as aresult of the ... enolases and the high degree of sequence conservation, we believe that the effects of these mutations on the structure and function of yeast enolase will be similar to their effects on humanbb-enolase. ... positions, with the aim of determiningwhether any of the observed effects were a result of changes in the size and charge of the amino acid atthese positions.ResultsPreliminary characterizationThe...

EFFECT OF CARBON TO NITROGEN RATIO ON THE COMPOSTING OF CASSAVA PULP WITH SWINE MANURE

... concomitant to the previous studies on the composting of other organic wastes (Meunchang et al, 2005; Tiquia and Tam, 1998). Tiquia and Tam (2002) studied the changes on composting of spent pig manure ... Compost, Swine Manure INTRODUCTION Cassava (Manihot esculenta Crantz) is one of the most important crops in Thailand. Approximately 40 percent of the cassava produced in Thailand is converted ... 4, and 5 were 2.03 %, 1.89 %, 2.1 % and 1.97 %, respectively. At the first day of composting, total K in pile 3 and 6 were lower than those of the other piles may be due to the lower amount of...

Tài liệu Báo cáo " ON THE STABILITY OF ELASTOPLASTIC THIN TRIANGULAR PLATES MADE IN COMPRESSIBLE MATERIAL " doc

... Tuan, Elastoplastic stability of triangular layeredplates, Proceedings of the 7thnational congress on Mechanics, Hanoi, 12-2002, pp.373-379.4. Dao Van Dung, Elastoplastic stability of triangular ... derivatives of δw and substituting those expressions into the stability equation (1.5) and taking into account the existence of non-trivial solution i.e Amn=0,we receive the expressionα1pmπaQ4+ ... Dao Van Dung, Chu Thi Tamb) The compressibility of material has an inﬂuence on the stabilit y of structure.ThemorethePoissoncoeﬃcient ν decreases,themorethevalueofσ∗udiminishes when the ratioahis...

Báo cáo khoa học: Protective effect of dietary curcumin and capsaicin on induced oxidation of low-density lipoprotein, iron-induced hepatotoxicity and carrageenan-induced inﬂammation in experimental rats ppt

... formation of 37 and 24% was seen at 3 and 12 h of copper-induced LDL oxidation in the case of LDL isolated from animals fed the combination of curcumin and capsaicin. Thus, the protective effect of the ... protective role, if any, of dietary cur-cumin, capsaicin and their combination on the damagecaused to liver by iron overloading measured in terms of lipid peroxidation and elevation of plasma alanineaminotransferase ... dysregulate the homeo-stasis between blood and vascular cells and alterationin endothelial function, are considered among the earlyevents in the pathogenesis of atherosclerosis [43]. The alteration of...

Báo cáo "On the stability of the distribution function of the composed random variables by their index random variable " pdf

... the distribution function of ξkonly lead to the small changes in the distribution function of η.In the paper, we investigate the distribution function of η when we have the small changes of the ... random variables and ν is a positive value random,independent of all ξk.In [1] and [2], we gave some the stabilities of the distribution function of η in the followingsense: the small changes ... Journal of Science, Mathematics - Physics 23 (2007) 70-74 On the stability of the distribution function of the composedrandom variables by their index random variableNguyen Huu Bao∗Faculty of...

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