... water interface 3.3.3.3 Dissolution of alumina Dissolution of alumina should also be taken into consideration when discussing the properties of alumina in aqueous solution Dissolution of alumina ... HS adsorption onto alumina w7x Based on HS solubility in alkaline and acid solutions, they can be divided into two main fractions of HA (humic acid soluble in alkaline solutions, precipitated ... importance of alumina in the natural aquatic environment and its growing application in drinking and wastewater purification, the knowledge of aluminas structure and possible interactions in water are...
Ngày tải lên: 15/03/2014, 23:22
... calculated according to [22]: u in ,c = ζ c I RTin ,c AMEA xO2 ,in Pc Ach 4F (39) u in ,a = ζ a I RTin ,a AMEA x H ,in Pa Ach 2F (40) ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2013 International ... operating conditions are taken from reference [23] and are listed in Table 2.4.2 Solution algorithm The solution begins by specifying a desired current density of the cell to be used for calculating ... usually determine the limiting current density This is because an increase in current density corresponds to an increase in oxygen consumption The hydrogen molar fraction distribution in the anode...
Ngày tải lên: 05/09/2013, 14:58
A study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy
... in subsequent independent performance when supporting conditions were no longer available The findings provided convincing evidence to support the role of social interaction in individual’ linguistic ... each other in preparing for the individual presentations The findings also showed that students in preplanning groups produced better presentations than those in unplanning groups in terms of ... uses the word ‘task’ instead of ‘activity’ He defines a task as “a piece of classroom work which involves learners in comprehending, manipulating, producing or interacting in the target language...
Ngày tải lên: 07/09/2013, 13:02
Elementary - Errors in sentences
... thing about computers is that you can find all kinds of information about everything Correct entry: all kinds of The error was: (c) all kind of A9 I prefer to go to the cinema instead of watching ... good thing about computers is that you can find all kind of information about everything (a) about (b) that (c) all kind of Your entry: Q9 I prefer go to the cinema instead of watching ... error was: (a) wants A6 I am really not interested in mobile phones as I prefer ordinary phones Correct entry: interested in The error was: (a) interesting in A7 When you wish to buy a book, you...
Ngày tải lên: 18/10/2013, 12:15
Tài liệu Chapter 9: Miscellaneous catalytic reactions in aqueous media pdf
... tools for labeling important compounds, such as drugs, and for mechanistic investigations in reaction kinetics During catalytic hydrogenations in homogeneous aqueous solutions or in aqueous-organic ... mild method for removal of protecting allyl groups under exceedingly mild conditions In an interesting reaction, reshuffling of functional groups can be achieved in the rearrangement of homoallylic ... of isomerizations is in that all atoms of the starting compound are incorporated into the product, respresenting a 100 % atom economy Miscellaneous catalytic reactions in aqueous media 267 which...
Ngày tải lên: 23/12/2013, 07:19
Slide a study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy
... What truly happens during group discussion in classroom? Do the students in pre-planning groups perform more accurately and better than those in unplanning groups in terms of tenses, subject-verb ... those in NP group in terms of EFVF and EFNF (in terms of tense, subject verb agreement and pronouncing morpheme-s in plurality ) Conclusions and Suggestions Group planning prior to individual ... difference in the number of turns among the participants Leadership moves - One or two students seem to be leaders in every talk Individual Presentation Findings most of the participants in PTP...
Ngày tải lên: 29/01/2014, 10:33
Tài liệu Báo cáo khoa học: NMR structure of AII in solution compared with the X-ray structure of AII bound to the mAb Fab131 pptx
... Asp1 side chain carboxylic group was suggested to be involved in hydrogen-bonding interaction with either the N-terminal amino group or the Arg2 side chain amino group, whereas in our studies ... chain NH of the preceding arginine, forming a stable heptamer ring, both in the X-ray structure and the solution structure of AII (Fig 8) Indeed, aspartate residues at the N-termini of short polypeptides ... flexible peptide ligand in solution can be retained during the early stages of receptor– peptide recognition processes [12] AII has been extensively investigated in solution during the last 40 years...
Ngày tải lên: 20/02/2014, 23:20
Báo cáo khoa học: Kinetic and mechanistic characterization of Mycobacterium tuberculosis glutamyl–tRNA synthetase and determination of its oligomeric structure in solution pptx
... structurally minor, implying rotations of domains of just a few degrees (e.g interdomain rotations upon tRNA binding to the Tt-GluRS and local limited rearrangements in the active site) [5] Interestingly, ... gyration (Rg) and molecular mass (MM) increased at increasing protein concentration (Table S6), indicating the presence of multiple species in solution At protein concentrations > mgặmL)1 the calculated ... provide a rationale for the discriminating behaviour of Mt-GluRS in E coli Studies on Tt-GluRS indicated that discriminating and nondiscriminating GluRS can be distinguished on the basis of the presence...
Ngày tải lên: 07/03/2014, 03:20
Báo cáo khoa học: Fluorescence studies of the replication initiator protein RepA in complex with operator and iteron sequences and free in solution pdf
... DNA-binding domains involved in binding), or 1DR-short (as a dimer, but presumably with only one domain involved), or indeed when bound as a monomer to 1DR This suggests that binding to both inverted ... in a binding stoichiometry of : 1, i.e dimer binding The reactant concentrations were too high to obtain relevant information on the binding afnity For binding to 1DR, the best t yielded a binding ... sequence present in 1DR-short, it is likely that only one of two WH2 DNA-binding domains in RepA dimers is involved in binding This also makes sense energetically, the RepA dimer binds operator...
Ngày tải lên: 07/03/2014, 04:20
Báo cáo khoa học: NblA from Anabaena sp. PCC 7120 is a mostly a-helical protein undergoing reversible trimerization in solution pot
... a-helical protein The results from the thermally induced folding-unfolding experiments indicate the presence of only a single domain ể FEBS 2002 [37], not unexpected for such a small protein NblA undergoes ... temperatures and after recooling (D) (A) The spectra were measured in 20 mM sodium phosphate buer, pH 7.5 (thin line) and in the presence of M guanidine hydrochloride (thick line) Experiments were carried ... single tryptophan residue at position 56 Unfolding of NblA in M guanidine hydrochloride results in a small red shift of the emission maximum to about 350 nm and a decrease in the uorescence intensity...
Ngày tải lên: 08/03/2014, 10:20
Adsorption and aggregation of surfactants in solution
... phase can be induced by changing a number of parameters, including adding salts (e.g., NaCl) to the system, decreasing the oil chain length, increasing the surfactant molecular weight, adding a cosurfactant, ... occurs by (1) increasing salinity, (2) decreasing oil chain length, (3) increasing alcohol concentration (C4, C5, C6), (4) decreasing temperature (for ionic surfactants), (5) increasing total surfactant ... transmitted in any form or by any means, electronic or mechanical, including photocopying, microlming, and recording, or by any information storage and retrieval system, without permission in writing...
Ngày tải lên: 16/03/2014, 11:43
Báo cáo khóa học: Assembly of the silk fibroin elementary unit in endoplasmic reticulum and a role of L-chain for protection of a1,2-mannose residues in N-linked oligosaccharide chains of fibrohexamerin/P25 ppt
... glycoprotein [28,29], in uenza virus hemagglutinin [30,31], and IgM [32] in ER, a further role of N-linked oligosacharide chains of fhx/P25 in the process of assembly of the elementary unit in ER ... intramolecular disulfide bonds [5] In the transgenic lines, fhx/P25 molecules of 30 and 27 kDa were both reactive to biotinylated ConA indicating that N-linked oligosaccharide chains existed in ... unit of fibroin in ER It was demonstrated in this study that the elementary unit of fibroin, having the same molar ratio of H- and L-chains, and fhx/P25 as of the elementary unit present in the PSG...
Ngày tải lên: 16/03/2014, 16:20
Báo cáo khoa học: Bioenergetics of the formyl-methanofuran dehydrogenase and heterodisulfide reductase reactions in Methanothermobacter thermautotrophicus pot
... thermautotrophicus neither contains methanophenazine, nor the cytochrome b-type proteins that are typical for the Methanosarcina electron-transport chain In an in vitro system from M marburgensis, ... suspensions were placed in a boiling water bath for h to destroy the cells After cooling and centrifugation (10 min, 27 000 g, °C), the supernatants were diluted in washing buffer to obtain preparations ... corresponding sodium motive force values that were maintained in methane-forming cells The results, indeed, support a Na+ translocation stoichiometry of two to four (Figs and 5) Our analyses indicate...
Ngày tải lên: 17/03/2014, 09:20
Báo cáo Y học: Expression and distribution of penaeidin antimicrobial peptides are regulated by haemocyte reactions in microbial challenged shrimp pptx
... · 10 in NaCl/Tris, mounted in glycerol containing 25% NaCl/Tris and 0.1% p-phenylenediamine and examined using a laser scanning microscope (TCS NT) equipped with a Leica (DMIRBE, Inc.) inverted ... penaeidin localization at the site of injection Injection of microorganisms resulted in a dramatic decrease in numbers of both circulating and tissue in ltrating haemocytes within h of injection ... H) Regarding phagocytosis reactions, internalized bacteria were observed after 20 incubation mainly into hyaline haemocytes (Fig 10I) Intracellular phagocytosed bacteria observed in hyaline cells...
Ngày tải lên: 18/03/2014, 01:20
Báo cáo khoa học: Spectroscopic characterization of the oxyferrous complex of prostacyclin synthase in solution and in trapped sol–gel matrix doc
... because they induced distinct patterns of spectral changes [26] Figure 2A shows the difference spectra of U46619 binding to PGIS in solution and in sol–gel In solution, U46619 binding caused a ... binding of NaCN and clotrimazole to PGIS in solution and in sol–gel 360 400 440 480 Wavelength (nm) 0.3 1.0 0.2 0.5 0.1 0.0 0.1 Abs UV ⁄ VIS spectra of ligand binding of PGIS in solution and in ... line) in solution Right panel, ferric PGIS (thin solid line), ferrous PGIS (dashed line), re-oxidized PGIS (dash-dot-dot line) and oxyferrous PGIS (thick solid line) in sol–gel lated PGIS is involved...
Ngày tải lên: 23/03/2014, 07:20
CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION pptx
... Shishkina 18 ω = W0/Wing – Wing/W0 = fk7[InH]/(Wik6)0.5 = king[InH]/(Wik6)0.5, where W0 is the oxidation rate of methyl oleate without additivies InH, Wi – the initiation rate Since Wing is determined ... described in Ref 15 The interval from the beginning of the experience to the point of intersection of two straight lines for which tg α1 = tg α2 was taken as τ in the presence of InH The first line ... cellulose hydrolysis by celloviridin complex Phenosan in the form of industrially produced acid is used in cattle breeding by inducing the growth-stimulating action in the forage composition for...
Ngày tải lên: 28/03/2014, 10:20
elementary methods in number theory - nathanson m.b
... a ∈ H, a = Since −a also belongs to H, it follows that H contains positive integers By the minimum principle, H contains a least positive integer d By Exercise 21, dq ∈ H for every integer q, ... begin the next problem Alexander Nathanson [99] This book, Elementary Methods in Number Theory, is divided into three parts Part I, “A first course in number theory,” is a basic introduction to elementary ... first n integers is equal to the square of the sum of the first n integers 18 Prove that the principle of mathematical induction is equivalent to the minimum principle 19 Let a and d be integers...
Ngày tải lên: 31/03/2014, 16:21
elementary concepts in topology - p. alexandroff
... extended somewhat and has finally come into the present form I have taken pains not to lose touch with elementary intuition even in the most abstract questions, but in doing so I have never given ... given for a new, self-contained theory of a much extended concept of space Nevertheless, the fact that again and again vital intuition has been the driving force, even in the case of all of these ... in the process I have inserted a footnote and several parenthetical notes in an effort to clarify the material or to indicate the current terminology, and have actually changed the notation in...
Ngày tải lên: 31/03/2014, 16:26
kinetic modeling of reactions in foods
... Boekel/Kinetic Modelling of Reactions in Foods DK3903_C000 Final Proof page i 12.11.2008 10:19pm Compositor Name: JGanesan Kinetic Modeling of Reactions in Foods Boekel/Kinetic Modelling of Reactions ... and explanation without intent to infringe Library of Congress Cataloging -in- Publication Data Van Boekel, Martinus A J S Kinetic modeling of reactions in foods / Martinus A J S van Boekel p cm ... Boekel/Kinetic Modeling of Reactions in Foods DK3903_C001 Final Proof page 5.11.2008 6:48pm Compositor Name: VBalamugundan Kinetic Modeling of Reactions in Foods 1-2 Quality attributes (intrinsic...
Ngày tải lên: 02/04/2014, 15:04
kobayashi - cycloaddition reactions in organic synthesis (wiley, 2001)
... created in a single operation, with the relative stereochemistry being defined by the usually endo-favoring transition state Asymmetric Diels-Alder reactions using a dienophile containing a chiral ... unprotected by law printed in the Federal Republic of Germany printed on acid-free paper Typesetting K+V Fotosatz GmbH, Beerfelden Printing betz-druck GmbH, Darmstadt Bookbinding Wilhelm Osswald ... N-sulfonylamino acid moiety examined, the polymeric catalyst containing a relatively long oxyethylene chain cross-linkage gave higher enantioselectivity than those with flexible alkylene chain cross-linkages...
Ngày tải lên: 03/04/2014, 12:15