... 2In recent years, there has been an increasing interest in electromagnetic and electro-optic composite materials due to several promising potential appli-cations in digital memory storage, spintronics, ... by the additional sintering conducted at TA=TS=1130 K for 8 h, because of the set of diffraction lines remaining in the XRD pattern (Fig.1b) However, the line placed at *32° in the XRD pattern ... reflect a structural disorder Discussion Fe-doped Bi12MnO20–BiMn2O5 ceramics was pre-pared by high-temperature sintering in air, at slightly different sintering temperature and time, in com-parison
Ngày tải lên: 24/11/2022, 17:50
... the following situations and write down what you would say in a normal conversation? 1 You are a student You are in a new class for the first day and find out that you forget to bring a pen You ... not finished a report as you told him You ask him to finish it within today You say: ……… ……… ……….……… 8 When you are going to a meeting, you find out that you have left a document at the office ... How INCONVENIENT is it for the hearer to carry out the request? 1 2 3 4 5very inconvenient not at all 2 On Saturday morning you get up, go into the kitchen and see your younger brother making
Ngày tải lên: 07/09/2013, 13:31
Báo cáo khoa học: Role of the structural domains in the functional properties of pancreatic lipase-related protein 2 pot
... obtained using human or porcine lipase and colipase The proteins bearing the C-terminal domain of PL were efficient inhibitors of the lipase activity, whereas the proteins bearing the C-terminal ... the PLRPs Indeed, they possess an N-terminal domain with the same catalytic triad, a C-terminal domain in which the residues implicated in colipase binding are conserved, and a lid domain (except ... able to bind coli-pase whatever the nature of the N-terminal domain Moreover, the C-terminal domain of hoPLRP2 was not able to bind colipase even in the presence of the PL N-terminal domain Influence
Ngày tải lên: 16/03/2014, 06:20
Báo cáo khóa học: Characterization of novel structural features in the lipopolysaccharide of nondisease associated nontypeable Haemophilus influenzae pptx
... containing glycoforms in strain 16 (Table 2) could be confirmed in a precursor ion monitoring tandem mass spectrometry experiment (negative ion mode) by scanning for loss of m/z 220 (PPEtn) following ... tube, often in the presence of viral respiratory infections [5] Whether all colonizing strains of H influenzae are equally capable of causing otitis media or alternatively, some strains possess ... demonstrated that terminal sialic acid con-taining oligosaccharide epitopes are essential virulence determinants in experimental otitis media [21] The clinical isolates investigated by us were
Ngày tải lên: 16/03/2014, 16:20
Báo cáo Y học: Unique structural determinants in the signal peptides of ‘spontaneously’ inserting thylakoid membrane proteins pptx
... spontaneous insertion mechan-ism involve binding of the intermediate-size protein to the membrane, after which both hydrophobic domains (one in the signal peptide, the other in the mature protein) insert ... signal peptides, containing three distinct domains: an N-terminal charged region (N-domain), hydrophobic core region (H-domain) and more polar carboxyterminal region (C-domain) ending with an Ala-Xaa-Ala ... membrane involves targeting determinants located in the mature protein, and this has been experi-mentally confirmed for one thylakoid protein, the major light-harvesting chlorophyll-binding protein,
Ngày tải lên: 18/03/2014, 01:20
Báo cáo khoa học: Structural flexibility in Trypanosoma brucei enolase revealed by X-ray crystallography and molecular dynamics pdf
... three distinct catalytic site structures in the Trang 3sulfate-bound form, including one containing a novelmetal binding site Furthermore, they show structural heterogeneity in their inhibitor-bound ... site involving a His residue at position ‘0’ (i.e immediately preceding the natural initiator Met within the tail downstream of the thrombin cleavage site in the N-terminal extension containing ... contains an eightfold b⁄ a barrel domain preceded by an N-terminal a + b domain [6] The catalytic site is contained completely within a single subunit and lies at the interface of the two domains:
Ngày tải lên: 23/03/2014, 07:20
Health and Structural Funds in 2007-2013: Country and regional assessment pptx
... the use of SFs in the current period The main areas of direct and indirect health investment indicated in the NSRFs and OPs for 2007– 13 include health infrastructure, e-health, inpatient care, ... employment regions Looking in more detail at the findings shown in Figure 1, the health services category includes inpatient, outpatient, emergency and primary care services Investments in these areas ... be supported by adapting the workforce and by investing in human resources In the EU-27, a total of 168 regions will be eligible, representing 314 million inhabitants Within these, 13 regions
Ngày tải lên: 23/03/2014, 08:21
Báo cáo khoa học: Interflavin electron transfer in human cytochrome P450 reductase is enhanced by coenzyme binding docx
... reticulum, and three folded domains: an FAD- and NADPH-binding domain related to ferredoxin-NADP+reductase, a flavo-doxin-like FMN-binding domain and a connecting linker domain In addition to the cytochromes ... reduc-tion in rate of interflavin electron transfer in NADH-reduced CPRthus suggests a role for coenzyme binding, and in particular for interactions made by the 2¢-phosphate of NADPH, in modulating interdomain ... rate-limiting step(s) for electron transfer) probably inter– domain interactions) without altering the driving force Effects of binding adenosine 2¢,5¢-bisphosphate on hydride ion transfer In previous
Ngày tải lên: 23/03/2014, 17:22
Báo cáo khoa học: Adeno-associated virus gene transfer in Morquio A disease – effect of promoters and sulfatase-modifying factor 1 pot
... with improvement in polyadenylation⁄ trans-port and mRNA processing, which resulted in a six-fold to 50-six-fold increase in the indicator (CAT) protein [40] The presence of introns in expression ... particular cases, including our study, remains unknown However, in vitro [60] and in vivo [61] studies have shown that AAV vectors induce a change in gene expression profile Genes involving cellular ... signals, which increase mRNA instability and production of the target protein [43,44] The results presented in this work agree with previous reports showing that the inclusion of a syn-thetic intron
Ngày tải lên: 29/03/2014, 21:20
doe j. - structural inference in cointegrated vector autoregressive models
... j=1Aj− In and Γj =−Pp i=j+1Ai This representation can be used to define cointegration in a VAR system DEFINITION 1.1 (Cointegration) A VAR[p] system as defined in Assumption 1.1 is called cointegrated ... transformation Davidson (1998) provides coin-a progrcoin-am thcoin-at coin-allows to determine the irreducible cointegrcoin-ation vectors from coin-anestimated cointegration matrix Whenever the long ... 4 Inference in nonlinear models 129 4.1 Inconsistency of linear cointegration tests 132 4.2 Rank tests for unit roots 136 4.3 A rank test for neglected nonlinearity 144 4.4 Nonlinear
Ngày tải lên: 08/04/2014, 12:06
heat transfer in femtosecond laserprocessing of metal
... http://www.informaworld.com/smpp/title~content=t713657973 HEAT TRANSFER IN FEMTOSECOND LASER PROCESSING OF METAL Ihtesham H Chowdhurya; Xianfan Xua a School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA. Online Publication ... arising directly or indirectly in connection with or arising out of the use of this material. Trang 2Downloaded By: [Ingenta Content Distribution] At: 19:07 13 December 2007 HEAT TRANSFER IN FEMTOSECOND ... PROCESSING OF METAL Ihtesham H Chowdhury and Xianfan Xu School of Mechanical Engineering, Purdue University, West Lafayette, Indiana, USA The short time scales and high intensities obtained during
Ngày tải lên: 06/05/2014, 08:53
Báo cáo sinh học: " Imperfect DNA mirror repeats in the gag gene of HIV-1 (HXB2) identify key functional domains and coincide with protein structural elements in each of the mature proteins" doc
... sites that have related functions in the translated protein begin end begin end calmodulin binding plasma membrane binding calmodulin binding plasma membrane binding NC-GagTF cleavage Gag-Pol Table ... strings (mIMRs) Using symmetry criteria of ≥ 50% and discounting strings completely contained within other strings, the longest mIMRs in TnsA were found to coincide with key structural domains ... in Table 6 The mIMRs included in the test are all ≥58 nt and often span more than a single protein structural element The rdIMRs included in the test are all ≥15 nt Both mIMRs and rdIMRs begin
Ngày tải lên: 18/06/2014, 18:20
Mass Transfer in Chemical Engineering Processes Part 3 docx
... estimation; 5 Internals design This chapter deals with column packing efficiency, considering the main studies including random and structured packing columns In packed columns, mass transfer efficiency ... Raschig rings can be as efficient as Pall rings, depending on the upward velocity of the gas inside the column, for example These and other features involving the packing are extensively detailed in ... (1981) Fig 1 Random packing: (a) plastic pall rings (b) metal pall rings (Metal Hypac) (c) Raschig rings (d) Intalox saddles (e) Intalox saddles of plastic (f) Intalox saddles In literature, some
Ngày tải lên: 18/06/2014, 22:20
Mass Transfer in Chemical Engineering Processes Part 5 pdf
... by convective heat and mass transfer This initial stage of drying is known as the constant or unhindered drying period (CDP) As drying proceeds, internal moisture within the particle diffuses to ... exist, the computational domain has to be discretized into cells or elements with nodal points marking the boundaries of each cell and combining the physical domain into one computational entity ... variables are investigated In the case of high residual values, it is then recommended to modify the model input or refine the mesh properties to minimize these errors in order to attain a converged
Ngày tải lên: 19/06/2014, 08:20
Mass Transfer in Chemical Engineering Processes Part 6 potx
... capsaicin Therefore, the optimum combined condition in methanol is confirmed to be at 57C for 2 56 min The instability of capsanthin at increased temperature is again confirmed by optimum combined ... Mass Transfer in Chemical Engineering Processes Ying-Yue, W.; Chi-Tzong, H.; Wen-Ta, C & Jia-You, F (2001) In vitro and in vivo evaluations of topically applied capsaicin and nonivamide ... pungent capsicum oleoresin, capsaicin and capsanthin with hexane 3.3.1 Model fitting The data obtained by these models demonstrated how the independent variables in the models influenced the extraction
Ngày tải lên: 19/06/2014, 08:20
Mass Transfer in Chemical Engineering Processes Part 7 pot
... However in this document, results only for the case of amines are reported 3 Determination of the amines H2S and CO2 absorbing capacity Several works have been developed to model mass transfer in ... report amines H2S and CO2 absorbing capacity As an alternative it was proposed to determine the H2S and CO2 absorbing capacity of the amines by using the gas bubbler setup illustrated in figure ... again in the absorption column under the same conditions as they were initially saturated (Q r=230) Figure 6 shows results obtained in terms of removing efficiency It shows that the H2S removing
Ngày tải lên: 19/06/2014, 08:20
Mass Transfer in Chemical Engineering Processes Part 8 ppt
... located in the skin, that are only partially extracted during traditional winemaking process, due to the resistances to mass transfer of cell walls and cytoplasmatic membranes In red wine, the main ... and increasing more steeply at increasing temperature (Ea ≈ 27 kJ/mol) (Lebovka et al., 2007b) Similarly, the application of PEF increased the effective water diffusivity during the drying of ... 2009b) 6 A case study - red wine vinification A promising application of PEF pretreatment of vegetable tissue is in the vinification process of red wine Grapes contain large amounts of different
Ngày tải lên: 19/06/2014, 08:20
Mass Transfer in Chemical Engineering Processes Part 9 pdf
... (cm3/mgmin) ki Feed- or aqueous-phase mass transfer coefficient or mass transfer coefficient in feed phase km Organic-phase mass transfer coefficient or mass transfer coefficient in ks Stripping-phase ... stripping reached 99% (equivalent to the remaining uranium ions in trisodium phosphate solution of 0.22 ppm) and 53%, respectively by 7-cycle separation in 350 min The percentage of uranium stripping ... grade is used as an additive in cheese processing Technical grade is used for many applications, e.g., in boiler-water treatment, testing of steel parts after pickling, industrial detergents such
Ngày tải lên: 19/06/2014, 08:20
Mass Transfer in Chemical Engineering Processes Part 10 ppt
... the beginning and CO2-rich permeate after certain time (since steady-state CO2 permeance is higher) The description and analysis of CO2 transfer in this case is more complex than described in previous ... considered as CO2 “carriers” that introduces the necessity to take into account their transfer in LM as well as transfer of CO2 in the form of bicarbonate ions and interactions between all reactants ... membrane is defined by the both gas components With increasing of the frequency the relative amplitude passes through minimum This minimum on the curve Α ΑΒ (ω)/Α Α via ω is defined by fact that
Ngày tải lên: 19/06/2014, 08:20
Mass Transfer in Chemical Engineering Processes Part 11 potx
... concentration was kept constant in continuous system through replacing the old culture by fresh media The material balance for cells in a continuous culture is defined by equation 5 (Bailey and ... conditions determined from the batch operation For the MFC operated under continuous condition, substrate with initial glucose concentration of 30 g.l-1 Trang 5was continuously injected from feed ... Effect of different HRT on production of power and current in fabricated MFC The growth kinetics and kinetic constants were determined for continuous operation of the fabricated MFC The growth rate
Ngày tải lên: 19/06/2014, 08:20
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