strength and deformation properties of solids

... aqueous cement modifiers in improving the strength and elastic properties of mortars or to evaluate and compare the strength and elastic properties of powdered and aqueous polymer-modified mortars ... brand of poly (vinyl acetate-vinyl carboxylate) (VA/VeoVa) type and three brands of poly (ethylene-vinyl acetate), (EVA) type The aqueous cement modifiers used were one brand of EVA emulsion and ... the performance of powdered cement modifiers or on the properties of mortars modified by them The purpose of this paper is to evaluate and compare the performance of powdered and aqueous cement

Ngày tải lên: 12/01/2020, 03:47

... Mechanical properties Metallurgical properties strength The yield strength and ultimate tensile strength of the welded joints were 338 MPa and 549 MPa, respectively, which were higher than the candidate ... (SAW) for joining of 17 mm thick sections of SA516 grade 70 steel to study the effect of welding parameters such as current and welding speed on impact strength, tensile strength, and microstructure ... steel of SA516 grade 70 low-carbon boiler steel and the chemical composition (wt%) of the work material is given in Table The mechanical properties of the candidate metal such as tensile and impact

Ngày tải lên: 13/01/2020, 13:25

... properties to Program Offices (e.g., Office of Water, Office of Solid Waste and Emergency Response, Office of Prevention, Pesticides and Toxic Substances) and Regional Offices Also, SPARC has been used ... measurement of the required properties is not practical because of expense and because trained technicians and adequate facilities are not available for measurement efforts involving thousands of chemicals ... the solvation of Ci vs the transition state due to H-bond and field stabilization effects of the solvent 41 Fs, Fq, Fµ = Substituent field strength, charge strength and dipole strength, respectively

Ngày tải lên: 22/03/2014, 14:20

... adaptability of HSA involves more than the immediate vicinity of the binding site(s), affecting both the structure and the ligand-binding properties of the whole HSA molecule, which displays ligand-dependent ... (K d , M) for Fe(III)heme binding to tHSA and HSA in the absence and presence of ibuprofen and warfarin, at pH 7.0 and 25 °C. No drug Warfarin Ibuprofen tHSA 7.4 · 10 )8 3.0 · 10 )6 3.4 · 10 )6 HSA ... ibuprofen–(t)HSA], and N is the number of equivalent binding sites (N = 1 for both tHSA and HSA for each of the three ligands considered). Acknowledgements We gratefully acknowledge S. Aime and

Ngày tải lên: 23/03/2014, 04:21

... interaction of residues Leu292 of TAXI-IA and Pro294 of TAXI-IIA with the )2 glycon subsite of the xylanase is shown to be critical for both inhibition strength and specificity. Also, detailed analysis of ... BSXÆTAXI-IA complex. Discussion The strength and specificity of inhibition of TAXI-I- and TAXI-II-type inhibitors differ strongly (Table 1). Analysis of the structures of the BSXÆTAXI-IA and BSXÆrTAXI-IIA complexes ... of 5 results from a combination of an aspartate and a tryptophan residue. Both our criteria on the strength and specific- ity of the inhibition, however, indicate an increased susceptibility of

Ngày tải lên: 23/03/2014, 05:22

... immunoreactivities of ChAT, VAChT, and m2. Red: m2, ChAT, and VAChT, respectively. Blue: DAPI. Bar: 20 lm. HEK293 cells expressed mRNAs of cholinergic receptors, including m1, m2, and m5, as well as a3 and ... Care and Use of Laboratory Animals published by the US National Institutes of Health Care and use of the animals were also in strict accordance with the guiding principles of the ... Sports, and Culture of Japan, and by Health and Labor Sciences research grants (H15-PHYSI-001, H16-NANO-005) from the Ministry of Health, Labor, and Welfare of Japan References 1

Ngày tải lên: 23/03/2014, 05:22

... allosteric properties of the protein and to trace the evolutionary pathway of the allosteric behaviour. Results Characterization of the oligomeric state of P. monodon Hc In gel-filtration experiments of ... oxygen-binding properties. The ulti- mate aim is a precise definition of the allosteric unit responsible for cooperativity and of the possible role of heterogeneity at subunit level in the modulation of the ... structural stability of arthropod Hc oligomers, the reversibility of the dissociation processes and the occurrence of different subunits, in order to correlate the structural properties of the various

Ngày tải lên: 23/03/2014, 13:20

... at 25 °C, 30 °C and 35 °C in order to identify scalar and dipolar connectivities among heme and amino acid residues Spectral widths of 13 kHz and mixing times of 80 ms for NOESY and 50 ms for TOCSY ... remainder of the target residues assigned by detection of NOESY residue–heme and interresidue cross-peaks solely by the standard Mb fold, and the observation of relaxation effects and/ or sufficient ... Tyr66(E7) (G) and Leu70(E11) (E), and to NHs of heme-residue contacts Tyr66(E7) and Phe46(CD1) to have propionates (A, B, C) and interresidue contacts from Tyr66(E7) to Phe46(CD1) and NHs of Arg48(CD3)

Ngày tải lên: 23/03/2014, 17:22

... mass of a complex containing a single copy of each hydrogenase subunit (CooM, K, L, X, U and H) and two copies of each CO dehydrogenase subunit (CooF and CooS) with a calculated molecular mass of ... densitometric analysis revealed a molar ratio of CooS to CooH, the catalytic subunit of the hydrogenase, of 2.1 ± 0.1 : 1 and a molar ratio of CooF to CooH of 1.9 ± 0.1 : 1. The same results were obtained ... concentra- tion of CooS and CooF being % twofold higher than the concentration of CooH, the catalytic subunit of the hydrogenase. A hydrogenase preparation containing a lower or zero content of CO dehydrogenase

Ngày tải lên: 23/03/2014, 21:20

... Annals of Mathematics Existence and minimizing properties of retrograde orbits to the three-body problem with various choices of masses By Kuo-Chang Chen Annals of Mathematics, ... line represents a similarity class of one type of double collision. Let S 3 be the unit EXISTENCE AND MINIMIZING PROPERTIES OF RETROGRADE ORBITS 329 sphere in V and S 2 be the unit shape sphere. ... class of the projection ˜α φ of α φ in ˜ V \ ˜ Δ over t ∈ [0, 1] is one of the two generators for π 1 (S 2 \ ˜ Δ). The left side of Figure 2 depicts the path ˜α φ over t ∈ [0, 1]. A solution x of

Ngày tải lên: 29/03/2014, 07:20

... detailed report of the kinetic and spectroscopic properties of this novel type of PRODH Results Analysis of a and b subunit sequences Sequence analysis of both subunits suggests the presence of an ADP-binding ... ion of FAD cofactor with an m ⁄ z peak of 787 identical to that of the authentic FAD standard The m ⁄ z peak at 825 represents the K+ adduct of released FAD cofactor The m ⁄ z peaks of 348 and ... encode a new member of the hyperthermophilic class of PRODHs that couples the oxidation of l-proline to the reduction of a noncovalently bound FAD and the production of P5C Oxidation of enzyme-bound

Ngày tải lên: 30/03/2014, 08:20

... intraband (free carrier) processes, there are interband 6 [...]... involved in studies of electronic properties of solids If we think of the optical properties for various classes of ... electrons and solids, and the band curvature (∂ 2 E/∂kα ∂kβ ), the energy band diagrams provide important information on the strength of optical transitions Correspondingly, knowledge of the ... optical properties of solids with just normal incidence measurements, and then do a Kramers–Kronig analysis of the reflectivity data to obtain the frequency–dependent di- electric functions ε 1 (ω) and

Ngày tải lên: 24/04/2014, 17:13

... ABSTRACT ABSTRAK LIST OF TABLES LIST OF FIGURES LIST OF PHOTOS LIST OF SYMBOL LIST OF APPENDIX CHAPTER 1 INTRODUCTION 1.0 Introduction TABLE OF CONTENT CHAPTER 2 LITERATURE ... Trend of Consumer Perception Towards Herbs 2.1.4 Current Trend of Consumption of Herbs 2.2 Herb of Limnophila aromatica 2.2.1The Morphology of Limnophila aromatica 2.2.2 The Uses and ... C.M 2005 Monetary Valuation of Livelihoods for Understanding the Composition and Complexity of Rural Households Agriculture and Human... More than one of these antioxidant activity

Ngày tải lên: 05/05/2014, 08:39

... control of structural type and composition of bimetallic nanoparticles comprised of Ag and Au have been a subject of considerable interest; and the developed of simple and versatile methods for ... the sum of the scattering coefficients a n and b n, and are function of particle radius, and light wavelength λ (in terms of the Ricatti-Bessel functions). As the absorption band of noble ... “CRC Handbook of Chemistry and Physics” 65th edn CRC Press, Inc Boca Raton, FL, 1984 [45] M A El-Sayed, “Some Interesting Properties of Metals Confined in Time and Nanometer Space of

Ngày tải lên: 04/06/2014, 15:20

... dependence of the PL peak energies over the third root of the excitation density [20]. The inset of Figure 3b shows the linear dependence of the PL peak energies and the third root of the excitation ... independent of the excitation power which is a typical feature of the type-I band transition. Therefore, the interband transition of the GaSb QD would be the only proper origin of the high-energy ... the height of GaSb/In 0.53 Ga 0.47 As QDs. (a) The AFM image of GaSb/In 0.53 Ga 0.47 As QDs, (b) histogram of the height of GaSb/In 0.53 Ga 0.47 As QDs, and (c) the STEM image of GaSb/In 0.53

Ngày tải lên: 20/06/2014, 20:20

... below) the graph of  Page of 15 Nakasuji et al Journal of Inequalities and Applications 2011, 2011:48 http://www.journalofinequalitiesandapplications.com/content/2011/1/48 Page of 15 Here I° denotes ... interpretation of Jensen’s inequality by such a mean and we next consider some geometric properties of such means, as an application of it Throughout the paper, we denote by (Ω, μ), I and f a probability ... Journal of Inequalities and Applications 2011, 2011:48 http://www.journalofinequalitiesandapplications.com/content/2011/1/48 RESEARCH Open Access A new interpretation of Jensen’s inequality and geometric

Ngày tải lên: 21/06/2014, 00:20

... where B and n are constants, and t is the sonication time. The data in Figures 13 and 14 were fit to curves of the forms given by (Equations 1 and 2). The values of the constants and the coefficients ... the thermal conductivity of the nanofluids increases nonlinearly, with the maximum enhancement of 23% at sonication time of 1,355 min. However, the viscosity of nanofluids increases to the ... 60% and 80% viscosity increases for Al 2 O 3 -water and TiO 2 -water nanofluids with concentrations of 3 vol%, which is more significant than the predictions of Krieger-Dougherty's [9] and

Ngày tải lên: 21/06/2014, 17:20

... MWCNT in case of former and with 5 wt% in case of the latter. Electrical Properties One unique property of the MWCNTs is their electrical conductivity because of their large aspect ratio and mobile ... matrix and reported a maximum achievable strength of 165.5 MPa at 7 wt% loading of functionalized MWCNTs. Yuen et al. concluded that by using amino functionalized MWCNTs the electrical properties of ... stability, thermal conductivity and mechanical properties [2]. Due to their exceptionally high aspect ratio and mechanical properties, incorporation of small amounts of CNTs into a polymer matrix

Ngày tải lên: 22/06/2014, 01:20

... clays etc. are often added to polymer. Particulate fillers modify physical and mechanical properties of polymers in many ways. Use of carbon black for improving reinforcement properties of an elastomer ... 4:420–430 421 123 and ‘c’ is the amount (phr) of prevulcanized SBR gel added into the NR latex. Characterization of Gelled Latex Samples and Measurements of Various Properties of Gel Filled Rubbers ... in the amount of crosslinking tends to level off, as evident from gel content and crosslink density values of SBS 2 /SBS 3 and NS 2 /NS 3 systems. This is because of the saturation of sites available

Ngày tải lên: 22/06/2014, 01:20

... STRUCTURE AND MAGNETO-OPTICAL PROPERTIES OF SOLIDS TLFeBOOK This page intentionally left blank TLFeBOOK Electronic Structure and Magneto-Optical Properties of Solids by Victor Antonov Institute of Metal ... physical properties of layered structures including the MO properties Chapter of the book presents the MO properties of f band ferromagnetic materials Sections 3.1 devoted to the MO properties of 4f ... ELECTRONIC STRUCTURE AND MO PROPERTIES OF SOLIDS The spectrum of excitations for the shell of an d-electron system is a set of many-body levels describing processes of removing and adding electrons...

Ngày tải lên: 17/03/2014, 14:51