synthesis microstructure and properties of high strength porous ceramics
Báo cáo hóa học: " Hydrothermal Synthesis, Microstructure and Photoluminescence of Eu3+-Doped Mixed Rare Earth Nano-Orthophosphates" pot
Ngày tải lên :
21/06/2014, 08:20
... (TG) and differential scanning calorimetry (DSC) with a heating rate of 10°C min-1 Results and Discussion Experimental Section Crystal Phase and Microstructure of Mixed Rare Earth Phosphates Synthesis ... so favorable as the hexagonal phase of Y0.9Gd0.1PO4: Eu3? and Y0.9Gd0.1PO4: Eu3? and the influence of crystal phase on the luminescence is higher than that of water molecules In addition, either ... difference in radius between La3? and Gd3? (Gd3? and Y3?) is smaller than that of Y3? and La3?, so the product can present the pure phase with the different content ratio of the rare earth ions Besides,...
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guide to quality control and testing of high-strength concrete
Ngày tải lên :
24/10/2014, 21:59
... of the strength level, but because a higher degree of control is maintained in the production and testing of high- strength concrete Continual review of the field results and the maintenance of ... lower -strength concrete Gaynor and Wedding (1964), Saucier (1972), and Lobo et al (1994) investigated the effect of the thickness of sulfur mortar caps on compressive strengths of normal and high- strength ... QUALITY CONTROL AND TESTING OF HIGH- STRENGTH CONCRETE Fig 4.5.4—Effect of spherically-seated platen on measured compressive strength of 150 mm (6 in.) cylinders as a function of concrete strength (adapted...
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Báo cáo hóa học: "Fabrication and magnetic properties of granular Co/porous InP nanocomposite materials" ppt
Ngày tải lên :
21/06/2014, 04:20
... Template synthesis of an array of nickel nanotubules and its magnetic behavior Adv Mater 2001, 13:1631-1633 Li DD, Thompson RS, Bergmann G, Lu JG: Template-based synthesis and magnetic properties of ... Narayanan TN, Suchand Sandeep CS, Shaijumon MM, Ajayan PM, Philip R, Anantharaman MR: The synthesis of high coercivity cobalt-in-carbon nanotube hybrid structures and their optical limiting properties ... details Laboratory of Condensed Matter Spectroscopy and Opto-Electronic Physics, and Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Department of Physics, Shanghai...
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DESIGN, SYNTHESIS AND PROPERTIES OF METAL COMPLEXES AND COORDINATION POLYMERS FOR 2+2 PHOTO CYCLOADDITION REACTIONS
Ngày tải lên :
09/09/2015, 11:15
... geometry of IV-1 with labels, H- 4-6 bonded chains, and packing of showing the alignment of 4spy ligands XVIII Figure 4-2 TGA and DTG of IV-1 4-7 Figure 4-3 4-10 H-NMR spectra of IV-2 before and after ... particular C-Hπ and C-HX in solid state and their properties in solid state and their role in the design and synthesis of organic solids during his studies in the late 80’s and early 90’s showed ... with regio- and stereo specific manner, but they are not environmentally benign due to the use of high quantities of organic solvents and wastage of energy in the high temperature synthesis Moreover,...
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Transition metal oxide nanostructures shape controlled synthesis, characterizations and studies of physical properties
Ngày tải lên :
14/09/2015, 14:11
... edge and core region of a NW of diameter ~80 nm A low magnification TEM image of the same NW is displayed in the inset of (d) and (f) its SAED pattern (g) and (h) HRTEM images of Nb2O5 NWs of diameter ... captured near the edge and core region of a NW of diameter ~180 nm Inset of (a) is a low magnification TEM image xii LIST OF FIGURES of the same NW and (c) its SAED pattern (d) and (e) HRTEM image ... verification of the ultrahigh strength of CNTs have stimulated intensive research on the mechanical properties of nanosized structures [144-147] Different from bulk materials, the mechanical properties of...
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Analysis and performance of high efficiency synchronous reluctance machines
Ngày tải lên :
05/09/2013, 16:30
... arrangement of insulation and magnetic material in the rotor can result in high saliency ratio and not the amount of insulation and magnetic material It is worth mentioning that the amount of magnetic ... P.J and Agu, L.A Theory and Performance of Polyphase Reluctance Machines Proc IEE, 111(8), pp 1435-1445, 1964 [2] Lawrenson, P.J and Gupta, S.K Developments in the Performance and Theory of Segmental-rotor ... A.J.O., and Menzies, R.W and Anderson, A.F Theory and Performance of Reluctance Motors With Axially Laminated Anisotropic Rotors Proc IEE, 118(7), pp 887-894, 1971 [4] Cruickshank, A.I.O and Menzies,...
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Tài liệu Nature and Properties of Micro-organisms doc
Ngày tải lên :
12/12/2013, 17:15
... (VZV) VZV: Chickenpox VZV: Shingles Re-activation of latent infection Suppression of cell mediated immunity Bacteria Unicellular, DNA and RNA Binary No prokaryotes fission mitochondria ... (PMNs) and gram-negative extra- and intra-cellular diplococci (1,000X oil) Pneumococci in sputum Other important bacteria Strict anaerobes: e.g Bacteroides fragilis metronidazole sensitive ‘Higher ... components 1: (endo)spores usually Bacillus spp and Clostridium e.g Clostridium tetani (tetanus) spore is a resting cell, highly resistant to desiccation, heat and chemical agents produced in response...
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Tài liệu Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults pdf
Ngày tải lên :
14/02/2014, 09:20
... Category of Strength of Evidence Description of Strength of Evidence The ATP III panel extensively analyzed the results of recent clinical trials whose findings strongly influenced the development of ... Features of ATP III similar to those of ATP I and II Identification of population groups, besides middle-aged men, for detection of high LDL cholesterol (and other lipid risk factors) and for ... short-term risk High serum cholesterol itself is a major cause of the build-up of coronary atherosclerosis, and hence of the development of CHD in the long term For this I–3 I Background and Introduction...
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Tài liệu Báo cáo khoa học: Identi®cation and properties of type I-signal peptidases of Bacillus amyloliquefaciens doc
Ngày tải lên :
21/02/2014, 03:20
... Cloning of sipU Cloning of sipU Cloning of sipU Cloning of sipU Cloning of sipU Cloning of sipU Cloning of sipU Cloning of sipU Cloning of sipV Cloning of sipV Cloning of sipV Cloning of sipV ... Cloning of sipV Cloning of sipV Cloning of sipV Construction of pOpacVh Construction of pOpacVh Cloning of sipW Cloning of sipW Cloning of sipW Cloning of sipW Cloning of sipW Cloning of sipW ... Construction of pOpacWh Construction of pOpacWh Construction of pOpacSh Construction of pOpacSh Construction of pOpacTh Construction of pOpacTh Construction of pOpacBh Construction of pOpacBh Construction...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
Ngày tải lên :
07/03/2014, 02:20
... moiety of Arg51 and three atoms of FMN (N1, O2 and O3) In both FeR and M acetivorans avoredoxin, the corresponding residue is asparagine (Asn47 and Asn52, respectively) to which only the O2 atom of ... the Km and kcat values of E coli Fre for riboavin are reported as 2.5 lm and 52.4 s)1 with NADPH as the electron donor and 1.3 lm and 30.6 s)1 with NADH [13] For FMN, Km and kcat values of E coli ... of the logarithms of the concentration ratios for oxidized and reduced forms of the mediator versus that of recombinant avoredoxin Reduction titration of avoredoxin by NAD(P)H The reduction of...
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Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot
Ngày tải lên :
07/03/2014, 14:20
... purification yield of the enzyme may be due to several reasons Copper and several other divalent ions stimulated the activity of the tetrathionate hydrolase and they and other cofactors may be present ... hydrolase of A caldus (Eur J Biochem 271) 279 The biochemical properties of tetrathionate hydrolase of A caldus were similar to those of other acidithiobacilli (Table 4) The specific activity of tetrathionate ... method of Lowry et al [27] using the BCA Protein Assay Kit (Pierce, Rockford, IL, USA) The molecular mass and subunit structure of the tetrathionate hydrolase were determined using MALDI-TOF MS and...
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Báo cáo khoa học: Origin and properties of cytoplasmic and mitochondrial isoforms of taurocyamine kinase pptx
Ngày tải lên :
07/03/2014, 21:20
... mitochondrial isoform (referred to henceforth as MiTK) as described below The cDNA for the cytoplasmic TK consists of 1811 bp with an ORF of 1098 bp and 5¢ and 3¢ untranslated regions of 21 and 692 bp, ... other hand, mitochondrial TK showed activity for taurocyamine, lombricine (30% of that of taurocyamine) and glycocyamine (7% of that of taurocyamine) Recombinant Arenicola MiTK was incapable of phosphorylating ... Alignment of mitochondrial targeting sequences of vertebrate and invertebrate MiCKs and Arenicola MiTK Sequences correspond to ubiquitous (uMiCK) and sarcomeric (sMiCK) MiCKs from man and chicken and...
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Báo cáo khoa học: Purification and properties of a new S-adenosyl-Lmethionine:flavonoid 4¢-O-methyltransferase from carnation (Dianthus caryophyllus L.) pot
Ngày tải lên :
08/03/2014, 08:20
... T., Shatz, G & Grisebach, H (1982) Enzymic synthesis ¨ of lignin precursors Purification and properties of 4-coumarate: CoA ligase from cambial sap of spruce (Picea abies L.) Eur J Biochem 123, ... NaPi buffer, pH 3, and acetonitrile (6 : 1, v/v); separation was performed isocratically, at a flow rate of mLÆmin)1, and the volume of injected samples was 10 lL The amounts of the residual initial ... by the addition of two drops of 10 M HCl Aliquots of each reaction mixture were analyzed through column chromatography [7] to separate and purify both the assayed substrates and the respective...
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Báo cáo Y học: Molecular cloning, bacterial expression and properties of Rab31 and Rab32 docx
Ngày tải lên :
08/03/2014, 16:20
... lg of platelet protein and 0.5 lg of GST and GST±Rab proteins; (B) an [a-32P]GTP overlay [17] of a nitrocellulose blot of a gel containing 40 lg of platelet protein, 0.5 lg of GST and 0.5 lg of ... form of Rab32 (see Discussion) Fig Puri®cation and properties of wild-type and mutant Rab31 and Rab32 expressed as GST±fusion proteins Samples of platelet particulate fraction protein and of puri®ed ... immunoblot of a gel containing 20 lg of platelet protein and 0.1 lg of GST and GST±Rab proteins, using a : 1000 dilution of anti-Rab31 antiserum; (D) a similar immunoblot using a : 1000 dilution of anti-Rab32...
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Preparation and photoluminescence of high density siox nanowires with fe3o4 nanoparticles catalyst
Ngày tải lên :
16/03/2014, 15:11
... images and EDS of SiOx nanowires deposited on the Si(111) substrate at the reaction temperature of 1000 °C for h (a) and (b), The lower magnification SEM images of the nanowires, (c) The higher ... the surface of Si(111) substrate, as illustrated in Fig 2(a) and (b) The lengths of these nanowires are in the range of several tens to hundreds of micrometers Fig 2(c) shows the higher magnification ... temperatures of 1100 and 1200 °C The composition analysis of the products was achieved using EDS Fig 2(d) shows EDS spectrum of the nanowires, indicating that the products only consist of silicon and...
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Mechanics and Properties of Composed Materials and Structures doc
Ngày tải lên :
16/03/2014, 22:20
... anisotropic properties of strength and stiffness of masonry in horizontal and vertical direction, tensile and shear stiffness of cracked masonry, • Concrete yielding in compression, opening of cracks ... The effect of geometrical parameters and material properties of face sheets and core are studied on the face wrinkling of sandwich plates Comparison of the present results with those of plate theories ... tension, mechanism of opening and closing of cracks in concrete under dynamic load, tensile and shear stiffness of cracked concrete, • Strain rate effect of the material properties of masonry, reinforced...
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Báo cáo Y học: Trehalose-phosphate synthase of Mycobacterium tuberculosis Cloning, expression and properties of the recombinant enzyme pdf
Ngày tải lên :
17/03/2014, 10:20
... the cloning and expression of the M tuberculosis tps gene in E coli, and the production of active TPS in these cells The properties of the recombinant enzyme have been determined, and are compared ... 259–275 16 Candy, D.J & Kilby, B.A (1958) Site and mode of trehalose biosynthesis in the locust Nature 183, 1584–1595 17 Murphy, T.A & Wyatt, G.R (1965) The enzymes of glycogen and trehalose synthesis ... M) of NH4HCO3 An aliquot of each fraction was removed and assayed for its radioactive content The radioactive peak was pooled and concentrated to dryness a number of times in the presence of...
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Báo cáo Y học: Synthesis, characterization and application of two nucleoside triphosphate analogues, GTPcNH2 and GTPcF pdf
Ngày tải lên :
18/03/2014, 01:20
... tested by formation of the complex between RasGTPcNH2 and the Ras-binding domain of the Ras effector protein c-Raf-1 MATERIALS AND METHODS General description of synthesis High pressure liquid ... phosphorus and fluorine NMR measurements confirmed the chemical structure and the high degree of purification of the two synthesized triphosphate nucleotides As expected, 1H NMR measurements of both ... U., Rensland, H., Lautwein, A., Geyer, M., Scheffzek, K., Goody, R.S., Kalbitzer, H.R., Pai, E.F & Wittinghofer, A (1993) Three-dimensional structures and properties of a transforming and a nontransforming...
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preparation and characterization of high surface area nanosheet titania with mesoporous structure
Ngày tải lên :
20/03/2014, 13:06
... images of the nanosheet TiO2 calcined at 600 and 700 °C showed almost nanoparticles with a mixture of anatase and rutile TiO2 structure (about 10–50 nm in diameter, at 600 °C, Fig 6(g–h)), and rutile ... the use of TEM apparatus and to Prof T Yoko, Institute for Chemical Research, Kyoto University for the use of XRD equipment This work was supported by grant-inaids from the Ministry of Education, ... pattern of the as-synthesized nanosheet TiO2, and nanosheet TiO2 calcined for h at 300–700 °C The nanosheet TiO2 calcined for h at 300–500 °C consisted of anatase TiO2 structure The peak intensity of...
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