Báo cáo vật lý: "Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd" potx

... mechanical properties and fracture behaviour of nanocomposites and carbon fibre composites (CFRPs) that contained organoclay in the E matrix. Bozkurt et al. 4 reported that the flexural properties of ... morphological properties of epoxy/glass fiber composites. Polym. Int., 56(4), 512–517. 8. Chow, W. S. (2007). Water absorption of epoxy/glass fiber/organo- montm...

Ngày tải lên: 07/08/2014, 14:20

... composed of a major phase, BaNd 2 Ti 5 O 14 , with some secondary phases, Nd 2 Ti 2 O 7 and BaTi 4 O 9 . The formation of the secondary phases affects the density, dielectric properties and quality ... phase of standard BaNd 2 Ti 5 O 14, ICDD No 33–136. The lattice parameters of the XRD show a = 12.20 Å, b = 22.35 Å and c = 3.84 Å. However, detailed observation shows the...

Ngày tải lên: 07/08/2014, 14:20

... used as a source of heat energy for cooking. 7 Due to the growth of the importance of oilseeds in the national economy of Sudan, the high demand to look for a new source of oil and the sufficient ... “Gurum” and is semi-cultivated in the beach of the Nile River in the north of Sudan. The green parts of the plant are used as animal feeds, the seeds are used as a mast...

Ngày tải lên: 07/08/2014, 14:20

... between ketones and alkanols. The subsequent formation of new hydrogen bonds between the proton acceptor oxygen atoms of the group of DMF and the proton of the – OH group of 1- alkanols 17 ... subsequent formation of (new) H-bonds [C=O … H–O] between the proton acceptor oxygen atom (with lone pair of electrons) of the C=O group of DMF and the proton of the OH g...

Ngày tải lên: 07/08/2014, 14:20

... of Si, SiO 2 and Ge for increasing transmittance of Si as active medium in the far red region of 720–750 nm. This paper reports the design and simulation of the transmissivity of single and ... and e k shows the direction of the wave propagation. For simplicity, we consider normal incidence of light with plane polarization (θ = 0). So, N layers of n j can be expr...

Ngày tải lên: 07/08/2014, 14:20

... systems. The physical and chemical properties of PEILs are congruent to those of the traditional ILs, but the range of structures for PEILs is likely to be different from that of ILs which are constituted ... non-volatile, and ILs are highly polar, miscible with certain organic solvents and/ or water, and have good solubility with organic and inorganic materials. They ar...

Ngày tải lên: 07/08/2014, 14:20

... in the center of fractal followed by a series of nested squares of increasing sizes, l (length of the box). Next, the micrograph is manually digitized using "ones" and "blanks" ... presence and absence of the particle. Then, the number, N (ones), of particles within each square of different sizes, l, are counted. The fractal dimension, D is obtained f...

Ngày tải lên: 07/08/2014, 14:20

... Synthesis and Characterization of BiTaO 4 54 conductors, catalysts, band-pass filters, radio frequency applications and others. 1–5 The interesting properties are anticipated at the helm of bismuth ... Figure 9 shows the plots of real part of complex permittivity of BiTaO 4 ceramics as a function of sintering temperature. The ε r increases appreciably with the in...

Ngày tải lên: 07/08/2014, 14:20

... inhibition of growth of N. crassa and fluorescence of SYTOX green could be observed (Fig. 5B). Similar results were obtained for all combinations of peptides and fungi. This suggests that inhibition of ... most active, inhibiting 50% of growth of N. crassa and F. culmorum at a concentration of 0.8 l M (3.9 lgÆmL )1 ) and having an IC 50 of 2 l M (9.7 lgÆmL )1 ) for gr...

Ngày tải lên: 21/02/2014, 15:20

... NdeI and BamHI and ligated into the expression vector pFLAG1 at the unique NdeI and BglII sites. Expression of HRPC in E. coli W31110, isolation of inclusion bodies, refolding and purification of ... modes of the propionyl and vinyl substituents of the haem. Class III peroxidases normally exhibit only one Fe-Im band, in contrast to the class I and II peroxidases that have...

Ngày tải lên: 07/03/2014, 21:20