Báo cáo vật lý: "Compatibilisation of Polypropylene/Ethylene Propylene Diene Terpolymer/Kaolin Composites: The Effect of Maleic AnhydrideGrafted-Polypropylene" docx

... due the formation of covalent linkages and hydrogen bonds between the maleic anhydride and the hydroxyl group of the fibre. 8–14 This article reports the result of an investigation on the effect ... Polypropylene/Ethylene Propylene Diene Terpolymer/Kaolin Composites: The Effect of Maleic Anhydride- Grafted-Polypropylene H. Salmah * , C.M. Ruzaid...

Ngày tải lên: 07/08/2014, 14:20

... increase in the percen- tage of cells in the G2/M phase of the cell cycle. Since the G2/M phase of the cell cycle is one of the most sen- sitive to radiation [17], this could explain some of the increased ... the density of the released DNA band by the density of the total DNA in the l ane (the released DNA band plus the unreleased DNA remaining in th...

Ngày tải lên: 09/08/2014, 10:20

... determine how the major components of the amalgam (Cu, Zn and Hg) diffuse into the structures of the teeth. Curson and Crocker 20 determined the concentrations of Zn and Pb in the pulp of the teeth. ... Elements in the Pulps of Healthy and Carious Teeth The pulp contains the nerves and blood vessels of the teeth. The blood vessels feed the tooth and...

Ngày tải lên: 07/08/2014, 14:20

... with increasing amounts of HCl or the presence of large amounts of C1 – ions. Therefore, for the partial dehydration of PEO units, the volume of the hydrophilic part of the micelle decreases. ... greatly influence the characteristics of the resulting materials as they generally control the formation of micelles during the synthesis. 8 Hence, many aspects...

Ngày tải lên: 07/08/2014, 14:20

... portion of the H 2 O 2 is used to oxidise the AC, there are fewer hydroxyl radicals available to oxidise the dye. Second, the formation of a surface oxygen group because of the reaction between the ... atmosphere, shows the highest percentage of removal (63%) compared to the modified and the heat-treated modified AC. Decolourisation of RO16 by the Cu catalys...

Ngày tải lên: 07/08/2014, 14:20

... strength of the E/GF composites with the addition of silane- treated OMMT. According to Lin et al., 5 the clays were dispersed between both the bundles of GF and within the interstices of the fibre ... reinforcing effects of the silane-treated OMMT. According to Siddiqui et al., 3 the organoclay significantly enhances the flexural modulus of E composites, and...

Ngày tải lên: 07/08/2014, 14:20

... by the cutting edge. In addition, the effects of other milling parameters were studied; cutting speed (m/min), axial depth of cut (mm) and feed rate (mm/tooth). Results indicate failure of the ... double compared to dry cutting at the optimum milling conditions. Water-based fluid was found to be better than the high viscosity oil to increase the tool life of the cutt...

Ngày tải lên: 07/08/2014, 14:20

... identified by comparison with the mp, IR and NMR of the authentic samples. Compound 9 showed IR bands at 1780 cm –1 due to the presence of δ-lactone, bands at 3540 cm –1 due to the hydroxyl group ... The SeO 2 /UHP/PEG-400 system is more reactive and selective, and when one considers the combined benefits of economics, selectivity and safety, UHP emerges as one of...

Ngày tải lên: 07/08/2014, 14:20

... parameters of the Nyquist plots of the ethyl acetate extract of gambir in different concentrations. From this experiment, the Nyquist plot shows that, at a concentration of 150 ppm, the percentages of ... in the aqueous solution with the absence and presence of the inhibitor. Here, the micrograph exhibited a cocoon-like structure for solution with the absence...

Ngày tải lên: 07/08/2014, 14:20

... 85ºC. All of the melting points corresponding with the peaks of DSC traces are listed in Table 6. It is important to relate the structure of the mixture to the physical properties of the compound; ... properties of simple salts. Table 2 shows the appearances of the PEILs, where the numbers represent the molar ratio of the hydrochloride salts and the co...

Ngày tải lên: 07/08/2014, 14:20