Báo cáo vật lý: "LATTICE DYNAMICS AND NORMAL COORDINATE ANALYSIS OF HTSC Tl2Ba2Cu1O6" potx

... Lattice Dynamics and Normal Coordinate Analysis 30 2.2 Normal Coordinate Analysis of the Zero Wave Vector Vibrations of Tl 2 Ba 2 Cu 1 O 6 The study of lattice vibrations and the free ... Lattice Dynamics and Normal Coordinate Analysis 32 Table 3: Calculated phonon frequencies of Tl 2 Ba 2 Cu 1 O 6 Symmetry species Frequency (cm –1 ) using la...

Ngày tải lên: 07/08/2014, 14:20

... 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 and bands at 1755 and 1640 ... identified as isozaluzanin-C, telekin, and isotelekin. The IR bands [in chloroform (CHCl 3 )] of compound 3 were obtained at 3440, 1775, 1670, 1640 and 890 cm –1 and 1 H NMR s...

Ngày tải lên: 07/08/2014, 14:20

... concentration), and that of APS was 0.034%–0.140%; for kinetic measurements of the shell butyl acrylate shell, the range of concentrations of butyl acrylate was 9.9%–12.6%, that of SLS was 0.1–0.4 CMC, and ... focuses on the study of the kinetics of polymerisation of the styrene core and butyl acrylate shell formation experimentally and estimates of the emulsion p...

Ngày tải lên: 07/08/2014, 14:20

... value. The T onset and T peak of the DCN were not influenced by the addition of diffusants. On the other hand, the ΔH and T g of the DCN decreased with the addition of SS50 diffusants. The ... wavelength of 500 and 600 nm. Hence, a balance of the CTE, T g , and the %T of the epoxy blends/SS could be selected based on their required performance for the LED applicat...

Ngày tải lên: 07/08/2014, 14:20

... Huang 2 , P. S. Khiew 3 and W. S. Chiu 3 1 School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bandar Baru Bangi, Selangor, ... Journal of Physical Science, Vol. 20(2), 23–36, 2009 23 Synthesis, Characterisation and Catalytic Performance of Porous Nafion Resin/Silica Nanocomposites for Esterifica...

Ngày tải lên: 07/08/2014, 14:20

... high temperatures and long firing cycles leading to the inevitable coarsening of particles and aggregation of the powders, which results in poor microstructures and properties of electroceramics. ... Synthesis and Characterisation 82 300 o C. The half-height peak width of the M ” peak has a value of around 1.57 on the log f scale and this indicates that the conducti...

Ngày tải lên: 07/08/2014, 14:20

... Khalid Samo 1 and Mohd. Zamri Ibrahim 2 1 Department of Maritime Technology, Faculty of Maritime Studies and Marine Science, 2 Department of Engineering Science, Faculty of Science and Technology, ... met (output of the PV systems affected by meteorological conditions). Modelling solar radiation also provides an understanding of the dynamics of solar radiation,...

Ngày tải lên: 07/08/2014, 14:20

... as- pects of IR and TC. So it is significant to make a detailed comparison and analysis here on the relative value of words and bigrams as features in Text Categorization. The organization of this ... b 1 and b 2 stand for the two bigrams and w stands for any word containing both of them. The overall information quantity is obtained by subtracting the redundancy be...

Ngày tải lên: 08/03/2014, 02:21

... of French verbs have been limited in terms of the size of sentences, that is, by restricting the type of complements to object complements. We considered 3 main types of objects: direct, and ... with N 2 and to specify N t lexJcally by means of columns of the matrix. For example N 1 =: food N t =: text 11~en, the content of N 2 is largely determined end has to be...

Ngày tải lên: 08/03/2014, 18:20

... dimensionality of the GHQ -8 using a Rasch analysis and furthermore to assess any resultant factor structure of the GHQ-12 and GHQ-8 using Confirmatory Factor Analysis in compari- son with some of the ... (DIF). A DIF analysis assesses whether items are functioning equivalently across important categories, such as diagnosis, and extent of disease. Rasch Analysis Details...

Ngày tải lên: 20/06/2014, 16:20