Báo cáo " MODEL OF CONDUCTIVITY FOR PEROVSKITES BASED ON THE SCALING PROPERTY OF GRAIN BOUNDARY " ppt

... of Physics, College of Sciences - VNU Abstract. We present the percolation-theory model for explanation of conductivity of perovskites based on the scaling property of grain boundary formation. ... JOURNAL OF SCIENCE, Mathematics - Physics. T.XXI, N 0 4 - 2005 MODEL OF CONDUCTIVITY FOR PEROVSKITES BASED ON THE SCALING PROPERTY OF GRAI...

Ngày tải lên: 14/03/2014, 13:20

... to the description. For the second type of question, human examinees would search their knowledge base for the description of each of four candidate terms. Then they would choose the candidate ... improved, and the coverage was comparable with that for the Nichi- gai dictionary. On the other hand, in the case where random choice was performed, the Nichigai dict...

Ngày tải lên: 20/02/2014, 18:20

... K s1 <<K s2 <<K s3 , binding of the first and second molecules of citrate drastically decrease the affinity of the enzyme for the second and third molecules, respectively. The dissociation constant of the first citrate molecule ... Another function of AclB was found to be stabilization of the enzyme, as AclB prevented the degradation of AclA that was o...

Ngày tải lên: 08/03/2014, 22:20

... [3]; and from the deconvolution of CD at 37 °C in the absence of NaCl (195– 260 nm) was 51%. For the spectrum of TOP in the same conditions the deconvolution indicated 45% of a helix content. This ... Val position in order to verify the influence of the nature of the amino acid at this position on determination of the cleavage sites and on the amount of...

Ngày tải lên: 23/03/2014, 21:21

... is the following: 1. Spreading activation is performed in such a way that two elements have the same activa- tion value if they are coreferent or One of them is the syntactic head of the other. ... conjecture and assertion), (5) rhetorical rela- tion (such as reason and example), and (6) position of sentence in the whole text. Most of these are ex- tracted by a shallow...

Ngày tải lên: 31/03/2014, 04:20

... ap- proaches is based on the learning aspect during the construction of the morphological model. If the data for training the model has the same struc- ture as the desired output of the morphological analysis, ... PROMODES-H improves the correct prediction of non-boundaries at the beginning of the word whereas PROMODES performs better at the end. For...

Ngày tải lên: 20/02/2014, 04:20

... dynamics of the bent form one determinant for specific complex formation. They appear to be as important as the con- servation of the DNA base sequence. Therefore, the basic question is no longer ... ⁄ +5 of the CArG box are highly con- served [19]. In the case of SRE Gfos , the G–C base pair inversion at )5 position precludes formation of the hydrogen bond between...

Ngày tải lên: 07/03/2014, 09:20

... in the edit distance in this section, the cost of substi- tutions is less than that of insertions and deletion- s. Here, we assume that the cost of substitutions is based on the similarity of the ... is the linear combination of the weights of insertion, deletion and substi- tution. The relation is shown in equation (2), where ins, del and sub are the appeara...

Ngày tải lên: 07/03/2014, 18:20

... dependent on the strength of the Fe-His bond and hence on the status of the proximal His H-bond. It appears that one can readily rationalize the general trends but not the magnitude of the chan- ges ... comparison of the electronic absorption and RR spectra of the wild type and Thr171Ser either in the presence of the aromatic donor BHA or at alkaline pH....

Ngày tải lên: 07/03/2014, 21:20

... a decrease of the GC content, while a drop in the curve indicates an increase of the GC content. The slope of the curve denotes the vari- ation rate of the GC content. According to the z¢ curve, ... which is defined as the variance of GC content of the region divided by that of the whole genome. If h ( 1, the variance of GC content of the region may...

Ngày tải lên: 30/03/2014, 20:20