Báo cáo khoa học: "A study on the immunocytochemical localization of neurofascin in rat sciatic nerve" doc

... interesting to reveal the presence of incisures during the earliest stages of myelination and the initial expression of neurofascin in the incisure. The cytoplasmic domains of neurofascin contain ... the exact localization of neurofascin in the peripheral nerves is important to clarify the function of thismolecule. In this report we have examined the ultrastructural localization of neurofascin ... recognizing the axons that they ensheath during the development. In the CNS, neurofascin is strongly but transiently up-regulated in oligodendrocytes at the onset of myelinogenesis. After the initial...

Báo cáo khoa học: " A Study on the Spinoreticulocerebellar Tract in Chickens" pot

... sections of the brainstem illustrating the distribution of spinoreticular projections after injection of BDA into lumbosacral enlargement and the reticulocerebellar neurons afterinjection of WGA-HRP ... portion of the magnocellular division of the RLbelongs to the termination site of the spinal lumbarprojection, and the vermal lobules V-VII receive the afferents from all levels of the RL [1]. There ... passed into the core of the injection site. TheseWGA-HRP labeled neurons were often observed in most of the BDA-labeled axons in the RF (Fig. 4).Retrograde labeling using WGA-HRP In all cases, the...

Báo cáo khoa học: "A CONSIDERATION ON THE CONCEPTS STRUCTURE AND LANGUAGE IN RELATION TO SELECTIONS OF TRANSLATION EQUIVALENTS OF VERBS IN MACHINE TRANSLATION SYSTEMS" doc

... structure of the categories as in Fig.l, and then find appropriate translation equivalents in detail at the lower level categories. (2) To each verb found in the process of the association, consults ... relation to each translation equivalent verb thus obtained by consulting word usage dictionary. Then check all the nouns belonging to nearby categories in the given concepts structure and find ... association, consults ordinary dictionary of translation equivalents and word usage of verbs and obtain the set of all the translation euqivalents for the verb. (3) Then find nouns (categories)...

Báo cáo khoa học: A study on genomic distribution and sequence features of human long inverted repeats reveals species-speciﬁc intronic inverted repeats pptx

... distribution of LIRs in both intronic andintergenic regions (see Fig. S1). We also considered the effect of the length of these regions on the distribution. The intronic and intergenic regions were then ... reside in large intronic and intergenic regions. Only ﬁve LIRswere found in introns < 1 kb (the smallest intron was757 bp), and none in intergenic regions < 2 kb. The median sizes for the introns ... than one Aluwas included in one arm, and the complete structure of Alu could be retained therein. The proportion of inverted Alus within the LIRs is 6% for intronicregions and 3% for intergenic...

Báo cáo khoa học: "A Study on Automatically Extracted Keywords in Text Categorization" doc

... Pro-ceedings of the 20th International Conference on Computational Linguistics (COLING 2004), pages487–493.Yiming Yang and Xin Liu. 1999. A re-examination of text categorization methods. In Proceedings ... booleanrepresentation (similar to the ﬁrst experiment) and the minimum number of occurrence in the trainingdata set to two (giving an F-measure of 75.0%) In the third type of experiments, where only the text in ... International Conference on Machine Learning (ICML-2003).Rada Mihalcea and Samer Hassan. 2005. Using the essence of texts to improve document classiﬁca-tion. In Proceedings of the Conference on RecentAdvances...

Báo cáo khoa học: "A Study on Convolution Kernels for Shallow Semantic Parsing" pdf

... production rules.For instance, the sub-tree [NP [D a]] is excludedfrom the set of the Figure 4 since only a part of the production NP → D N is used in its gener-ation. However, this constraint ... with one of its arguments. We willshow that it contains almost all the standardfeature information. The second relates to the sub-categorization frame of verbs. In this case, the kernel function ... betweentraining and testing, we selected randomly 30% of sentences for testing and 70% for training.Additionally, 30% of training was used as avalidation-set. The sentences were processed us-ing...

Báo cáo khoa học: "A Note on the Translation of Swahili into English" pot

... together (as eni). This may be considered as giving rise to an- other single suffix, namely, the concatenation (eni) of the two individual suffixes. We may then write the translation program ... there are integers r, s, 0 < r ≤ s ≤ n such that letters r to s inclusive of the input word appear as an entry in the stem dictionary. We no longer have a fixed base (the beginning of the word), ... that, given any input string (word) of n letters, either (1) there is some integer m ≤ n such that the first m letters of the input word appear as an entry in the stem dictionary, or (2) no...

Báo cáo khoa học: "A Study on Richer Syntactic Dependencies for Structured Language Modeling" ppt

... from the left context.However, as mentioned in (Roark, 2001), oneway of conditioning the probabilities is by annotat-ing the extra conditioning information onto the nodelabels in the parse tree. ... strategy for the conditioning informa-tion used in the probability models. This al-lows the parser to choose information depend-ing on the constituent that is being expanded. The SLM, on the ... labelpassing control to the WORD-PREDICTOR (the -th operation at position k is the null transi-tion); is a function of denotes the -th CONSTRUCTOR operationcarried out at position k in the word string;...

Báo cáo khoa học: "A Note on the Implementation of Hierarchical Dirichlet Processes" docx

... that of the DP model after integrating out the distribution G.Note that as long as the base distribution P0isﬁxed, predictions do not depend on the seatingarrangement z−i, only on the count ... segmentation. In Proc. of the 44th Annual Meeting of the ACL and 21stInternational Conference on Computational Linguistics(COLING/ACL-2006), Sydney.S. Goldwater, T. Grifﬁths, M. Johnson. 2006b. Interpolatingbetween ... based on the 30114-word vocabulary and frequencies found in sections 0-20 of the WSJ corpus.these kinds of models, the counts are constantlychanging over multiple samples, with tables goingin...

Báo cáo hóa học: " A study on the effect of different chemical routes on functionalization of MWCNTs by various groups (-COOH, -SO3H, -PO3H2)" potx

... the surfactant, Triton X-100, via ultrasonication helps in their unbundling, but the extent of functionalization mainly depends on the chemical route followed for their treatment. The functionalized ... treatment. The effect of the various chemical treatments and the dis persion using a surfactant via ultrasonication on the functionalization of MWCNTs has been studied. The results obtained have ... pristine CNTs generally exist in bundled form dueto the presence of strong Van der Waals interactionsbetween them. In part icular , these intermolecular forces of attraction are based on the...

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