Báo cáo khoa học: "A study on growth stresses, tension wood distribution and other related wood defects in poplar (Populus euramericana cv 1214): end splits, specific gravity and pulp yield" doc

... effect on crack development.PhD Thesis, University Wisconsin, 108 pOriginal articleA study on growth stresses, tension wood distribution and other related wood defects in poplar ... within one clone and one site, in fracture toughness calculated in air-dried conditions. The extension of suchresults to explain crack propagation in greenconditions when ... severity of end split in 15 poplar trees (Populus euramericana cv I214) in terms of growth stress, tension wood occurrence and crack growth strength measured on air-driedspecimens....

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

... smallest intron was757 bp), and none in intergenic regions < 2 kb. Themedian sizes for the introns and the intergenic regionsare 46 and 386 kb, respectively. Moreover, most of theLIR-containing ... LIRs in our collection, and these intronic TG and CA tractsare probably involved in the alternative splicing ofgenes. One study revealed that intronic TG tracts,particularly in hairpin structure, ... density and gene density (Fig. 2).We then studied the positions of the LIRs in introns and intergenic regions. A short distance to the exon–intron boundary or transcription starting point isan indication...

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

... split, containing 9 603 documents fortraining and 3 299 documents in the ﬁxed test set, and the 90 categories that are present in both train-ing and test sets.As a ﬁrst pre-processing step, ... Heckerman, and Mehran Sahami. 1998. Inductive learning algo-rithms and representations for text categorization. In Proceedings of the Seventh International Confer-ence on Information and Knowledge ... Re-search.Cong Li, Ji-Rong Wen, and Hang Li. 2003. Text clas-siﬁcation using stochastic keyword generation. In Proceedings of the 20th International Conference on Machine Learning (ICML-2003).Rada...

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

... 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 ... outperform linear clas-siﬁers based -on standard features. In the future we plan to design other struc-tures and combine them with SCF, PAF and standard features. In this vision the learningwill ... capture allthe information between a predicate and one ofits arguments. Its main drawback is that im-portant structural information related to inter-argument dependencies is neglected. In or-der...

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

... 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 other hand, ... information 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 ... percolation and binarization procedures;they are explained in detail in (Chelba and Jelinek,2000).The position of the headword within a constituent— equivalent to a context-free production of...

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

... [13]. Neurofascin is characterized by extracellulardomains comprised of 6 immunoglobulin domains and 4fibronectin type III domains and cytoplasmic domainscontaining an ankyrin-binding site localized ... paranodes. And it may alsobe interesting to reveal the presence of incisures during theearliest stages of myelination and the initial expression ofneurofascin in the incisure. The cytoplasmic domains ... found in axoplasm, compact myelin, and internodal axolemma. DiscussionCell adhesion molecules (CAMs) play an important role in both the initiation and signaling of axon-glial contact.Among them,...

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

... sections of the brainstem illustrating the distribution ofspinoreticular projections after injection of BDA into lumbosacral enlargement and the reticulocerebellar neurons afterinjection of ... dried.ResultsThis study involves the injecting WGA-HRP and BDAinto the cerebellum and spinal cord, with the typicalinjection site being shown in Fig. 2A and 2B. The cellFig. 2.A photomicrograph of the injection ... chromogen and ammonium molybdate [18] and stabilized in DAB [27]. Briefly, sections were rinsed in 0.1M phosphate buffer (pH 6.2) and incubated in a solution of0.25% ammonium molybdate and 0.005%...

báo cáo khoa học: "A Study to investigate the role of p27 and Cyclin E immunoexpression as a prognostic factor in early breast carcinoma" pptx

... ofRadiation Oncology. Staging was done using the Ameri-can Joint Committee on Cancer (AJCC) Staging Systemfor breast cancer (1992 revision) based on a combina-tion of clinical information (such ... justified.The inverse relationship of cyclin E and p27 has beenhigh lighted in the literature [13]. However, in this study the association of p27 and cyclin E in all invasive carci-nomas and in the ... infiltratingductal carcinomas (not otherwise specified and var iants) and 7 infiltrating lobular carcinomas. The infiltratingductal carcinoma group in cluded cases not otherwisespecified (50), mucinous (3),...

Báo cáo khoa hoc:" A study of association between common variation in the growth hormone-chorionic somatomammotropin hormone gene cluster and adult fasting insulin in a UK Caucasian population" doc

... CSH1.01 variation in measures of fetal and postnatal growth and adult insu-lin resistance, as measured by fasting insulin concentra-tions and Homeostasis Model Assessment of InsulinSensitivity ... for citation purposes)ConclusionReplication of genetic association data in independentstudies is vital for determining whether an initiallyobserved association is a consistent finding. We havefound ... thesesubjects.DiscussionCommon variants in the GH-CSH cluster are excellentcandidates for contributing to common variation in fetal/infant growth and adult insulin resistance. The placen-tally-expressed CSH1, CSH2 and...

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... are you on? identifying perspectives at the document and sentence levels. In Proceedings of the Conference on Natural Language Learning (CoNLL).Hugo Liu. 2004. MontyLingua: An end- to -end naturallanguage ... tf.idfMartineau and Finin (2009) provide a solution tothe above issue of idf utilization in a classiﬁcationscenario by localizing the estimation of idf to thedocuments of one or the other class and ... Robertson, Hugo Zaragoza, and Michael Tay-lor. 2004. Simple bm25 extension to multipleweighted ﬁelds. In CIKM ’04: Proceedings of thethirteenth ACM international conference on Infor-mation and...

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