Báo cáo khoa học: "The Complexity of Recognition of Linguistically Adequate Dependency Grammars" potx

Báo cáo khoa học: "The Complexity of Recognition of Linguistically Adequate Dependency Grammars" potx

Báo cáo khoa học: "The Complexity of Recognition of Linguistically Adequate Dependency Grammars" potx

... The Complexity of Recognition of Linguistically Adequate Dependency Grammars Peter Neuhaus Norbert Briiker Computational Linguistics ... plexity of ID/LP-grammars to the dependency framework. Contrary to previous studies on heavily restricted dependency grammars, we prove that recognition (and thus, parsing) of linguistically adequate ... 4 The complexity...
Ngày tải lên : 24/03/2014, 03:21
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Báo cáo khoa học: "The Complexity of Phrase Alignment Problems" doc

Báo cáo khoa học: "The Complexity of Phrase Alignment Problems" doc

... sentence pair consists of two word sequences, e and f. A set of phrases {e ij } contains all spans e ij from between-word positions i to j of e. A link is an aligned pair of phrases, denoted (e ij , ... practice, however, the space of align- ments has to be pruned severely using word align- ments to control the running time of EM. Notably, neither of these inference approaches...
Ngày tải lên : 23/03/2014, 17:20
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Tài liệu Báo cáo khoa học: The tandemly repeated domains of a b-propeller phytase act synergistically to increase catalytic efficiency doc

Tài liệu Báo cáo khoa học: The tandemly repeated domains of a b-propeller phytase act synergistically to increase catalytic efficiency doc

... analysis of purified PhyH, PhyH-DI and PhyH-DII. Lane M, molecular weight markers; lane 1, culture supernatant of PhyH; lane 2, culture supernatant of PhyH-DII; lane 3, culture supernatant of PhyH-DI; ... Environmental factors that affect the catalytic activities of PhyH and PhyH-DII. (A) Effect of 0–5.0 mM Ca 2+ at 37 °C. (B) Effect of pH at 37 °C. (C) Effect of temperature at...
Ngày tải lên : 14/02/2014, 15:20
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Tài liệu Báo cáo khoa học: Structural bases for recognition of Anp32⁄LANP proteins doc

Tài liệu Báo cáo khoa học: Structural bases for recognition of Anp32⁄LANP proteins doc

... sub- unit of PP2A as modeled by comparison with the U2A¢–U2B¢¢ complex. The other two subunits shield most of the surface of PP2A–C. (B) Structure of the U2A¢–U2B¢¢ complex [20]. Study of the interactions ... 112–116. Study of the interactions of the Anp32a LRR module C. de Chiara et al. 2560 FEBS Journal 275 (2008) 2548–2560 ª 2008 The Authors Journal compilation ª 2008 FEBS St...
Ngày tải lên : 18/02/2014, 17:20
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Tài liệu Báo cáo khoa học: The thioredoxin-independent isoform of chloroplastic glyceraldehyde-3-phosphate dehydrogenase is selectively regulated by glutathionylation docx

Tài liệu Báo cáo khoa học: The thioredoxin-independent isoform of chloroplastic glyceraldehyde-3-phosphate dehydrogenase is selectively regulated by glutathionylation docx

... glutathionylated in the presence of physiologically rele- vant concentrations of H 2 O 2 and GSH [52,54], suggest- ing a mechanism of glutathionylation based on the primary oxidation of the catalytic Cys149 ... a percentage of the initial activity. Note that the specific activity of A 8 B 8 -GAPDH with NADPH as the coenzyme is about fourfold lower than that of A 2 B 2 -GAPDH. (C)...
Ngày tải lên : 19/02/2014, 05:20
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Tài liệu Báo cáo khóa học: The C-terminal domain of Escherichia coli Hfq increases the stability of the hexamer ppt

Tài liệu Báo cáo khóa học: The C-terminal domain of Escherichia coli Hfq increases the stability of the hexamer ppt

... the native form of Hfq has an apparent molecular mass of 50 ± 10 kDa, while the unfolded state of Hfq has an average apparent molecular mass of 12 ± 5 kDa. This indicates that the unfolded state of Hfq ... binding of the polyadenylated rpsO RNA. We have shown that the presence of the remainder of the acidic tail results in the thermodynamic stabilization of Hfq by 1.8 kcalÆm...
Ngày tải lên : 19/02/2014, 12:20
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Tài liệu Báo cáo khoa học: "The grapho-phonological system of written French: Statistical analysis and empirical validation" pdf

Tài liệu Báo cáo khoa học: "The grapho-phonological system of written French: Statistical analysis and empirical validation" pdf

... implications of those findings for current models of phonological coding in visual word recognition. Introduction One central characteristic of alphabetic writing systems is the existence of a direct ... orthographic counterparts of phonemes, can consist either of single letters or of letter groups, as the previous examples illustrate. Psycholinguistic theories of visu...
Ngày tải lên : 20/02/2014, 19:20
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Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt

Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt

... profile Figure 1A shows the SDS/PAGE of purified ccNiR upon different treatments. The complex dissociates into an intense band of 61 kDa (NrfA) and a band of weak intensity of 19 kDa (NrfH), confirming ... involved. Purification attempt of a soluble form of ccNiR Nitrite reductase activity was checked in the soluble cell fraction in order to investigate the existence of a soluble mo...
Ngày tải lên : 21/02/2014, 00:20
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Tài liệu Báo cáo khoa học: "The Structure and Process of Talking About Doing" pdf

Tài liệu Báo cáo khoa học: "The Structure and Process of Talking About Doing" pdf

... problem solving from a record of the problem solving report and a record of moves made. Then, we use this extracted trace to evaluate our model of the role of point of view in problem solving. ... study of problem solving action and report: I) the collected of data on problem solving and talk about problem solving, 2) development of a process model of these behaviors,...
Ngày tải lên : 21/02/2014, 20:20
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Báo cáo khoa học: The N-terminal region of the bacterial DNA polymerase PolC features a pair of domains, both distantly related to domain V of the DNA polymerase III s subunit ppt

Báo cáo khoa học: The N-terminal region of the bacterial DNA polymerase PolC features a pair of domains, both distantly related to domain V of the DNA polymerase III s subunit ppt

... [12,16]. The very N-ter- minal region of PolC and the C-terminal domain of DnaE appear to be specific for each type of polymer- ase. The small a ⁄ b C-terminal domain of DnaE has been shown to be responsible ... first half of the PolC N-terminal region ( 1–100) also detected the PolIIIs-V domain, albeit weakly (hhsearch probability of 16%). The structures of PolIIIs-V and DnaA-I...
Ngày tải lên : 05/03/2014, 23:20
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