systems with unusual structural features quaternary carbon atoms medium sized rings and bridged systems
Tài liệu Báo cáo Y học: Proteolysis of bovine b-lactoglobulin during thermal treatment in subdenaturing conditions highlights some structural features of the temperature-modified protein and yields fragments with low immunoreactivity pptx
... b-barrel structure (strands B, C and part of strand D), along with part of the distant I strand in the C-terminus region that includes Cys160 and connects to the leftovers of strand D via a disulfide ... fragments CP and 2, as well as fragments TP and 2, were further purified by RP-HPLC and SE-HPLC in the same conditions and with the same equipment used for analysis of the whole proteolyzate, and these ... fragments CP1/2 and TP1/2 within the primary structure of BLG Residues susceptible to chymotrypsin and trypsin hydrolysis are labeled with ÔcÕ and ÔtÕ superscripts, respectively Cysteines 66 and 160...
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Tài liệu Báo cáo khoa học: "Predicting the fluency of text with shallow structural features: case studies of machine translation and human-written text" doc
... four human and three machine translations In this setting we address four tasks with increasing difficulty: and artificially generated sentences with varying level of fluency are evaluated with impressive ... to pose problems to readers and to render text less readable (CollinsThompson and Callan, 2004; Schwarm and Ostendorf, 2005) But these discourse- and vocabularylevel features measure properties ... constrain our study to syntactic features alone, and not discuss discourse and language model features that have been extensively studied in prior work on coherence and readability In our work, instead...
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Structural and semantic features of english idioms referring to head and a contrastive analysis with vietnamese idioms
... in English and Vietnamese language in general and in idioms in particular 15 Chapter structural and semantic features of English and Vietnamese idioms referring to head 2.1 Structural features ... idioms referring to Head and a contrastive analysis with Vietnamese ones based on structural and semantic features We hope that this will be an interesting and useful teaching and learning material ... or added with any other element For example: with a high hand (in a haughty way) This idiom cannot be shortened in any circumstances, we also cannot say with a tall hand although high and tall...
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Báo cáo khoa học: "Coordinate Structure Analysis with Global Structural Constraints and Alignment-Based Local Features" pot
... manner, and incorporating alignment-based features into the CCG parser (Clark and Curran, 2007) is also a viable possibility some of the variables ( j and k in rules (i) and (iii), and j, k, and ... NP-COOD and VP-COOD Among coordinations annotated with COOD tags, we selected those surrounding and, ” “or,” and “but.” This yielded 3598 coordinations (2997, 355, and 246 for and, ” “or,” and “but,” ... between COORD and COORD is made to cope with three or more conjuncts in a coordination For example “a , b and c” is treated as a tree of the form (a , (b and c))), and the inner tree (b and c) is...
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Báo cáo y học: "Evaluation of Fractional Analysis of Bronchoalveolar Lavage Combined with Cellular Morphological Features"
... premedication with atropine and hydroxyzine, a bronchoscope was inserted under local anesthesia with lidocaine and wedged at orifice of the objective sub-segment of a lobe The first lavage was done with ... development and maintenance of allergic and inflammatory symptoms Mast cells and basophils also display a number of growth-factor receptors and chemokine receptors, besides some of which are shared with ... COP/BOOP (9.0%) and others (Table 3) Sarcoidosis and HP are the most distinguished group of diseases with lymphocyte-related http://www.medsci.org Int J Med Sci 2009, etiology and the diagnosis...
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Tài liệu IELTS Speaking Part Two Tasks with unusual or difficult topics ppt
... you have to is And say if you usually enjoy those days or not, and why Talk about a hobby you have: You should say: - How often you it - Who you it with - What equipment is needed And say why you ... And say if you think that job suits that person and why Talk about something to to help the environment You should mention: - What you - How often you it - Why you it And say how ... environment or not, and why Describe an animal that lives in the wild in your country You should say: -What it looks like -What its habits are -How it interacts with people And say if you think...
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Tài liệu Báo cáo khoa học: Crystal structure of an ascomycete fungal laccase from Thielavia arenaria – common structural features of asco-laccases ppt
... all three domains (Fig 2A), and had two hydrogen bonds with Ser180 and Asn555 The glycan on Asn202 was in the groove between the b-barrels of domains A and B (Fig 2B), and had six hydrogen bonds, ... 26.7% and Rfree = 34.9% When a twin operator was included, R-value and Rfree-value were decreased to 19.2% and 25.2%, respectively Refinement of the model and twin fraction were carried out with ... B-factors for atoms in molecules C and D Validation was performed with SFCHECK [63] from the CCP4 package, with 92.9% of all residues being in the most favourable region of the Ramachandran plot...
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Tài liệu Báo cáo khoa học: Structural features of proinsulin C-peptide oligomeric and amyloid states pptx
... B and A chains of insulin [1] and has an important structural role in the proper folding and disulfide bonding in insulin [2] After proinsulin cleavage, it is released to the blood together with ... performing structural studies In the present study, we therefore used SDS to structurally characterize the oligomerization process of C-peptide and analyzed the formation of oligomers and their ... presence of divalent Ca2+ and Mg2+ ions under native conditions (B), and of 100 lM C-peptide in the presence of insulin (C) and of 100 lM C-peptide in the presence of NaCl and formamide (D) under...
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Tài liệu Báo cáo khoa học: "Exploring Syntactic Structural Features for Sub-Tree Alignment using Bilingual Tree Kernels" docx
... structure features by means of Bilingual Tree Kernels and apply them to bilingual sub-tree alignment along with various lexical and plain structural features We use both gold standard tree bank and ... probabilities The plain syntactic structural features can deal with the structural divergence of bilingual parse trees in a more general perspective 4.1 Lexical and Word Alignment Features In this section, ... Besides BTKs, we introduce various plain lexical features and structural features which can be expressed as feature functions The lexical features with directions are defined as conditional feature...
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Tài liệu Báo cáo khoa học: "Improving Chinese Semantic Role Labeling with Rich Syntactic Features" ppt
... to select strong syntactic features Features New Word Features We introduce some new features which can be extracted without syntactic structure We denote them as word features They include: v ... category of ck ’s lift and right siblings, CFG rewrite rule that expands ck and ck ’s parent (from (Ding and Chang, 2008)) Our System 3.2 We implement a three-stage (i.e pruning, AI and SRC) SRL system ... A0 NP A majority of features used in our system are a combination of features described in (Xue, 2008; Ding and Chang, 2008) as well as the word formation and coarse frame features introduced...
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Báo cáo khoa học: Cholesterol oxidase: biochemistry and structural features ppt
... found between the third and fourth b-strands of a four-stranded b-pleated sheet (Fig 4B) Interaction between the phosphate oxygens and the protein involve main chain nitrogen atoms of residues in ... semiquinone forms similarly have characteristic spectra with maxima in the near-UV range at 372 (ShChOx) and 382 (BsChOx) nm, and 445 (ShChOx) and 485 (BsChOx) nm, which reflect the presence of the ... between the 2¢ and 3¢ hydroxyl groups of the nucleotide ribose moiety and the carboxylate group of the side chain These features are characteristic of many nucleotide-binding proteins and appear...
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Báo cáo khoa học: C-terminal, endoplasmic reticulum-lumenal domain of prosurfactant protein C – structural features and membrane interactions ppt
... envelope between 11 and 26 charges (m ⁄ z 4982–2108) was observed, and for hexamers and nonamers, complete envelopes between 20 and 35 charges (m ⁄ z 5480–3132) and between 28 and 37 charges (m ... the left indicate bands that are compatible with monomers (a), trimers (3a), hexamers (6a), and nonamers (9a), according to sedimentation velocity and equilibrium data (A, C) and MS data (Fig 2) ... juxtaposed Cys residues at positions 120 and 121 forms a disulfide with Cys148 and the other forms a disulfide with Cys189 The juxtaposition of Cys120 and Cys121 makes it difficult to cleave the...
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Báo cáo khoa học: "Text-level Discourse Parsing with Rich Linguistic Features" pdf
... connectives) in PDTB by using four classes of features — contextual features, constituent parse features, dependency parse features, and lexical features — and explored their individual influence on ... Full and NC (No Context) denote the performance of using all features listed in Section 5.3 and all features except for contextual features respectively As discussed in Section 5.3, contextual features ... comparing the performance obtained with them and without them as features The column HILDA lists the performance of using Hernault et al (2010b)’s original features, and Baseline denotes the performance...
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Báo cáo khoa học: "Unsupervised Event Coreference Resolution with Rich Linguistic Features" potx
... the lemmatized left and right words surrounding the mention (LHL , RHL), and the HL features corresponding to the left and right mentions (LHE , RHE) For instance, the lexical features extracted ... Workshop on Annotating and Reasoning about Time and Events, pages 1–8 James Allan, Jaime Carbonell, George Doddington, Jonathan Yamron, and Yiming Yang 1998 Topic Detection and Tracking Pilot Study: ... LHE:acquisition, and RHE:acquire Class Features (CF) These features aim to group mentions into several types of classes: the partof-speech of the HW feature (POS), the word class of the HW feature (HWC), and...
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Báo cáo khoa học: "Chinese Verb Sense Discrimination Using an EM Clustering Model with Rich Linguistic Features" pot
... relevance and probability in B Lewandowska-Tomaszczyk and M Thelen (eds.) Translation and Meaning, Part 4, School of Translation and Interpreting, Maastricht, The Netherlands Thomas Hofmann and Puzicha ... made only by syntactic alternations,13 features such as semantic features or combinations of semantic features and syntactic alternations are very beneficial and sometimes even necessary for learning ... is the size of the ith cluster, n j is the number of instances hand-tagged with the jth sense, and nij is the number of instances with the jth sense in the ith cluster, purity is defined in equation...
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Pricing of Convertible Bonds with Hard Call Features potx
... expressions, Eu and Du are, respectively, the values of the equity and the debt part after an up move (relative to node N), while Ed and Dd represent the equity and debt values after a down move, and p ... a convertible bond (with and without hard call feature) and the conversion value are drawn versus the share price Also, the pure bond value is displayed A convertible bond without a hard call ... bond with a hard call features: the hard call feature is unfavorable for the bondholder and therefore reduces the value of the convertible bond 10 delta bond with hard-call feature delta bond without...
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Báo cáo khoa học: Structural features in the C-terminal region of the Sinorhizobium meliloti RmInt1 group II intron-encoded protein contribute to its maturase and intron ppt
... green (P, L, I, V, M, F, W, Y and A); polar, purple (N, Q, S and T); and black (G and C) four putative a-helices, as in most group II IEPs [13], and a putative short b-strand in the C-tail The two ... into either double-stranded DNA or transiently singlestranded DNA target sites, and that priming may include random nonspecific opposite-strand nicks, a nascent leading strand or de novo initiation ... H388, K389, R391 and A392 in the predicted a-helix a4 and the neighboring A400 and P404 in the D motif being substituted by amino acid residues with very different structures and properties (Fig...
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Báo cáo khoa học: Structural features and dynamics of a cold-adapted alkaline phosphatase studied by EPR spectroscopy docx
... et al Table Activity and Tm values for WT Vibrio AP (WT) and variants with and without spin-label Kinetic parameters were determined in 0.1 M Caps, 1.0 mM MgCl2, pH 9.8, with p-nitrophenyl phosphate ... that S78R1 and S80R1 had relatively high mobility, with Ms equaling 0.62 and 0.65, respectively, whereas S53R1 and S373R1 were amongst the most immobile residues with Ms equaling 0.42 and 0.45, ... EPR spectra Mobile and immobile components are indicated with arrows (B) Change in activity (d) and C67R1 mobility ( ) with urea concentration The activity in the standard assay and EPR spectra...
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Báo cáo khóa học: Characterization of novel structural features in the lipopolysaccharide of nondisease associated nontypeable Haemophilus influenzae pptx
... In addition, minor ions corresponding to Hex3 glycoforms with one PCho were detected at m/z 650.1 and 681.1 and with no PCho at m/z 609.0 and 639.4 In the spectrum of LPS-OH from strain 16, one ... m/z 562, 604 and 643 with compositions described above, additions of 42 Da resulted in m/z 604, 646 and 685, respectively, indicating also diacetylation of HepIII and/ or 948 M K Landerholm et ... have obtained structural details for the first time for LPS from H influenzae isolates not associated with disease and show that they express structural motifs Ó FEBS 2004 952 M K Landerholm et...
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Báo cáo khoa học: Mercury(II) binding to metallothioneins Variables governing the formation and structural features of the mammalian Hg-MT species pptx
... bands with absorption maxima at 230 and 320 nm; (b) the next Hg(II) eq added to the three peptides gives rise to a negative broad band with absorption minima at 260 and 310 nm, together with ... well and suggest two different scenarios The former includes all the species formed up to Hg5-MT, Hg4-aMT and Hg4-bMT, and consists of a positive very intense band with a maximum at 220 nm and ... influence of standard variables (pH of the solution, reaction time, and binding Table Influence of the reaction time (t) and binding ability of the counter-ions (X) on the nature and structural features...
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