Báo cáo khoa học: "Automatic of Proper Processing Names in Texts" pptx

... segmenting and categorising proper names. During the whole processing of a dispatch, the proper name module is involved in three different steps. First, it segments proper names during the ... words used in proper names do not belong to the French vocabulary (e.g. family names, names of locations, foreign words). In addition, the number of words used in constructing proper names is ... potential proper names. We have therefore to deal with unknown proper names. 5.1 Prototypes of proper names As fully explained in [2], some proper names are con- structed according to prototypes...

Tài liệu Báo cáo khoa học: "REQUIREMENTS OF TEXT PROCESSING LEXICONS " ppt

... ibility of using a parser to analyze the definitions of a word and thereby to create a net which will be capable of discriminating among all definitions of a word. The following requirements ... representation of an entry in the lex- icon to be used in natural language processing systems. I describe herein what I have learned from this type of effort. I began with the objective of identifying ... for building discrimination nets from the results of parsing the definitions and for adding to these nets how the parser should be driven. The emphasis of this paper is in describing procedures...

Tài liệu Báo cáo khoa học: Roles of heat shock factors in gametogenesis and development pptx

... section and scheme of the coronal section at E14.5 in (F). (A) At E11.5, HSF2 is expressed in forebrain, midbrain and in hindbrain except for the midbrain, hindbrain midline. Surprisingly, the HSF2 ... identiﬁed in famil-ial cases of cataracts. Interestingly, mutations in theDNA-binding domain seem to be associated with dom-inant cataracts, whereas mutations within (or down-stream of) the ... which possibly exist in protein aggregatesbecause they contain aB-crystallin. More than 90% of the lens protein is composed of a variety of crystallins;Role of the HSF family in development R....

Tài liệu Báo cáo khoa học: Destabilization of psychrotrophic RNase HI in a localized fashion as revealed by mutational and X-ray crystallographic analyses pdf

... because of the intrinsic ﬂexibility of theloop containing His124 and the crystal packing effect.Destabilization mechanism of So-RNase HIA combination of the six thermostabilizing mutationsincreases ... structure of the 6·-RNase HI protein was deter-mined at 2.5 A˚resolution. The main chain fold and interactions of theside-chains of the 6·-RNase HI protein were basically identical to those of the ... byincreasing the number of amino acid residues unfa-vourable for protein stability in a localized fashion, in which these residues independently contribute to thedestabilization of the protein.Experimental...

Tài liệu Báo cáo khoa học: Role of K22 and R120 in the covalent binding of the antibiotic fosfomycin and the substrate-induced conformational change in UDP-N-acetylglucosamine enol pyruvyl transferase docx

... notinteract with R124 in the ternary complex [20]. Hence, themechanism of binding of fosfomycin by reinforcement of aninitial binding site (mainly K22 and R397) through recruit-ment of secondary ... charged amino acid sidechains, R397 and R120, are also involved in fosfomycinbinding, and in view of the multitude of interactions, it wasassumed that deletion of a single interaction would not ... chain of K22 participates in fosfomycin binding, thus providing a rationale for the loss of fosfomycin binding to the K22V and K22E mutant proteins.However, two other positively charged amino...

Tài liệu Báo cáo khoa học: "Order of Subject and Predicate in Scientific Russia" pptx

... correspondence. IN HIS "A Preliminary Study of Russian",1 Kenneth E. Harper states that a "word-for-word translation of Russian is adequate for under- standing," since " ;in the ... separated in the analysis. Out of a total of 2914 clauses thus analyzed, the word order was as follows: Subject — Predicate in 1915 instances, or 65.71% of the total; Predicate — Subject in ... in 342 instances, or 11.74% of the total. † This study was conducted at the University of Michigan with research funds provided by the Engineering Research Institute. 1. Machine Translation...

Tài liệu Báo cáo khoa học: Characterization of electrogenic bromosulfophthalein transport in carnation petal microsomes and its inhibition by antibodies against bilitranslocase docx

... anthocyanin sequestration, is a ﬂavonoid-binding protein. Plant Physiol 123, 1561–1570.24 Grotewold E (2004) The challenges of moving chemicalswithin and out of cells: insights into the transport of plant ... The occurrence of this effect was alsoinvestigated in carnation petal microsomes by preincu-bating them with antibody A in the presence of increasing concentrations of bilirubin. BSP uptake ... A of the table; Ki of cyanidin 3-glucoside, section B), or described in detail in both the experimental procedures(Ki of cyanidin, bilirubin, biliverdin, section B) and in Table 2 (Kdof...

Tài liệu Báo cáo khoa học: Expression of two [Fe]-hydrogenases in Chlamydomonas reinhardtii under anaerobic conditions doc

... greenalgae [3,4], including Chlamydomonas reinhardtii.Thisparticular alga is capable of evolving H2gas in the dark[5,6] or in the light, using H2O [7] or starch [8,9] as the source of reductant. ... are also present in the C. reinhardtii HydA2amino-acid sequence [33–35], including the well-conservedC-terminal part (C-domain) that binds the catalyticH-cluster. As seen in other algal [Fe]-hydrogenases, ... consists of eight exons and nineintrons (average intron size, 150 bp). The structuralarrangement of HydA2 is thus more complex than HydA1,which contains only seven introns [16]. Interestingly,...

Tài liệu Báo cáo khoa học: Role of cleavage and shedding in human thyrotropin receptor function and trafﬁcking pdf

... periods of times (0–60 min)at 37 °C. The concentration of the biotinylated Ig remainingon the cell surface was then quantiﬁed by measuring thebinding of [125I]Streptavidin. In the absence of ... Theywere then incubated with 0.25 mL of incubation mediumcontaining 2 lgÆmL)1 of biotinylated R5T-34 monoclonalIg [30] at 4 °C for 30 min. In some cases, monensin 40 lMwas added to the incubation ... measuring thebinding of [125I]Streptavidin [30]. No Ig binding wasobserved in cells transfected with the vector alone (Fig. 4B). As shown in Fig. 4B, quantiﬁcation of cell surfaceexpression of...

Tài liệu Báo cáo khoa học: Reconstitution of coupled fumarate respiration in liposomes by incorporating the electron transport enzymes isolated from Wolinella succinogenes docx

... buffer(0.15Mglycine, pH 9.5, 37 °C). The unit of activity (U)corresponds to the transfer of 2 lmol electronsÆmin)1.Protein was determined using the Biuret method withKCN [23].Determination of DwThe ... ratio of DMN reduction by formate wasmeasured in the same way as in the experiment shown in Fig. 4A (Table 2). Proteoliposomes containing formatedehydrogenase instead of hydrogenase in buffer ... low [19]. In this paper, weaddress the following questions: (a) can coupled fumaraterespiration be restored by incorporating the isolatedenzymes into liposomes containing menaquinone; (b)...

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