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Báo cáo khoa học: Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation ppt

Báo cáo khoa học: Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation ppt

Báo cáo khoa học: Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation ppt

... of the conjugate formed from ThDP and benzoyl-formate.Scheme 1. Covalent intermediates derived from thiamin diphosphate in the decarboxylation of pyruvate. Catalyzing separation of carbon dioxide ... FEBSREVIEW ARTICLE Catalyzing separation of carbon dioxide in thiamin diphosphate-promoted decarboxylation Ronald Kluger and Steven RathgeberDavenport Chemical Laboratories, Department of Chemistry, ... transfer.Scheme 4. The complex of protonated pyridine and MTh accelerates departure of carbon dioxide, trapping the carbanionic product as itforms. Catalyzing separation of carbon dioxide R. Kluger and...
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Báo cáo khoa học: "The Role of Information Retrieval in Answering Complex Questions" ppt

... role of informa-tion retrieval in answering “relationship”questions, a new class complex informa-tion needs formally introduced in TREC2005. Since information retrieval is of- ten an integral ... Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions, pages 523–530,Sydney, July 2006.c2006 Association for Computational LinguisticsThe Role of Information Retrieval in Answering ... processing capabilities, fac-toid question answering systems are able to pin-point the exact span of text that directly satisfiesan information need.Nevertheless, IR engines remain integral...
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Báo cáo khoa học: "Automatic Evaluation of Linguistic Quality in Multi-Document Summarization" pptx

... aspect of linguistic quality separately.3 Indicators of linguistic qualityMultiple factors in uence the linguistic quality of text in general, including: word choice, the ref-erence form of entities, ... Manning. 2005. In- corporating non-local information into informationextraction systems by gibbs sampling. In Proceed-ings of ACL, pages 363–370.K. Fraurud. 1990. Definiteness and the processing ... in the input. Sincethe previous sentence in the input text often con-tains the antecedent of pronouns in the currentsentence, if the previous sentence from the inputis also included in the...
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Báo cáo khoa học: "Modeling Norms of Turn-Taking in Multi-Party Conversation" ppt

... for a snippet of meeting Bmr024 are shown in Figure 1, in the interval beginning 5 minutesinto the meeting and ending 20 minutes later. (Themeeting is actually just over 50 minutes long butonly ... Conversation-Independent ModelingThe training of conversation-independent models,given a corpus of K-heterogeneous meetings, isachieved by iterating over all meetings and testingeach using models trained ... continuous blackline, is that obtained when the meeting is split intotwo equal-duration halves, one consisting of all in- stants prior to the midpoint and the other of allinstants following...
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Báo cáo khoa học: "Empirical Measurements of Lexical Similarity in Noun Phrase Conjuncts" ppt

... measurewhich were the head nouns being conjoined in cer-tain types of coordinate noun phrase. In this paper we look at different measures of word similarity in order to discover whether they ... Hogan∗Department of Computer ScienceTrinity College DublinDublin 2, Irelanddhogan@computing.dcu.ieAbstractThe ability to detect similarity in conjunctheads is potentially a useful tool in help-ing ... head words of two conjuncts in coordinate noun phrases (againnot including coordinate NPBs). We found 601 suchcoordinate noun pairs. The second data set consists of 601 word pairs which were...
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Báo cáo khoa học: "The State of the Art in Thai Language Processing" ppt

... languageprocessing relies on manually created dictionar-ies, which have inconsistencies in defining wordunits and limitation in the quantity. [1] proposeda word extraction algorithm employing C4.5with ... some string features such as entropy andmutual information. They reported a result of 85% in precision and 50% in recall measures.For word segmentation, the longest matching,maximal matching and ... of tech-nology and research progress in the Thailanguage processing. It resumes the charac-teristics of the Thai language and the ap-proaches to overcome the difficulties in eachprocessing...
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Báo cáo khoa học: "The role of positive feedback in Intelligent Tutoring Systems" ppt

... in one-on-one tutoring, its computational model-ing, and its application to the design of moreeffective Intelligent Tutoring Systems. A datacollection of tutoring sessions in the domain of basic Computer ... 1990), such speedindicates a quick skimming of the text, whereasreading for learning typically has a lower speed, in the order of 200 words/minute.5 Future workThe main goal of this research ... feed-back in ITSs in the literature. However, there isan increasing amount of evidence that suggests thatpositive feedback may be very important in enhanc-ing students’ learning. In a detailed...
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Tài liệu Báo cáo khoa học: A role of miR-27 in the regulation of adipogenesis ppt

Tài liệu Báo cáo khoa học: A role of miR-27 in the regulation of adipogenesis ppt

... notrepress the level of PPARc protein in committed prea-dipocytes under physiologically relevant conditions.Expression of miR-27 is elevated in obese mice In order to gain insights into the potential ... Wefurther investigated the kinetics of miR-27 expressionduring adipogenesis using quantitative real-time PCR.As shown in Fig. 1C,D, expression of both miR-27aand miR-27b decreased by ‡ 50% within ... suggesting that downregulation of miR-27 is not sufficient to promote adipogenesis.We performed a time course study to gain furtherinsights into the role of miR-27 during different stages of adipogenesis...
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Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf

Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf

... interact with a number of functionalgroups, including the aromatic side chains of someamino acids, through a stacking mechanism [42]. Theinteraction of arginine with aromatic amino acids of aB-crystallin ... of insulin.ACBFig. 2. aB-crystallin protects against theDTT-induced aggregation of insulin, and thisactivity is enhanced by Arg-HCl. Insulin(, 0.25 mgÆmL)1) was incubated at 37 °C in ... overallactivity of chaperone proteins. Of the target proteinstested, Arg-HCl was found to specifically increase theactivity of aB-crystallin against DTT-induced precipi-tation of insulin at intermediate...
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Tài liệu Báo cáo khoa học: The role of electrostatic interactions in the antitumor activity of dimeric RNases docx

Tài liệu Báo cáo khoa học: The role of electrostatic interactions in the antitumor activity of dimeric RNases docx

... strong, neutralizing action of the cytosolic RNaseinhibitor (cRI), a 50-kDa protein containing 16 leu-cine-rich repeat motifs [7,8]. In fact, onconase fromRana pipiens eggs [9], and seminal RNase ... of EIE were recorded at 30° inter-vals of r from 0 to 360°;(d) the inclination of the dimer major axis with respect tothe z axis, hence to the membrane plane, was changed (byinclination of ... produced a modestintermixing. RNase-AA-IG instead, which induced alow, but significant degree of membrane aggregation,did not show any effects on vesicle intermixing. Noeffects of membrane fusion...
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