Báo cáo khoa học: "The effect of domain and text type on text prediction quality" pptx
... influence of text type and do- main differences on text prediction quality. By training and testing our text predic- tion algorithm on four different text types (Wikipedia, Twitter, transcriptions of ... transcriptions of con- versational speech and FAQ) with equal corpus sizes, we found that there is a clear effect of text type on text prediction qual...
Ngày tải lên: 17/03/2014, 22:20
... Effect of surface concen- tration on secondary and tertiary conformational changes of lysozyme adsorbed on silica nanoparticles. Biochim Biophys Acta 1784, 1694–1701. 29 Karlsson M, Martensson ... regulation of protein–protein interactions, cellular signal transduction and transcription of DNA [4–7]. Conformational transition, leading to peptide aggregation and the formati...
Ngày tải lên: 23/03/2014, 03:20
... (amorphous) aggregation systems Reduction-induced aggregation of a-lactalbumin Upon addition of 1,4-dithiothreitol (DTT), aggregation and precipitation of a-lactalbumin commenced after 25 min and reached ... Arg-HCl in the absence of the chaperone precluded analysis of the effect of this concentration on the protective ability of aB-crystallin. Reduction-induced aggregat...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khóa học: The effect of mutations surrounding and within the active site on the catalytic activity of ricin A chain pptx
... addition of 100 lLof2· Kirby buffer [25] and 80 lLofH 2 O, and rRNA was obtained by precipitation after two phenol– chloroform extractions. Four micrograms of rRNA were treatedwith20lL of acetic-aniline ... Electron density of RTA N122A in the vicinity of residue 122. The backbone and sidechains of the N122A substitution are shown as stereo images in thick ball and stick...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt
... attentional salience. One determiner of whether attentional or propositional effects are dominant is the type of information provided by the accented constituent. Because nonpronominals contribute ... focus of attention. Intonational theories would be similarly hard pressed, but on grounds of information quality and efficient use of limited resources. Given the serial...
Ngày tải lên: 20/02/2014, 22:20
Báo cáo khoa học: The effect of replacing the axial methionine ligand with a lysine residue in cytochrome c-550 from Paracoccus versutus assessed by X-ray crystallography and unfolding ppt
... ligand under alkaline conditions and in the presence of GdmHCl is different. Under alkaline conditions release of the axial ligand is postulated to arise from the deprotonation of an ionizable group ... amounts of guanidinium hydrochloride (GdmHCl) the protein unfolds resulting in the perturbation of a number of electronic absorption bands and the appearance in the spectrum o...
Ngày tải lên: 07/03/2014, 17:20
Báo cáo khoa học: The effect of heme on the conformational stability of micro-myoglobin doc
... native-like conformations. Conclusions The comparison of apo- and holo-lMb by MD simu- lations reveals a dramatic effect of the heme cofactor, which is seen to stabilize native Mb-like folded confor- mations ... providing details concerning intra- and intermolecular motions as a function of time. Although results of MD simulations do not always and easily translate to assessme...
Ngày tải lên: 16/03/2014, 06:20
Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx
... so degradation of rule base mainly results in word translation errors instead of syntactic errors. Thus, degradation of dictionary and rule base has similar effect on retrieval effectiveness. ... the aspect of lexical coverage. Why lack research on analyzing effect of translation quality of MT system on CLIR performance? The possible reason might be the problem...
Ngày tải lên: 17/03/2014, 04:20
Báo cáo khoa học: The effect of pH on the initial rate kinetics of the dimeric biliverdin-IXa reductase from the cyanobacterium Synechocystis PCC6803 pptx
... the NADPH concentration constant at nonsat- urating (10 lm) and saturating (1 mm) levels of NADPH and varying the biliverdin concentration in the range 0.5–10 lm. A concentration of 1 mm was used ... the effect of pH on the kinetic parameters of a two-substrate enzyme, one substrate is held at 10 · K m (91% saturat- ing) and the variation of initial rate with the concen- t...
Ngày tải lên: 23/03/2014, 05:22
Báo cáo khoa học: The effect of HAMP domains on class IIIb adenylyl cyclases from Mycobacterium tuberculosis pptx
... the ability of the HAMP domain region to regulate AC activity. The effect of the HAMP domain on the CHD of Rv1319c was much less pronounced, supporting the earlier notion of a distinct individuality of ... HAMP domain function in the context of mycobacterial class IIIb ACs. The isolated CHDs of all four isoforms were purified and had AC activity in vitro. Inclusion o...
Ngày tải lên: 23/03/2014, 12:20