Tài liệu Báo cáo khoa học: "The Role of Initiative in Tutorial Dialogue" pdf

... Rules for Assigning Initiative about the effectiveness of Socratic tutoring in the BEE domain or Socratic tutoring in general. 3.2 Initiative Annotation Method The two definitions of initiative we ... an- notated using changes in initiative as a starting point; these changes were taken as marking either a segment endpoint or the beginning of a nested segment. tion followin...

Ngày tải lên: 22/02/2014, 02:20

... Quercetin did not inhibit ROS generation, and enhanced cytotoxicity of Topotecan in both cells. In contrast, NAC enhanced resistance against doxorubicine and vincristine in MRP1 overexpressing cells. ... perplexing diversity of lesions is continuously induced in our genes ranging from sin- gle and double strand breaks, to chemical alterations of nucleo- tides including adducts,...

Ngày tải lên: 19/02/2014, 07:20

... The Role Of Focussing in Interpretation of Pronouns Candace L. Sidner Artificial Intelligence Laboratory Massachusetts Institute of Technology Cambridge, MA ... authors all point out the need for inferencing as part of anaphora disambiguation, but each of their schemes for inferencing suffer from the need for control which will reduce the combinatorial ... represented...

Ngày tải lên: 21/02/2014, 20:20

... strong, neutralizing action of the cytosolic RNase inhibitor (cRI), a 50-kDa protein containing 16 leu- cine-rich repeat motifs [7,8]. In fact, onconase from Rana 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 to the z axis, hence to the membrane plane, was changed (by incl...

Ngày tải lên: 19/02/2014, 06:20

... that the N-terminal domain is involved in protein–protein interactions with other hydrophilic domains of neighboring integral membrane subunits, and interspecies interactions are incompatible. From ... the bovine complex a large subdomain is made up of  20 integral membrane proteins contributing > 60 transmem- brane segments. Some of these must be intimately involved in proton p...

Ngày tải lên: 19/02/2014, 16:20

... evidence that N-glycans, in particular their terminal structures, are involved in regulating the GABA translocation of GAT1, but not in binding of GAT1 to GABA. Transport of GABA by GAT1 across ... that N-linked oligosaccharide side-chains are important for the GABA transport activity. 1-Deoxymannojirimycin inhibits the GABA-uptake of GAT1 In order to gain further insight into...

Ngày tải lên: 19/02/2014, 17:20

... (sea- urchin sperm protein, enterokinase and agrin) –module cleavage, association of fragments and membrane tar- geting of rat intestinal mucin Muc3. Biochem J 372, 263–270. 12 Maeda T, Inoue M, ... according to the intensity of M2-reactive species in the corresponding whole cell lysate. Molecular modeling of SEA domain of MUC1 The composer and biopolymer modules of the sybyl 6....

Ngày tải lên: 19/02/2014, 18:20

... proteins that evolved independently from hemocyanins [4]. Although hexamerins might be ubiquitous in insects [14,19–21], hemocyanin appears to be missing in eume- tabolous insects [22]. Here we investigate ... coordinated by three histidines in two distinct binding sites. Some hemocyanins assemble into large oligomers of up to 8 · 6 subunits [1]. The occurrence and properties of hem...

Ngày tải lên: 18/02/2014, 08:20

... gradual decrease of the number of nucleosomes per chain in the main peak, with a corresponding increase in the Fig. 5. UV absorbance profiles of sucrose gradients of an oligonu- cleosome sample of six to ... the size of the original samples after digestion of the linkers, was sug- gested by Dorigo et al. [14] to indicate incomplete crosslinking. However, incomplete but random...

Ngày tải lên: 18/02/2014, 18:20

... doubling rules in the inflection of English verbs C. The determination of word-breaking rules as used in end -of- the-line practices in type composition D. The determination of parts -of- speech ... leads to interest- ing results. In order to obtain a procedure for finding affixes, we will make use of one of the main results of reference 1. There we found that certain...

Ngày tải lên: 19/02/2014, 19:20