Tài liệu Báo cáo khoa học: "The Nature of Affixing in Written English" docx

... 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 ... accuracy. In so doing we have found it convenient to group the words of written English into a linear ordering according to the number of vowel strings contained in the w...

Ngày tải lên: 19/02/2014, 19:20

... have been examined. The admissible initial- and final-consonant strings of English words play a critical role in the application of all four of the definitions, because the notion of a man- datory ... two-vowel-string affixes. The com- bination of insensitivity to one-vowel-string affixes and low rate of production of affixes makes it probable that the mechanism involv...

Ngày tải lên: 07/03/2014, 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

... 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 02139 ... 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 ... represe...

Ngày tải lên: 21/02/2014, 20:20

... 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 following a ques...

Ngày tải lên: 22/02/2014, 02:20

... interact with a number of functional groups, including the aromatic side chains of some amino acids, through a stacking mechanism [42]. The interaction of arginine with aromatic amino acids of aB-crystallin ... of insulin. A C B Fig. 2. aB-crystallin protects against the DTT-induced aggregation of insulin, and this activity is enhanced by Arg-HCl. Insulin ( , 0.25 mgÆmL )1 ) was i...

Ngày tải lên: 18/02/2014, 16:20

... 5-methylcytosine was introduced into one of the strands of the recognition site instead of the target cytosine. The melting curves of the hemi- methylated X + CG ⁄ CGM and GCX + ⁄ CGM duplexes containing ... M.HhaI consists of two domains, the large domain containing the S-adenosyl-l-methionine (AdoMet) binding site and the catalytic center, and the small domain contain- ing the tar...

Ngày tải lên: 19/02/2014, 00:20

... proteins involved in the trafficking of the receptor, including c-Cbl, could account for its intracellular retention. By contrast, TDI mutations in the ECD or disruption of the termination codon induced ... Conversion of Lys650 into methionine in the TK2 domain induces hyperphosphorylation and marked intracellular retent- ion of the mutant receptor leading to phosphorylation of...

Ngày tải lên: 19/02/2014, 00:20