the social structure of acquaintanceship networks

... classroom when their teacher treats them as an equal member of the classroom culture rather than segregating them by, for example, placing them in the back of the classroom with a paraprofessional ... needs to develop social networks among their typically developing peers and, in the end, contribute to the social isolation they endure. Purpose of the Study The role that the teacher plays ... Dissertation Presented to the FACULTY OF THE USC ROSSIER SCHOOL OF EDUCATION UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF EDUCATION ...

Ngày tải lên: 06/04/2013, 11:26

Ngày tải lên: 11/09/2013, 11:44

... nullius – as if they had no biological fathers. With no link between fathers and fetuses, no inheritance of harm could be attributed to the father’s use of drugs. The absence of fathers in debates ... detailed discussion of the rise of the concept of fetal rights and fetal protectionism can be found in Daniels, 1993.) After a brief discussion of the social construction of maternity and paternity, I analyse the ... the dominant paradigm of fertility and reproduction, a shift generated by the development of the ‘seductive egg’ theory. 119Between fathers and fetuses concentrated primarily on the eVects of...

Ngày tải lên: 01/11/2013, 08:20

... precisely these relatively inexpensive components of the network that can have long-term, positive impact on the reliability and profitability of the network. Bend Radius Protection The must-have of ... coverage areas, increasing the number of cell sites as well as the number of copper and fiber cables in the network. The constant change of reconfigurations and maintenance in the network is conducted ... connectivity for the physical layer, the Network Planning organization not only meets the requirements of its internal customer – Operations – but also contributes to the profitability of the company...

Ngày tải lên: 21/12/2013, 08:17

... com- bination of the two. The nature of these stacks is that the lower layers do their work in hardware or firmware (software that runs on specific hardware chips) while the higher layers work in software. The ... and 5). Using UDP equates to the functions of only the transport layer of the OSI model. The TCP/IP process layer, when used with TCP, provides the functions of the OSI model’s presentation and application ... an overview of the network process, which can then act as a framework for understanding the details of computer networking. Since the discussion of networking often includes talk of “extra layers”,...

Ngày tải lên: 24/01/2014, 09:20

... express ε AB R A43B in the form curl/π (2) + E (2) . 5. Strategy of the proof of the Asymptotics Theorem In this section we describe the main ideas in the proof of the Asymptotics Theorem. (1) Section ... given a detailed proof of the theorem by relying heav- ily on a result, which we have called the Asymptotics Theorem, concerning the geometric properties of the causal structure of appropriately ... I + 0 is the future domain of the origin on Σ 0 . Remark 9.3. The proof of Corollary 9.2 requires an extension argument. The estimates of the Asymptotics Theorem, which are uniform with respect to the...

Ngày tải lên: 16/02/2014, 05:20

... present for the last four residues at the C-terminus. The stereochemistry of the model has been assessed using the program procheck [23]. Ninety per cent of the residues fall in the most favoured regions ... Asp291 (2.2 A ˚ ) and the water molecule w1 (2.1 A ˚ ) (Fig. 3A). The DHAP binding site protrudes from the metal N-ter C-ter Fig. 2. Ribbon representation of the overall structure of hACMSD. The (a ⁄ b) 8 barrel ... building using the program o [42]. Approximately 7% of the randomly chosen reflections were excluded from refinement of the structure and used for the free R-factor calculation [43]. The pro- gram...

Ngày tải lên: 18/02/2014, 06:20

... biology because their func- tion is so closely tied to the large rRNAs of the ribosomes in all kingdoms of life. Following the determination of the complete crystal structures of both the large and ... in the context of transcription of the ribosomal RNA, in that the process probably begins as soon as the 5Â end of the nascent RNA protrudes from the polymerase complex. Chemical probing of 30S ... So the question was really whether the functional effects of these mutations were due to the architectural and sta- bilizing role of the proteins alone, i.e. that perturba- tion of protein structure...

Ngày tải lên: 19/02/2014, 17:20

... best IM:Type full time IM:Title the godfather Other the, in, that Other the, in, that Other the, in, that Table 3: Label sets and their respective query segment examples for the intent class Movie, Job ... goal of this work is to identify the semantic labels of IMs, i.e., the attribute names they implicitly refer to. We use A c to denote the set of IM semantic labels for the intent class c. Other Additionally, ... se- mantic understanding of noun phrase queries. As- suming that the intent class c ∈ C of a query is known, we cast the problem of extracting the se- mantic structure of the query into a joint...

Ngày tải lên: 20/02/2014, 04:20

... The difference between rmsd of monomeric and dimeric species is due to the indetermination of the reciprocal orientation of the two subunits. The average total penalty for the REM family of the ... was used to back calculate the NOESY cross-peaks from the calculated structure to assess the quality of the structure. The final family was made up of 30 structures with the lowest target function. ... NMR solution structure [26,27] as well as the crystal structure [28] of the reduced form were re ported. Also the b ackbone mobility of the monomeric state was investigated and compared with that of the...

Ngày tải lên: 21/02/2014, 03:20

... A ˚ resolution by the molecular replacement method. The schematic view of the overall structure is shown in Fig. 3A. Theenzymeexistsasadimeroftheabc heterotrimer. There is a noncrystallographic twofold axis ... twofold axis around the center of Fig. 3A. The structure of an abc heterotrimer unit is shown in Fig. 3B. The central region of the a subunit constitutes the (b/a) 8 barrel, the so-called TIM (triosephosphate isomerase) ... X-ray irradiation [59]. Therefore, we believe that the structure reported in this paper is also that of the glycerol dehydrataseặcob(II)alamin complex. The dihedral angle of the northern and southern least-squares...

Ngày tải lên: 21/02/2014, 03:20

... tertiary structure. For the two dimeric models of LPL (the closed and open forms, Fig. 1), the active dimeric form of LPL in particular was based on the cocrystallized structures of the complexes of ... on the crystal structures of the human, porcine, and horse PLs (Fig. 1). A frontal view illustrates the overall saddle shape of the dimeric structure and the key heparin-binding residues in the ... modeling of the dimeric structure of LPL. Two dimeric model structures of LPL were constructed using INSIGHT II version 2000 on a Silicon Graphics workstation. The model structure of the closed...

Ngày tải lên: 21/02/2014, 15:20

... secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the ... president of the National Academy of Sciences. The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... 20418 NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences,...

Ngày tải lên: 06/03/2014, 15:20

... First, the only structures of natural TPRs in the PDB (13 TPR-containing coordi- nate sets) consist of nonglobular, extended arrays of helices [9,10,13–21]. Second, the majority of these (11 structures) ... TPR1 and TPR2A of AB DC Fig. 2. Solubility of NlpI constructs and the structure of mature NlpI. (A) 10–20% gradient SDS ⁄ PAGE of NlpI expression products, showing the insolubility of the 3-TPR construct ... ê 2004 FEBS the full-length HOP, they act to facilitate the assembly of multichaperone regulatory complexes. The struc- tural independence of these TPR domains, and the presence of independent...

Ngày tải lên: 07/03/2014, 16:20

... another than to any other profile in the data set. The profiles of G can be summarized by a vector s whose dimensionality is that of the data, and each of whose elements contains the mean of ... significant finding of the proposed methodology. The scaling of the ‘Allah’ variable dominates all the other variables. To gain resolution for the others, ‘Allah’ was eliminated from the lexical ... supportive of the thematic structure of each group. Suras of group C are more abundant in the use of narratives and addressing Mohamed to provide evidence of his message to people. Suras of group...

Ngày tải lên: 08/03/2014, 04:22

... proportion of the members of the House of Commons were smokers. Macaulay has drawn for us the not very attractive picture of the smoking-room of the old House of Commons before the fire of 1834 ... antiquary, The Social History of Smoking 31 of the vertues thereof: of which the relation woulde require a volume by itselfe: the use of it by so manie of late, men and women of great calling ... says that the cigar has the form of a "cicada" of paper, and, on the whole, it is highly probable that the likeness of the roll of tobacco-leaf to the cylindrical body of the insect (cigarra)...

Ngày tải lên: 15/03/2014, 19:20

Ngày tải lên: 15/03/2014, 20:20

Ngày tải lên: 16/03/2014, 13:20

Ngày tải lên: 16/03/2014, 15:20

Ngày tải lên: 16/03/2014, 22:20