the role of language in the learning and teaching of science

Ngày tải lên: 14/08/2014, 16:21

... and indirectly influences the education of children because the teaching and learning of children is supervised by the older members of a society and conducted for the benefit of the society’s ... their education and economy. This involves the teaching of local languages, Setswana and English. By involving the local languages the program would not only reach the poor and marginalized communities ... (medium of instruction) reflects the interests of those elite. In countries in which one of the languages dominate, there is usually an issue about where to place other languages in the education...

Ngày tải lên: 05/11/2012, 16:27

... ). The renewed interest in examining the indications for BCG vaccination in the United States included consideration of the wide range of vaccine efficacies deter- mined by clinical trials and ... to explore the sources of the heterogeneity in the efficacy of the BCG vaccine reported in the individual studies. Using a model that included the geographic latitude of the study site and the data ... resurgence in the incidence of TB occurred in the United States and included increases in the number of TB cases among adults and children and outbreaks of multidrug-resistant TB (MDR-TB) involving...

Ngày tải lên: 15/02/2014, 13:20

... thrombin show that the A-chain closely follows the contour of the catalytic B-chain, hinging the two interacting six-stranded bar- rel-like domains of the B-chain [17]. A well-structured network of ... single band of ~ 36 kDa for all the thrombin forms. Effect of pH on thrombin amidase activity and binding of the inhibitor a-NAPAP to the thrombin active site The effects of pH (5.5–10) on the ... min (upper) and 180 min (remaining chromatograms). The HPLC chromatogram pertaining to WT thrombin after 180 min of treatment is reported in the middle of the figure, whereas the chromatogram of...

Ngày tải lên: 07/03/2014, 12:20

... 3459 terminus that is required for binding to the plasma membrane, thereby being involved in the formation of the corneum [47]. Additional amino-terminal residues of TGase 1 include the sequences ... attachment of the hexahistidine, the recombinant PpTGase protein appeared to be slightly larger. These results indicate that the cDNA obtained covered the entire coding region. Involvement of GTP in the ... study, suggesting that the purified PpTGase is responsible for the major cross-linking reaction in P. polycephalum.Further- more, the result of the Northern blotting indicates that a single species of transcript...

Ngày tải lên: 17/03/2014, 23:20

... A o and A t denote the intensity of protein bands of intact unhydro- lized protein at the beginning and at the fixed time of incu- bation) against the time of hydrolysis. Chaperone-like activity The chaperone-like ... in the case of the K137E mutant of HSP22 (Fig. 4B); however, in this case, the intensity of the band corresponding to the HSP22 dimer was more intense than in the case of the wild-type protein. Thus, ... intact protein at the beginning of tryp- sinolysis and at the fixed time of trypsinolysis) against the time of incubation (Fig. 8D). The apparent rate constants of trypsinolysis under these conditions...

Ngày tải lên: 23/03/2014, 07:20

... oligosaccharide against host glycosidases during infection or could be involved in modifying the net charge of the LPS molecule [15]. However, the rationale behind the incorporation of glycine into the core ... for the -CH 2 - protons of the glycine moiety in meningococcal LPS points to an exocyclic location for the glycine residue in N. meningitidis LPS. The genetic control of the elaboration of glycine ... location in the inner core oligosaccharide as appears to be the case for N. meningitidis. Depending on the strain of H. in uenzae glycine could be found at each of the heptose residues of the inner...

Ngày tải lên: 23/03/2014, 21:21

... and PsbJ is critical in providing proper docking sites, either directly or indirectly, by modifying the conformation of PSII on the lumenal side, making efficient binding of PsbQ and PsbP of the ... accumulating all three proteins of the OEC and traces of the D2 and CP43 core proteins as well (Fig. 1B). The presence of minor amounts of D2 in both DpsbE and DpsbF supports the suggestion that the ... hold true. In rapidly expanding young leaves in particular, some of the PSII core proteins and all of the OEC proteins can accumulate in thylakoids in the absence of any assembly of PSII, as...

Ngày tải lên: 30/03/2014, 13:20

... ideas write of the role of language in this concept of Spain in the same vein that Herder saw the link with language and national identity. They were writing of course at the 36 THE ‘CASTILIANISATION’ ... participation and empowerment. On the other hand, the traditionalists (and specifically the Carlists) reacting against the modernising and democratising aims of these groups also held no interest in the language ... husband, children and brother, for their interest in the project and their patience and help in achieving it. My three children Daniel, Kevin and Vanessa are living examples of the complexities of...

Ngày tải lên: 04/05/2014, 12:55

Ngày tải lên: 12/05/2014, 15:38

... irrespective of where or what they manage, perform four generic tasks. These include planning, organ- izing, leading and controlling. Planning involves defining goals and mapping out ways to reach them; ... high levels of informal training in health management (around 90%). These included mentoring, in- service training and non- certified programs. Bivariate analyses between the sectors and other categori- cal ... that they required further development and training. Conclusion: The findings confirm our supposition that there is a lack of management capacity within the public sector in South Africa and that...

Ngày tải lên: 18/06/2014, 17:20

... (containing 2000 TCID 50 of X31) to the nares, dispensing ~half of the inoculum per nare. This challenge results in a sublethal infection that is initially confined to the nasal epithelium and then ... against viral structures of low or no variability, and thereby pro- vided a constant level of long lasting resistance against IAV infection, independent of the glycoprotein makeup of circulating ... transudated further into the airway lumen or, in the case of IgA and IgM, became trans- ported through the epithelial cell layer by pIgR. 2) They may have been secreted by B cells located in the lamina propria...

Ngày tải lên: 18/06/2014, 18:20

... participated in the statistical analysis and the drafting of the manuscript. PE participated in the design of the study and the drafting of the manuscript. All authors read and approved the final manuscript. Competing ... Sweden. 3 Faculty of Health Sciences, Linkưping University, SE- 581 83 Linköping, Sweden. Authors’ contributions INO participated in the design of the study, the statistical analysis and the drafting of the ... pain killers, sleeping pills and diuretics and in the worst cases anticoagulants and insulin. In every respect these results show lack of systematic work in the prescription process. The use of...

Ngày tải lên: 20/06/2014, 15:20

... suffuse the industry and highlight the implicit and explicit roles of farmer associations in accessing and sharing information (and therefore likely role in BMP adoption and implementation going ... of the industry, 2) the inherent, constant process of change, and 3) the network relationships and connections that exist between different actors in the industry. These three themes combine ... representation of the survey data. The three overarching themes are as follows; 1. The diversity and complexity of the industry, 2. The constant process of change in farming practices, 3. The relationships...

Ngày tải lên: 21/06/2014, 04:20

Ngày tải lên: 22/06/2014, 13:20

Ngày tải lên: 07/08/2014, 07:21

Ngày tải lên: 07/08/2014, 18:20

Ngày tải lên: 08/08/2014, 18:21