799 resultados para Skepticism toward advertising


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Includes bibliography

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Includes bibliography

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This edition of the FAL Bulletin presents a summary of the major outcomes of the workshop, “Toward an integrated transport policy: institutions, infrastructure and logistics”, which was organized by the ECLAC Infrastructure Services Unit, in late 2009. The objective of the event was to analyse the various government bodies involved in the transport sector, Chile’s experience in formulating transport policy and the challenge that formulating and executing integrated policies entails.

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This paper seeks to estimate the costs and impacts of expanding the coverage and improving the quality of cash transfers to older people and to families with younge children in the countries of Latin America.

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Fatores de transcrição desempenham importantes funções em vários processos fisiológicos. Nos últimos anos, muitos fatores de transcrição têm sido isolados de plantas, emergindo como poderosas ferramentas na manipulação de características agronômicas. No presente trabalho, iniciamos estudos para isolar fatores de transcrição de mandioca (Manihot esculenta Crantz), importante cultura tropical e subtropical. Nossos resultados revelaram três tipos de proteínas diferencialmente expressas na raiz de reserva de mandioca (Manihot esculenta Crantz):e imunologicamente relacionadas com o fator de transcrição opaco-2 de milho. Experimentos de Southwestern mostraram duas proteínas capazes de interagir in vitro com uma seqüência de DNA do gene be2S1 de castanha-do-brasil.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Faced with an imminent restructuring of the electric power system, over the past few years many countries have invested in a new paradigm known as Smart Grid. This paradigm targets optimization and automation of electric power network, using advanced information and communication technologies. Among the main communication protocols for Smart Grids we have the DNP3 protocol, which provides secure data transmission with moderate rates. The IEEE 802.15.4 is another communication protocol also widely used in Smart Grid, especially in the so-called Home Area Network (HAN). Thus, many applications of Smart Grid depends on the interaction of these two protocols. This paper proposes modeling, in the traditional network simulator NS-2, the integration of DNP3 protocol and the IEEE 802.15.4 wireless standard for low cost simulations of Smart Grid applications.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The solubility of benzene in 15 imidazolium, pyrrolidinium, pyridinium, and piperidinium ionic liquids has been determined; the resulting, benzene-saturated ionic liquid solutions, also known as liquid clathrates, were examined with (1) H and (19) F nuclear magnetic resonance spectroscopy to try and understand the molecular interactions that control liquid clathrate formation. The results suggest that benzene interacts primarily with the cation of the ionic liquid, and that liquid clathrate formation (and benzene solubility) is controlled by the strength of the cation-anion interactions, that is, the stronger the cation-anion interaction, the lower the benzene solubility. Other factors that were determined to be important in the final amount of benzene in any given liquid clathrate phase included attractive interactions between the anion and benzene (when significant), and larger steric or free volume demands of the ions, both of which lead to greater benzene solubility.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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This action research study of my 8th grade classroom investigated the use of mathematical communication, through oral homework presentations and written journals entries, and its impact on conceptual understanding of mathematics. This change in expectation and its impact on students’ attitudes towards mathematics was also investigated. Challenging my students to communicate mathematics both orally and in writing deepened the students’ understanding of the mathematics. Levels of understanding deepened when a variety of instructional methods were presented and discussed where students could comprehend the ideas that best suited their learning styles. Increased understanding occurred through probing questions causing students to reflect on their learning and reevaluate their reasoning. This transpired when students were expected to write more than one draft to math journals. By making students aware of their understanding through communicating orally and in writing, students realized that true understanding did not come from mere homework completion, but from evaluating and assessing their own and other’s ideas and reasoning. I discovered that when students were challenged to communicate their reasoning both orally and in writing, students enjoyed math more and thought math was more fun. As a result of this research, I will continue to require students to communicate their thinking and reasoning both orally and in writing.