منابع مشابه
New biofuel questions
the principle of having such advice, which is to separate it from policy. " Politicians on the science committees of both houses of parliament back the belief that the independence of scientific advisers should be built in to ministerial codes of practice. The House of Lords science and technology committee said that ministers must recognise " independent scientific advisory committees, and als...
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A busca contínua por fontes alternativas de energia, imposta por interesses econômicos e ambientais, tem motivado investigações sobre alternativas limpas e eficientes para a produção de energia. As células a combustível são uma estratégia potencialmente eficaz para a conversão de energia. As biocélulas a combustível constituem uma subclasse das células a combustível, que possuem grande potencia...
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Although there are very few biomass-derived fuels which are competitive to fossil fuels, the scientific research community has never ceased to search for renewable biofuel alternatives. For use in the transportation sector, a practical biofuel must: • be produced economically and efficiently; • have a relatively high energy density, in both volume and weight, in order to achieve competitive mil...
متن کاملNucleoporins and Transcription: New Connections, New Questions
It seems to make perfect sense that RNA, which must be exported from the nucleus to be translated, would be produced near or in association with nuclear pores. Indeed, recent reports proposed that Saccharomyces cerevisiae genes located close to the nuclear pore complex (NPC) tend to be highly transcribed [1,2] and that, upon activation, some genes relocate from the nuclear interior to the nucle...
متن کاملPrimary Aldosteronism: New Answers, New Questions.
There have been 2, and possibly 3, major questions for primary aldosteronism (PA) answered at least in principle over the past 5 years. The first is that of somatic mutations underlying the majority of aldosterone producing adenomas. The second is the extension of our knowledge of the genetics of familial hypertension, and the third the role of renal intercalated cells in sodium homeostasis. Ne...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2010
ISSN: 0960-9822
DOI: 10.1016/j.cub.2010.02.024