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Conjugated polymers suoh as polyaoetylene (CH)x polyphenylene (C6H4)x' poly thiophene (C4H2S)x' etc., which are insulators in their pristine state, can be brought to the metallic state after "doping" with ohemioal speoies whioh oan be either eleotron donors or I aoceptors. . This doping prooess involves a oharge transfer between the dopant moleoule and the polymer ohain whioh are then supposed to be spatially olose to each other. It follows that the meohanism of doping must be oonsidered as an aotual interoalation process, which will greatly affeot the struotural oharacteristios of the starting material, as well as its morphology, as has been observed during the 2 intercalation of graphite a...
Publisher Fact Sheet A bold critique of runaway spending & unchecked economic growth.
The global emergencies facing the inhabitants of our planet – climate change, biodiversity meltdown, ocean acidification, overfishing, land degradation and more – are symptoms of a common problem: the world is full. Humanity has already exceeded several planetary boundaries. The situation is without precedent and its manifestations are numerous. Ethics for a Full World argues that our dominant culture’s anthropocentrism – our human-focused thinking – is an underlying cause of the world’s problems, threatening life as we know it. The blights that endanger our planet are experienced by many today, particularly those who care about other species, as deeply personal tragedies. So why...
Politicians, economists, and Wall Street would have us believe that limitless economic expansion is the Holy Grail, and that there is no conflict between growing the economy and protecting the environment. Supply Shock debunks these widely accepted myths and demonstrates that we are in fact navigating the end of the era of economic growth, and that the only sustainable alternative is the development of a steady state economy. Starting with a refreshingly accessible, comprehensive critique of economic growth, the author engages readers in an enormous topic that affects everyone in every country. Publisher's Weekly favorably compared Czech to Carl Sagan for popularizing their difficult subject...
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This report provides member states with essential public health information. It provides a picture of the health status and health determinants in the European Region and identifies areas for public health action for the member states and the European public health community.